diff --git a/www/command-line-options.html b/www/command-line-options.html
index eb917ee..a81a232 100644
--- a/www/command-line-options.html
+++ b/www/command-line-options.html
@@ -1,31 +1,35 @@
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<title>ImageMagick: Command-line Options</title>
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+ <meta name="application-name" content="ImageMagick"/>
+ <meta name="description" content="ImageMagick® is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves."/>
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+ <meta name="resource-type" content="document"/>
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+ <link rel="stylesheet" href="css/bootstrap.min.css"></link>
+ <link rel="stylesheet" href="css/magick.css"></link>
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@@ -55,12 +59,12 @@
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href="command-line-options.html#print">‑print</a> <span class="bull"> • </span> <a href="command-line-options.html#process">‑process</a> <span class="bull"> • </span> <a href="command-line-options.html#profile">‑profile</a> <span class="bull"> • </span> <a href="command-line-options.html#quality">‑quality</a> <span class="bull"> • </span> <a href="command-line-options.html#quantize">‑quantize</a> <span class="bull"> • </span> <a href="command-line-options.html#quiet">‑quiet</a> <span class="bull"> • </span> <a href="command-line-options.html#radial-blur">‑radial‑blur</a> <span class="bull"> • </span> <a href="command-line-options.html#raise">‑raise</a> <span class="bull"> • </span> <a href="command-line-options.html#random-threshold">‑random‑threshold</a> <span class="bull"> • </span> <a href="command-line-options.html#red-primary">‑red‑primary</a> <span class="bull"> • </span> <a href="command-line-options.html#regard-warnings">‑regard‑warnings</a> <span class="bull"> • </span> <a href="command-line-options.html#region">‑region</a> <span class="bull"> • </span> <a href="command-line-options.html#remap">‑remap</a> <span class="bull"> • </span> <a href="command-line-options.html#remote">‑remote</a> <span class="bull"> • </span> <a href="command-line-options.html#render">‑render</a> <span class="bull"> • </span> <a href="command-line-options.html#repage">‑repage</a> <span class="bull"> • </span> <a href="command-line-options.html#resample">‑resample</a> <span class="bull"> • </span> <a href="command-line-options.html#resize">‑resize</a> <span class="bull"> • </span> <a href="command-line-options.html#respect-parentheses">‑respect‑parentheses</a> <span class="bull"> • </span> <a href="command-line-options.html#reverse">‑reverse</a> <span class="bull"> • </span> <a href="command-line-options.html#roll">‑roll</a> <span class="bull"> • </span> <a href="command-line-options.html#rotate">‑rotate</a> <span class="bull"> • </span> <a href="command-line-options.html#sample">‑sample</a> <span class="bull"> • </span> <a href="command-line-options.html#sampling-factor">‑sampling‑factor</a> <span class="bull"> • </span> <a href="command-line-options.html#scale">‑scale</a> <span class="bull"> • </span> <a href="command-line-options.html#scene">‑scene</a> <span class="bull"> • </span> <a href="command-line-options.html#screen">‑screen</a> <span class="bull"> • </span> <a href="command-line-options.html#seed">‑seed</a> <span class="bull"> • </span> <a href="command-line-options.html#segment">‑segment</a> <span class="bull"> • </span> <a href="command-line-options.html#selective-blur">‑selective‑blur</a> <span class="bull"> • </span> <a href="command-line-options.html#separate">‑separate</a> <span class="bull"> • </span> <a href="command-line-options.html#sepia-tone">‑sepia‑tone</a> <span class="bull"> • </span> <a href="command-line-options.html#set">‑set</a> <span class="bull"> • </span> <a href="command-line-options.html#shade">‑shade</a> <span class="bull"> • </span> <a href="command-line-options.html#shadow">‑shadow</a> <span class="bull"> • </span> <a href="command-line-options.html#shared-memory">‑shared‑memory</a> <span class="bull"> • </span> <a href="command-line-options.html#sharpen">‑sharpen</a> <span class="bull"> • </span> <a href="command-line-options.html#shave">‑shave</a> <span class="bull"> • </span> <a href="command-line-options.html#shear">‑shear</a> <span class="bull"> • </span> <a href="command-line-options.html#sigmoidal-contrast">‑sigmoidal‑contrast</a> <span class="bull"> • </span> <a href="command-line-options.html#silent">‑silent</a> <span class="bull"> • </span> <a href="command-line-options.html#similarity-threshold">‑similarity‑threshold</a> <span class="bull"> • </span> <a href="command-line-options.html#size">‑size</a> <span class="bull"> • </span> <a href="command-line-options.html#sketch">‑sketch</a> <span class="bull"> • </span> <a href="command-line-options.html#smush">‑smush</a> <span class="bull"> • </span> <a href="command-line-options.html#snaps">‑snaps</a> <span class="bull"> • </span> <a href="command-line-options.html#solarize">‑solarize</a> <span class="bull"> • </span> <a href="command-line-options.html#sparse-color">‑sparse‑color</a> <span class="bull"> • </span> <a href="command-line-options.html#splice">‑splice</a> <span class="bull"> • </span> <a href="command-line-options.html#spread">‑spread</a> <span class="bull"> • </span> <a href="command-line-options.html#statistic">‑statistic</a> <span class="bull"> • </span> <a href="command-line-options.html#stegano">‑stegano</a> <span class="bull"> • </span> <a href="command-line-options.html#stereo">‑stereo</a> <span class="bull"> • </span> <a href="command-line-options.html#stretch">‑stretch</a> <span class="bull"> • </span> <a href="command-line-options.html#strip">‑strip</a> <span class="bull"> • </span> <a href="command-line-options.html#stroke">‑stroke</a> <span class="bull"> • </span> <a href="command-line-options.html#strokewidth">‑strokewidth</a> <span class="bull"> • </span> <a href="command-line-options.html#style">‑style</a> <span class="bull"> • </span> <a href="command-line-options.html#subimage-search">‑subimage‑search</a> <span class="bull"> • </span> <a href="command-line-options.html#swap">‑swap</a> <span class="bull"> • </span> <a href="command-line-options.html#swirl">‑swirl</a> <span class="bull"> • </span> <a href="command-line-options.html#synchronize">‑synchronize</a> <span class="bull"> • </span> <a href="command-line-options.html#taint">‑taint</a> <span class="bull"> • </span> <a href="command-line-options.html#text-font">‑text‑font</a> <span class="bull"> • </span> <a href="command-line-options.html#texture">‑texture</a> <span class="bull"> • </span> <a href="command-line-options.html#threshold">‑threshold</a> <span class="bull"> • </span> <a href="command-line-options.html#thumbnail">‑thumbnail</a> <span class="bull"> • </span> <a href="command-line-options.html#tile">‑tile</a> <span class="bull"> • </span> <a href="command-line-options.html#tile-offset">‑tile‑offset</a> <span class="bull"> • </span> <a href="command-line-options.html#tint">‑tint</a> <span class="bull"> • </span> <a href="command-line-options.html#title">‑title</a> <span class="bull"> • </span> <a href="command-line-options.html#transform">‑transform</a> <span class="bull"> • </span> <a href="command-line-options.html#transparent">‑transparent</a> <span class="bull"> • </span> <a href="command-line-options.html#transparent-color">‑transparent‑color</a> <span class="bull"> • </span> <a href="command-line-options.html#transpose">‑transpose</a> <span class="bull"> • </span> <a href="command-line-options.html#transverse">‑transverse</a> <span class="bull"> • </span> <a href="command-line-options.html#treedepth">‑treedepth</a> <span class="bull"> • </span> <a href="command-line-options.html#trim">‑trim</a> <span class="bull"> • </span> <a href="command-line-options.html#type">‑type</a> <span class="bull"> • </span> <a href="command-line-options.html#undercolor">‑undercolor</a> <span class="bull"> • </span> <a href="command-line-options.html#unique-colors">‑unique‑colors</a> <span class="bull"> • </span> <a href="command-line-options.html#units">‑units</a> <span class="bull"> • </span> <a href="command-line-options.html#unsharp">‑unsharp</a> <span class="bull"> • </span> <a href="command-line-options.html#update">‑update</a> <span class="bull"> • </span> <a href="command-line-options.html#verbose">‑verbose</a> <span class="bull"> • </span> <a href="command-line-options.html#version">‑version</a> <span class="bull"> • </span> <a href="command-line-options.html#view">‑view</a> <span class="bull"> • </span> <a href="command-line-options.html#vignette">‑vignette</a> <span class="bull"> • </span> <a href="command-line-options.html#virtual-pixel">‑virtual‑pixel</a> <span class="bull"> • </span> <a href="command-line-options.html#visual">‑visual</a> <span class="bull"> • </span> <a href="command-line-options.html#watermark">‑watermark</a> <span class="bull"> • </span> <a href="command-line-options.html#wave">‑wave</a> <span class="bull"> • </span> <a href="command-line-options.html#weight">‑weight</a> <span class="bull"> • </span> <a href="command-line-options.html#white-point">‑white‑point</a> <span class="bull"> • </span> <a href="command-line-options.html#white-threshold">‑white‑threshold</a> <span class="bull"> • </span> <a href="command-line-options.html#window">‑window</a> <span class="bull"> • </span> <a href="command-line-options.html#window-group">‑window‑group</a> <span class="bull"> • </span> <a href="command-line-options.html#write">‑write</a> </p>
+<p class="text-center"><a href="command-line-options.html#adaptive-blur">‑adaptive‑blur</a> <span class='bull'> • </span> <a href="command-line-options.html#adaptive-resize">‑adaptive‑resize</a> <span class='bull'> • </span> <a href="command-line-options.html#adaptive-sharpen">‑adaptive‑sharpen</a> <span class='bull'> • </span> <a href="command-line-options.html#adjoin">‑adjoin</a> <span class='bull'> • </span> <a href="command-line-options.html#affine">‑affine</a> <span class='bull'> • </span> <a href="command-line-options.html#alpha">‑alpha</a> <span class='bull'> • </span> <a href="command-line-options.html#annotate">‑annotate</a> <span class='bull'> • </span> <a href="command-line-options.html#antialias">‑antialias</a> <span class='bull'> • </span> <a href="command-line-options.html#append">‑append</a> <span class='bull'> • </span> <a href="command-line-options.html#attenuate">‑attenuate</a> <span class='bull'> • </span> <a href="command-line-options.html#authenticate">‑authenticate</a> <span class='bull'> • </span> <a href="command-line-options.html#auto-gamma">‑auto‑gamma</a> <span class='bull'> • </span> <a href="command-line-options.html#auto-level">‑auto‑level</a> <span class='bull'> • </span> <a href="command-line-options.html#auto-orient">‑auto‑orient</a> <span class='bull'> • </span> <a href="command-line-options.html#backdrop">‑backdrop</a> <span class='bull'> • </span> <a href="command-line-options.html#background">‑background</a> <span class='bull'> • </span> <a href="command-line-options.html#bench">‑bench</a> <span class='bull'> • </span> <a href="command-line-options.html#bias">‑bias</a> <span class='bull'> • </span> <a href="command-line-options.html#black-point-compensation">‑black‑point‑compensation</a> <span class='bull'> • </span> <a href="command-line-options.html#black-threshold">‑black‑threshold</a> <span class='bull'> • </span> <a href="command-line-options.html#blend">‑blend</a> <span class='bull'> • </span> <a href="command-line-options.html#blue-primary">‑blue‑primary</a> <span class='bull'> • </span> <a href="command-line-options.html#blue-shift">‑blue‑shift</a> <span class='bull'> • </span> <a href="command-line-options.html#blur">‑blur</a> <span class='bull'> • </span> <a href="command-line-options.html#border">‑border</a> <span class='bull'> • </span> <a href="command-line-options.html#bordercolor">‑bordercolor</a> <span class='bull'> • </span> <a href="command-line-options.html#borderwidth">‑borderwidth</a> <span class='bull'> • </span> <a href="command-line-options.html#brightness-contrast">‑brightness‑contrast</a> <span class='bull'> • </span> <a href="command-line-options.html#cache">‑cache</a> <span class='bull'> • </span> <a href="command-line-options.html#canny">‑canny</a> <span class='bull'> • </span> <a href="command-line-options.html#caption">‑caption</a> <span class='bull'> • </span> <a href="command-line-options.html#cdl">‑cdl</a> <span class='bull'> • </span> <a href="command-line-options.html#channel">‑channel</a> <span class='bull'> • </span> <a href="command-line-options.html#charcoal">‑charcoal</a> <span class='bull'> • </span> <a href="command-line-options.html#chop">‑chop</a> <span class='bull'> • </span> <a href="command-line-options.html#clamp">‑clamp</a> <span class='bull'> • </span> <a href="command-line-options.html#clip">‑clip</a> <span class='bull'> • </span> <a href="command-line-options.html#clip-mask">‑clip‑mask</a> <span class='bull'> • </span> <a href="command-line-options.html#clip-path">‑clip‑path</a> <span class='bull'> • </span> <a href="command-line-options.html#clone">‑clone</a> <span class='bull'> • </span> <a href="command-line-options.html#clut">‑clut</a> <span class='bull'> • </span> <a href="command-line-options.html#coalesce">‑coalesce</a> <span class='bull'> • </span> <a href="command-line-options.html#colorize">‑colorize</a> <span class='bull'> • </span> <a href="command-line-options.html#colormap">‑colormap</a> <span class='bull'> • </span> <a href="command-line-options.html#color-matrix">‑color‑matrix</a> <span class='bull'> • </span> <a href="command-line-options.html#colors">‑colors</a> <span class='bull'> • </span> <a href="command-line-options.html#colorspace">‑colorspace</a> <span class='bull'> • </span> <a href="command-line-options.html#combine">‑combine</a> <span class='bull'> • </span> <a href="command-line-options.html#comment">‑comment</a> <span class='bull'> • </span> <a href="command-line-options.html#compare">‑compare</a> <span class='bull'> • </span> <a href="command-line-options.html#complex">‑complex</a> <span class='bull'> • </span> <a href="command-line-options.html#compose">‑compose</a> <span class='bull'> • </span> <a href="command-line-options.html#composite">‑composite</a> <span class='bull'> • </span> <a href="command-line-options.html#compress">‑compress</a> <span class='bull'> • </span> <a href="command-line-options.html#connected-components">‑connected‑components</a> <span class='bull'> • </span> <a href="command-line-options.html#contrast">‑contrast</a> <span class='bull'> • </span> <a href="command-line-options.html#contrast-stretch">‑contrast‑stretch</a> <span class='bull'> • </span> <a href="command-line-options.html#convolve">‑convolve</a> <span class='bull'> • </span> <a href="command-line-options.html#crop">‑crop</a> <span class='bull'> • </span> <a href="command-line-options.html#cycle">‑cycle</a> <span class='bull'> • </span> <a href="command-line-options.html#debug">‑debug</a> <span class='bull'> • </span> <a href="command-line-options.html#decipher">‑decipher</a> <span class='bull'> • </span> <a href="command-line-options.html#deconstruct">‑deconstruct</a> <span class='bull'> • </span> <a href="command-line-options.html#define">‑define</a> <span class='bull'> • </span> <a href="command-line-options.html#delay">‑delay</a> <span class='bull'> • </span> <a href="command-line-options.html#delete">‑delete</a> <span class='bull'> • </span> <a href="command-line-options.html#density">‑density</a> <span class='bull'> • </span> <a href="command-line-options.html#depth">‑depth</a> <span class='bull'> • </span> <a href="command-line-options.html#descend">‑descend</a> <span class='bull'> • </span> <a href="command-line-options.html#deskew">‑deskew</a> <span class='bull'> • </span> <a href="command-line-options.html#despeckle">‑despeckle</a> <span class='bull'> • </span> <a href="command-line-options.html#direction">‑direction</a> <span class='bull'> • </span> <a href="command-line-options.html#displace">‑displace</a> <span class='bull'> • </span> <a href="command-line-options.html#display">‑display</a> <span class='bull'> • </span> <a href="command-line-options.html#dispose">‑dispose</a> <span class='bull'> • </span> <a href="command-line-options.html#dissimilarity-threshold">‑dissimilarity‑threshold</a> <span class='bull'> • </span> <a href="command-line-options.html#dissolve">‑dissolve</a> <span class='bull'> • </span> <a href="command-line-options.html#distort">‑distort</a> <span class='bull'> • </span> <a href="command-line-options.html#distribute-cache">‑distribute‑cache</a> <span class='bull'> • </span> <a href="command-line-options.html#dither">‑dither</a> <span class='bull'> • </span> <a href="command-line-options.html#draw">‑draw</a> <span class='bull'> • </span> <a href="command-line-options.html#duplicate">‑duplicate</a> <span class='bull'> • </span> <a href="command-line-options.html#edge">‑edge</a> <span class='bull'> • </span> <a href="command-line-options.html#emboss">‑emboss</a> <span class='bull'> • </span> <a href="command-line-options.html#encipher">‑encipher</a> <span class='bull'> • </span> <a href="command-line-options.html#encoding">‑encoding</a> <span class='bull'> • </span> <a href="command-line-options.html#endian">‑endian</a> <span class='bull'> • </span> <a href="command-line-options.html#enhance">‑enhance</a> <span class='bull'> • </span> <a href="command-line-options.html#equalize">‑equalize</a> <span class='bull'> • </span> <a href="command-line-options.html#evaluate">‑evaluate</a> <span class='bull'> • </span> <a href="command-line-options.html#evaluate-sequence">‑evaluate‑sequence</a> <span class='bull'> • </span> <a href="command-line-options.html#extent">‑extent</a> <span class='bull'> • </span> <a href="command-line-options.html#extract">‑extract</a> <span class='bull'> • </span> <a href="command-line-options.html#family">‑family</a> <span class='bull'> • </span> <a href="command-line-options.html#features">‑features</a> <span class='bull'> • </span> <a href="command-line-options.html#fft">‑fft</a> <span class='bull'> • </span> <a href="command-line-options.html#fill">‑fill</a> <span class='bull'> • </span> <a href="command-line-options.html#filter">‑filter</a> <span class='bull'> • </span> <a href="command-line-options.html#flatten">‑flatten</a> <span class='bull'> • </span> <a href="command-line-options.html#flip">‑flip</a> <span class='bull'> • </span> <a href="command-line-options.html#floodfill">‑floodfill</a> <span class='bull'> • </span> <a href="command-line-options.html#flop">‑flop</a> <span class='bull'> • </span> <a href="command-line-options.html#font">‑font</a> <span class='bull'> • </span> <a href="command-line-options.html#foreground">‑foreground</a> <span class='bull'> • </span> <a href="command-line-options.html#format">‑format</a> <span class='bull'> • </span> <a href="command-line-options.html#format_identify_">‑format[identify]</a> <span class='bull'> • </span> <a href="command-line-options.html#frame">‑frame</a> <span class='bull'> • </span> <a href="command-line-options.html#frame_import_">‑frame[import]</a> <span class='bull'> • </span> <a href="command-line-options.html#function">‑function</a> <span class='bull'> • </span> <a href="command-line-options.html#fuzz">‑fuzz</a> <span class='bull'> • </span> <a href="command-line-options.html#fx">‑fx</a> <span class='bull'> • </span> <a href="command-line-options.html#gamma">‑gamma</a> <span class='bull'> • </span> <a href="command-line-options.html#gaussian-blur">‑gaussian‑blur</a> <span class='bull'> • </span> <a href="command-line-options.html#geometry">‑geometry</a> <span class='bull'> • </span> <a href="command-line-options.html#gravity">‑gravity</a> <span class='bull'> • </span> <a href="command-line-options.html#grayscale">‑grayscale</a> <span class='bull'> • </span> <a href="command-line-options.html#green-primary">‑green‑primary</a> <span class='bull'> • </span> <a href="command-line-options.html#hald-clut">‑hald‑clut</a> <span class='bull'> • </span> <a href="command-line-options.html#help">‑help</a> <span class='bull'> • </span> <a href="command-line-options.html#highlight-color">‑highlight‑color</a> <span class='bull'> • </span> <a href="command-line-options.html#hough-lines">‑hough‑lines</a> <span class='bull'> • </span> <a href="command-line-options.html#iconGeometry">‑iconGeometry</a> <span class='bull'> • </span> <a href="command-line-options.html#iconic">‑iconic</a> <span class='bull'> • </span> <a href="command-line-options.html#identify">‑identify</a> <span class='bull'> • </span> <a href="command-line-options.html#ift">‑ift</a> <span class='bull'> • </span> <a href="command-line-options.html#immutable">‑immutable</a> <span class='bull'> • </span> <a href="command-line-options.html#implode">‑implode</a> <span class='bull'> • </span> <a href="command-line-options.html#insert">‑insert</a> <span class='bull'> • </span> <a href="command-line-options.html#intensity">‑intensity</a> <span class='bull'> • </span> <a href="command-line-options.html#intent">‑intent</a> <span class='bull'> • </span> <a href="command-line-options.html#interlace">‑interlace</a> <span class='bull'> • </span> <a href="command-line-options.html#interpolate">‑interpolate</a> <span class='bull'> • </span> <a href="command-line-options.html#interline-spacing">‑interline‑spacing</a> <span class='bull'> • </span> <a href="command-line-options.html#interword-spacing">‑interword‑spacing</a> <span class='bull'> • </span> <a href="command-line-options.html#kerning">‑kerning</a> <span class='bull'> • </span> <a href="command-line-options.html#kuwahara">‑kuwahara</a> <span class='bull'> • </span> <a href="command-line-options.html#label">‑label</a> <span class='bull'> • </span> <a href="command-line-options.html#lat">‑lat</a> <span class='bull'> • </span> <a href="command-line-options.html#layers">‑layers</a> <span class='bull'> • </span> <a href="command-line-options.html#level">‑level</a> <span class='bull'> • </span> <a href="command-line-options.html#level-colors">‑level‑colors</a> <span class='bull'> • </span> <a href="command-line-options.html#limit">‑limit</a> <span class='bull'> • </span> <a href="command-line-options.html#linear-stretch">‑linear‑stretch</a> <span class='bull'> • </span> <a href="command-line-options.html#linewidth">‑linewidth</a> <span class='bull'> • </span> <a href="command-line-options.html#liquid-rescale">‑liquid‑rescale</a> <span class='bull'> • </span> <a href="command-line-options.html#list">‑list</a> <span class='bull'> • </span> <a href="command-line-options.html#log">‑log</a> <span class='bull'> • </span> <a href="command-line-options.html#loop">‑loop</a> <span class='bull'> • </span> <a href="command-line-options.html#lowlight-color">‑lowlight‑color</a> <span class='bull'> • </span> <a href="command-line-options.html#magnify">‑magnify</a> <span class='bull'> • </span> <a href="command-line-options.html#map">‑map</a> <span class='bull'> • </span> <a href="command-line-options.html#map_stream_">‑map[stream]</a> <span class='bull'> • </span> <a href="command-line-options.html#mask">‑mask</a> <span class='bull'> • </span> <a href="command-line-options.html#mattecolor">‑mattecolor</a> <span class='bull'> • </span> <a href="command-line-options.html#median">‑median</a> <span class='bull'> • </span> <a href="command-line-options.html#mean-shift">‑mean‑shift</a> <span class='bull'> • </span> <a href="command-line-options.html#metric">‑metric</a> <span class='bull'> • </span> <a href="command-line-options.html#mode">‑mode</a> <span class='bull'> • </span> <a href="command-line-options.html#modulate">‑modulate</a> <span class='bull'> • </span> <a href="command-line-options.html#moments">‑moments</a> <span class='bull'> • </span> <a href="command-line-options.html#monitor">‑monitor</a> <span class='bull'> • </span> <a href="command-line-options.html#monochrome">‑monochrome</a> <span class='bull'> • </span> <a href="command-line-options.html#morph">‑morph</a> <span class='bull'> • </span> <a href="command-line-options.html#morphology">‑morphology</a> <span class='bull'> • </span> <a href="command-line-options.html#mosaic">‑mosaic</a> <span class='bull'> • </span> <a href="command-line-options.html#motion-blur">‑motion‑blur</a> <span class='bull'> • </span> <a href="command-line-options.html#name">‑name</a> <span class='bull'> • </span> <a href="command-line-options.html#negate">‑negate</a> <span class='bull'> • </span> <a href="command-line-options.html#noise">‑noise</a> <span class='bull'> • </span> <a href="command-line-options.html#normalize">‑normalize</a> <span class='bull'> • </span> <a href="command-line-options.html#opaque">‑opaque</a> <span class='bull'> • </span> <a href="command-line-options.html#ordered-dither">‑ordered‑dither</a> <span class='bull'> • </span> <a href="command-line-options.html#orient">‑orient</a> <span class='bull'> • </span> <a href="command-line-options.html#page">‑page</a> <span class='bull'> • </span> <a href="command-line-options.html#paint">‑paint</a> <span class='bull'> • </span> <a href="command-line-options.html#path">‑path</a> <span class='bull'> • </span> <a href="command-line-options.html#pause_animate_">‑pause[animate]</a> <span class='bull'> • </span> <a href="command-line-options.html#pause_import_">‑pause[import]</a> <span class='bull'> • </span> <a href="command-line-options.html#perceptible">‑perceptible</a> <span class='bull'> • </span> <a href="command-line-options.html#ping">‑ping</a> <span class='bull'> • </span> <a href="command-line-options.html#pointsize">‑pointsize</a> <span class='bull'> • </span> <a href="command-line-options.html#polaroid">‑polaroid</a> <span class='bull'> • </span> <a href="command-line-options.html#poly">‑poly</a> <span class='bull'> • </span> <a href="command-line-options.html#posterize">‑posterize</a> <span class='bull'> • </span> <a href="command-line-options.html#precision">‑precision</a> <span class='bull'> • </span> <a href="command-line-options.html#preview">‑preview</a> <span class='bull'> • </span> <a href="command-line-options.html#print">‑print</a> <span class='bull'> • </span> <a href="command-line-options.html#process">‑process</a> <span class='bull'> • </span> <a href="command-line-options.html#profile">‑profile</a> <span class='bull'> • </span> <a href="command-line-options.html#quality">‑quality</a> <span class='bull'> • </span> <a href="command-line-options.html#quantize">‑quantize</a> <span class='bull'> • </span> <a href="command-line-options.html#quiet">‑quiet</a> <span class='bull'> • </span> <a href="command-line-options.html#radial-blur">‑radial‑blur</a> <span class='bull'> • </span> <a href="command-line-options.html#raise">‑raise</a> <span class='bull'> • </span> <a href="command-line-options.html#random-threshold">‑random‑threshold</a> <span class='bull'> • </span> <a href="command-line-options.html#red-primary">‑red‑primary</a> <span class='bull'> • </span> <a href="command-line-options.html#regard-warnings">‑regard‑warnings</a> <span class='bull'> • </span> <a href="command-line-options.html#region">‑region</a> <span class='bull'> • </span> <a href="command-line-options.html#remap">‑remap</a> <span class='bull'> • </span> <a href="command-line-options.html#remote">‑remote</a> <span class='bull'> • </span> <a href="command-line-options.html#render">‑render</a> <span class='bull'> • </span> <a href="command-line-options.html#repage">‑repage</a> <span class='bull'> • </span> <a href="command-line-options.html#resample">‑resample</a> <span class='bull'> • </span> <a href="command-line-options.html#resize">‑resize</a> <span class='bull'> • </span> <a href="command-line-options.html#respect-parentheses">‑respect‑parentheses</a> <span class='bull'> • </span> <a href="command-line-options.html#reverse">‑reverse</a> <span class='bull'> • </span> <a href="command-line-options.html#roll">‑roll</a> <span class='bull'> • </span> <a href="command-line-options.html#rotate">‑rotate</a> <span class='bull'> • </span> <a href="command-line-options.html#sample">‑sample</a> <span class='bull'> • </span> <a href="command-line-options.html#sampling-factor">‑sampling‑factor</a> <span class='bull'> • </span> <a href="command-line-options.html#scale">‑scale</a> <span class='bull'> • </span> <a href="command-line-options.html#scene">‑scene</a> <span class='bull'> • </span> <a href="command-line-options.html#screen">‑screen</a> <span class='bull'> • </span> <a href="command-line-options.html#seed">‑seed</a> <span class='bull'> • </span> <a href="command-line-options.html#segment">‑segment</a> <span class='bull'> • </span> <a href="command-line-options.html#selective-blur">‑selective‑blur</a> <span class='bull'> • </span> <a href="command-line-options.html#separate">‑separate</a> <span class='bull'> • </span> <a href="command-line-options.html#sepia-tone">‑sepia‑tone</a> <span class='bull'> • </span> <a href="command-line-options.html#set">‑set</a> <span class='bull'> • </span> <a href="command-line-options.html#shade">‑shade</a> <span class='bull'> • </span> <a href="command-line-options.html#shadow">‑shadow</a> <span class='bull'> • </span> <a href="command-line-options.html#shared-memory">‑shared‑memory</a> <span class='bull'> • </span> <a href="command-line-options.html#sharpen">‑sharpen</a> <span class='bull'> • </span> <a href="command-line-options.html#shave">‑shave</a> <span class='bull'> • </span> <a href="command-line-options.html#shear">‑shear</a> <span class='bull'> • </span> <a href="command-line-options.html#sigmoidal-contrast">‑sigmoidal‑contrast</a> <span class='bull'> • </span> <a href="command-line-options.html#silent">‑silent</a> <span class='bull'> • </span> <a href="command-line-options.html#similarity-threshold">‑similarity‑threshold</a> <span class='bull'> • </span> <a href="command-line-options.html#size">‑size</a> <span class='bull'> • </span> <a href="command-line-options.html#sketch">‑sketch</a> <span class='bull'> • </span> <a href="command-line-options.html#smush">‑smush</a> <span class='bull'> • </span> <a href="command-line-options.html#snaps">‑snaps</a> <span class='bull'> • </span> <a href="command-line-options.html#solarize">‑solarize</a> <span class='bull'> • </span> <a href="command-line-options.html#sparse-color">‑sparse‑color</a> <span class='bull'> • </span> <a href="command-line-options.html#splice">‑splice</a> <span class='bull'> • </span> <a href="command-line-options.html#spread">‑spread</a> <span class='bull'> • </span> <a href="command-line-options.html#statistic">‑statistic</a> <span class='bull'> • </span> <a href="command-line-options.html#stegano">‑stegano</a> <span class='bull'> • </span> <a href="command-line-options.html#stereo">‑stereo</a> <span class='bull'> • </span> <a href="command-line-options.html#stretch">‑stretch</a> <span class='bull'> • </span> <a href="command-line-options.html#strip">‑strip</a> <span class='bull'> • </span> <a href="command-line-options.html#stroke">‑stroke</a> <span class='bull'> • </span> <a href="command-line-options.html#strokewidth">‑strokewidth</a> <span class='bull'> • </span> <a href="command-line-options.html#style">‑style</a> <span class='bull'> • </span> <a href="command-line-options.html#subimage-search">‑subimage‑search</a> <span class='bull'> • </span> <a href="command-line-options.html#swap">‑swap</a> <span class='bull'> • </span> <a href="command-line-options.html#swirl">‑swirl</a> <span class='bull'> • </span> <a href="command-line-options.html#synchronize">‑synchronize</a> <span class='bull'> • </span> <a href="command-line-options.html#taint">‑taint</a> <span class='bull'> • </span> <a href="command-line-options.html#text-font">‑text‑font</a> <span class='bull'> • </span> <a href="command-line-options.html#texture">‑texture</a> <span class='bull'> • </span> <a href="command-line-options.html#threshold">‑threshold</a> <span class='bull'> • </span> <a href="command-line-options.html#thumbnail">‑thumbnail</a> <span class='bull'> • </span> <a href="command-line-options.html#tile">‑tile</a> <span class='bull'> • </span> <a href="command-line-options.html#tile-offset">‑tile‑offset</a> <span class='bull'> • </span> <a href="command-line-options.html#tint">‑tint</a> <span class='bull'> • </span> <a href="command-line-options.html#title">‑title</a> <span class='bull'> • </span> <a href="command-line-options.html#transform">‑transform</a> <span class='bull'> • </span> <a href="command-line-options.html#transparent">‑transparent</a> <span class='bull'> • </span> <a href="command-line-options.html#transparent-color">‑transparent‑color</a> <span class='bull'> • </span> <a href="command-line-options.html#transpose">‑transpose</a> <span class='bull'> • </span> <a href="command-line-options.html#transverse">‑transverse</a> <span class='bull'> • </span> <a href="command-line-options.html#treedepth">‑treedepth</a> <span class='bull'> • </span> <a href="command-line-options.html#trim">‑trim</a> <span class='bull'> • </span> <a href="command-line-options.html#type">‑type</a> <span class='bull'> • </span> <a href="command-line-options.html#undercolor">‑undercolor</a> <span class='bull'> • </span> <a href="command-line-options.html#unique-colors">‑unique‑colors</a> <span class='bull'> • </span> <a href="command-line-options.html#units">‑units</a> <span class='bull'> • </span> <a href="command-line-options.html#unsharp">‑unsharp</a> <span class='bull'> • </span> <a href="command-line-options.html#update">‑update</a> <span class='bull'> • </span> <a href="command-line-options.html#verbose">‑verbose</a> <span class='bull'> • </span> <a href="command-line-options.html#version">‑version</a> <span class='bull'> • </span> <a href="command-line-options.html#view">‑view</a> <span class='bull'> • </span> <a href="command-line-options.html#vignette">‑vignette</a> <span class='bull'> • </span> <a href="command-line-options.html#virtual-pixel">‑virtual‑pixel</a> <span class='bull'> • </span> <a href="command-line-options.html#visual">‑visual</a> <span class='bull'> • </span> <a href="command-line-options.html#watermark">‑watermark</a> <span class='bull'> • </span> <a href="command-line-options.html#wave">‑wave</a> <span class='bull'> • </span> <a href="command-line-options.html#weight">‑weight</a> <span class='bull'> • </span> <a href="command-line-options.html#white-point">‑white‑point</a> <span class='bull'> • </span> <a href="command-line-options.html#white-threshold">‑white‑threshold</a> <span class='bull'> • </span> <a href="command-line-options.html#window">‑window</a> <span class='bull'> • </span> <a href="command-line-options.html#window-group">‑window‑group</a> <span class='bull'> • </span> <a href="command-line-options.html#write">‑write</a> </p>
<p class="lead magick-description">Below is list of command-line options recognized by the ImageMagick <a href="command-line-tools.html">command-line tools</a>. If you want a description of a particular option, click on the option name in the navigation bar above and you will go right to it. Unless otherwise noted, each option is recognized by the commands: <a href="convert.html">convert</a> and <a href="mogrify.html">mogrify</a>.</p>
<div style="margin: auto;">
- <h4><a id="adaptive-blur"></a>-adaptive-blur <var>radius</var>[x<var>sigma</var>]</h4>
+ <h3 class="magick-header"><a id="adaptive-blur"></a>-adaptive-blur <var>radius</var>[x<var>sigma</var>]</h3>
</div>
<p class="magick-description">Adaptively blur pixels, with decreasing effect near edges.</p>
@@ -69,17 +73,19 @@
defaults to 1.</p>
<div style="margin: auto;">
- <h4><a id="adaptive-resize"></a>-adaptive-resize <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="adaptive-resize"></a>-adaptive-resize <var>geometry</var></h3>
</div>
<p class="magick-description">Resize the image using data-dependent triangulation.</p>
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument. The <a href="command-line-options.html#adaptive-resize">-adaptive-resize</a>
-option defaults to data-dependent triangulation. Use the <a href="command-line-options.html#filter">-filter</a> to choose a different resampling algorithm.
-Offsets, if present in the geometry string, are ignored, and the <a href="command-line-options.html#gravity">-gravity</a> option has no effect.</p>
+option defaults to data-dependent triangulation. Use the <a
+href="command-line-options.html#filter">-filter</a> to choose a different resampling algorithm.
+Offsets, if present in the geometry string, are ignored, and the <a
+href="command-line-options.html#gravity">-gravity</a> option has no effect.</p>
<div style="margin: auto;">
- <h4><a id="adaptive-sharpen"></a>-adaptive-sharpen <var>radius</var>[x<var>sigma</var>]</h4>
+ <h3 class="magick-header"><a id="adaptive-sharpen"></a>-adaptive-sharpen <var>radius</var>[x<var>sigma</var>]</h3>
</div>
<p class="magick-description">Adaptively sharpen pixels, with increasing effect near edges.</p>
@@ -89,7 +95,7 @@
defaults to 1.</p>
<div style="margin: auto;">
- <h4><a id="adjoin"></a>-adjoin</h4>
+ <h3 class="magick-header"><a id="adjoin"></a>-adjoin</h3>
</div>
<p class="magick-description">Join images into a single multi-image file.</p>
@@ -132,13 +138,14 @@
<div style="margin: auto;">
- <h4><a id="affine"></a>-affine
- <var>s<sub>x</sub></var>,<var>r<sub>x</sub></var>,<var>r<sub>y</sub></var>,<var>s<sub>y</sub></var>[,<var>t<sub>x</sub></var>,<var>t<sub>y</sub></var>]</h4>
+ <h3 class="magick-header"><a id="affine"></a>-affine
+ <var>s<sub>x</sub></var>,<var>r<sub>x</sub></var>,<var>r<sub>y</sub></var>,<var>s<sub>y</sub></var>[,<var>t<sub>x</sub></var>,<var>t<sub>y</sub></var>]</h3>
</div>
<p class="magick-description">Set the drawing transformation matrix for combined rotating and scaling.</p>
-<p>This option sets a transformation matrix, for use by subsequent <a href="command-line-options.html#draw">-draw</a> or <a href="command-line-options.html#transform">-transform</a> options. </p>
+<p>This option sets a transformation matrix, for use by subsequent <a
+href="command-line-options.html#draw">-draw</a> or <a href="command-line-options.html#transform">-transform</a> options. </p>
<p>The matrix entries are entered as comma-separated numeric values either in
quotes or without spaces. </p>
@@ -150,7 +157,7 @@
image are calculated using the following matrix equation.</p>
<div class="eqn">
-<img alt="affine transformation" src="../images/affine.png">
+<img alt="affine transformation" src="../images/affine.png"/>
</div>
<p> The size of the resulting image is that of the smallest rectangle that
@@ -171,7 +178,8 @@
<var>s<sub>y</sub></var> in the <var>x</var> and <var>y</var> directions,
respectively, is accomplished with the following.</p>
-<p>See <a href="command-line-options.html#transform">-transform</a>, and the <a href="command-line-options.html#distort">-distort</a> method '<code>Affineprojection</code> for more
+<p>See <a href="command-line-options.html#transform">-transform</a>, and the <a
+href="command-line-options.html#distort">-distort</a> method '<code>Affineprojection</code> for more
information </p>
@@ -193,15 +201,16 @@
-affine <var>c</var>,<var>s</var>,-<var>s</var>,<var>c</var>
</pre>
-<p>The cumulative effect of a sequence of <a href="command-line-options.html#affine">-affine</a>
-transformations can be accomplished by instead by a single <a href="command-line-options.html#affine">-affine</a> operation using the matrix equal to the product of the matrices
+<p>The cumulative effect of a sequence of <a href="command-line-options.html#affine" >-affine</a>
+transformations can be accomplished by instead by a single <a href="command-line-options.html#affine"
+>-affine</a> operation using the matrix equal to the product of the matrices
of the individual transformations.</p>
<p>An attempt is made to detect near-singular transformation matrices. If the
matrix determinant has a sufficiently small absolute value it is rejected.</p>
<div style="margin: auto;">
- <h4><a id="alpha"></a>-alpha <var>type</var></h4>
+ <h3 class="magick-header"><a id="alpha"></a>-alpha <var>type</var></h3>
</div>
<p class="magick-description">Gives control of the alpha/matte channel of an image.</p>
@@ -307,15 +316,15 @@
</div>
<p>Note that while the obsolete <code>+matte</code> operation was the
-same as "<code><a href="command-line-options.html#alpha">-alpha</a> Off</code>", the <code>
->-matte</code> operation was the same as "<code><a href="command-line-options.html#alpha">-alpha</a>
-Set</code>" and not "<code><a href="command-line-options.html#alpha">-alpha</a> On</code>". </p>
+same as "<code><a href="command-line-options.html#alpha" >-alpha</a> Off</code>", the <code>
+>-matte</code> operation was the same as "<code><a href="command-line-options.html#alpha" >-alpha</a>
+Set</code>" and not "<code><a href="command-line-options.html#alpha" >-alpha</a> On</code>". </p>
<div style="margin: auto;">
- <h4><a id="annotate"></a>
- -annotate <var>degrees</var> <var>text</var><br>
- -annotate <var>Xdegrees</var>x<var>Ydegrees</var> <var>text</var><br> -annotate <var>Xdegrees</var>x<var>Ydegrees</var> {+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var><br> -annotate {+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var></h4>
+ <h3 class="magick-header"><a id="annotate"></a>
+ -annotate <var>degrees</var> <var>text</var><br />
+ -annotate <var>Xdegrees</var>x<var>Ydegrees</var> <var>text</var><br /> -annotate <var>Xdegrees</var>x<var>Ydegrees</var> {+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var><br /> -annotate {+-}<var>t<sub>x</sub></var>{+-}<var>t<sub>y</sub></var> <var>text</var></h3>
</div>
<p class="magick-description">Annotate an image with text</p>
@@ -325,7 +334,7 @@
<p>The values <var>Xdegrees</var> and <var>Ydegrees</var>
-control the shears applied to the text, while <var>t<sub>x</sub></var> and <var>t<sub>y</sub></var> are offsets that give the location of the text relative any <a href="command-line-options.html#gravity">-gravity</a> setting and defaults to the upper left corner of the image.</p>
+control the shears applied to the text, while <var>t<sub>x</sub></var> and <var>t<sub>y</sub></var> are offsets that give the location of the text relative any <a href="command-line-options.html#gravity" >-gravity</a> setting and defaults to the upper left corner of the image.</p>
<p>Using <a href="command-line-options.html#annotate">-annotate</a> <var>degrees</var>
or <a href="command-line-options.html#annotate">-annotate</a> <var>degrees</var>x<var>degrees</var> produces an unsheared rotation of the text. The
@@ -334,11 +343,11 @@
conventionally considered to be <var>downward</var> for images.)</p>
<p>The new (transformed) coordinates (<var>x'</var>, <var>y'</var>) of a pixel at position (<var>x</var>, <var>y</var>) in the image are calculated using the following matrix
-equation.</p> <div class="eqn"><img alt="annotate transformation" src="../images/annotate.png"></div>
+equation.</p> <div class="eqn"><img alt="annotate transformation" src="../images/annotate.png"/></div>
<p>If <var>t<sub>x</sub></var> and <var>t<sub>y</sub></var> are omitted, they default to 0. This makes the
bottom-left of the text becomes the upper-left corner of the image, which is
-probably undesirable. Adding a <a href="command-line-options.html#gravity">-gravity</a> option in this
+probably undesirable. Adding a <a href="command-line-options.html#gravity" >-gravity</a> option in this
case leads to nice results.</p>
<p>Text is any UTF-8 encoded character sequence. If <var>text</var>
@@ -347,7 +356,7 @@
formatting characters are recognized.</p>
<div style="margin: auto;">
- <h4><a id="antialias"></a>-antialias</h4>
+ <h3 class="magick-header"><a id="antialias"></a>-antialias</h3>
</div>
<p class="magick-description">Enable/Disable of the rendering of anti-aliasing pixels when drawing fonts and lines.</p>
@@ -359,7 +368,7 @@
are added when drawing such objects. </p>
<div style="margin: auto;">
- <h4><a id="append"></a>-append</h4>
+ <h3 class="magick-header"><a id="append"></a>-append</h3>
</div>
<p class="magick-description">Join current images vertically or horizontally.</p>
@@ -370,11 +379,12 @@
<p>If they are not of the same width, narrower images are padded with the
current <a href="command-line-options.html#background">-background</a> color setting, and their
-position relative to each other can be controlled by the current <a href="command-line-options.html#gravity">-gravity</a> setting. </p>
+position relative to each other can be controlled by the current <a
+href="command-line-options.html#gravity">-gravity</a> setting. </p>
<div style="margin: auto;">
- <h4><a id="attenuate"></a>-attenuate <var>value</var></h4>
+ <h3 class="magick-header"><a id="attenuate"></a>-attenuate <var>value</var></h3>
</div>
<p class="magick-description">Lessen (or intensify) when adding noise to an image.</p>
@@ -382,7 +392,7 @@
<p>If unset the value is equivalent to 1.0, or a maximum noise addition</p>
<div style="margin: auto;">
- <h4><a id="authenticate"></a>-authenticate <var>password</var></h4>
+ <h3 class="magick-header"><a id="authenticate"></a>-authenticate <var>password</var></h3>
</div>
<p class="magick-description">Decrypt a PDF with a password.</p>
@@ -396,12 +406,13 @@
<div style="margin: auto;">
- <h4><a id="auto-gamma"></a>-auto-gamma</h4>
+ <h3 class="magick-header"><a id="auto-gamma"></a>-auto-gamma</h3>
</div>
<p class="magick-description">Automagically adjust gamma level of image.</p>
-<p>This calculates the mean values of an image, then applies a calculated <a href="command-line-options.html#gamma">-gamma</a> adjustment so that is the mean color exists in the
+<p>This calculates the mean values of an image, then applies a calculated <a
+href="command-line-options.html#gamma" >-gamma</a> adjustment so that is the mean color exists in the
image it will get a have a value of 50%. </p>
<p>This means that any solid 'gray' image becomes 50% gray. </p>
@@ -411,43 +422,49 @@
dark shadows. It also does not work well for diagrams or cartoon like images.
</p>
-<p>It uses the <a href="command-line-options.html#channel">-channel</a> setting, (including the
+<p>It uses the <a href="command-line-options.html#channel" >-channel</a> setting, (including the
'<var>sync</var>' flag for channel synchronization), to determine which color
-values is used and modified. As the default <a href="command-line-options.html#channel">-channel</a> setting is '<var>RGB,sync</var>', channels are modified
+values is used and modified. As the default <a href="command-line-options.html#channel"
+>-channel</a> setting is '<var>RGB,sync</var>', channels are modified
together by the same gamma value, preserving colors. </p>
<div style="margin: auto;">
- <h4><a id="auto-level"></a>-auto-level</h4>
+ <h3 class="magick-header"><a id="auto-level"></a>-auto-level</h3>
</div>
<p class="magick-description">Automagically adjust color levels of image.</p>
<p>This is a 'perfect' image normalization operator. It finds the exact
-minimum and maximum color values in the image and then applies a <a href="command-line-options.html#level">-level</a> operator to stretch the values to the full range of
+minimum and maximum color values in the image and then applies a <a
+href="command-line-options.html#level" >-level</a> operator to stretch the values to the full range of
values. </p>
<p>The operator is not typically used for real-life images, image scans, or
JPEG format images, as a single 'out-rider' pixel can set a bad min/max values
-for the <a href="command-line-options.html#level">-level</a> operation. On the other hand it is the
+for the <a href="command-line-options.html#level" >-level</a> operation. On the other hand it is the
right operator to use for color stretching gradient images being used to
generate Color lookup tables, distortion maps, or other 'mathematically'
defined images. </p>
-<p>The operator is very similar to the <a href="command-line-options.html#normalize">-normalize</a>, <a href="command-line-options.html#contrast-stretch">-contrast-stretch</a>, and <a href="command-line-options.html#linear-stretch">-linear-stretch</a> operators, but without 'histogram binning' or 'clipping'
-problems that these operators may have. That is <a href="command-line-options.html#auto-level">-auto-level</a> is the perfect or ideal version these operators. </p>
+<p>The operator is very similar to the <a href="command-line-options.html#normalize">-normalize</a>, <a
+href="command-line-options.html#contrast-stretch" >-contrast-stretch</a>, and <a href="command-line-options.html#linear-stretch"
+>-linear-stretch</a> operators, but without 'histogram binning' or 'clipping'
+problems that these operators may have. That is <a href="command-line-options.html#auto-level"
+>-auto-level</a> is the perfect or ideal version these operators. </p>
-<p>It uses the <a href="command-line-options.html#channel">-channel</a> setting, (including the
+<p>It uses the <a href="command-line-options.html#channel" >-channel</a> setting, (including the
special '<var>sync</var>' flag for channel synchronization), to determine
-which color values are used and modified. As the default <a href="command-line-options.html#channel">+channel</a> setting is '<var>RGB,sync</var>', the
+which color values are used and modified. As the default <a
+href="command-line-options.html#channel" >+channel</a> setting is '<var>RGB,sync</var>', the
'<var>sync</var>' ensures that the color channels will are modified
together by the same gamma value, preserving colors, and ignoring
transparency. </p>
<div style="margin: auto;">
- <h4><a id="auto-orient"></a>-auto-orient</h4>
+ <h3 class="magick-header"><a id="auto-orient"></a>-auto-orient</h3>
</div>
<p class="magick-description">adjusts an image so that its orientation is suitable for viewing (i.e. top-left orientation).</p>
@@ -460,11 +477,12 @@
camera, however photos taken directly downward or upward may not have an
appropriate value. Also images that have been orientation 'corrected' without
reseting this setting, may be 'corrected' again resulting in a incorrect
-result. If the EXIF profile was previously stripped, the <a href="command-line-options.html#auto-orient">-auto-orient</a> operator will do nothing. </p>
+result. If the EXIF profile was previously stripped, the <a
+href="command-line-options.html#auto-orient" >-auto-orient</a> operator will do nothing. </p>
<div style="margin: auto;">
- <h4><a id="average"></a>-average</h4>
+ <h3 class="magick-header"><a id="average"></a>-average</h3>
</div>
<p class="magick-description">Average a set of images.</p>
@@ -473,7 +491,7 @@
<div style="margin: auto;">
- <h4><a id="backdrop"></a>-backdrop</h4>
+ <h3 class="magick-header"><a id="backdrop"></a>-backdrop</h3>
</div>
<p class="magick-description">Display the image centered on a backdrop.</p>
@@ -484,16 +502,17 @@
described under the <a href="command-line-options.html#fill">-fill</a> option.</p>
<div style="margin: auto;">
- <h4><a id="background"></a>-background <var>color</var></h4>
+ <h3 class="magick-header"><a id="background"></a>-background <var>color</var></h3>
</div>
<p class="magick-description">Set the background color.</p>
-<p>The color is specified using the format described under the <a href="command-line-options.html#fill">-fill</a> option. The default background color (if none is
+<p>The color is specified using the format described under the <a
+href="command-line-options.html#fill">-fill</a> option. The default background color (if none is
specified or found in the image) is white.</p>
<div style="margin: auto;">
- <h4><a id="bench"></a>-bench <var>iterations</var></h4>
+ <h3 class="magick-header"><a id="bench"></a>-bench <var>iterations</var></h3>
</div>
<p class="magick-description">Measure performance.</p>
@@ -513,12 +532,12 @@
a total elapsed time of 5.71 seconds.</p>
<div style="margin: auto;">
- <h4><a id="bias"></a>-bias <var>value</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="bias"></a>-bias <var>value</var>{<var>%</var>}</h3>
</div>
<p class="magick-description">Add bias when convolving an image.</p>
-<p>This option shifts the output of <a href="command-line-options.html#convolve">‑convolve</a> so that
+<p>This option shifts the output of <a href="command-line-options.html#convolve">‑convolve</a> so that
positive and negative results are relative to the specified bias value. </p>
<p>This is important for non-HDRI compilations of ImageMagick when dealing
@@ -527,34 +546,37 @@
detection. Without an output bias, the negative values are clipped at
zero.</p>
-<p>When using an ImageMagick with the HDRI compile-time setting, <a href="command-line-options.html#bias">‑bias</a> is not needed, as ImageMagick is able to store/handle any
+<p>When using an ImageMagick with the HDRI compile-time setting, <a href="command-line-options.html#bias">‑bias</a> is not needed, as ImageMagick is able to store/handle any
negative results without clipping to the color value range
(0..QuantumRange).</p>
-<p>See the discussion on HDRI implementations of ImageMagick on the page <a href="high-dynamic-range.html">High Dynamic-Range Images</a>. For more
-about HDRI go the ImageMagick <a href="http://www.imagemagick.org/Usage/basics/#hdri">Usage</a> pages or this
-<a href="http://en.wikipedia.org/wiki/High_dynamic_range_imaging">Wikipedia</a>
+<p>See the discussion on HDRI implementations of ImageMagick on the page <a
+href="high-dynamic-range.html" >High Dynamic-Range Images</a>. For more
+about HDRI go the ImageMagick <a
+href="http://www.imagemagick.org/Usage/basics/#hdri" >Usage</a> pages or this
+<a
+href="http://en.wikipedia.org/wiki/High_dynamic_range_imaging">Wikipedia</a>
entry. </p>
<div style="margin: auto;">
- <h4><a id="black-point-compensation"></a>-black-point-compensation</h4>
+ <h3 class="magick-header"><a id="black-point-compensation"></a>-black-point-compensation</h3>
</div>
<p class="magick-description">Use black point compensation.</p>
<div style="margin: auto;">
- <h4><a id="black-threshold"></a>-black-threshold <var>value</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="black-threshold"></a>-black-threshold <var>value</var>{<var>%</var>}</h3>
</div>
<p class="magick-description">Force to black all pixels below the threshold while leaving all pixels at or above the threshold unchanged.</p>
<p> The threshold value can be given as a percentage or as an absolute integer
value within [0, <var>QuantumRange</var>] corresponding to the
-desired <a href="command-line-options.html#channel">‑channel</a> value. See <a href="command-line-options.html#threshold">‑threshold</a>for more details on thresholds and resulting values. </p>
+desired <a href="command-line-options.html#channel">‑channel</a> value. See <a href="command-line-options.html#threshold">‑threshold</a>for more details on thresholds and resulting values. </p>
<div style="margin: auto;">
- <h4><a id="blend"></a>-blend <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="blend"></a>-blend <var>geometry</var></h3>
</div>
<p class="magick-description">blend an image into another by the given absolute value or percent.</p>
@@ -568,13 +590,13 @@
<div style="margin: auto;">
- <h4><a id="blue-primary"></a>-blue-primary <var>x</var>,<var>y</var></h4>
+ <h3 class="magick-header"><a id="blue-primary"></a>-blue-primary <var>x</var>,<var>y</var></h3>
</div>
<p class="magick-description">Set the blue chromaticity primary point.</p>
<div style="margin: auto;">
- <h4><a id="blue-shift"></a>-blue-shift <var>factor</var></h4>
+ <h3 class="magick-header"><a id="blue-shift"></a>-blue-shift <var>factor</var></h3>
</div>
<p class="magick-description">simulate a scene at nighttime in the moonlight. Start with a factor of 1.5</p>
@@ -582,30 +604,30 @@
<div style="margin: auto;">
<div style="margin: auto;">
- <h4><a id="blur"></a>-blur <var>radius</var><br>-blur <var>radius</var>x<var>sigma</var></h4>
+ <h3 class="magick-header"><a id="blur"></a>-blur <var>radius</var><br />-blur <var>radius</var>x<var>sigma</var></h3>
</div>
<p class="magick-description">Reduce image noise and reduce detail levels.</p>
<p>Convolve the image with a Gaussian or normal distribution using the given
-<var>Sigma</var> value. The formula is:</p>
+<var >Sigma</var> value. The formula is:</p>
-<div class="eqn"><img alt="gaussian distribution" width="243px" height="42px" src="../images/gaussian-blur.png">
+<div class="eqn"><img alt="gaussian distribution" width="243px" height="42px" src="../images/gaussian-blur.png"/>
</div>
-<p>The <var>Sigma</var> value is the important argument, and
+<p>The <var >Sigma</var> value is the important argument, and
determines the actual amount of blurring that will take place. </p>
-<p>The <var>Radius</var> is only used to determine the size of the
+<p>The <var >Radius</var> is only used to determine the size of the
array which will hold the calculated Gaussian distribution. It should be an
integer. If not given, or set to zero, IM will calculate the largest possible
radius that will provide meaningful results for the Gaussian distribution.
</p>
-<p>The larger the <var>Radius</var> the slower the
-operation is. However too small a <var>Radius</var>, and sever
-aliasing effects may result. As a guideline, <var>Radius</var>
-should be at least twice the <var>Sigma</var> value, though three
+<p>The larger the <var >Radius</var> the slower the
+operation is. However too small a <var >Radius</var>, and sever
+aliasing effects may result. As a guideline, <var >Radius</var>
+should be at least twice the <var >Sigma</var> value, though three
times will produce a more accurate result. </p>
<p>This option differs from <a href="command-line-options.html#gaussian-blur">-gaussian-blur</a> simply
@@ -619,7 +641,7 @@
<div style="margin: auto;">
- <h4>-blur <var>Width</var>[x<var>Height</var>[+<var>Angle</var>]]</h4>
+ <h3 class="magick-header">-blur <var>Width</var>[x<var>Height</var>[+<var>Angle</var>]]</h3>
</div>
<p class="magick-description">Variably blur an image according to the overlay mapping.</p>
@@ -628,9 +650,9 @@
Average (EWA) of the source image, scaled according to the grayscale
mapping. </p>
-<p>The ellipse is weighted with sigma set to the given <var>Width</var> and <var>Height</var>. The <var>Height</var>
-defaults to the <var>Width</var> for a normal circular Gaussian
-weighting. The <var>Angle</var> will rotate the ellipse from
+<p>The ellipse is weighted with sigma set to the given <var>Width</var> and <var >Height</var>. The <var >Height</var>
+defaults to the <var >Width</var> for a normal circular Gaussian
+weighting. The <var >Angle</var> will rotate the ellipse from
horizontal clock-wise. </p>
<p>The <a href="command-line-options.html#virtual-pixel">-virtual-pixel</a> setting will determine how
@@ -639,7 +661,7 @@
<div style="margin: auto;">
- <h4><a id="border"></a>-border <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="border"></a>-border <var>geometry</var></h3>
</div>
<p class="magick-description">Surround the image with a border of color. </p>
@@ -651,7 +673,7 @@
<p>As of IM 6.7.8-8, the <var>geometry</var> arguments behave as follows:</p>
<table id="borderTable">
- <col width="20%"> <col width="80%">
+ <col width="20%"/> <col width="80%"/>
<thead>
<tr>
<th style="text-align:center"><var>size</var></th>
@@ -715,9 +737,11 @@
</table>
-<p>Set the border color by preceding with the <a href="command-line-options.html#bordercolor">-bordercolor</a> setting.</p>
+<p>Set the border color by preceding with the <a
+href="command-line-options.html#bordercolor">-bordercolor</a> setting.</p>
-<p>The <a href="command-line-options.html#border">-border</a> operation is affected by the current <a href="command-line-options.html#compose">-compose</a> setting and assumes that this is using the default
+<p>The <a href="command-line-options.html#border">-border</a> operation is affected by the current <a
+href="command-line-options.html#compose">-compose</a> setting and assumes that this is using the default
'<code>Over</code>' composition method. It generates an image of the appropriate
size colors by the current <a href="command-line-options.html#bordercolor">-bordercolor</a> before
overlaying the original image in the center of this net image. This means that
@@ -727,7 +751,7 @@
functionality.</p>
<div style="margin: auto;">
- <h4><a id="bordercolor"></a>-bordercolor <var>color</var></h4>
+ <h3 class="magick-header"><a id="bordercolor"></a>-bordercolor <var>color</var></h3>
</div>
<p class="magick-description">Set the border color.</p>
@@ -737,13 +761,13 @@
<p>The default border color is <code>#DFDFDF</code>, <span style="background-color: #dfdfdf;">this shade of gray</span>.</p>
<div style="margin: auto;">
- <h4><a id="borderwidth"></a>-borderwidth <var>geometry</var> </h4>
+ <h3 class="magick-header"><a id="borderwidth"></a>-borderwidth <var>geometry</var> </h3>
</div>
<p class="magick-description">Set the border width.</p>
<div style="margin: auto;">
- <h4><a id="brightness-contrast"></a>-brightness-contrast <var>brightness</var><br>-brightness-contrast <var>brightness</var>{x<var>contrast</var>}{<var>%</var>}}</h4>
+ <h3 class="magick-header"><a id="brightness-contrast"></a>-brightness-contrast <var>brightness</var><br />-brightness-contrast <var>brightness</var>{x<var>contrast</var>}{<var>%</var>}}</h3>
</div>
<p class="magick-description">Adjust the brightness and/or contrast of the image.</p>
@@ -781,13 +805,13 @@
symbol is no different than leaving it off.</p>
<div style="margin: auto;">
- <h4><a id="cache"></a>-cache <var>threshold</var></h4>
+ <h3 class="magick-header"><a id="cache"></a>-cache <var>threshold</var></h3>
</div>
-<p class="magick-description">(This option has been replaced by the <a href="command-line-options.html#limit">-limit</a> option).</p>
+<p class="magick-description">(This option has been replaced by the <a href='command-line-options.html#limit'>-limit</a> option).</p>
<div style="margin: auto;">
- <h4><a id="canny"></a>-canny <var>radius</var><br>-canny <var>radius</var>x<var>sigma</var>{<var>+lower-percent</var>}{<var>+upper-percent</var>}</h4>
+ <h3 class="magick-header"><a id="canny"></a>-canny <var>radius</var><br/>-canny <var>radius</var>x<var>sigma</var>{<var>+lower-percent</var>}{<var>+upper-percent</var>}</h3>
</div>
<p class="magick-description">Canny edge detector uses a multi-stage algorithm to detect a wide range of edges in the image.</p>
@@ -795,7 +819,7 @@
<p>The thresholds range from 0 to 100% (e.g. -canny 0x1+10%+30%) with {<var>+lower-percent</var>} < {<var>+upper-percent</var>}. If {<var>+upper-percent</var>} is increased but {<var>+lower-percent</var>} remains the same, lesser edge components will be detected, but their lengths will be the same. If {<var>+lower-percent</var>} is increased but {<var>+upper-percent</var>} is the same, the same number of edge components will be detected but their lengths will be shorter. The default thresholds are shown. The <var>radius</var>x<var>sigma</var> controls a gaussian blur applied to the input image to reduce noise and smooth the edges.</p>
<div style="margin: auto;">
- <h4><a id="caption"></a>-caption <var>string</var></h4>
+ <h3 class="magick-header"><a id="caption"></a>-caption <var>string</var></h3>
</div>
<p class="magick-description">Assign a caption to an image.</p>
@@ -804,7 +828,8 @@
option has been given. To modify a caption of images already in memory use
"<code><a href="command-line-options.html#set">-set</a> caption</code>". </p>
-<p>The caption can contain special format characters listed in the <a href="escape.html">Format and
+<p>The caption can contain special format characters listed in the <a
+href="escape.html">Format and
Print Image Properties</a>. These attributes are expanded when the caption
is finally assigned to the individual images. </p>
@@ -818,9 +843,9 @@
<p>For example,</p>
-<p class="crtsnip">
- -caption "%m:%f %wx%h" bird.miff
-</p>
+<pre>
+-caption "%m:%f %wx%h" bird.miff
+</pre>
<p>produces an image caption of <code>MIFF:bird.miff 512x480</code> (assuming
that the image <code>bird.miff</code> has a width of 512 and a height of
@@ -828,7 +853,7 @@
<div style="margin: auto;">
- <h4><a id="cdl"></a>-cdl <var>filename</var></h4>
+ <h3 class="magick-header"><a id="cdl"></a>-cdl <var>filename</var></h3>
</div>
<p class="magick-description">color correct with a color decision list.</p>
@@ -852,7 +877,7 @@
</pre>
<div style="margin: auto;">
- <h4><a id="channel"></a>-channel <var>type</var></h4>
+ <h3 class="magick-header"><a id="channel"></a>-channel <var>type</var></h3>
</div>
<p class="magick-description">Specify those image color channels to which subsequent operators are limited.</p>
@@ -870,20 +895,20 @@
For example, to only select the <code>Red</code> and <code>Blue</code> channels
you can either use </p>
-<p class="crtsnip">
- -channel Red,Blue
-</p>
+<pre>
+-channel Red,Blue
+</pre>
<p>or you can use the short hand form</p>
-<p class="crtsnip">
- -channel RB
-</p>
+<pre>
+-channel RB
+</pre>
<p>All the channels that are present in an image can be specified using the
special channel type <code>All</code>. Not all operators are 'channel capable',
but generally any operators that are generally 'grey-scale' image operators,
will understand this setting. See individual operator documentation. </p>
-<br>
+<br/>
<p>On top of the normal channel selection an extra flag can be specified,
'<code>Sync</code>'. This is turned on by default and if set means that
@@ -916,15 +941,16 @@
<p>To print a complete list of channel types, use <a href="command-line-options.html#list">-list
channel</a>.</p>
-<br>
+<br />
<p>By default, ImageMagick sets <a href="command-line-options.html#channel">-channel</a> to the value
'<code>RGBK,sync</code>', which specifies that operators act on all color
channels except the transparency channel, and that all the color channels are
to be modified in exactly the same way, with an understanding of transparency
-(depending on the operation being applied). The 'plus' form <a href="command-line-options.html#channel">+channel</a> will reset the value back to this default. </p>
+(depending on the operation being applied). The 'plus' form <a
+href="command-line-options.html#channel" >+channel</a> will reset the value back to this default. </p>
-<p>Options that are affected by the <a href="command-line-options.html#channel">-channel</a> setting
+<p>Options that are affected by the <a href="command-line-options.html#channel" >-channel</a> setting
include the following.
<a href="command-line-options.html#auto-gamma">-auto-gamma</a>,
@@ -954,16 +980,20 @@
<a href="command-line-options.html#white-threshold">-white-threshold</a>.
</p>
-<p>Warning, some operators behave differently when the <a href="command-line-options.html#channel">+channel</a> default setting is in effect, verses ANY user defined <a href="command-line-options.html#channel">-channel</a> setting (including the equivalent of the
+<p>Warning, some operators behave differently when the <a href="command-line-options.html#channel"
+>+channel</a> default setting is in effect, verses ANY user defined <a
+href="command-line-options.html#channel" >-channel</a> setting (including the equivalent of the
default). These operators have yet to be made to understand the newer 'Sync'
flag. </p>
<p>For example <a href="command-line-options.html#threshold">-threshold</a> will by default gray-scale
-the image before thresholding, if no <a href="command-line-options.html#channel">-channel</a> setting
+the image before thresholding, if no <a href="command-line-options.html#channel" >-channel</a> setting
has been defined. This is not 'Sync flag controlled, yet. </p>
-<p>Also some operators such as <a href="command-line-options.html#blur">-blur</a>, <a href="command-line-options.html#gaussian-blur">-gaussian-blur</a>, will modify their handling of the
-color channels if the '<code>alpha</code>' channel is also enabled by <a href="command-line-options.html#channel">-channel</a>. Generally this done to ensure that
+<p>Also some operators such as <a href="command-line-options.html#blur">-blur</a>, <a
+href="command-line-options.html#gaussian-blur">-gaussian-blur</a>, will modify their handling of the
+color channels if the '<code>alpha</code>' channel is also enabled by <a
+href="command-line-options.html#channel" >-channel</a>. Generally this done to ensure that
fully-transparent colors are treated as being fully-transparent, and thus any
underlying 'hidden' color has no effect on the final results. Typically
resulting in 'halo' effects. The newer <a href="command-line-options.html#morphology">-morphology</a>
@@ -972,19 +1002,20 @@
<p>As a alpha channel is optional within images, some operators will read the
color channels of an image as a greyscale alpha mask, when the image has no
-alpha channel present, and the <a href="command-line-options.html#channel">-channel</a> setting tells
-the operator to apply the operation using alpha channels. The <a href="command-line-options.html#clut">-clut</a> operator is a good example of this. </p>
+alpha channel present, and the <a href="command-line-options.html#channel" >-channel</a> setting tells
+the operator to apply the operation using alpha channels. The <a
+href="command-line-options.html#clut">-clut</a> operator is a good example of this. </p>
<div style="margin: auto;">
- <h4><a id="charcoal"></a>-charcoal <var>factor</var></h4>
+ <h3 class="magick-header"><a id="charcoal"></a>-charcoal <var>factor</var></h3>
</div>
<p class="magick-description">Simulate a charcoal drawing.</p>
<div style="margin: auto;">
- <h4><a id="chop"></a>-chop <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="chop"></a>-chop <var>geometry</var></h3>
</div>
<p class="magick-description">Remove pixels from the interior of an image.</p>
@@ -1001,19 +1032,21 @@
<p>While it can remove internal rows and columns of pixels, it is more
typically used with as <a href="command-line-options.html#gravity">-gravity</a> setting and zero
-offsets so as to remove a single edge from an image. Compare this to <a href="command-line-options.html#shave">-shave</a> which removes equal numbers of pixels from oppisite
+offsets so as to remove a single edge from an image. Compare this to <a
+href="command-line-options.html#shave" >-shave</a> which removes equal numbers of pixels from oppisite
sides of the image. </p>
-<p>Using <a href="command-line-options.html#chop">-chop</a> effectively undoes the results of a <a href="command-line-options.html#splice">-splice</a> that was given the same <var>geometry</var> and <a href="command-line-options.html#gravity">-gravity</a> settings. </p>
+<p>Using <a href="command-line-options.html#chop">-chop</a> effectively undoes the results of a <a
+href="command-line-options.html#splice">-splice</a> that was given the same <var>geometry</var> and <a href="command-line-options.html#gravity">-gravity</a> settings. </p>
<div style="margin: auto;">
- <h4><a id="clamp"></a>-clamp</h4>
+ <h3 class="magick-header"><a id="clamp"></a>-clamp</h3>
</div>
<p class="magick-description">set each pixel whose value is below zero to zero and any the pixel whose value is above the quantum range to the quantum range (e.g. 65535) otherwise the pixel value remains unchanged.</p>
<div style="margin: auto;">
- <h4><a id="clip"></a>-clip</h4>
+ <h3 class="magick-header"><a id="clip"></a>-clip</h3>
</div>
<p class="magick-description">Apply the clipping path if one is present.</p>
@@ -1034,7 +1067,7 @@
<p>Use <a href="command-line-options.html#clip">+clip</a> to disable clipping for subsequent operations.</p>
<div style="margin: auto;">
- <h4><a id="clip-mask"></a>-clip-mask</h4>
+ <h3 class="magick-header"><a id="clip-mask"></a>-clip-mask</h3>
</div>
<p class="magick-description">Clip the image as defined by this mask.</p>
@@ -1045,14 +1078,14 @@
modified per the requirements of the operator. </p>
<p>In some ways this is similar to (though not the same) as defining
-a rectangular <a href="command-line-options.html#region">-region</a>, or using the negative of the
-mask (third) image in a three image <a href="command-line-options.html#composite">-composite</a>,
+a rectangular <a href="command-line-options.html#region" >-region</a>, or using the negative of the
+mask (third) image in a three image <a href="command-line-options.html#composite" >-composite</a>,
operation. </p>
<p>Use <a href="command-line-options.html#clip-mask">+clip-mask</a> to disable clipping for subsequent operations.</p>
<div style="margin: auto;">
- <h4><a id="clip-path"></a>-clip-path <var>id</var></h4>
+ <h3 class="magick-header"><a id="clip-path"></a>-clip-path <var>id</var></h3>
</div>
<p class="magick-description">Clip along a named path from the 8BIM profile.</p>
@@ -1062,7 +1095,7 @@
<p>Use <a href="command-line-options.html#clip-path">+clip-path</a> to disable clipping for subsequent operations.</p>
<div style="margin: auto;">
- <h4><a id="clone"></a>-clone <var>index(s)</var></h4>
+ <h3 class="magick-header"><a id="clone"></a>-clone <var>index(s)</var></h3>
</div>
<p class="magick-description">make a clone of an image (or images).</p>
@@ -1085,7 +1118,7 @@
'<code>−1</code>'. </p>
<div style="margin: auto;">
- <h4><a id="clut"></a>-clut</h4>
+ <h3 class="magick-header"><a id="clut"></a>-clut</h3>
</div>
<p class="magick-description">Replace the channel values in the first image using each corresponding channel in the second image as a <b>c</b>olor <b>l</b>ook<b>u</b>p <b>t</b>able.</p>
@@ -1096,7 +1129,8 @@
than a single row or column, values are taken from a diagonal line from
top-left to bottom-right corners.</p>
-<p>The lookup is further controlled by the <a href="command-line-options.html#interpolate">-interpolate</a> setting, which is especially handy for an
+<p>The lookup is further controlled by the <a
+href="command-line-options.html#interpolate">-interpolate</a> setting, which is especially handy for an
LUT which is not the full length needed by the ImageMagick installed Quality
(Q) level. Good settings for this are the '<code>bilinear</code>' and
'<code>bicubic</code>' interpolation settings, which give smooth color
@@ -1107,27 +1141,30 @@
specific color gradient from the CLUT image. </p>
<p>Only the channel values defined by the <a href="command-line-options.html#channel">-channel</a>
-setting will have their values replaced. In particular, since the default <a href="command-line-options.html#channel">-channel</a> setting is <code>RGB</code>, this means that
-transparency (alpha/matte channel) is not affected, unless the <a href="command-line-options.html#channel">-channel</a> setting is modified. When the alpha channel is
-set, it is treated by the <a href="command-line-options.html#clut">-clut</a> operator in the same way
+setting will have their values replaced. In particular, since the default <a
+href="command-line-options.html#channel">-channel</a> setting is <code>RGB</code>, this means that
+transparency (alpha/matte channel) is not affected, unless the <a
+href="command-line-options.html#channel">-channel</a> setting is modified. When the alpha channel is
+set, it is treated by the <a href="command-line-options.html#clut" >-clut</a> operator in the same way
as the other channels, implying that alpha/matte values are replaced using the
alpha/matte values of the original image. </p>
<p>If either the image being modified, or the lookup image, contains no
-transparency (i.e. <a href="command-line-options.html#alpha">-alpha</a> is turned 'off') but the <a href="command-line-options.html#channel">-channel</a> setting includes alpha replacement, then it is
+transparency (i.e. <a href="command-line-options.html#alpha" >-alpha</a> is turned 'off') but the <a
+href="command-line-options.html#channel">-channel</a> setting includes alpha replacement, then it is
assumed that image represents a gray-scale gradient which is used for the
replacement alpha values. That is you can use a gray-scale CLUT image to
adjust a existing images alpha channel, or you can color a gray-scale image
using colors form CLUT containing the desired colors, including transparency.
</p>
-<p>See also <a href="command-line-options.html#hald-clut">-hald-clut</a> which replaces colors
+<p>See also <a href="command-line-options.html#hald-clut" >-hald-clut</a> which replaces colors
according to the lookup of the full color RGB value from a 2D representation
of a 3D color cube. </p>
<div style="margin: auto;">
- <h4><a id="coalesce"></a>-coalesce</h4>
+ <h3 class="magick-header"><a id="coalesce"></a>-coalesce</h3>
</div>
<p class="magick-description">Fully define the look of each frame of an GIF animation sequence, to form a 'film strip' animation.</p>
@@ -1147,10 +1184,10 @@
<div style="margin: auto;">
- <h4><a id="colorize"></a>-colorize <var>value</var></h4>
+ <h3 class="magick-header"><a id="colorize"></a>-colorize <var>value</var></h3>
</div>
-<p class="magick-description">Colorize the image by an amount specified by <var>value</var> using the color specified by the most recent <a href="command-line-options.html#fill">-fill</a> setting.</p>
+<p class="magick-description">Colorize the image by an amount specified by <var>value</var> using the color specified by the most recent <a href="command-line-options.html#fill" >-fill</a> setting.</p>
<p>Specify the amount of colorization as a percentage. Separate colorization
values can be applied to the red, green, and blue channels of the image with
@@ -1158,7 +1195,7 @@
values (e.g., <code>-colorize 0,0,50</code>).</p>
<div style="margin: auto;">
- <h4><a id="colormap"></a>-colormap <var>type</var></h4>
+ <h3 class="magick-header"><a id="colormap"></a>-colormap <var>type</var></h3>
</div>
<p class="magick-description">Define the colormap type.</p>
@@ -1176,7 +1213,7 @@
when the image colormap is installed.</p>
<div style="margin: auto;">
- <h4><a id="colors"></a>-colors <var>value</var></h4>
+ <h3 class="magick-header"><a id="colors"></a>-colors <var>value</var></h3>
</div>
<p class="magick-description">Set the preferred number of colors in the image.</p>
@@ -1192,7 +1229,7 @@
color reduction algorithm</a> for more details.</p>
<div style="margin: auto;">
- <h4><a id="color-matrix"></a>-color-matrix <var>matrix</var></h4>
+ <h3 class="magick-header"><a id="color-matrix"></a>-color-matrix <var>matrix</var></h3>
</div>
<p class="magick-description">apply color correction to the image.</p>
@@ -1207,16 +1244,16 @@
<p>As an example, to add contrast to an image with offsets, try this command:</p>
<pre>
- convert kittens.jpg -color-matrix \
- " 1.5 0.0 0.0 0.0, 0.0, -0.157 \
- 0.0 1.5 0.0 0.0, 0.0, -0.157 \
- 0.0 0.0 1.5 0.0, 0.0, -0.157 \
- 0.0 0.0 0.0 1.0, 0.0, 0.0 \
- 0.0 0.0 0.0 0.0, 1.0, 0.0 \
- 0.0 0.0 0.0 0.0, 0.0, 1.0" kittens.png
+convert kittens.jpg -color-matrix \
+ " 1.5 0.0 0.0 0.0, 0.0, -0.157 \
+ 0.0 1.5 0.0 0.0, 0.0, -0.157 \
+ 0.0 0.0 1.5 0.0, 0.0, -0.157 \
+ 0.0 0.0 0.0 1.0, 0.0, 0.0 \
+ 0.0 0.0 0.0 0.0, 1.0, 0.0 \
+ 0.0 0.0 0.0 0.0, 0.0, 1.0" kittens.png
</pre>
<div style="margin: auto;">
- <h4><a id="colorspace"></a>-colorspace <var>value</var></h4>
+ <h3 class="magick-header"><a id="colorspace"></a>-colorspace <var>value</var></h3>
</div>
<p class="magick-description">Set the image colorspace.</p>
@@ -1224,14 +1261,14 @@
<p>Choices are:</p>
<pre>
- CMY CMYK Gray HCL
- HCLp HSB HSI HSL
- HSV HWB Lab LCHab
- LCHuv LMS Log Luv
- OHTA Rec601YCbCr Rec709YCbCr RGB
- scRGB sRGB Transparent xyY
- XYZ YCbCr YCC YDbDr
- YIQ YPbPr YUV
+CMY CMYK Gray HCL
+HCLp HSB HSI HSL
+HSV HWB Lab LCHab
+LCHuv LMS Log Luv
+OHTA Rec601YCbCr Rec709YCbCr RGB
+scRGB sRGB Transparent xyY
+XYZ YCbCr YCC YDbDr
+YIQ YPbPr YUV
</pre>
<p>To print a complete list of colorspaces, use <a href="command-line-options.html#list">-list colorspace</a>.</p>
@@ -1338,7 +1375,7 @@
<p>Note the scRGB colorspace requires HDRI support otherwise it behaves just like linear RGB.</p>
<div style="margin: auto;">
- <h4><a id="combine"></a>-combine</h4>
+ <h3 class="magick-header"><a id="combine"></a>-combine</h3>
</div>
<p class="magick-description">Combine one or more images into a single image.</p>
@@ -1349,7 +1386,8 @@
means the first image is assigned to the <code>Red</code> channel, the second
to the <code>Green</code> channel, the third to the <code>Blue</code>.</p>
-<p>This option can be thought of as the inverse to <a href="command-line-options.html#separate">-separate</a>, so long as the channel settings are the same.
+<p>This option can be thought of as the inverse to <a
+href="command-line-options.html#separate">-separate</a>, so long as the channel settings are the same.
Thus, in the following example, the final image should be a copy of the
original. </p>
@@ -1360,7 +1398,7 @@
</pre>
<div style="margin: auto;">
- <h4><a id="comment"></a>-comment <var>string</var></h4>
+ <h3 class="magick-header"><a id="comment"></a>-comment <var>string</var></h3>
</div>
<p class="magick-description">Embed a comment in an image.</p>
@@ -1369,7 +1407,8 @@
option has been given. To modify a comment of images already in memory use
"<code><a href="command-line-options.html#set">-set</a> comment</code>". </p>
-<p>The comment can contain special format characters listed in the <a href="escape.html">Format and
+<p>The comment can contain special format characters listed in the <a
+href="escape.html">Format and
Print Image Properties</a>. These attributes are expanded when the comment
is finally assigned to the individual images. </p>
@@ -1383,16 +1422,16 @@
<p>For example,</p>
-<p class="crtsnip">
- -comment "%m:%f %wx%h" bird.miff
-</p>
+<pre>
+-comment "%m:%f %wx%h" bird.miff
+</pre>
<p>produces an image comment of <code>MIFF:bird.miff 512x480</code> (assuming
that the image <code>bird.miff</code> has a width of 512 and a height of
480.</p>
<div style="margin: auto;">
- <h4><a id="compare"></a>-compare</h4>
+ <h3 class="magick-header"><a id="compare"></a>-compare</h3>
</div>
<p class="magick-description">mathematically and visually annotate the difference between an image and its reconstruction</p>
@@ -1400,7 +1439,7 @@
<p>This is a convert version of "<code>compare</code>" for two same sized images. The syntax is as follows, but other metrics are allowed.</p>
<pre>
-convert image.png reference.png -metric RMSE -compare \ <br> difference.png
+convert image.png reference.png -metric RMSE -compare \ <br/> difference.png
</pre>
<p>To get the metric value use the string format "%[distortion]".</p>
@@ -1411,7 +1450,7 @@
</pre>
<div style="margin: auto;">
- <h4><a id="complex"></a>-complex <var>operator</var></h4>
+ <h3 class="magick-header"><a id="complex"></a>-complex <var>operator</var></h3>
</div>
<p class="magick-description">perform complex mathematics on an image sequence</p>
@@ -1419,19 +1458,19 @@
Choose from these operators:
<pre>
- add
- conjugate
- divide
- magnuitude-phase
- multiply
- real-imaginary
- subtract
+add
+conjugate
+divide
+magnuitude-phase
+multiply
+real-imaginary
+subtract
</pre>
<p>Optionally specify the <code>divide</code> operator SNR with <code><a href="command-line-options.html#define">-define</a> complex:snr=float</code>.</p>
<div style="margin: auto;">
- <h4><a id="compose"></a>-compose <var>operator</var></h4>
+ <h3 class="magick-header"><a id="compose"></a>-compose <var>operator</var></h3>
</div>
<p class="magick-description">Set the type of image composition.</p>
@@ -1456,14 +1495,15 @@
<div style="margin: auto;">
- <h4><a id="composite"></a>-composite</h4>
+ <h3 class="magick-header"><a id="composite"></a>-composite</h3>
</div>
<p class="magick-description">Perform alpha composition on two images and an optional mask</p>
<p>Take the first image 'destination' and overlay the second 'source' image
according to the current <a href="command-line-options.html#compose">-compose</a> setting. The location
-of the 'source' or 'overlay' image is controlled according to <a href="command-line-options.html#geometry">-geometry</a>, and <a href="command-line-options.html#geometry">-geometry</a>
+of the 'source' or 'overlay' image is controlled according to <a
+href="command-line-options.html#geometry" >-geometry</a>, and <a href="command-line-options.html#geometry" >-geometry</a>
settings. </p>
<p>If a third image is given this is treated as a gray-scale blending 'mask' image
@@ -1472,23 +1512,29 @@
mask is used to provide a separate Y-displacement image instead. </p>
<p>If a <a href="command-line-options.html#compose">-compose</a> method requires extra numerical
-arguments or flags these can be provided by setting the <a href="command-line-options.html#set">-set</a> '<code>option:compose:args</code>'
+arguments or flags these can be provided by setting the <a
+href="command-line-options.html#set">-set</a> '<code>option:compose:args</code>'
appropriately for the compose method. </p>
<p>Some <a href="command-line-options.html#compose">-compose</a> methods can modify the 'destination'
-image outside the overlay area. You can disable this by setting the special <a href="command-line-options.html#set">-set</a> '<code>option:compose:outside-overlay</code>'
+image outside the overlay area. You can disable this by setting the special <a
+href="command-line-options.html#set">-set</a> '<code>option:compose:outside-overlay</code>'
to '<code>false</code>'. </p>
<p>The SVG compositing specification requires that color and opacity values range between zero and QuantumRange inclusive. You can permit values outside this range with this option: <a href="command-line-options.html#set">-set</a> '<code>option:compose:clamp=false</code></p>
<div style="margin: auto;">
- <h4><a id="compress"></a>-compress <var>type</var></h4>
+ <h3 class="magick-header"><a id="compress"></a>-compress <var>type</var></h3>
</div>
<p class="magick-description">Use pixel compression specified by <var>type</var> when writing the image.</p>
-<p>Choices are: <code>None</code>, <code>BZip</code>, <code>Fax</code>, <code>Group4</code>, <code>JPEG</code>, <code>JPEG2000</code>, <code>Lossless</code>, <code>LZW</code>, <code>RLE</code> or <code>Zip</code>.</p>
+<p>Choices are: <code>None</code>, <code>BZip</code>, <code
+>Fax</code>, <code>Group4</code>, <code
+>JPEG</code>, <code>JPEG2000</code>, <code
+>Lossless</code>, <code>LZW</code>, <code
+>RLE</code> or <code>Zip</code>.</p>
<p>To print a complete list of compression types, use <a href="command-line-options.html#list">-list
compress</a>.</p>
@@ -1521,15 +1567,15 @@
the chroma channels.</p>
<div style="margin: auto;">
- <h4><a id="connected-components"></a>-connected-components <var>connectivity</var></h4>
+ <h3 class="magick-header"><a id="connected-components"></a>-connected-components <var>connectivity</var></h3>
</div>
<p class="magick-description">connected-components uniquely labeled, choose from 4 or 8 way connectivity.</p>
-<p>Use <code><a href="command-line-options.html#define">-define</a> connected-components:verbose=true</code> to output statistics associated with each unique label.</p>
+<p>Use <code><a href="command-line-options.html#define" >-define</a> connected-components:verbose=true</code> to output statistics associated with each unique label.</p>
<div style="margin: auto;">
- <h4><a id="contrast"></a>-contrast</h4>
+ <h3 class="magick-header"><a id="contrast"></a>-contrast</h3>
</div>
<p class="magick-description">Enhance or reduce the image contrast.</p>
@@ -1546,20 +1592,22 @@
</pre>
<div style="margin: auto;">
- <h4><a id="contrast-stretch"></a>-contrast-stretch <var>black-point</var><br>-contrast-stretch <var>black-point</var>{x<var>white-point</var>}{<var>%</var>}}</h4>
+ <h3 class="magick-header"><a id="contrast-stretch"></a>-contrast-stretch <var>black-point</var><br />-contrast-stretch <var>black-point</var>{x<var>white-point</var>}{<var>%</var>}}</h3>
</div>
<p class="magick-description">Increase the contrast in an image by <var>stretching</var> the range of intensity values.</p>
<p>While performing the stretch, black-out at most <var>black-point</var> pixels and white-out at most <var>white-point</var> pixels. Or, if percent is used, black-out at most
-<var>black-point %</var> pixels and white-out at most <var>white-point %</var> pixels.</p>
+<var >black-point %</var> pixels and white-out at most <var>white-point %</var> pixels.</p>
-<p>Prior to ImageMagick 6.4.7-0, <a href="command-line-options.html#contrast-stretch">-contrast-stretch</a> will black-out at most <var>black-point</var> pixels and white-out at most <var>total pixels
+<p>Prior to ImageMagick 6.4.7-0, <a href="command-line-options.html#contrast-stretch"
+>-contrast-stretch</a> will black-out at most <var>black-point</var> pixels and white-out at most <var >total pixels
minus white-point</var> pixels. Or, if percent is used, black-out at most <var>black-point %</var> pixels and white-out at most <var>100% minus white-point %</var> pixels.</p>
<p>Note that <code>-contrast-stretch 0</code> will modify the image such that
the image's min and max values are stretched to 0 and <var>QuantumRange</var>, respectively, without any loss of data due to burn-out or
-clipping at either end. This is not the same as <a href="command-line-options.html#normalize">-normalize</a>, which is equivalent to <code>-contrast-stretch 0.15x0.05%</code> (or
+clipping at either end. This is not the same as <a href="command-line-options.html#normalize"
+>-normalize</a>, which is equivalent to <code>-contrast-stretch 0.15x0.05%</code> (or
prior to ImageMagick 6.4.7-0, <code>-contrast-stretch 2%x99%</code>).</p>
<p>Internally operator works by creating a histogram bin, and then uses that
@@ -1567,18 +1615,18 @@
originally fell into the same 'bin'. </p>
<p>All the channels are normalized in concert by the came amount so as to
-preserve color integrity, when the default <a href="command-line-options.html#channel">+channel</a>
-setting is in use. Specifying any other <a href="command-line-options.html#channel">-channel</a>
+preserve color integrity, when the default <a href="command-line-options.html#channel" >+channel</a>
+setting is in use. Specifying any other <a href="command-line-options.html#channel" >-channel</a>
setting will normalize the RGB channels independently.</p>
-<p>See also <a href="command-line-options.html#auto-level">-auto-level</a> for a 'perfect'
+<p>See also <a href="command-line-options.html#auto-level" >-auto-level</a> for a 'perfect'
normalization of mathematical images. </p>
<p>This operator is under review for re-development. </p>
<div style="margin: auto;">
- <h4><a id="convolve"></a>-convolve <var>kernel</var></h4>
+ <h3 class="magick-header"><a id="convolve"></a>-convolve <var>kernel</var></h3>
</div>
<p class="magick-description">Convolve an image with a user-supplied convolution kernel.</p>
@@ -1589,7 +1637,7 @@
supported, and therefore the number of entries in the specified <var>kernel</var> must be 3<sup>2</sup>=9, 5<sup>2</sup>=25,
7<sup>2</sup>=49, etc. </p>
-<p>Note that the <a href="command-line-options.html#convolve">‑convolve</a> operator supports the <a href="command-line-options.html#bias">‑bias</a> setting. This option shifts the convolution so that
+<p>Note that the <a href="command-line-options.html#convolve">‑convolve</a> operator supports the <a href="command-line-options.html#bias">‑bias</a> setting. This option shifts the convolution so that
positive and negative results are relative to a user-specified bias value.
This is important for non-HDRI compilations of ImageMagick when dealing with
convolutions that contain negative as well as positive values. This is
@@ -1597,16 +1645,18 @@
detection. Without an output bias, the negative values is clipped at zero.
</p>
-<p>When using an ImageMagick with the HDRI compile-time setting, <a href="command-line-options.html#bias">‑bias</a> is not needed, as ImageMagick is able to store/handle any
+<p>When using an ImageMagick with the HDRI compile-time setting, <a href="command-line-options.html#bias">‑bias</a> is not needed, as ImageMagick is able to store/handle any
negative results without clipping to the color value range (0..QuantumRange).
-See the discussion on HDRI implementations of ImageMagick on the page <a href="high-dynamic-range.html">High
-Dynamic-Range Images</a>. For more about HDRI go the ImageMagick <a href="http://www.imagemagick.org/Usage/basics/#hdri">Usage</a> pages or this
+See the discussion on HDRI implementations of ImageMagick on the page <a
+href="high-dynamic-range.html">High
+Dynamic-Range Images</a>. For more about HDRI go the ImageMagick <a
+href="http://www.imagemagick.org/Usage/basics/#hdri">Usage</a> pages or this
<a href="http://en.wikipedia.org/wiki/High_dynamic_range_imaging">Wikipedia</a>
entry. </p>
<div style="margin: auto;">
- <h4><a id="crop"></a>-crop <var>geometry</var>{<var>@</var>}{<var>!</var>}</h4>
+ <h3 class="magick-header"><a id="crop"></a>-crop <var>geometry</var>{<var>@</var>}{<var>!</var>}</h3>
</div>
<p class="magick-description">Cut out one or more rectangular regions of the image.</p>
@@ -1626,7 +1676,8 @@
left corner of the image. If the <a href="command-line-options.html#gravity">-gravity</a> option is
present with <code>NorthEast</code>, <code>East</code>, or <code>SouthEast</code>
gravity, it gives the distance leftward from the right edge of the image to
-the right edge of the cropping region. Similarly, if the <a href="command-line-options.html#gravity">-gravity</a> option is present with <code>SouthWest</code>,
+the right edge of the cropping region. Similarly, if the <a
+href="command-line-options.html#gravity">-gravity</a> option is present with <code>SouthWest</code>,
<code>South</code>, or <code>SouthEast</code> gravity, the distance is measured
upward between the bottom edges.</p>
@@ -1647,17 +1698,17 @@
special single pixel transparent 'missed' image is returned, and a 'crop
missed' warning given. </p>
-<p>It might be necessary to <a href="command-line-options.html#repage">+repage</a> the image prior to
+<p>It might be necessary to <a href="command-line-options.html#repage" >+repage</a> the image prior to
cropping the image to ensure the crop coordinate frame is relocated to the
upper-left corner of the visible image.
-Similarly you may want to use <a href="command-line-options.html#repage">+repage</a> after cropping to
+Similarly you may want to use <a href="command-line-options.html#repage" >+repage</a> after cropping to
remove the page offset that will be left behind. This is especially true when
you are going to write to an image format such as PNG that supports an image
offset.</p>
<div style="margin: auto;">
- <h4><a id="cycle"></a>-cycle <var>amount</var></h4>
+ <h3 class="magick-header"><a id="cycle"></a>-cycle <var>amount</var></h3>
</div>
<p class="magick-description">displace image colormap by amount.</p>
@@ -1667,7 +1718,7 @@
<div style="margin: auto;">
- <h4><a id="debug"></a>-debug <var>events</var></h4>
+ <h3 class="magick-header"><a id="debug"></a>-debug <var>events</var></h3>
</div>
<p class="magick-description">enable debug printout.</p>
@@ -1699,30 +1750,33 @@
<p>Use <a href="command-line-options.html#debug">+debug</a> to turn off all logging.</p>
-<p>Debugging may also be set using the <code>MAGICK_DEBUG</code> <a href="resources.html#environment">environment variable</a>. The allowed values for the <code>MAGICK_DEBUG</code>
+<p>Debugging may also be set using the <code>MAGICK_DEBUG</code> <a href="resources.html#environment"
+>environment variable</a>. The allowed values for the <code>MAGICK_DEBUG</code>
environment variable are the same as for the <a href="command-line-options.html#debug">-debug</a>
option.</p>
<div style="margin: auto;">
- <h4><a id="decipher"></a>-decipher <var>filename</var></h4>
+ <h3 class="magick-header"><a id="decipher"></a>-decipher <var>filename</var></h3>
</div>
<p class="magick-description">Decipher and restore pixels that were previously transformed by <a href="command-line-options.html#encipher">-encipher</a>.</p>
<p>Get the passphrase from the file specified by <var>filename</var>.</p>
-<p>For more information, see the webpage, <a href="../www/cipher.html">ImageMagick: Encipher or
+<p>For more information, see the webpage, <a
+href="../www/cipher.html">ImageMagick: Encipher or
Decipher an Image</a>.</p>
<div style="margin: auto;">
- <h4><a id="deconstruct"></a>-deconstruct</h4>
+ <h3 class="magick-header"><a id="deconstruct"></a>-deconstruct</h3>
</div>
<p class="magick-description">find areas that has changed between images </p>
-<p>Given a sequence of images all the same size, such as produced by <a href="command-line-options.html#coalesce">-coalesce</a>, replace the second and later images, with
+<p>Given a sequence of images all the same size, such as produced by <a
+href="command-line-options.html#coalesce">-coalesce</a>, replace the second and later images, with
a smaller image of just the area that changed relative to the previous image.
</p>
@@ -1735,7 +1789,7 @@
<div style="margin: auto;">
- <h4><a id="define"></a>-define <var>key</var>{<var>=value</var>}<var>...</var></h4>
+ <h3 class="magick-header"><a id="define"></a>-define <var>key</var>{<var>=value</var>}<var>...</var></h3>
</div>
<p class="magick-description">add specific global settings generally used to control coders and image processing operations.</p>
@@ -1743,7 +1797,8 @@
<p>This option creates one or more definitions for coders and decoders to use
while reading and writing image data. Definitions are generally used to
control image file format coder modules, and image processing operations,
-beyond what is provided by normal means. Defined settings are listed in <a href="command-line-options.html#verbose">-verbose</a> information ("<code>info:</code>" output format)
+beyond what is provided by normal means. Defined settings are listed in <a
+href="command-line-options.html#verbose" >-verbose</a> information ("<code>info:</code>" output format)
as "Artifacts". </p>
<p>If <var>value</var> is missing for a definition, an empty-valued
@@ -1752,7 +1807,8 @@
previously created. Use <a href="command-line-options.html#define">+define "*"</a> to remove all
existing definitions.</p>
-<p>The same 'artifact' settings can also be defined using the <a href="command-line-options.html#set">-set "option:<var>key</var>" "<var>value</var>"</a> option, which also allows the use of <a href="escape.html">Format and Print Image
+<p>The same 'artifact' settings can also be defined using the <a
+href="command-line-options.html#set" >-set "option:<var>key</var>" "<var>value</var>"</a> option, which also allows the use of <a href="escape.html" >Format and Print Image
Properties</a> in the defined value. </p>
<p>The <var>option</var> and <var>key</var> are case-independent (they are
@@ -1764,23 +1820,31 @@
<p>The following definitions are just some of the artifacts that are
available:</p>
-<dl>
-
-<dt>bmp:format=<var>value</var></dt>
- <dd> valid values are <var>bmp2</var>, <var>bmp3</var>,
+<table class="table table-condensed table-striped">
+ <tr>
+ <td>bmp:format=<var>value</var></td>
+ <td> valid values are <var>bmp2</var>, <var>bmp3</var>,
and <var>bmp4</var>. This option can be useful when the
method of prepending "BMP2:" to the output filename is inconvenient or
- is not available, such as when using the <a href="mogrify.html">mogrify</a> utility.</dd>
+ is not available, such as when using the <a href="mogrify.html">mogrify</a> utility.</td>
+ </tr>
-<dt>complex:snr=<var>value</var></dt>
- <dd>Set the divide SNR constant<a href="command-line-options.html#complex">-complex</a></dd>
+ <tr>
+ <td>complex:snr=<var>value</var></td>
+ <td>Set the divide SNR constant<a href="command-line-options.html#complex"
+ >-complex</a></td>
+ </tr>
-<dt>compose:args=<var>arguments</var></dt>
- <dd>Sets certain compose argument values when using convert ... -compose ...
- -composite. See <a href="compose.html">Image Composition</a></dd>
+ <tr>
+ <td>compose:args=<var>arguments</var></td>
+ <td>Sets certain compose argument values when using convert ... -compose ...
+ -composite. See <a href="compose.html"
+ >Image Composition</a></td>
+ </tr>
-<dt>convolve:scale=<var>{kernel_scale}[!^] [,{origin_addition}] [%]</var></dt>
- <dd>Defines the kernel scaling. The special flag ! automatically scales to
+ <tr>
+ <td>convolve:scale=<var>{kernel_scale}[!^] [,{origin_addition}] [%]</var></td>
+ <td>Defines the kernel scaling. The special flag ! automatically scales to
full dynamic range. The ! flag can be used in combination with a factor or
percent. The factor or percent is then applied after the automatic scaling.
An example is 50%!. This produces a result 50% darker than full dynamic
@@ -1790,148 +1854,224 @@
pixel of the kernel. This produces and effect that is like adding the image
that many times to the result of the filtered image. The typical value
is 1 so that the original image is added to the result of the convolution.
- The default is 0.</dd>
+ The default is 0.</td>
+ </tr>
-<dt>convolve:showkernel=<var>1</var></dt>
- <dd>Outputs (to 'standard error') all the information about a specified <a href="command-line-options.html#morphology">-morphology convolve</a> kernel.</dd>
+ <tr>
+ <td>convolve:showkernel=<var>1</var></td>
+ <td>Outputs (to 'standard error') all the information about a specified <a
+ href="command-line-options.html#morphology" >-morphology convolve</a> kernel.</td>
+ </tr>
-<dt>dcm:display-range=<var>reset</var></dt>
- <dd>Sets the display range to the minimum and maximum pixel values for the
- DCM image format.</dd>
+ <tr>
+ <td>dcm:display-range=<var>reset</var></td>
+ <td>Sets the display range to the minimum and maximum pixel values for the
+ DCM image format.</td>
+ </tr>
-<dt>dds:cluster-fit=<var>true|false</var></dt>
- <dd>Enables the dds cluster-fit.</dd>
+ <tr>
+ <td>dds:cluster-fit=<var>true|false</var></td>
+ <td>Enables the dds cluster-fit.</td>
+ </tr>
-<dt>dds:compression=<var>dxt1|dxt5|none</var></dt>
- <dd>Sets the dds compression.</dd>
+ <tr>
+ <td>dds:compression=<var>dxt1|dxt5|none</var></td>
+ <td>Sets the dds compression.</td>
+ </tr>
-<dt>dds:mipmaps=<var>value</var></dt>
- <dd>Sets the dds number of mipmaps.</dd>
+ <tr>
+ <td>dds:mipmaps=<var>value</var></td>
+ <td>Sets the dds number of mipmaps.</td>
+ </tr>
-<dt>dds:weight-by-alpha=<var>true|false</var></dt>
- <dd>Enables the dds alpha weighting.</dd>
+ <tr>
+ <td>dds:weight-by-alpha=<var>true|false</var></td>
+ <td>Enables the dds alpha weighting.</td>
+ </tr>
-<dt>delegate:bimodal=<var>true</var></dt>
- <dd>Specifies direct conversion from Postscript to PDF.</dd>
+ <tr>
+ <td>delegate:bimodal=<var>true</var></td>
+ <td>Specifies direct conversion from Postscript to PDF.</td>
+ </tr>
-<dt>distort:scale=<var>value</var></dt>
- <dd>Sets the output scaling factor for use with <a href="command-line-options.html#distort">-distort</a></dd>
+ <tr>
+ <td>distort:scale=<var>value</var></td>
+ <td>Sets the output scaling factor for use with <a href="command-line-options.html#distort"
+ >-distort</a></td>
+ </tr>
-<dt>distort:viewport=<var>WxH+X+Y</var></dt>
- <dd>Sets the viewport for use with <a href="command-line-options.html#distort">-distort</a></dd>
+ <tr>
+ <td>distort:viewport=<var>WxH+X+Y</var></td>
+ <td>Sets the viewport for use with <a href="command-line-options.html#distort">-distort</a></td>
+ </tr>
-<dt>dot:layout-engine=<var>value</var></dt>
- <dd>Specifies the layout engine for the DOT image format (e.g.
- <code>neato</code>).</dd>
+ <tr>
+ <td>dot:layout-engine=<var>value</var></td>
+ <td>Specifies the layout engine for the DOT image format (e.g.
+ <code>neato</code>).</td>
+ </tr>
-<dt>filter:option=<var>value</var></dt>
- <dd>Set a filter option for use with <a href="command-line-options.html#resize">-resize</a>.
- See <a href="command-line-options.html#filter">-filter</a> for details.</dd>
+ <tr>
+ <td>filter:option=<var>value</var></td>
+ <td>Set a filter option for use with <a href="command-line-options.html#resize">-resize</a>.
+ See <a href="command-line-options.html#filter">-filter</a> for details.</td>
+ </tr>
-<dt>fourier:normalize=<var>inverse</var></dt>
- <dd>Sets the location for the FFT/IFT normalization as use by
+ <tr>
+ <td>fourier:normalize=<var>inverse</var></td>
+ <td>Sets the location for the FFT/IFT normalization as use by
<a href="command-line-options.html#fft">+-fft</a> and <a href="command-line-options.html#ift">+-ift</a>. The default is
- forward.</dd>
+ forward.</td>
+ </tr>
-<dt>icon:auto-resize</dt>
- <dd>Automatically stores multiple sizes when writing an ico image
- (requires a 256x256 input image).</dd>
+ <tr>
+ <td>icon:auto-resize</td>
+ <td>Automatically stores multiple sizes when writing an ico image
+ (requires a 256x256 input image).</td>
+ </tr>
-<dt>jp2:layer-number=<var>value</var></dt>
- <dd>Sets the maximum number of quality layers to decode. Same for JPT, JC2,
- and J2K</dd>
+ <tr>
+ <td>jp2:layer-number=<var>value</var></td>
+ <td>Sets the maximum number of quality layers to decode. Same for JPT, JC2,
+ and J2K</td>
+ </tr>
-<dt>jp2:number-resolutions=<var>value</var></dt>
- <dd>Sets the number of resolutions to encode.Same for JPT, JC2, and J2K</dd>
+ <tr>
+ <td>jp2:number-resolutions=<var>value</var></td>
+ <td>Sets the number of resolutions to encode.Same for JPT, JC2, and J2K</td>
+ </tr>
-<dt>jp2:progression-order=<var>value</var></dt>
- <dd>choose from LRCP, RLCP, RPCL, PCRL or CPRL. Same for JPT, JC2, and
- J2K</dd>
+ <tr>
+ <td>jp2:progression-order=<var>value</var></td>
+ <td>choose from LRCP, RLCP, RPCL, PCRL or CPRL. Same for JPT, JC2, and
+ J2K</td>
+ </tr>
-<dt>jp2:quality=<var>value,value...</var></dt>
- <dd>Sets the quality layer PSNR, given in dB. The order is from left to
+ <tr>
+ <td>jp2:quality=<var>value,value...</var></td>
+ <td>Sets the quality layer PSNR, given in dB. The order is from left to
right in ascending order. The default is a single lossless quality layer.
- Same for JPT, JC2, and J2K</dd>
+ Same for JPT, JC2, and J2K</td>
+ </tr>
-<dt>jp2:rate=<var>value</var></dt>
- <dd>Specify the compression factor to use while writing JPEG-2000 files. The
+ <tr>
+ <td>jp2:rate=<var>value</var></td>
+ <td>Specify the compression factor to use while writing JPEG-2000 files. The
compression factor is the reciprocal of the compression ratio. The valid
range is 0.0 to 1.0, with 1.0 indicating lossless compression. If defined,
this value overrides the -quality setting. A quality setting of 75
- results in a rate value of 0.06641. Same for JPT, JC2, and J2K</dd>
+ results in a rate value of 0.06641. Same for JPT, JC2, and J2K</td>
+ </tr>
-<dt>jp2:reduce-factor=<var>value</var></dt>
- <dd>Sets the number of highest resolution levels to be discarded.Same for
- JPT, JC2, and J2K</dd>
+ <tr>
+ <td>jp2:reduce-factor=<var>value</var></td>
+ <td>Sets the number of highest resolution levels to be discarded.Same for
+ JPT, JC2, and J2K</td>
+ </tr>
-<dt>jpeg:block-smoothing=<var>on|off</var></dt>
+ <tr>
+ <td>jpeg:block-smoothing=<var>on|off</var></td>
-<dt>jpeg:colors=<var>value</var></dt>
- <dd>Set the desired number of colors and let the JPEG encoder do the
- quantizing.</dd>
+ <tr>
+ <td>jpeg:colors=<var>value</var></td>
+ <td>Set the desired number of colors and let the JPEG encoder do the
+ quantizing.</td>
+ </tr>
-<dt>jpeg:dct-method=<var>value</var></dt>
- <dd>Choose from <code>default</code>, <code>fastest</code>,
- <code>float</code>, <code>ifast</code>, and <code>islow</code>.</dd>
+ <tr>
+ <td>jpeg:dct-method=<var>value</var></td>
+ <td>Choose from <code>default</code>, <code>fastest</code>,
+ <code>float</code>, <code>ifast</code>, and <code>islow</code>.</td>
+ </tr>
-<dt>jpeg:extent=<var>value</var></dt>
- <dd>Restrict the maximum JPEG file size, for example <code>-define
+ <tr>
+ <td>jpeg:extent=<var>value</var></td>
+ <td>Restrict the maximum JPEG file size, for example <code>-define
jpeg:extent=400KB</code>. The JPEG encoder will search for the highest
compression quality level that results in an output file that does not
exceed the value. The <code>-quality</code> option is ignored if it
- is also present.</dd>
+ is also present.</td>
+ </tr>
-<dt>jpeg:fancy-upsampling=<var>on|off</var></dt>
+ <tr>
+ <td>jpeg:fancy-upsampling=<var>on|off</var></td>
-<dt>jpeg:optimize-coding=<var>on|off</var></dt>
+ <tr>
+ <td>jpeg:optimize-coding=<var>on|off</var></td>
-<dt>jpeg:q-table=<var>table</var></dt>
+ <tr>
+ <td>jpeg:q-table=<var>table</var></td>
-<dt>jpeg:sampling-factor=<var>sampling-factor-string</var></dt>
+ <tr>
+ <td>jpeg:sampling-factor=<var>sampling-factor-string</var></td>
-<dt>jpeg:size=<var>geometry</var></dt>
- <dd>Set the size hint of a JPEG image, for
+ <tr>
+ <td>jpeg:size=<var>geometry</var></td>
+ <td>Set the size hint of a JPEG image, for
example, <code>-define jpeg:size=128x128</code>.
It is most useful for increasing performance and reducing the memory
- requirements when reducing the size of a large JPEG image.</dd>
+ requirements when reducing the size of a large JPEG image.</td>
+ </tr>
-<dt>json:features</dt>
- <dd>includes features in verbose information</dd>
+ <tr>
+ <td>json:features</td>
+ <td>includes features in verbose information</td>
+ </tr>
-<dt>json:limit</dt>
+ <tr>
+ <td>json:limit</td>
-<dt>json:locate</dt>
+ <tr>
+ <td>json:locate</td>
-<dt>json:moments</dt>
- <dd>includes image moments in verbose information</dd>
+ <tr>
+ <td>json:moments</td>
+ <td>includes image moments in verbose information</td>
+ </tr>
-<dt>mng:need-cacheoff</dt>
- <dd>turn playback caching off for streaming MNG.</dd>
+ <tr>
+ <td>mng:need-cacheoff</td>
+ <td>turn playback caching off for streaming MNG.</td>
+ </tr>
-<dt>morphology:compose=<var>compose-method</var></dt>
- <dd>Specifies how to merge results generated by multiple<a href="command-line-options.html#morphology">-morphology</a> kernel. The default is none. One
+ <tr>
+ <td>morphology:compose=<var>compose-method</var></td>
+ <td>Specifies how to merge results generated by multiple<a
+ href="command-line-options.html#morphology" >-morphology</a> kernel. The default is none. One
typical value is 'lighten' as used, for example, with the sobel edge
- kernels. </dd>
+ kernels. </td>
+ </tr>
-<dt>morphology:showkernel=<var>1</var></dt>
- <dd>Outputs (to 'standard error') all the information about a generated <a href="command-line-options.html#morphology">-morphology</a> kernel.</dd>
+ <tr>
+ <td>morphology:showkernel=<var>1</var></td>
+ <td>Outputs (to 'standard error') all the information about a generated <a
+ href="command-line-options.html#morphology" >-morphology</a> kernel.</td>
+ </tr>
-<dt>pcl:fit-to-page=<var>true</var></dt>
+ <tr>
+ <td>pcl:fit-to-page=<var>true</var></td>
-<dt>pdf:fit-page=<var>geometry</var></dt>
- <dd> geometry specifies the scaling dimensions for resizing when the PDF is
+ <tr>
+ <td>pdf:fit-page=<var>geometry</var></td>
+ <td> geometry specifies the scaling dimensions for resizing when the PDF is
being read. The geometry is either WxH{%} or page size. No offsets are
- allowed. (introduced in IM 6.8.8-8)</dd>
+ allowed. (introduced in IM 6.8.8-8)</td>
+ </tr>
-<dt>pdf:fit-to-page=<var>true</var></dt>
+ <tr>
+ <td>pdf:fit-to-page=<var>true</var></td>
-<dt>pdf:use-cropbox=<var>true</var></dt>
+ <tr>
+ <td>pdf:use-cropbox=<var>true</var></td>
-<dt>pdf:use-trimbox=<var>true</var></dt>
+ <tr>
+ <td>pdf:use-trimbox=<var>true</var></td>
-<dt>png:bit-depth=<var>value</var></dt>
-<dt>png:color-type=<var>value</var></dt>
- <dd>desired bit-depth and color-type for PNG output. You can force the PNG
+ <tr>
+ <td>png:bit-depth=<var>value</var></td>
+ <tr>
+ <td>png:color-type=<var>value</var></td>
+ <td>desired bit-depth and color-type for PNG output. You can force the PNG
encoder to use a different bit-depth and color-type than it would have
normally selected, but only if this does not cause any loss of image
quality. Any attempt to reduce image quality is treated as an error and no
@@ -1944,28 +2084,36 @@
reduce the image quality prior to using the PNG encoder. Note that in
indexed PNG files, "bit-depth" refers to the number of bits per index,
which can be 1, 2, 4, or 8. In such files, the color samples always have
- 8-bit depth.</dd>
+ 8-bit depth.</td>
+ </tr>
-<dt>png:compression-filter=<var>value</var></dt>
- <dd> valid values are 0 through 9. 0-4 are the corresponding PNG filters,
+ <tr>
+ <td>png:compression-filter=<var>value</var></td>
+ <td> valid values are 0 through 9. 0-4 are the corresponding PNG filters,
5 means adaptive filtering except for images with a colormap, 6 means
adaptive filtering for all images, 7 means MNG "loco" compression, 8 means
Z_RLE strategy with adaptive filtering, and 9 means Z_RLE strategy with no
- filtering.</dd>
+ filtering.</td>
+ </tr>
-<dt>png:compression-level=<var>value</var></dt>
- <dd> valid values are 0 through 9, with 0 providing the least but fastest
- compression and 9 usually providing the best and always the slowest.</dd>
+ <tr>
+ <td>png:compression-level=<var>value</var></td>
+ <td> valid values are 0 through 9, with 0 providing the least but fastest
+ compression and 9 usually providing the best and always the slowest.</td>
+ </tr>
-<dt>png:compression-strategy=<var>value</var></dt>
- <dd> valid values are 0 through 4, meaning default, filtered, huffman_only,
+ <tr>
+ <td>png:compression-strategy=<var>value</var></td>
+ <td> valid values are 0 through 4, meaning default, filtered, huffman_only,
rle, and fixed ZLIB compression strategy. If you are using an old zlib
that does not support Z_RLE (before 1.2.0) or Z_FIXED (before 1.2.2.2),
values 3 and 4, respectively, will use the zlib default strategy
- instead.</dd>
+ instead.</td>
+ </tr>
-<dt>png:format=<var>value</var></dt>
- <dd> valid values are <var>png8</var>, <var>png24</var>,
+ <tr>
+ <td>png:format=<var>value</var></td>
+ <td> valid values are <var>png8</var>, <var>png24</var>,
<var>png32</var>, <var>png48</var>,
<var>png64</var>, and <var>png00</var>.
This property can be useful for specifying
@@ -1983,12 +2131,15 @@
written in a PNG <code>tRNS</code> chunk.
Value = <var>png00</var> causes the image to inherit its
color-type and bit-depth from the input image, if the input was also
- a PNG.</dd>
+ a PNG.</td>
+ </tr>
-<dt>png:exclude-chunk=<var>value</var></dt>
+ <tr>
+ <td>png:exclude-chunk=<var>value</var></td>
-<dt>png:include-chunk=<var>value</var></dt>
- <dd>ancillary chunks to be excluded from or included in PNG output.
+ <tr>
+ <td>png:include-chunk=<var>value</var></td>
+ <td>ancillary chunks to be excluded from or included in PNG output.
<p>The <var>value</var> can be the name of a PNG chunk-type such
as <var>bKGD</var>, a comma-separated list of chunk-names
@@ -2008,7 +2159,7 @@
can achieve this with a single define:</p>
<pre>
- -define png:include-chunk=none,gAMA
+-define png:include-chunk=none,gAMA
</pre>
<p>As a special case, if the <code>sRGB</code> chunk is not excluded and
@@ -2032,7 +2183,7 @@
following for PNG output:</p>
<pre>
- -define png:exclude-chunk=EXIF,iCCP,iTXt,sRGB,tEXt,zCCP,zTXt,date
+-define png:exclude-chunk=EXIF,iCCP,iTXt,sRGB,tEXt,zCCP,zTXt,date
</pre>
<p>The default behavior is to include all known PNG ancillary chunks
@@ -2050,16 +2201,20 @@
<p>You can also put <code>date</code> in the list to include or exclude
the "Date:create" and "Date:modify" text chunks that ImageMagick normally
- inserts in the output PNG.</p></dd>
+ inserts in the output PNG.</p></td>
+ </tr>
-<dt>png:preserve-colormap[=<var>true</var>]</dt>
- <dd>Use the existing image->colormap. Normally the PNG encoder will
+ <tr>
+ <td>png:preserve-colormap[=<var>true</var>]</td>
+ <td>Use the existing image->colormap. Normally the PNG encoder will
try to optimize the palette, eliminating unused entries and putting
the transparent colors first. If this flag is set, that behavior
- is suppressed.</dd>
+ is suppressed.</td>
+ </tr>
-<dt>png:preserve-iCCP[=<var>true</var>]</dt>
- <dd>By default, the PNG decoder and encoder examine any ICC profile
+ <tr>
+ <td>png:preserve-iCCP[=<var>true</var>]</td>
+ <td>By default, the PNG decoder and encoder examine any ICC profile
that is present, either from an <code>iCCP</code> chunk in the PNG
input or supplied via an option, and if the profile is recognized
to be the sRGB profile, converts it to the <code>sRGB</code> chunk.
@@ -2071,69 +2226,99 @@
profiles are recognized anyhow and converted to the <code>sRGB</code>
chunk, but are rejected if the <code>-define png:preserve-iCCP</code>
is present. Note that not all "sRGB" ICC profiles are recognized
- yet; we will add them to the list as we encounter them.</dd>
+ yet; we will add them to the list as we encounter them.</td>
+ </tr>
-<dt>png:swap-bytes[=<var>true</var>]</dt>
- <dd>The PNG specification requires that any multi-byte integers be stored in
+ <tr>
+ <td>png:swap-bytes[=<var>true</var>]</td>
+ <td>The PNG specification requires that any multi-byte integers be stored in
network byte order (MSB-LSB endian). This option allows you to
fix any invalid PNG files that have 16-bit samples stored incorrectly
in little-endian order (LSB-MSB). The "-define png:swap-bytes" option
must appear before the input filename on the commandline. The swapping
- is done during the libpng decoding operation.</dd>
+ is done during the libpng decoding operation.</td>
+ </tr>
-<dt>profile:skip=<var>name1,name2,...</var></dt>
- <dd>Skip the named profile[s] when reading the image. Use skip="*" to
+ <tr>
+ <td>profile:skip=<var>name1,name2,...</var></td>
+ <td>Skip the named profile[s] when reading the image. Use skip="*" to
skip all named profiles in the image. Many named profiles exist,
- including ICC, EXIF, APP1, IPTC, XMP, and others.</dd>
+ including ICC, EXIF, APP1, IPTC, XMP, and others.</td>
+ </tr>
-<dt>ps:imagemask</dt>
- <dd>If the ps:imagemask flag is defined, the PS3 and EPS3 coders will create
+ <tr>
+ <td>ps:imagemask</td>
+ <td>If the ps:imagemask flag is defined, the PS3 and EPS3 coders will create
Postscript files that render bilevel images with the Postscript imagemask
- operator instead of the image operator.</dd>
+ operator instead of the image operator.</td>
+ </tr>
-<dt>quantum:format=<var>type</var></dt>
- <dd>Set the type to <code>floating-point</code> to specify a floating-point
+ <tr>
+ <td>quantum:format=<var>type</var></td>
+ <td>Set the type to <code>floating-point</code> to specify a floating-point
format for raw files (e.g. GRAY:) or for MIFF and TIFF images in HDRI mode
to preserve negative values. If <a href="command-line-options.html#depth">-depth</a> 16 is
included, the result is a single precision floating point format.
If <a href="command-line-options.html#depth">-depth</a> 32 is included, the result is
- double precision floating point format.</dd>
+ double precision floating point format.</td>
+ </tr>
-<dt>quantum:polarity=<var>photometric-interpretation</var></dt>
- <dd>Set the photometric-interpretation of an image (typically for TIFF image
+ <tr>
+ <td>quantum:polarity=<var>photometric-interpretation</var></td>
+ <td>Set the photometric-interpretation of an image (typically for TIFF image
file format) to either <code>min-is-black</code> (default) or
- <code>min-is-white</code>.</dd>
+ <code>min-is-white</code>.</td>
+ </tr>
-<dt>sample:offset=<var>geometry</var></dt>
- <dd>Location of the sampling point within the sub-region being sampled,
- expressed as percentages (see <a href="command-line-options.html#sample">-sample</a>).</dd>
+ <tr>
+ <td>sample:offset=<var>geometry</var></td>
+ <td>Location of the sampling point within the sub-region being sampled,
+ expressed as percentages (see <a href="command-line-options.html#sample" >-sample</a>).</td>
+ </tr>
-<dt>showkernel=<var>1</var></dt>
- <dd>Outputs (to 'standard error') all the information about a generated <a href="command-line-options.html#morphology">-morphology</a> kernel.</dd>
+ <tr>
+ <td>showkernel=<var>1</var></td>
+ <td>Outputs (to 'standard error') all the information about a generated <a
+ href="command-line-options.html#morphology" >-morphology</a> kernel.</td>
+ </tr>
-<dt>stream:buffer-size=<var>value</var></dt>
- <dd>Set the stream buffer size. Select 0 for unbuffered I/O.</dd>
+ <tr>
+ <td>stream:buffer-size=<var>value</var></td>
+ <td>Set the stream buffer size. Select 0 for unbuffered I/O.</td>
+ </tr>
-<dt>tiff:alpha=<var>associated|unassociated|unspecified</var></dt>
- <dd>Specify the alpha extra samples as associated, unassociated or unspecified </dd>
+ <tr>
+ <td>tiff:alpha=<var>associated|unassociated|unspecified</var></td>
+ <td>Specify the alpha extra samples as associated, unassociated or unspecified </td>
+ </tr>
-<dt>tiff:endian=<var>msb|lsb</var></dt>
+ <tr>
+ <td>tiff:endian=<var>msb|lsb</var></td>
-<dt>tiff:exif-properties=<var>false</var></dt>
- <dd>Skips reading the EXIF properties.</dd>
+ <tr>
+ <td>tiff:exif-properties=<var>false</var></td>
+ <td>Skips reading the EXIF properties.</td>
+ </tr>
-<dt>tiff:fill-order=<var>msb|lsb</var></dt>
+ <tr>
+ <td>tiff:fill-order=<var>msb|lsb</var></td>
-<dt>tiff:ignore-tags=<var>comma-separate-list-of-tag-IDs</var></dt>
- <dd>Allows one or more tag ID values to be ignored.</dd>
+ <tr>
+ <td>tiff:ignore-tags=<var>comma-separate-list-of-tag-IDs</var></td>
+ <td>Allows one or more tag ID values to be ignored.</td>
+ </tr>
-<dt>tiff:rows-per-strip=<var>value</var></dt>
- <dd>Sets the number of rows per strip</dd>
+ <tr>
+ <td>tiff:rows-per-strip=<var>value</var></td>
+ <td>Sets the number of rows per strip</td>
+ </tr>
-<dt>tiff:tile-geometry=<var>WxH</var></dt>
- <dd>Sets the tile size for pyramid tiffs. Requires the suffix
- PTIF: before the outputname</dd>
-</dl>
+ <tr>
+ <td>tiff:tile-geometry=<var>WxH</var></td>
+ <td>Sets the tile size for pyramid tiffs. Requires the suffix
+ PTIF: before the outputname</td>
+ </tr>
+</table>
<p>For example, to create a postscript file that will render only the black
pixels of a bilevel image, use:</p>
@@ -2146,12 +2331,12 @@
<code>registry:</code>. For example, to set a temporary path to put work files,
use:</p>
-<p class="crtsnip">
+<pre>
-define registry:temporary-path=/data/tmp
-</p>
+</pre>
<div style="margin: auto;">
- <h4><a id="delay"></a>-delay <var>ticks</var> <br>-delay <var>ticks</var>x<var>ticks-per-second</var> {<var><</var>} {<var>></var>}</h4>
+ <h3 class="magick-header"><a id="delay"></a>-delay <var>ticks</var> <br />-delay <var>ticks</var>x<var>ticks-per-second</var> {<var><</var>} {<var>></var>}</h3>
</div>
<p class="magick-description">display the next image after pausing.</p>
@@ -2172,7 +2357,7 @@
<div style="margin: auto;">
- <h4><a id="delete"></a>-delete <var>indexes</var></h4>
+ <h3 class="magick-header"><a id="delete"></a>-delete <var>indexes</var></h3>
</div>
<p class="magick-description">delete the images specified by index, from the image sequence.</p>
@@ -2185,7 +2370,7 @@
<div style="margin: auto;">
- <h4><a id="density"></a>-density <var>width</var><br>-density <var>width</var>x<var>height</var></h4>
+ <h3 class="magick-header"><a id="density"></a>-density <var>width</var><br />-density <var>width</var>x<var>height</var></h3>
</div>
<p class="magick-description">Set the horizontal and vertical resolution of an image for rendering to devices.</p>
@@ -2194,7 +2379,8 @@
image or the canvas resolution while rendering (reading) vector formats such
as Postscript, PDF, WMF, and SVG into a raster image. Image resolution
provides the unit of measure to apply when rendering to an output device or
-raster image. The default unit of measure is in dots per inch (DPI). The <a href="command-line-options.html#units">-units</a> option may be used to select dots per centimeter
+raster image. The default unit of measure is in dots per inch (DPI). The <a
+href="command-line-options.html#units">-units</a> option may be used to select dots per centimeter
instead.</p>
<p>The default resolution is 72 dots per inch, which is equivalent to one
@@ -2218,7 +2404,7 @@
resolution, use the <a href="command-line-options.html#resample">-resample</a> option.</p>
<div style="margin: auto;">
- <h4><a id="depth"></a>-depth <var>value</var></h4>
+ <h3 class="magick-header"><a id="depth"></a>-depth <var>value</var></h3>
</div>
<p class="magick-description">depth of the image.</p>
@@ -2228,13 +2414,13 @@
or CMYK, or to change the depth of any image after it has been read.</p>
<div style="margin: auto;">
- <h4><a id="descend"></a>-descend</h4>
+ <h3 class="magick-header"><a id="descend"></a>-descend</h3>
</div>
<p class="magick-description">obtain image by descending window hierarchy.</p>
<div style="margin: auto;">
- <h4><a id="deskew"></a>-deskew <var>threshold</var></h4>
+ <h3 class="magick-header"><a id="deskew"></a>-deskew <var>threshold</var></h3>
</div>
<p class="magick-description">straighten an image. A threshold of 40% works for most images.</p>
@@ -2244,19 +2430,19 @@
width of the image background (e.g 40).</p>
<div style="margin: auto;">
- <h4><a id="despeckle"></a>-despeckle</h4>
+ <h3 class="magick-header"><a id="despeckle"></a>-despeckle</h3>
</div>
<p class="magick-description">reduce the speckles within an image.</p>
<div style="margin: auto;">
- <h4><a id="direction"></a>-direction <var>type</var></h4>
+ <h3 class="magick-header"><a id="direction"></a>-direction <var>type</var></h3>
</div>
<p class="magick-description">render text right-to-left or left-to-right.</p>
<div style="margin: auto;">
- <h4><a id="displace"></a>-displace <var>horizontal-scale</var><br>-displace <var>horizontal-scale</var>x<var>vertical-scale</var></h4>
+ <h3 class="magick-header"><a id="displace"></a>-displace <var>horizontal-scale</var><br />-displace <var>horizontal-scale</var>x<var>vertical-scale</var></h3>
</div>
<p class="magick-description">shift image pixels as defined by a displacement map.</p>
@@ -2316,7 +2502,7 @@
<div style="margin: auto;">
- <h4><a id="display"></a>-display <var>host:display[.screen]</var></h4>
+ <h3 class="magick-header"><a id="display"></a>-display <var>host:display[.screen]</var></h3>
</div>
<p class="magick-description">Specifies the X server to contact.</p>
@@ -2325,7 +2511,7 @@
X server. See <var>X(1)</var>.</p>
<div style="margin: auto;">
- <h4><a id="dispose"></a>-dispose <var>method</var></h4>
+ <h3 class="magick-header"><a id="dispose"></a>-dispose <var>method</var></h3>
</div>
<p class="magick-description">define the GIF disposal image setting for images that are being created or read in. </p>
@@ -2337,33 +2523,33 @@
<p>Here are the valid methods:</p>
-<pre>
- Undefined 0 No disposal specified (equivalent to '<code>none</code>').
- None 1 Do not dispose, just overlay next frame image.
- Background 2 Clear the frame area with the background color.
- Previous 3 Clear to the image prior to this frames overlay.
-</pre>
+<dl class="dl-horizontal">
+<dt>Undefined</dt><dd>0: No disposal specified (equivalent to '<code>none</code>').</dd>
+<dt>None</dt><dd>1: Do not dispose, just overlay next frame image.</dd>
+<dt>Background</dt><dd>2: Clear the frame area with the background color.</dd>
+<dt>Previous</dt><dd>3: Clear to the image prior to this frames overlay.</dd>
+</dl>
<p>You can also use the numbers given above, which is what the GIF format
uses internally to represent the above settings. </p>
<p>To print a complete list of dispose methods, use <a href="command-line-options.html#list">-list dispose</a>.</p>
-<p>Use <a href="command-line-options.html#dispose">+dispose</a>, turn off the setting and prevent
+<p>Use <a href="command-line-options.html#dispose" >+dispose</a>, turn off the setting and prevent
resetting the layer disposal methods of images being read in. </p>
<p>Use <a href="command-line-options.html#set">-set</a> '<code>dispose</code>' method to set the image
disposal method for images already in memory.</p>
<div style="margin: auto;">
- <h4><a id="dissimilarity-threshold"></a>-dissimilarity-threshold <var>value</var></h4>
+ <h3 class="magick-header"><a id="dissimilarity-threshold"></a>-dissimilarity-threshold <var>value</var></h3>
</div>
<p class="magick-description">maximum RMSE for subimage match (default 0.2).</p>
<div style="margin: auto;">
- <h4><a id="dissolve"></a>-dissolve <var>src_percent</var>[x<var>dst_percent</var>]</h4>
+ <h3 class="magick-header"><a id="dissolve"></a>-dissolve <var>src_percent</var>[x<var>dst_percent</var>]</h3>
</div>
<p class="magick-description">dissolve an image into another by the given percent.</p>
@@ -2379,7 +2565,7 @@
images, you would need to use dissolve values of '50,100'. </p>
<div style="margin: auto;">
- <h4><a id="distort"></a>-distort <var>method arguments</var></h4>
+ <h3 class="magick-header"><a id="distort"></a>-distort <var>method arguments</var></h3>
</div>
<p class="magick-description">distort an image, using the given <var>method</var> and its required <var>arguments</var>.</p>
@@ -2398,21 +2584,19 @@
<tr>
<td><code>ScaleRotateTranslate</code>
- <br>or <code>SRT</code></td>
+ <br/>or <code>SRT</code></td>
<td>
Distort image by first scaling and rotating about a given 'center',
before translating that 'center' to the new location, in that order. It
is an alternative method of specifying a '<code>Affine</code>' type of
distortion, but without shearing effects. It also provides a good way
of rotating and displacing a smaller image for tiling onto a larger
- background (IE 2-dimensional animations). <br>
+ background (IE 2-dimensional animations). <br/>
The number of arguments determine the specific meaning of each
- argument for the scales, rotation, and translation operations. <br>
+ argument for the scales, rotation, and translation operations. <br/>
- <table style="margin-left:auto; margin-right:auto;">
- <tr><td># </td><td>arguments meaning</td></tr>
- <tr><td>1:</td><td><var>Angle_of_Rotation</var></td></tr>
+ <table class="table table-condensed table-striped">
<tr><td>2:</td><td><var>Scale Angle</var></td></tr>
<tr><td>3:</td><td><var>X,Y Angle</var></td></tr>
<tr><td>4:</td><td><var>X,Y Scale Angle</var></td></tr>
@@ -2436,7 +2620,7 @@
point values are given allowing the image to be linearly scaled,
rotated, sheared, and translated, according to those three points. See
also the related '<code>AffineProjection</code>' and '<code>SRT</code>'
- distortions. <br>
+ distortions. <br/>
More than 3 sets given control point pairs (12 numbers) is least
squares fitted to best match a linear affine distortion. If only 2
@@ -2444,7 +2628,7 @@
rotation and scaling is performed, without any possible shearing,
flipping or changes in aspect ratio to the resulting image. If only one
control point pair is provides the image is only translated, (which may
- be a floating point non-integer translation). <br>
+ be a floating point non-integer translation). <br/>
This distortion does not include any form of perspective distortion.
</td>
@@ -2464,34 +2648,35 @@
t<sub>x</sub>, t<sub>y</sub>
</var></div>
- See <a href="command-line-options.html#affine">-affine</a> setting for more detail, and
- meanings of these coefficients. <br>
+ See <a href="command-line-options.html#affine" >-affine</a> setting for more detail, and
+ meanings of these coefficients. <br/>
The distortions '<code>Affine</code>' and '<code>SRT</code>' provide
alternative methods of defining this distortion, with ImageMagick doing
the calculations needed to generate the required coefficients. You can
- see the internally generated coefficients, by using a <a href="command-line-options.html#verbose">-verbose</a> setting with those other variants. </td>
+ see the internally generated coefficients, by using a <a
+ href="command-line-options.html#verbose" >-verbose</a> setting with those other variants. </td>
</tr>
<tr>
- <td><code>BilinearForward</code><br>
+ <td><code>BilinearForward</code><br/>
<code>BilinearReverse</code></td>
<td>
Bilinear Distortion, given a minimum of 4 sets of coordinate pairs, or
16 values (see below). Not that lines may not appear straight after
distortion, though the distance between coordinates will remain
- consistent. <br>
+ consistent. <br/>
The '<code>BilinearForward</code>' is used to map rectangles to any
quadrilateral, while the '<code>BilinearReverse</code>' form maps any
quadrilateral to a rectangle, while preserving the straight line edges
- in each case. <br>
+ in each case. <br/>
Note that '<code>BilinearForward</code>' can generate invalid pixels
- which will be colored using the <a href="command-line-options.html#mattecolor">-mattecolor</a>
+ which will be colored using the <a href="command-line-options.html#mattecolor" >-mattecolor</a>
color setting. Also if the quadrilateral becomes 'flipped' the image
- may disappear. <br>
+ may disappear. <br/>
There are future plans to produce a true Bilinear distortion that will
attempt to map any quadrilateral to any other quadrilateral, while
@@ -2508,12 +2693,12 @@
control points provide least squares fitting for more accurate
distortions (for the purposes of image registration and panorama
effects). Less than 4 sets will fall back to a '<code>Affine</code>'
- linear distortion. <br>
+ linear distortion. <br/>
Perspective Distorted images ensures that straight lines remain
straight, but the scale of the distorted image will vary. The horizon
is anti-aliased, and the 'sky' color may be set using the
- <a href="command-line-options.html#mattecolor">-mattecolor</a> setting. </td>
+ <a href="command-line-options.html#mattecolor" >-mattecolor</a> setting. </td>
</tr>
<tr>
@@ -2521,7 +2706,7 @@
<td>
Do a '<code>Perspective</code>' distortion biased on a set of 8
pre-calculated coefficients. You can get these coefficients by looking
- at the <a href="command-line-options.html#verbose">-verbose</a> output of a
+ at the <a href="command-line-options.html#verbose" >-verbose</a> output of a
'<code>Perspective</code>' distortion, or by calculating them yourself.
If the last two perspective scaling coefficients are zero, the
remaining 6 represents a transposed 'Affine Matrix'. </td>
@@ -2532,8 +2717,8 @@
<td><code>Arc</code></td>
<td>
Arc the image (variation of polar mapping) over the angle given around
- a circle. <br>
- <table width="90%" style="margin-left: auto; margin-right: auto;">
+ a circle. <br/>
+ <table class="table table-condensed table-striped">
<tr><td>Argument</td>
<td>Meaning</td></tr>
<tr><td><var>arc_angle</var></td>
@@ -2547,10 +2732,10 @@
</table>
The resulting image is always resized to best fit the resulting image,
- (as if using <a href="command-line-options.html#distort">+distort</a>) while attempting to
+ (as if using <a href="command-line-options.html#distort" >+distort</a>) while attempting to
preserve scale and aspect ratio of the original image as much as
possible with the arguments given by the user. All four arguments will
- be needed to change the overall aspect ratio of an 'Arc'ed image. <br>
+ be needed to change the overall aspect ratio of an 'Arc'ed image. <br/>
This a variation of a polar distortion designed to try to preserve the
aspect ratio of the image rather than direct Cartesian to Polar
@@ -2563,9 +2748,9 @@
Like '<code>Arc</code>' but do a complete Cartesian to Polar mapping of
the image. that is the height of the input image is mapped to the
radius limits, while the width is wrapped around between the
- angle limits. <br>
+ angle limits. <br/>
- Arguments: <var>Rmax,Rmin CenterX,CenterY, start,end_angle</var> <br>
+ Arguments: <var>Rmax,Rmin CenterX,CenterY, start,end_angle</var> <br/>
All arguments are optional. With <var>Rmin</var> defaulting to zero, the
center to the center of the image, and the angles going from -180 (top)
@@ -2576,9 +2761,9 @@
'<code>-1</code>' will use the distance from the center to the furthest
corner, This may 'clip' the corners from the input rectangular image,
but will generate the exact reverse of a '<code>DePolar</code>' with
- the same arguments. <br>
+ the same arguments. <br/>
- If the plus form of distort (<a href="command-line-options.html#distort">+distort</a>) is used
+ If the plus form of distort (<a href="command-line-options.html#distort" >+distort</a>) is used
output image center will default to <code>0,0</code> of the virtual
canvas, and the image size adjusted to ensure the whole input image is
made visible in the output image on the virtual canvas. </td>
@@ -2589,7 +2774,7 @@
<td><code>DePolar</code></td>
<td>
Uses the same arguments and meanings as a '<code>Polar</code>' distortion
- but generates the reverse Polar to Cartesian distortion. <br>
+ but generates the reverse Polar to Cartesian distortion. <br/>
The special <var>Rmax</var> setting of '<code>0</code>' may however clip
the corners of the input image. However using the special
@@ -2609,24 +2794,25 @@
<tr>
<td><code>Barrel</code></td>
<td>
- Given the four coefficients (A,B,C,D) as defined by <a href="http://wiki.panotools.org/Lens_correction_model">Helmut
+ Given the four coefficients (A,B,C,D) as defined by <a
+ href="http://wiki.panotools.org/Lens_correction_model" >Helmut
Dersch</a>, perform a barrel or pin-cushion distortion appropriate to
correct radial lens distortions. That is in photographs, make straight
- lines straight again. <br>
+ lines straight again. <br/>
Arguments: <var>A B C</var> [ <var>D</var> [
- <var>X</var> , <var>Y</var> ] ] <br>
+ <var>X</var> , <var>Y</var> ] ] <br/>
or <var>A<sub>x</sub> B<sub>x</sub> C<sub>x</sub> D<sub>x</sub>
A<sub>y</sub> B<sub>y</sub> C<sub>y</sub> D<sub>y</sub></var>
- [ <var>X</var> , <var>Y</var> ] <br>
- So that it forms the function <br>
+ [ <var>X</var> , <var>Y</var> ] <br/>
+ So that it forms the function <br/>
Rsrc = r * ( <var>A</var>*r<sup>3</sup> + <var>B</var>*r<sup>2</sup> +
- <var>C</var>*r + <var>D</var> )<br>
+ <var>C</var>*r + <var>D</var> )<br/>
Where <var>X</var>,<var>Y</var> is the optional center of the distortion
- (defaulting to the center of the image). <br>
+ (defaulting to the center of the image). <br/>
The second form is typically used to distort images, rather than
- correct lens distortions. <br>
+ correct lens distortions. <br/>
</td>
</tr>
@@ -2637,9 +2823,9 @@
This is very similar to '<code>Barrel</code>' with the same set of
arguments, and argument handling. However it uses the inverse
of the radial polynomial,
- so that it forms the function <br>
+ so that it forms the function <br/>
Rsrc = r / ( <var>A</var>*r<sup>3</sup> + <var>B</var>*r<sup>2</sup> +
- <var>C</var>*r + <var>D</var> )<br>
+ <var>C</var>*r + <var>D</var> )<br/>
Note that this is not the reverse of the '<code>Barrel</code>'
distortion, just a different barrel-like radial distortion method.
@@ -2650,20 +2836,22 @@
<td><code>Shepards</code></td>
<td>
Distort the given list control points (any number) using an Inverse
- Squared Distance Interpolation Method (<a href="http://en.wikipedia.org/wiki/Shepard%27s_method">Shepards
+ Squared Distance Interpolation Method (<a
+ href="http://en.wikipedia.org/wiki/Shepard%27s_method" >Shepards
Method</a>). The control points in effect do 'localized' displacement
of the image around the given control point (preserving the look and
the rotation of the area near the control points. For best results
extra control points should be added to 'lock' the positions of the
corners, edges and other unchanging parts of the image, to prevent
- their movement. <br>
+ their movement. <br/>
The distortion has been likened to 'taffy pulling' using nails, or
pins' stuck in a block of 'jelly' which is then moved to the new
- position, distorting the surface of the jelly. <br>
+ position, distorting the surface of the jelly. <br/>
- Internally it is equivalent to generating a displacement map (see <a href="command-line-options.html#displace">-displace</a>) for source image color look-up using
- the <a href="command-line-options.html#sparse-color">-sparse-color</a> method of the same name.
+ Internally it is equivalent to generating a displacement map (see <a
+ href="command-line-options.html#displace" >-displace</a>) for source image color look-up using
+ the <a href="command-line-options.html#sparse-color" >-sparse-color</a> method of the same name.
</td>
</tr>
@@ -2697,8 +2885,8 @@
<pre>
convert rose: -virtual-pixel black \
- -distort Perspective '0,0,0,0 0,45,0,45 69,0,60,10 69,45,60,35' \
- rose_3d_rotated.gif"
+ -distort Perspective '0,0,0,0 0,45,0,45 69,0,60,10 69,45,60,35' \
+ rose_3d_rotated.gif"
</pre>
<p>If more that the required number of coordinate pairs are given for
@@ -2714,7 +2902,7 @@
'fit' worse. Caution is always advised. </p>
<p>Colors are acquired from the source image according to a cylindrical
-resampling <a href="command-line-options.html#filter">-filter</a>, using a special technique known as
+resampling <a href="command-line-options.html#filter" >-filter</a>, using a special technique known as
EWA resampling. This produces very high quality results, especially when
images become smaller (minified) in the output, which is very common when
using '<code>perspective</code>' distortion. For example here we view
@@ -2722,60 +2910,63 @@
<pre>
convert -size 90x90 pattern:checkerboard -normalize -virtual-pixel tile \
- -distort perspective '0,0,5,45 89,0,45,46 0,89,0,89 89,89,89,89' \
- checks_tiled.jpg
+ -distort perspective '0,0,5,45 89,0,45,46 0,89,0,89 89,89,89,89' \
+ checks_tiled.jpg
</pre>
<p>Note that a infinitely tiled perspective images involving the horizon can
be very slow, because of the number of pixels that are compressed to generate
each individual pixel close to the 'horizon'. You can turn off EWA
-resampling, by specifing the special <a href="command-line-options.html#filter">-filter</a> setting of
+resampling, by specifing the special <a href="command-line-options.html#filter" >-filter</a> setting of
'<code>point</code>' (recommended if you plan to use super-sampling instead).
</p>
<p>If an image generates <i>invalid pixels</i>, such as the 'sky' in the last
-example, <a href="command-line-options.html#distort">-distort</a> will use the current <a href="command-line-options.html#mattecolor">-mattecolor</a> setting for these pixels. If you do not
+example, <a href="command-line-options.html#distort" >-distort</a> will use the current <a
+href="command-line-options.html#mattecolor" >-mattecolor</a> setting for these pixels. If you do not
what these pixels to be visible, set the color to match the rest of the
ground. </p>
<p>The output image size will by default be the same as the input image. This
means that if the part of the distorted image falls outside the viewed area of
the 'distorted space', those parts is clipped and lost. However if you use
-the plus form of the operator (<a href="command-line-options.html#distort">+distort</a>) the operator
+the plus form of the operator (<a href="command-line-options.html#distort" >+distort</a>) the operator
will attempt (if possible) to show the whole of the distorted image, while
retaining a correct 'virtual canvas' offset, for image layering. This offset
-may need to be removed using <a href="command-line-options.html#repage">+repage</a>, to remove if it
+may need to be removed using <a href="command-line-options.html#repage" >+repage</a>, to remove if it
is unwanted. </p>
-<p>Setting <a href="command-line-options.html#verbose">-verbose</a> setting, will cause <a href="command-line-options.html#distort">-distort</a> to attempt to output the internal coefficients,
-and the <a href="command-line-options.html#fx">-fx</a> equivalent to the distortion, for expert study,
+<p>Setting <a href="command-line-options.html#verbose" >-verbose</a> setting, will cause <a
+href="command-line-options.html#distort" >-distort</a> to attempt to output the internal coefficients,
+and the <a href="command-line-options.html#fx" >-fx</a> equivalent to the distortion, for expert study,
and debugging purposes. This many not be available for all distorts. </p>
-<p>You can alternatively specify a special "<code><a href="command-line-options.html#define">-define</a> distort:viewport={geometry_string}</code>" setting which will
+<p>You can alternatively specify a special "<code><a href="command-line-options.html#define"
+>-define</a> distort:viewport={geometry_string}</code>" setting which will
specify the size and the offset of the generated 'viewport' image of the
distorted image space.</p>
-<p>Setting a "<code><a href="command-line-options.html#define">-define</a>
+<p>Setting a "<code><a href="command-line-options.html#define" >-define</a>
distort:scale={scale_factor}</code>" will scale the output image (viewport or
otherwise) by that factor without changing the viewed contents of the
distorted image. This can be used either for 'super-sampling' the image for
a higher quality result, or for panning and zooming around the image (with
appropriate viewport changes, or post-distort cropping and resizing). </p>
-<p>Setting "<code><a href="command-line-options.html#define">-define</a> resample:verbose=1</code>"
+<p>Setting "<code><a href="command-line-options.html#define" >-define</a> resample:verbose=1</code>"
will output the cylindrical filter lookup table created by the EWA (Elliptical
Weighted Average) resampling algorithm. Note this table uses a squared radius
lookup value. This is typically only used for debugging EWA resampling. </p>
<div style="margin: auto;">
- <h4><a id="distribute-cache"></a>-distribute-cache <var>port</var></h4>
+ <h3 class="magick-header"><a id="distribute-cache"></a>-distribute-cache <var>port</var></h3>
</div>
<p class="magick-description">launch a distributed pixel cache server. </p>
<div style="margin: auto;">
- <h4><a id="dither"></a>-dither <var>method</var></h4>
+ <h3 class="magick-header"><a id="dither"></a>-dither <var>method</var></h3>
</div>
<p class="magick-description">Apply a Riemersma or Floyd-Steinberg error diffusion dither to
@@ -2795,19 +2986,22 @@
image coloring. Generally resulting in 'color banding' effects in areas with
color gradients. </p>
-<p>The color reduction operators <a href="command-line-options.html#colors">-colors</a>, <a href="command-line-options.html#monochrome">-monochrome</a>, <a href="command-line-options.html#remap%20">-remap</a>, and <a href="command-line-options.html#posterize">-posterize</a>, apply dithering to images using the reduced
+<p>The color reduction operators <a href="command-line-options.html#colors">-colors</a>, <a
+href="command-line-options.html#monochrome">-monochrome</a>, <a href="command-line-options.html#remap ">-remap</a>, and <a
+href="command-line-options.html#posterize">-posterize</a>, apply dithering to images using the reduced
color set they created. These operators are also used as part of automatic
color reduction when saving images to formats with limited color support, such
as <code>GIF:</code>, <code>XBM:</code>, and others, so dithering may also be used
in these cases. </p>
<p>Alternatively you can use <a href="command-line-options.html#random-threshold">-random-threshold</a>
-to generate purely random dither. Or use <a href="command-line-options.html#ordered-dither">-ordered-dither</a> to apply threshold mapped dither
+to generate purely random dither. Or use <a
+href="command-line-options.html#ordered-dither">-ordered-dither</a> to apply threshold mapped dither
patterns, using uniform color maps, rather than specific color maps. </p>
<div style="margin: auto;">
- <h4><a id="draw"></a>-draw <var>string</var></h4>
+ <h3 class="magick-header"><a id="draw"></a>-draw <var>string</var></h3>
</div>
<p class="magick-description">Annotate an image with one or more graphic primitives.</p>
@@ -2819,60 +3013,65 @@
<p>The shape primitives:</p>
<pre>
- point x,y
- line x0,y0 x1,y1
- rectangle x0,y0 x1,y1
- roundRectangle x0,y0 x1,y1 wc,hc
- arc x0,y0 x1,y1 a0,a1
- ellipse x0,y0 rx,ry a0,a1
- circle x0,y0 x1,y1
- polyline x0,y0 ... xn,yn
- polygon x0,y0 ... xn,yn
- bezier x0,y0 ... xn,yn
- path path specification
- image operator x0,y0 w,h filename
+point x,y
+line x0,y0 x1,y1
+rectangle x0,y0 x1,y1
+roundRectangle x0,y0 x1,y1 wc,hc
+arc x0,y0 x1,y1 a0,a1
+ellipse x0,y0 rx,ry a0,a1
+circle x0,y0 x1,y1
+polyline x0,y0 ... xn,yn
+polygon x0,y0 ... xn,yn
+bezier x0,y0 ... xn,yn
+path specification
+image operator x0,y0 w,h filename
</pre>
<p>The text primitive:</p>
<pre>
- text x0,y0 string
+text x0,y0 string
</pre>
<p>The text gravity primitive:</p>
<pre>
- gravity NorthWest, North, NorthEast, West, Center,
- East, SouthWest, South, or SouthEast
+gravity NorthWest, North, NorthEast, West, Center,
+ East, SouthWest, South, or SouthEast
</pre>
<p>The text gravity primitive only affects the placement of text and does not
-interact with the other primitives. It is equivalent to using the <a href="command-line-options.html#gravity">-gravity</a> command-line option, except that it is limited in
+interact with the other primitives. It is equivalent to using the <a
+href="command-line-options.html#gravity">-gravity</a> command-line option, except that it is limited in
scope to the <a href="command-line-options.html#draw">-draw</a> option in which it appears.</p>
<p>The transformation primitives:</p>
<pre>
- rotate degrees
- translate dx,dy
- scale sx,sy
- skewX degrees
- skewY degrees
+rotate degrees
+translate dx,dy
+scale sx,sy
+skewX degrees
+skewY degrees
</pre>
<p>The pixel operation primitives:</p>
<pre>
- color x0,y0 method
- matte x0,y0 method
+color x0,y0 method
+matte x0,y0 method
</pre>
-<p>The shape primitives are drawn in the color specified by the preceding <a href="command-line-options.html#fill">-fill</a> setting. For unfilled shapes, use <a href="command-line-options.html#fill">-fill none</a>. You can optionally control the stroke (the
-"outline" of a shape) with the <a href="command-line-options.html#stroke">-stroke</a> and <a href="command-line-options.html#strokewidth">-strokewidth</a> settings.</p>
+<p>The shape primitives are drawn in the color specified by the preceding <a
+href="command-line-options.html#fill">-fill</a> setting. For unfilled shapes, use <a
+href="command-line-options.html#fill">-fill none</a>. You can optionally control the stroke (the
+"outline" of a shape) with the <a href="command-line-options.html#stroke">-stroke</a> and <a
+href="command-line-options.html#strokewidth">-strokewidth</a> settings.</p>
<p>A <code>point</code> primitive is specified by a single <var>point</var> in the
pixel plane, that is, by an ordered pair of integer coordinates,
<var>x</var>,<var>y</var>. (As it involves only a single pixel, a <code>point</code>
-primitive is not affected by <a href="command-line-options.html#stroke">-stroke</a> or <a href="command-line-options.html#strokewidth">-strokewidth</a>.)</p>
+primitive is not affected by <a href="command-line-options.html#stroke">-stroke</a> or <a
+href="command-line-options.html#strokewidth">-strokewidth</a>.)</p>
<p>A <code>line</code> primitive requires a start point and end point.</p>
@@ -2901,7 +3100,8 @@
<p>The <code>polyline</code> and <code>polygon</code> primitives require three or
more points to define their perimeters. A <code>polyline</code> is simply
a <code>polygon</code> in which the final point is not stroked to the start
-point. When unfilled, this is a <var>polygonal line</var>. If the <a href="command-line-options.html#stroke">-stroke</a> setting is <code>none</code> (the default), then
+point. When unfilled, this is a <var>polygonal line</var>. If the <a
+href="command-line-options.html#stroke">-stroke</a> setting is <code>none</code> (the default), then
a <code>polyline</code> is identical to a <code>polygon</code>. </p>
<p>A <var>coordinate</var> is a pair of integers separated by a space or
@@ -2910,9 +3110,9 @@
<p>As an example, to define a circle centered at 100,100 that extends to
150,150 use:</p>
-<p class="crtsnip">
- -draw 'circle 100,100 150,150'
-</p>
+<pre>
+-draw 'circle 100,100 150,150'
+</pre>
<p>The <code>Bezier</code> primitive creates a spline curve and requires three
or points to define its shape. The first and last points are the
@@ -2928,13 +3128,10 @@
<code>path</code> primitive or to draw multiple four-point bezier segments with
the start and end knots of each successive segment repeated. For example:</p>
-<p class="crtsnip">
- -draw 'bezier 20,50 45,100 45,0 70,50'
-</p>
-<p class="crtsnip">
- -draw 'bezier 70,50 95,100 95,0 120,50'
-</p>
-
+<pre>
+-draw 'bezier 20,50 45,100 45,0 70,50'
+-draw 'bezier 70,50 95,100 95,0 120,50'
+</pre>
<p>A <code>path</code> represents an outline of an object, defined in terms of
moveto (set a new current point), lineto (draw a straight line), curveto (draw
@@ -2942,15 +3139,16 @@
current shape by drawing a line to the last moveto) elements. Compound paths
(i.e., a path with subpaths, each consisting of a single moveto followed by
one or more line or curve operations) are possible to allow effects such as
-<var>donut holes</var> in objects. (See <a href="http://www.w3.org/TR/SVG/paths.html">Paths</a>.)</p>
+<var>donut holes</var> in objects. (See <a
+href="http://www.w3.org/TR/SVG/paths.html">Paths</a>.)</p>
<p>Use <code>image</code> to composite an image with another image. Follow the
image keyword with the composite operator, image location, image size, and
filename:</p>
-<p class="crtsnip">
- -draw 'image SrcOver 100,100 225,225 image.jpg'
-</p>
+<pre>
+-draw 'image SrcOver 100,100 225,225 image.jpg'
+</pre>
<p>You can use 0,0 for the image size, which means to use the actual
dimensions found in the image header. Otherwise, it is scaled to the given
@@ -2968,15 +3166,16 @@
<p>For example, the following annotates the image with <code>Works like
magick!</code> for an image titled <code>bird.miff</code>. </p>
-<p class="crtsnip">
- -draw "text 100,100 'Works like magick!' "
-</p>
+<pre>
+-draw "text 100,100 'Works like magick!' "
+</pre>
<p>See the <a href="command-line-options.html#annotate">-annotate</a> option for another convenient way
to annotate an image with text.</p>
<p>The <code>rotate</code> primitive rotates subsequent shape primitives and
-text primitives about the origin of the main image. If the <a href="command-line-options.html#region">-region</a> option precedes the <a href="command-line-options.html#draw">-draw</a>
+text primitives about the origin of the main image. If the <a
+href="command-line-options.html#region">-region</a> option precedes the <a href="command-line-options.html#draw">-draw</a>
option, the origin for transformations is the upper left corner of the
region.</p>
@@ -3001,11 +3200,11 @@
a method:</p>
<pre>
- point
- replace
- floodfill
- filltoborder
- reset
+point
+replace
+floodfill
+filltoborder
+reset
</pre>
<p>Consider the target pixel as that specified by your coordinate. The
@@ -3023,22 +3222,24 @@
value of any pixel that matches the color of the target pixel.
<code>Floodfill</code> changes the matte value of any pixel that matches the
color of the target pixel and is a neighbor, whereas <code>filltoborder</code>
-changes the matte value of any neighbor pixel that is not the border color (<a href="command-line-options.html#bordercolor">-bordercolor</a>). Finally <code>reset</code> changes the
+changes the matte value of any neighbor pixel that is not the border color (<a
+href="command-line-options.html#bordercolor">-bordercolor</a>). Finally <code>reset</code> changes the
matte value of all pixels.</p>
-<p>You can set the primitive color, font, and font bounding box color with <a href="command-line-options.html#fill">-fill</a>, <a href="command-line-options.html#font">-font</a>, and <a href="command-line-options.html#box">-box</a>
+<p>You can set the primitive color, font, and font bounding box color with <a
+href="command-line-options.html#fill">-fill</a>, <a href="command-line-options.html#font">-font</a>, and <a href="command-line-options.html#box">-box</a>
respectively. Options are processed in command line order so be sure to use
these options <var>before</var> the <a href="command-line-options.html#draw">-draw</a> option.</p>
<p>Strings that begin with a number must be quoted (e.g. use '1.png' rather
than 1.png).</p>
-<p>Drawing primitives conform to the <a href="magick-vector-graphics.html">Magick
+<p>Drawing primitives conform to the <a href="magick-vector-graphics.html" >Magick
Vector Graphics</a> format.</p>
<div style="margin: auto;">
- <h4><a id="duplicate"></a>-duplicate <var>count,indexes</var></h4>
+ <h3 class="magick-header"><a id="duplicate"></a>-duplicate <var>count,indexes</var></h3>
</div>
<p class="magick-description">duplicate an image one or more times.</p>
@@ -3051,32 +3252,33 @@
image sequence.</p>
<div style="margin: auto;">
- <h4><a id="edge"></a>-edge <var>radius</var></h4>
+ <h3 class="magick-header"><a id="edge"></a>-edge <var>radius</var></h3>
</div>
<p class="magick-description">detect edges within an image.</p>
<div style="margin: auto;">
- <h4><a id="emboss"></a>-emboss <var>radius</var></h4>
+ <h3 class="magick-header"><a id="emboss"></a>-emboss <var>radius</var></h3>
</div>
<p class="magick-description">emboss an image.</p>
<div style="margin: auto;">
- <h4><a id="encipher"></a>-encipher <var>filename</var></h4>
+ <h3 class="magick-header"><a id="encipher"></a>-encipher <var>filename</var></h3>
</div>
<p class="magick-description">Encipher pixels for later deciphering by <a href="command-line-options.html#decipher">-decipher</a>.</p>
<p>Get the passphrase from the file specified by <var>filename</var>.</p>
-<p>For more information, see the webpage, <a href="../www/cipher.html">ImageMagick: Encipher or
+<p>For more information, see the webpage, <a
+href="../www/cipher.html">ImageMagick: Encipher or
Decipher an Image</a>.</p>
<div style="margin: auto;">
- <h4><a id="encoding"></a>-encoding <var>type</var></h4>
+ <h3 class="magick-header"><a id="encoding"></a>-encoding <var>type</var></h3>
</div>
<p class="magick-description">specify the text encoding.</p>
@@ -3087,7 +3289,7 @@
<code>Symbol</code>, <code>Unicode</code>, <code>Wansung</code>.</p>
<div style="margin: auto;">
- <h4><a id="endian"></a>-endian <var>type</var></h4>
+ <h3 class="magick-header"><a id="endian"></a>-endian <var>type</var></h3>
</div>
<p class="magick-description">Specify endianness (<code>MSB</code> or <code>LSB</code>) of the image.</p>
@@ -3098,14 +3300,14 @@
<div style="margin: auto;">
- <h4><a id="enhance"></a>-enhance</h4>
+ <h3 class="magick-header"><a id="enhance"></a>-enhance</h3>
</div>
<p class="magick-description">Apply a digital filter to enhance a noisy image.</p>
<div style="margin: auto;">
- <h4><a id="equalize"></a>-equalize</h4>
+ <h3 class="magick-header"><a id="equalize"></a>-equalize</h3>
</div>
<p class="magick-description">perform histogram equalization on the image channel-by-channel.</p>
@@ -3123,13 +3325,13 @@
-colorspace RGB</code> ...</p>
<div style="margin: auto;">
- <h4><a id="evaluate"></a>-evaluate <var>operator value</var></h4>
+ <h3 class="magick-header"><a id="evaluate"></a>-evaluate <var>operator value</var></h3>
</div>
<p class="magick-description">Alter channel pixels by evaluating an arithmetic, relational, or logical expression.</p>
-<p>(See the <a href="command-line-options.html#function">-function</a> operator for some
-multi-parameter functions. See the <a href="command-line-options.html#fx">-fx</a> operator if more
+<p>(See the <a href="command-line-options.html#function" >-function</a> operator for some
+multi-parameter functions. See the <a href="command-line-options.html#fx" >-fx</a> operator if more
elaborate calculations are needed.)</p>
<p>The behaviors of each <var>operator</var> are summarized in the
@@ -3141,8 +3343,757 @@
calculations, to the full range by multiplying by <var>QuantumRange</var>.)</p>
<table class="table table-condensed table-striped">
- <col width="25%">
- <col width="75%">
+ <tr><td># </td><td>arguments meaning</td></tr>
+ <tr><td>1:</td><td><var>Angle_of_Rotation</var></td></tr>
+ <tr><td>2:</td><td><var>Scale Angle</var></td></tr>
+ <tr><td>3:</td><td><var>X,Y Angle</var></td></tr>
+ <tr><td>4:</td><td><var>X,Y Scale Angle</var></td></tr>
+ <tr><td>5:</td>
+ <td><var>X,Y ScaleX,ScaleY Angle</var></td></tr>
+ <tr><td>6:</td>
+ <td><var>X,Y Scale Angle NewX,NewY</var></td></tr>
+ <tr><td>7:</td>
+ <td><var>X,Y ScaleX,ScaleY Angle
+ NewX,NewY</var></td></tr>
+ </table>
+
+ This is actually an alternative way of specifying a 2 dimensional linear
+ '<code>Affine</code>' or '<code>AffineProjection</code>' distortion. </td> </tr>
+
+ <tr>
+ <td><code>Affine</code></td>
+ <td>
+ Distort the image linearly by moving a list of at least 3 or more sets
+ of control points (as defined below). Ideally 3 sets or 12 floating
+ point values are given allowing the image to be linearly scaled,
+ rotated, sheared, and translated, according to those three points. See
+ also the related '<code>AffineProjection</code>' and '<code>SRT</code>'
+ distortions. <br/>
+
+ More than 3 sets given control point pairs (12 numbers) is least
+ squares fitted to best match a linear affine distortion. If only 2
+ control point pairs (8 numbers) are given a two point image translation
+ rotation and scaling is performed, without any possible shearing,
+ flipping or changes in aspect ratio to the resulting image. If only one
+ control point pair is provides the image is only translated, (which may
+ be a floating point non-integer translation). <br/>
+
+ This distortion does not include any form of perspective distortion.
+ </td>
+
+ </tr>
+
+ <tr>
+ <td><code>AffineProjection</code></td>
+ <td>
+ Linearly distort an image using the given Affine Matrix of 6
+ pre-calculated coefficients forming a set of Affine Equations to map
+ the source image to the destination image.
+
+ <div style="text-align: center"><var>
+ s<sub>x</sub>, r<sub>x</sub>,
+ r<sub>y</sub>, s<sub>y</sub>,
+ t<sub>x</sub>, t<sub>y</sub>
+ </var></div>
+
+ See <a href="command-line-options.html#affine" >-affine</a> setting for more detail, and
+ meanings of these coefficients. <br/>
+
+ The distortions '<code>Affine</code>' and '<code>SRT</code>' provide
+ alternative methods of defining this distortion, with ImageMagick doing
+ the calculations needed to generate the required coefficients. You can
+ see the internally generated coefficients, by using a <a
+ href="command-line-options.html#verbose" >-verbose</a> setting with those other variants. </td>
+
+ </tr>
+
+ <tr>
+ <td><code>BilinearForward</code><br/>
+ <code>BilinearReverse</code></td>
+ <td>
+ Bilinear Distortion, given a minimum of 4 sets of coordinate pairs, or
+ 16 values (see below). Not that lines may not appear straight after
+ distortion, though the distance between coordinates will remain
+ consistent. <br/>
+
+ The '<code>BilinearForward</code>' is used to map rectangles to any
+ quadrilateral, while the '<code>BilinearReverse</code>' form maps any
+ quadrilateral to a rectangle, while preserving the straight line edges
+ in each case. <br/>
+
+ Note that '<code>BilinearForward</code>' can generate invalid pixels
+ which will be colored using the <a href="command-line-options.html#mattecolor" >-mattecolor</a>
+ color setting. Also if the quadrilateral becomes 'flipped' the image
+ may disappear. <br/>
+
+ There are future plans to produce a true Bilinear distortion that will
+ attempt to map any quadrilateral to any other quadrilateral, while
+ preserving edges (and edge distance ratios).
+
+ </td>
+ </tr>
+
+ <tr>
+ <td><code>Perspective</code></td>
+ <td>
+ Perspective distort the images, using a list of 4 or more sets of
+ control points (as defined below). More that 4 sets (16 numbers) of
+ control points provide least squares fitting for more accurate
+ distortions (for the purposes of image registration and panorama
+ effects). Less than 4 sets will fall back to a '<code>Affine</code>'
+ linear distortion. <br/>
+
+ Perspective Distorted images ensures that straight lines remain
+ straight, but the scale of the distorted image will vary. The horizon
+ is anti-aliased, and the 'sky' color may be set using the
+ <a href="command-line-options.html#mattecolor" >-mattecolor</a> setting. </td>
+ </tr>
+
+ <tr>
+ <td><code>PerspectiveProjection</code> </td>
+ <td>
+ Do a '<code>Perspective</code>' distortion biased on a set of 8
+ pre-calculated coefficients. You can get these coefficients by looking
+ at the <a href="command-line-options.html#verbose" >-verbose</a> output of a
+ '<code>Perspective</code>' distortion, or by calculating them yourself.
+ If the last two perspective scaling coefficients are zero, the
+ remaining 6 represents a transposed 'Affine Matrix'. </td>
+
+ </tr>
+
+ <tr>
+ <td><code>Arc</code></td>
+ <td>
+ Arc the image (variation of polar mapping) over the angle given around
+ a circle. <br/>
+ <table class="table table-condensed table-striped">
+ <tr><td>Argument</td>
+ <td>Meaning</td></tr>
+ <tr><td><var>arc_angle</var></td>
+ <td>The angle over which to arc the image side-to-side</td></tr>
+ <tr><td><var>rotate_angle</var></td>
+ <td>Angle to rotate resulting image from vertical center</td></tr>
+ <tr><td><var>top_radius</var></td>
+ <td>Set top edge of source image at this radius</td></tr>
+ <tr><td><var>bottom_radius</var> </td>
+ <td>Set bottom edge to this radius (radial scaling)</td></tr>
+ </table>
+
+ The resulting image is always resized to best fit the resulting image,
+ (as if using <a href="command-line-options.html#distort" >+distort</a>) while attempting to
+ preserve scale and aspect ratio of the original image as much as
+ possible with the arguments given by the user. All four arguments will
+ be needed to change the overall aspect ratio of an 'Arc'ed image. <br/>
+
+ This a variation of a polar distortion designed to try to preserve the
+ aspect ratio of the image rather than direct Cartesian to Polar
+ conversion. </td>
+ </tr>
+
+ <tr>
+ <td><code>Polar</code></td>
+ <td>
+ Like '<code>Arc</code>' but do a complete Cartesian to Polar mapping of
+ the image. that is the height of the input image is mapped to the
+ radius limits, while the width is wrapped around between the
+ angle limits. <br/>
+
+ Arguments: <var>Rmax,Rmin CenterX,CenterY, start,end_angle</var> <br/>
+
+ All arguments are optional. With <var>Rmin</var> defaulting to zero, the
+ center to the center of the image, and the angles going from -180 (top)
+ to +180 (top). If <var>Rmax</var> is given the special value of
+ '<code>0</code>', the the distance from the center to the nearest edge
+ is used for the radius of the output image, which will ensure the whole
+ image is visible (though scaled smaller). However a special value of
+ '<code>-1</code>' will use the distance from the center to the furthest
+ corner, This may 'clip' the corners from the input rectangular image,
+ but will generate the exact reverse of a '<code>DePolar</code>' with
+ the same arguments. <br/>
+
+ If the plus form of distort (<a href="command-line-options.html#distort" >+distort</a>) is used
+ output image center will default to <code>0,0</code> of the virtual
+ canvas, and the image size adjusted to ensure the whole input image is
+ made visible in the output image on the virtual canvas. </td>
+
+ </tr>
+
+ <tr>
+ <td><code>DePolar</code></td>
+ <td>
+ Uses the same arguments and meanings as a '<code>Polar</code>' distortion
+ but generates the reverse Polar to Cartesian distortion. <br/>
+
+ The special <var>Rmax</var> setting of '<code>0</code>' may however clip
+ the corners of the input image. However using the special
+ <var>Rmax</var> setting of '<code>-1</code>' (maximum center to corner
+ distance) will ensure the whole distorted image is preserved in the
+ generated result, so that the same argument to '<code>Polar</code>' will
+ reverse the distortion re-producing the original.
+
+ Note that as this distortion requires the area resampling of a circular
+ arc, which can not be handled by the builtin EWA resampling function.
+ As such the normal EWA filters are turned off. It is recommended some
+ form of 'super-sampling' image processing technique be used to produce
+ a high quality result. </td>
+
+ </tr>
+
+ <tr>
+ <td><code>Barrel</code></td>
+ <td>
+ Given the four coefficients (A,B,C,D) as defined by <a
+ href="http://wiki.panotools.org/Lens_correction_model" >Helmut
+ Dersch</a>, perform a barrel or pin-cushion distortion appropriate to
+ correct radial lens distortions. That is in photographs, make straight
+ lines straight again. <br/>
+
+ Arguments: <var>A B C</var> [ <var>D</var> [
+ <var>X</var> , <var>Y</var> ] ] <br/>
+ or <var>A<sub>x</sub> B<sub>x</sub> C<sub>x</sub> D<sub>x</sub>
+ A<sub>y</sub> B<sub>y</sub> C<sub>y</sub> D<sub>y</sub></var>
+ [ <var>X</var> , <var>Y</var> ] <br/>
+ So that it forms the function <br/>
+ Rsrc = r * ( <var>A</var>*r<sup>3</sup> + <var>B</var>*r<sup>2</sup> +
+ <var>C</var>*r + <var>D</var> )<br/>
+
+ Where <var>X</var>,<var>Y</var> is the optional center of the distortion
+ (defaulting to the center of the image). <br/>
+ The second form is typically used to distort images, rather than
+ correct lens distortions. <br/>
+ </td>
+
+ </tr>
+
+ <tr>
+ <td><code>BarrelInverse</code></td>
+ <td>
+ This is very similar to '<code>Barrel</code>' with the same set of
+ arguments, and argument handling. However it uses the inverse
+ of the radial polynomial,
+ so that it forms the function <br/>
+ Rsrc = r / ( <var>A</var>*r<sup>3</sup> + <var>B</var>*r<sup>2</sup> +
+ <var>C</var>*r + <var>D</var> )<br/>
+ Note that this is not the reverse of the '<code>Barrel</code>'
+ distortion, just a different barrel-like radial distortion method.
+
+ </td>
+ </tr>
+
+ <tr>
+ <td><code>Shepards</code></td>
+ <td>
+ Distort the given list control points (any number) using an Inverse
+ Squared Distance Interpolation Method (<a
+ href="http://en.wikipedia.org/wiki/Shepard%27s_method" >Shepards
+ Method</a>). The control points in effect do 'localized' displacement
+ of the image around the given control point (preserving the look and
+ the rotation of the area near the control points. For best results
+ extra control points should be added to 'lock' the positions of the
+ corners, edges and other unchanging parts of the image, to prevent
+ their movement. <br/>
+
+ The distortion has been likened to 'taffy pulling' using nails, or
+ pins' stuck in a block of 'jelly' which is then moved to the new
+ position, distorting the surface of the jelly. <br/>
+
+ Internally it is equivalent to generating a displacement map (see <a
+ href="command-line-options.html#displace" >-displace</a>) for source image color look-up using
+ the <a href="command-line-options.html#sparse-color" >-sparse-color</a> method of the same name.
+
+ </td>
+ </tr>
+
+</table>
+
+<p>To print a complete list of distortion methods, use <a href="command-line-options.html#list">-list
+distort</a>.</p>
+
+<p>Many of the above distortion methods such as '<code>Affine</code>',
+'<code>Perspective</code>', and '<code>Shepards</code>' use a list control points
+defining how these points in the given image should be distorted in the
+destination image. Each set of four floating point values represent a source
+image coordinate, followed immediately by the destination image coordinate.
+This produces a list of values such as...</p>
+<div style="text-align: center"><var>
+ U<sub>1</sub>,V<sub>1</sub> X<sub>1</sub>,Y<sub>1</sub>
+ U<sub>2</sub>,V<sub>2</sub> X<sub>2</sub>,Y<sub>2</sub>
+ U<sub>3</sub>,V<sub>3</sub> X<sub>3</sub>,Y<sub>3</sub>
+ ...
+ U<sub>n</sub>,V<sub>n</sub> X<sub>n</sub>,Y<sub>n</sub>
+</var></div>
+<p>where <var>U,V</var> on the source image is mapped to <var>X,Y</var> on the
+destination image. </p>
+
+<p>For example, to warp an image using '<code>perspective</code>' distortion,
+needs a list of at least 4 sets of coordinates, or 16 numbers. Here is the
+perspective distortion of the built-in "rose:" image. Note how spaces were
+used to group the 4 sets of coordinate pairs, to make it easier to read and
+understand.</p>
+
+<pre>
+convert rose: -virtual-pixel black \
+ -distort Perspective '0,0,0,0 0,45,0,45 69,0,60,10 69,45,60,35' \
+ rose_3d_rotated.gif"
+</pre>
+
+<p>If more that the required number of coordinate pairs are given for
+a distortion, the distortion method is 'least squares' fitted to produce the
+best result for all the coordinate pairs given. If less than the ideal number
+of points are given, the distort will generally fall back to a simpler form of
+distortion that can handles the smaller number of coordinates (usually a linear
+'<code>Affine</code>' distortion). </p>
+
+<p>By using more coordinates you can make use of image registration tool to
+find matching coordinate pairs in overlapping images, so as to improve the
+'fit' of the distortion. Of course a bad coordinate pair can also make the
+'fit' worse. Caution is always advised. </p>
+
+<p>Colors are acquired from the source image according to a cylindrical
+resampling <a href="command-line-options.html#filter" >-filter</a>, using a special technique known as
+EWA resampling. This produces very high quality results, especially when
+images become smaller (minified) in the output, which is very common when
+using '<code>perspective</code>' distortion. For example here we view
+a infinitely tiled 'plane' all the way to the horizon. </p>
+
+<pre>
+convert -size 90x90 pattern:checkerboard -normalize -virtual-pixel tile \
+ -distort perspective '0,0,5,45 89,0,45,46 0,89,0,89 89,89,89,89' \
+ checks_tiled.jpg
+</pre>
+
+<p>Note that a infinitely tiled perspective images involving the horizon can
+be very slow, because of the number of pixels that are compressed to generate
+each individual pixel close to the 'horizon'. You can turn off EWA
+resampling, by specifing the special <a href="command-line-options.html#filter" >-filter</a> setting of
+'<code>point</code>' (recommended if you plan to use super-sampling instead).
+</p>
+
+<p>If an image generates <i>invalid pixels</i>, such as the 'sky' in the last
+example, <a href="command-line-options.html#distort" >-distort</a> will use the current <a
+href="command-line-options.html#mattecolor" >-mattecolor</a> setting for these pixels. If you do not
+what these pixels to be visible, set the color to match the rest of the
+ground. </p>
+
+<p>The output image size will by default be the same as the input image. This
+means that if the part of the distorted image falls outside the viewed area of
+the 'distorted space', those parts is clipped and lost. However if you use
+the plus form of the operator (<a href="command-line-options.html#distort" >+distort</a>) the operator
+will attempt (if possible) to show the whole of the distorted image, while
+retaining a correct 'virtual canvas' offset, for image layering. This offset
+may need to be removed using <a href="command-line-options.html#repage" >+repage</a>, to remove if it
+is unwanted. </p>
+
+<p>Setting <a href="command-line-options.html#verbose" >-verbose</a> setting, will cause <a
+href="command-line-options.html#distort" >-distort</a> to attempt to output the internal coefficients,
+and the <a href="command-line-options.html#fx" >-fx</a> equivalent to the distortion, for expert study,
+and debugging purposes. This many not be available for all distorts. </p>
+
+<p>You can alternatively specify a special "<code><a href="command-line-options.html#define"
+>-define</a> distort:viewport={geometry_string}</code>" setting which will
+specify the size and the offset of the generated 'viewport' image of the
+distorted image space.</p>
+
+<p>Setting a "<code><a href="command-line-options.html#define" >-define</a>
+distort:scale={scale_factor}</code>" will scale the output image (viewport or
+otherwise) by that factor without changing the viewed contents of the
+distorted image. This can be used either for 'super-sampling' the image for
+a higher quality result, or for panning and zooming around the image (with
+appropriate viewport changes, or post-distort cropping and resizing). </p>
+
+<p>Setting "<code><a href="command-line-options.html#define" >-define</a> resample:verbose=1</code>"
+will output the cylindrical filter lookup table created by the EWA (Elliptical
+Weighted Average) resampling algorithm. Note this table uses a squared radius
+lookup value. This is typically only used for debugging EWA resampling. </p>
+
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="distribute-cache"></a>-distribute-cache <var>port</var></h3>
+</div>
+
+<p class="magick-description">launch a distributed pixel cache server. </p>
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="dither"></a>-dither <var>method</var></h3>
+</div>
+
+<p class="magick-description">Apply a Riemersma or Floyd-Steinberg error diffusion dither to
+images when general color reduction is applied via an option, or automagically
+when saving to specific formats. This enabled by default.</p>
+
+<p>Dithering places two or more colors in neighboring pixels so that to the
+eye a closer approximation of the images original color is reproduced. This
+reduces the number of colors needed to reproduce the image but at the cost of
+a lower level pattern of colors. Error diffusion dithers can use any set of
+colors (generated or user defined) to an image. </p>
+
+<p>Dithering is turned on by default, to turn it off use the plus form of the
+setting, <a href="command-line-options.html#dither">+dither</a>. This will also also render PostScript
+without text or graphic aliasing. Disabling dithering often (but not always)
+leads to faster process, a smaller number of colors, but more cartoon like
+image coloring. Generally resulting in 'color banding' effects in areas with
+color gradients. </p>
+
+<p>The color reduction operators <a href="command-line-options.html#colors">-colors</a>, <a
+href="command-line-options.html#monochrome">-monochrome</a>, <a href="command-line-options.html#remap ">-remap</a>, and <a
+href="command-line-options.html#posterize">-posterize</a>, apply dithering to images using the reduced
+color set they created. These operators are also used as part of automatic
+color reduction when saving images to formats with limited color support, such
+as <code>GIF:</code>, <code>XBM:</code>, and others, so dithering may also be used
+in these cases. </p>
+
+<p>Alternatively you can use <a href="command-line-options.html#random-threshold">-random-threshold</a>
+to generate purely random dither. Or use <a
+href="command-line-options.html#ordered-dither">-ordered-dither</a> to apply threshold mapped dither
+patterns, using uniform color maps, rather than specific color maps. </p>
+
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="draw"></a>-draw <var>string</var></h3>
+</div>
+
+<p class="magick-description">Annotate an image with one or more graphic primitives.</p>
+
+<p>Use this option to annotate or decorate an image with one or more graphic
+primitives. The primitives include shapes, text, transformations, and pixel
+operations.</p>
+
+<p>The shape primitives:</p>
+
+<pre>
+point x,y
+line x0,y0 x1,y1
+rectangle x0,y0 x1,y1
+roundRectangle x0,y0 x1,y1 wc,hc
+arc x0,y0 x1,y1 a0,a1
+ellipse x0,y0 rx,ry a0,a1
+circle x0,y0 x1,y1
+polyline x0,y0 ... xn,yn
+polygon x0,y0 ... xn,yn
+bezier x0,y0 ... xn,yn
+path specification
+image operator x0,y0 w,h filename
+</pre>
+
+<p>The text primitive:</p>
+
+<pre>
+text x0,y0 string
+</pre>
+<p>The text gravity primitive:</p>
+
+<pre>
+gravity NorthWest, North, NorthEast, West, Center,
+ East, SouthWest, South, or SouthEast
+</pre>
+
+<p>The text gravity primitive only affects the placement of text and does not
+interact with the other primitives. It is equivalent to using the <a
+href="command-line-options.html#gravity">-gravity</a> command-line option, except that it is limited in
+scope to the <a href="command-line-options.html#draw">-draw</a> option in which it appears.</p>
+
+<p>The transformation primitives:</p>
+
+<pre>
+rotate degrees
+translate dx,dy
+scale sx,sy
+skewX degrees
+skewY degrees
+</pre>
+
+<p>The pixel operation primitives:</p>
+
+<pre>
+color x0,y0 method
+matte x0,y0 method
+</pre>
+
+<p>The shape primitives are drawn in the color specified by the preceding <a
+href="command-line-options.html#fill">-fill</a> setting. For unfilled shapes, use <a
+href="command-line-options.html#fill">-fill none</a>. You can optionally control the stroke (the
+"outline" of a shape) with the <a href="command-line-options.html#stroke">-stroke</a> and <a
+href="command-line-options.html#strokewidth">-strokewidth</a> settings.</p>
+
+<p>A <code>point</code> primitive is specified by a single <var>point</var> in the
+pixel plane, that is, by an ordered pair of integer coordinates,
+<var>x</var>,<var>y</var>. (As it involves only a single pixel, a <code>point</code>
+primitive is not affected by <a href="command-line-options.html#stroke">-stroke</a> or <a
+href="command-line-options.html#strokewidth">-strokewidth</a>.)</p>
+
+<p>A <code>line</code> primitive requires a start point and end point.</p>
+
+<p>A <code>rectangle</code> primitive is specified by the pair of points at the
+upper left and lower right corners.</p>
+
+<p>A <code>roundRectangle</code> primitive takes the same corner points as
+a <code>rectangle</code> followed by the width and height of the rounded corners
+to be removed.</p>
+
+<p>The <code>circle</code> primitive makes a disk (filled) or circle (unfilled).
+Give the center and any point on the perimeter (boundary).</p>
+
+<p>The <code>arc</code> primitive is used to inscribe an elliptical segment in
+to a given rectangle. An <code>arc</code> requires the two corners used for
+<code>rectangle</code> (see above) followed by the start and end angles of the
+arc of the segment segment (e.g. 130,30 200,100 45,90). The start and end
+points produced are then joined with a line segment and the resulting segment
+of an ellipse is filled.</p>
+
+<p>Use <code>ellipse</code> to draw a partial (or whole) ellipse. Give the
+center point, the horizontal and vertical "radii" (the <var>semi-axes</var> of
+the ellipse) and start and end angles in degrees (e.g. 100,100 100,150
+0,360).</p>
+
+<p>The <code>polyline</code> and <code>polygon</code> primitives require three or
+more points to define their perimeters. A <code>polyline</code> is simply
+a <code>polygon</code> in which the final point is not stroked to the start
+point. When unfilled, this is a <var>polygonal line</var>. If the <a
+href="command-line-options.html#stroke">-stroke</a> setting is <code>none</code> (the default), then
+a <code>polyline</code> is identical to a <code>polygon</code>. </p>
+
+<p>A <var>coordinate</var> is a pair of integers separated by a space or
+optional comma. </p>
+
+<p>As an example, to define a circle centered at 100,100 that extends to
+150,150 use:</p>
+
+<pre>
+-draw 'circle 100,100 150,150'
+</pre>
+
+<p>The <code>Bezier</code> primitive creates a spline curve and requires three
+or points to define its shape. The first and last points are the
+<var>knots</var> and these points are attained by the curve, while any
+intermediate coordinates are <var>control points</var>. If two control points
+are specified, the line between each end knot and its sequentially respective
+control point determines the tangent direction of the curve at that end. If
+one control point is specified, the lines from the end knots to the one
+control point determines the tangent directions of the curve at each end. If
+more than two control points are specified, then the additional control points
+act in combination to determine the intermediate shape of the curve. In order
+to draw complex curves, it is highly recommended either to use the
+<code>path</code> primitive or to draw multiple four-point bezier segments with
+the start and end knots of each successive segment repeated. For example:</p>
+
+<pre>
+-draw 'bezier 20,50 45,100 45,0 70,50'
+-draw 'bezier 70,50 95,100 95,0 120,50'
+</pre>
+
+
+<p>A <code>path</code> represents an outline of an object, defined in terms of
+moveto (set a new current point), lineto (draw a straight line), curveto (draw
+a Bezier curve), arc (elliptical or circular arc) and closepath (close the
+current shape by drawing a line to the last moveto) elements. Compound paths
+(i.e., a path with subpaths, each consisting of a single moveto followed by
+one or more line or curve operations) are possible to allow effects such as
+<var>donut holes</var> in objects. (See <a
+href="http://www.w3.org/TR/SVG/paths.html">Paths</a>.)</p>
+
+<p>Use <code>image</code> to composite an image with another image. Follow the
+image keyword with the composite operator, image location, image size, and
+filename:</p>
+
+<pre>
+-draw 'image SrcOver 100,100 225,225 image.jpg'
+</pre>
+
+<p>You can use 0,0 for the image size, which means to use the actual
+dimensions found in the image header. Otherwise, it is scaled to the given
+dimensions. See <a href="compose.html">Alpha Compositing</a> for
+a detailed discussion of alpha composition methods that are available. </p>
+
+<p>The "special augmented compose operators" such as "dissolve" that require
+arguments cannot be used at present with the <code>-draw image</code> option.
+ </p>
+
+<p>Use <code>text</code> to annotate an image with text. Follow the text
+coordinates with a string. If the string has embedded spaces, enclose it in
+single or double quotes.</p>
+
+<p>For example, the following annotates the image with <code>Works like
+magick!</code> for an image titled <code>bird.miff</code>. </p>
+
+<pre>
+-draw "text 100,100 'Works like magick!' "
+</pre>
+
+<p>See the <a href="command-line-options.html#annotate">-annotate</a> option for another convenient way
+to annotate an image with text.</p>
+
+<p>The <code>rotate</code> primitive rotates subsequent shape primitives and
+text primitives about the origin of the main image. If the <a
+href="command-line-options.html#region">-region</a> option precedes the <a href="command-line-options.html#draw">-draw</a>
+option, the origin for transformations is the upper left corner of the
+region.</p>
+
+<p>The <code>translate</code> primitive translates subsequent shape and text
+primitives.</p>
+
+<p>The <code>scale</code> primitive scales them.</p>
+
+<p>The <code>skewX</code> and <code>skewY</code> primitives skew them with respect
+to the origin of the main image or the region.</p>
+
+<p>The transformations modify the current affine matrix, which is initialized
+from the initial affine matrix defined by the <a href="command-line-options.html#affine">-affine</a>
+option. Transformations are cumulative within the <a href="command-line-options.html#draw">-draw</a>
+option. The initial affine matrix is not affected; that matrix is only changed
+by the appearance of another <a href="command-line-options.html#affine">-affine</a> option. If another
+<a href="command-line-options.html#draw">-draw</a> option appears, the current affine matrix is
+reinitialized from the initial affine matrix.</p>
+
+<p>Use the <code>color</code> primitive to change the color of a pixel to the
+fill color (see <a href="command-line-options.html#fill">-fill</a>). Follow the pixel coordinate with
+a method:</p>
+
+<pre>
+point
+replace
+floodfill
+filltoborder
+reset
+</pre>
+
+<p>Consider the target pixel as that specified by your coordinate. The
+<code>point</code> method recolors the target pixel. The <code>replace</code>
+method recolors any pixel that matches the color of the target pixel.
+<code>Floodfill</code> recolors any pixel that matches the color of the target
+pixel and is a neighbor, whereas <code>filltoborder</code> recolors any neighbor
+pixel that is not the border color. Finally, <code>reset</code> recolors all
+pixels.</p>
+
+<p>Use <code>matte</code> to the change the pixel matte value to transparent.
+Follow the pixel coordinate with a method (see the <code>color</code> primitive
+for a description of methods). The <code>point</code> method changes the matte
+value of the target pixel. The <code>replace</code> method changes the matte
+value of any pixel that matches the color of the target pixel.
+<code>Floodfill</code> changes the matte value of any pixel that matches the
+color of the target pixel and is a neighbor, whereas <code>filltoborder</code>
+changes the matte value of any neighbor pixel that is not the border color (<a
+href="command-line-options.html#bordercolor">-bordercolor</a>). Finally <code>reset</code> changes the
+matte value of all pixels.</p>
+
+<p>You can set the primitive color, font, and font bounding box color with <a
+href="command-line-options.html#fill">-fill</a>, <a href="command-line-options.html#font">-font</a>, and <a href="command-line-options.html#box">-box</a>
+respectively. Options are processed in command line order so be sure to use
+these options <var>before</var> the <a href="command-line-options.html#draw">-draw</a> option.</p>
+
+<p>Strings that begin with a number must be quoted (e.g. use '1.png' rather
+than 1.png).</p>
+
+<p>Drawing primitives conform to the <a href="magick-vector-graphics.html" >Magick
+Vector Graphics</a> format.</p>
+
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="duplicate"></a>-duplicate <var>count,indexes</var></h3>
+</div>
+
+<p class="magick-description">duplicate an image one or more times.</p>
+
+<p>Specify the count and the image to duplicate by its index in the sequence.
+The first image is index 0. Negative indexes are relative to the end of the
+sequence, for example, -1 represents the last image of the sequence. Specify
+a range of images with a dash (e.g. 0-4). Separate indexes with a comma (e.g.
+0,2). Use <code>+duplicate</code> to duplicate the last image in the current
+image sequence.</p>
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="edge"></a>-edge <var>radius</var></h3>
+</div>
+
+<p class="magick-description">detect edges within an image.</p>
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="emboss"></a>-emboss <var>radius</var></h3>
+</div>
+
+<p class="magick-description">emboss an image.</p>
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="encipher"></a>-encipher <var>filename</var></h3>
+</div>
+
+<p class="magick-description">Encipher pixels for later deciphering by <a href="command-line-options.html#decipher">-decipher</a>.</p>
+
+<p>Get the passphrase from the file specified by <var>filename</var>.</p>
+
+<p>For more information, see the webpage, <a
+href="../www/cipher.html">ImageMagick: Encipher or
+Decipher an Image</a>.</p>
+
+
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="encoding"></a>-encoding <var>type</var></h3>
+</div>
+
+<p class="magick-description">specify the text encoding.</p>
+
+<p>Choose from <code>AdobeCustom</code>, <code>AdobeExpert</code>,
+<code>AdobeStandard</code>, <code>AppleRoman</code>, <code>BIG5</code>,
+<code>GB2312</code>, <code>Latin 2</code>, <code>None</code>, <code>SJIScode</code>,
+<code>Symbol</code>, <code>Unicode</code>, <code>Wansung</code>.</p>
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="endian"></a>-endian <var>type</var></h3>
+</div>
+
+<p class="magick-description">Specify endianness (<code>MSB</code> or <code>LSB</code>) of the image.</p>
+
+<p>To print a complete list of endian types, use the <a href="command-line-options.html#list">-list endian</a> option.</p>
+
+<p>Use <a href="command-line-options.html#endian">+endian</a> to revert to unspecified endianness.</p>
+
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="enhance"></a>-enhance</h3>
+</div>
+
+<p class="magick-description">Apply a digital filter to enhance a noisy image.</p>
+
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="equalize"></a>-equalize</h3>
+</div>
+
+<p class="magick-description">perform histogram equalization on the image channel-by-channel.</p>
+
+<p>To perform histogram equalization on all channels in concert, transform the
+image into some other color space, such as HSL, OHTA, YIQ or YUV, then
+equalize the appropriate intensity-like channel, then convert back to RGB.</p>
+
+<p>For example using HSL, we have: ... <code>-colorspace HSL -channel lightness
+-equalize -colorspace RGB</code> ...</p>
+
+<p>For YIQ, YUV and OHTA use the red channel. For example, OHTA is a principal
+components transformation that puts most of the information in the first
+channel. Here we have ... <code>-colorspace OHTA -channel red -equalize
+-colorspace RGB</code> ...</p>
+
+<div style="margin: auto;">
+ <h3 class="magick-header"><a id="evaluate"></a>-evaluate <var>operator value</var></h3>
+</div>
+
+<p class="magick-description">Alter channel pixels by evaluating an arithmetic, relational, or logical expression.</p>
+
+<p>(See the <a href="command-line-options.html#function" >-function</a> operator for some
+multi-parameter functions. See the <a href="command-line-options.html#fx" >-fx</a> operator if more
+elaborate calculations are needed.)</p>
+
+<p>The behaviors of each <var>operator</var> are summarized in the
+following list. For brevity, the numerical value of a "pixel" referred to
+below is the value of the corresponding channel of that pixel, while
+a "normalized pixel" is that number divided by the maximum
+(installation-dependent) value <var>QuantumRange</var>. (If
+normalized pixels are used, they are restored, following the other
+calculations, to the full range by multiplying by <var>QuantumRange</var>.)</p>
+
+<table class="table table-condensed table-striped">
+ <col width="25%" />
+ <col width="75%" />
<thead>
<tr>
<th><var>operator</var></th>
@@ -3178,12 +4129,12 @@
<tr><td> </td></tr>
- <tr><td>Gaussian-noise</td></tr>
- <tr><td>Impulse-noise</td></tr>
- <tr><td>Laplacian-noise</td></tr>
- <tr><td>Multiplicative-noise</td> <td>(These are equivalent to the corresponding <a href="command-line-options.html#noise">-noise</a> operators.)</td></tr>
- <tr><td>PoissonNoise</td></tr>
- <tr><td>Uniform-noise</td></tr>
+ <tr><td>Gaussian-noise</td><td> </td></tr>
+ <tr><td>Impulse-noise</td><td> </td></tr>
+ <tr><td>Laplacian-noise</td><td> </td></tr>
+ <tr><td>Multiplicative-noise</td> <td>(These are equivalent to the corresponding <a href="command-line-options.html#noise" >-noise</a> operators.)</td></tr>
+ <tr><td>PoissonNoise</td><td> </td></tr>
+ <tr><td>Uniform-noise</td><td> </td></tr>
<tr><td> </td></tr>
@@ -3193,7 +4144,8 @@
</tbody>
</table>
-<p>The specified functions are applied only to each previously set <a href="command-line-options.html#channel">-channel</a> in the image. If necessary, the results of the
+<p>The specified functions are applied only to each previously set <a
+href="command-line-options.html#channel" >-channel</a> in the image. If necessary, the results of the
calculations are truncated (clipped) to fit in the interval [0, <var>QuantumRange</var>]. The transparency channel of the image is
represented as a 'alpha' values (0 = fully transparent), so, for example, a
<code>Divide</code> by 2 of the alpha channel will make the image
@@ -3204,10 +4156,11 @@
<a href="command-line-options.html#list">-list evaluate</a>.</p>
<p>The results of the <code>Add</code>, <code>Subtract</code> and
-<code>Multiply</code> methods can also be achieved using either the <a href="command-line-options.html#level">-level</a> or the <a href="command-line-options.html#level">+level</a> operator, with
+<code>Multiply</code> methods can also be achieved using either the <a
+href="command-line-options.html#level" >-level</a> or the <a href="command-line-options.html#level" >+level</a> operator, with
appropriate argument, to linearly modify the overall range of color values.
-Please note, however, that <a href="command-line-options.html#level">-level</a> treats transparency as
-'matte' values (0 = opaque), while <a href="command-line-options.html#level">-evaluate</a> works with
+Please note, however, that <a href="command-line-options.html#level" >-level</a> treats transparency as
+'matte' values (0 = opaque), while <a href="command-line-options.html#level" >-evaluate</a> works with
'alpha' values.</p>
<p><code>AddModulus</code> has been added as of ImageMagick 6.4.8-4 and provides
@@ -3226,7 +4179,8 @@
exp(<var>value</var> × <b><var>u</var></b>)
</div>
-<p> If the input image is squared, for example, using <a href="command-line-options.html#-function">-function polynomial "2 0 0"</a>, then a decaying Gaussian function will be
+<p> If the input image is squared, for example, using <a href="command-line-options.html#-function"
+>-function polynomial "2 0 0"</a>, then a decaying Gaussian function will be
the result.</p>
<p><code>Log</code> has been added as of ImageMagick 6.4.2-1 and works on
@@ -3239,9 +4193,10 @@
</div>
<p><code>Pow</code> has been added as of ImageMagick 6.4.1-9, and works on
-normalized pixel values. Note that <code>Pow</code> is related to the <a href="command-line-options.html#gamma">-gamma</a> operator. For example, <b>-gamma 2</b> is equivalent
+normalized pixel values. Note that <code>Pow</code> is related to the <a
+href="command-line-options.html#gamma" >-gamma</a> operator. For example, <b>-gamma 2</b> is equivalent
to <b>-evaluate pow 0.5</b>, i.e., a 'square root' function. The value used
-with <a href="command-line-options.html#gamma">-gamma</a> is simply the reciprocal of the value used
+with <a href="command-line-options.html#gamma" >-gamma</a> is simply the reciprocal of the value used
with <code>Pow</code>.</p>
<p><code>Cosine</code> and <code>Sine</code> was added as of IM v6.4.8-8 and
@@ -3257,20 +4212,22 @@
0.5 + 0.5 × cos(2 π <b><var>u</var></b> × <var>value</var>).
</div>
-<p>See also the <a href="command-line-options.html#function">-function</a> operator, which is a
+<p>See also the <a href="command-line-options.html#function" >-function</a> operator, which is a
multi-value version of evaluate. </p>
<div style="margin: auto;">
- <h4><a id="evaluate-sequence"></a>-evaluate-sequence <var>operator</var></h4>
+ <h3 class="magick-header"><a id="evaluate-sequence"></a>-evaluate-sequence <var>operator</var></h3>
</div>
<p class="magick-description">Alter channel pixels by evaluating an arithmetic, relational, or
logical expression over a sequence of images.</p>
-<p>To print a complete list of <a href="command-line-options.html#evaluate-sequence">-evaluate-sequence</a> operators, use <a href="command-line-options.html#list">-list evaluate</a>.</p>
+<p>To print a complete list of <a
+href="command-line-options.html#evaluate-sequence">-evaluate-sequence</a> operators, use <a
+href="command-line-options.html#list">-list evaluate</a>.</p>
<div style="margin: auto;">
- <h4><a id="extent"></a>-extent <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="extent"></a>-extent <var>geometry</var></h3>
</div>
<p class="magick-description">Set the image size and offset.</p>
@@ -3278,7 +4235,8 @@
<p>If the image is enlarged, unfilled areas are set to the background color.
To position the image, use offsets in the <var>geometry</var>
specification or precede with a <a href="command-line-options.html#gravity">-gravity</a> setting. To
-specify how to compose the image with the background, use <a href="command-line-options.html#compose">-compose</a>.</p>
+specify how to compose the image with the background, use <a href="command-line-options.html#compose"
+>-compose</a>.</p>
<p>This command reduces or expands a JPEG image to fit on an 800x600
display. If the aspect ratio of the input image isn't exactly 4:3, then the
@@ -3292,7 +4250,7 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="extract"></a>-extract <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="extract"></a>-extract <var>geometry</var></h3>
</div>
<p class="magick-description">Extract the specified area from image.</p>
@@ -3324,7 +4282,7 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="family"></a>-family <var>fontFamily</var></h4>
+ <h3 class="magick-header"><a id="family"></a>-family <var>fontFamily</var></h3>
</div>
<p class="magick-description">Set a font family for text.</p>
@@ -3334,34 +4292,36 @@
(e.g., "Arial") or a family known to be similar is substituted (e.g.,
"Courier" might be used if "System" is requested but not found). </p>
-<p>For other settings that affect fonts, see the options <a href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#stretch">-stretch</a>, <a href="command-line-options.html#style">-style</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
+<p>For other settings that affect fonts, see the options <a
+href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#stretch">-stretch</a>, <a
+href="command-line-options.html#style">-style</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
<div style="margin: auto;">
- <h4><a id="features"></a>-features <var>distance</var></h4>
+ <h3 class="magick-header"><a id="features"></a>-features <var>distance</var></h3>
</div>
<p class="magick-description">display (cooccurrence matrix) texture measure features for each channel in the image in each of four directions (horizontal, vertical, left and right diagonals) for the specified distance.</p>
<pre>
- Angular Second Moment
- Contrast
- Correlation
- Sum of Squares Variance
- Inverse Difference Moment
- Sum Average
- Sum Variance
- Sum Entropy
- Entropy
- Difference Variance
- Difference Entropy
- Information Measure of Correlation 1
- Information Measure of Correlation 2
- Maximum Correlation Coefficient
+Angular Second Moment
+Contrast
+Correlation
+Sum of Squares Variance
+Inverse Difference Moment
+Sum Average
+Sum Variance
+Sum Entropy
+Entropy
+Difference Variance
+Difference Entropy
+Information Measure of Correlation 1
+Information Measure of Correlation 2
+Maximum Correlation Coefficient
</pre>
<div style="margin: auto;">
- <h4><a id="fft"></a>-fft</h4>
+ <h3 class="magick-header"><a id="fft"></a>-fft</h3>
</div>
<p class="magick-description">implements the forward discrete Fourier transform (DFT).</p>
@@ -3386,7 +4346,8 @@
visualized directly. Therefore, the complex values are automagically separated
into a two-component image representation. The first component is the
magnitude of the complex number and the second is the phase of the complex
-number. See for example, <a href="http://en.wikipedia.org/wiki/Complex_numbers">Complex Numbers</a>.</p>
+number. See for example, <a
+href="http://en.wikipedia.org/wiki/Complex_numbers">Complex Numbers</a>.</p>
<p>The magnitude and phase component images must be specified using image
formats that do not limit the color or compress the image. Thus, MIFF, TIF,
@@ -3406,13 +4367,15 @@
<p>generates a magnitude image as <code>fft_image-0.png</code> and a phase image
as <code>fft_image-1.png</code>. If you prefer this representation, then you can
-force any of the other formats to produce two output images by including <a href="command-line-options.html#adjoin">+adjoin</a> following -fft in the command line.</p>
+force any of the other formats to produce two output images by including <a
+href="command-line-options.html#adjoin">+adjoin</a> following -fft in the command line.</p>
<p>The input image can be any size, but if not square and even-dimensioned, it
is padded automagically to the larger of the width or height of the input
image and to an even number of pixels. The padding will occur at the bottom
and/or right sides of the input image. The resulting output magnitude and
-phase images is square at this size. The kind of padding relies on the <a href="command-line-options.html#virtual-pixel">-virtual-pixel</a> setting.</p>
+phase images is square at this size. The kind of padding relies on the <a
+href="command-line-options.html#virtual-pixel">-virtual-pixel</a> setting.</p>
<p>Both output components will have dynamic ranges that fit within
[0, <var>QuantumRange</var>], so that HDRI need not be enabled.
@@ -3430,7 +4393,8 @@
-evaluate log 1000 fft_image_spectrum.png"
</pre>
-<p>where either <a href="command-line-options.html#contrast-stretch">-contrast-stretch</a> 0 or <a href="command-line-options.html#auto-level">-auto-level</a> is used to scale the image to full dynamic
+<p>where either <a href="command-line-options.html#contrast-stretch">-contrast-stretch</a> 0 or <a
+href="command-line-options.html#auto-level">-auto-level</a> is used to scale the image to full dynamic
range, first. The argument to the <a href="command-line-options.html#evaluate">-evaluate</a> log
typically is specified between 100 and 10,000, depending upon the amount of
detail that one wants to bring out in the spectrum. Larger values produce more
@@ -3450,25 +4414,31 @@
MIFF or TIF, one should add -define quantum:format=32, to allow those image
types to work properly in HDRI mode without clipping.</p>
-<p>The real and imaginary component images resulting from <a href="command-line-options.html#fft">+fft</a> are also square, even dimensioned images due to the same
+<p>The real and imaginary component images resulting from <a
+href="command-line-options.html#fft">+fft</a> are also square, even dimensioned images due to the same
padding that was discussed above for the magnitude and phase component
images.</p>
-<p>See the discussion on HDRI implementations of ImageMagick on the page <a href="high-dynamic-range.html">High Dynamic-Range Images</a>. For more
-about HDRI go the ImageMagick <a href="http://www.imagemagick.org/Usage/basics/#hdri">Usage</a> pages, <a href="http://www.fmwconcepts.com/imagemagick/fourier_transforms/fourier.html">Fred's Fourier Processing With ImageMagick page</a> or this <a href="http://en.wikipedia.org/wiki/High_dynamic_range_imaging">Wikipedia</a>
+<p>See the discussion on HDRI implementations of ImageMagick on the page <a
+href="high-dynamic-range.html" >High Dynamic-Range Images</a>. For more
+about HDRI go the ImageMagick <a
+href="http://www.imagemagick.org/Usage/basics/#hdri" >Usage</a> pages, <a
+href="http://www.fmwconcepts.com/imagemagick/fourier_transforms/fourier.html"
+>Fred's Fourier Processing With ImageMagick page</a> or this <a
+ href="http://en.wikipedia.org/wiki/High_dynamic_range_imaging" >Wikipedia</a>
entry. </p>
-<p>By default the FFT is normalized (and the IFT is not). Use "<code><a href="command-line-options.html#define">-define</a> fourier:normalize=forward</code> to explicityly normalize the FFT and unnormalize the IFT.</p>
+<p>By default the FFT is normalized (and the IFT is not). Use "<code><a href="command-line-options.html#define" >-define</a> fourier:normalize=forward</code> to explicityly normalize the FFT and unnormalize the IFT.</p>
<div style="margin: auto;">
- <h4><a id="fill"></a>-fill <var>color</var></h4>
+ <h3 class="magick-header"><a id="fill"></a>-fill <var>color</var></h3>
</div>
<p class="magick-description">color to use when filling a graphic primitive.</p>
<p>This option accepts a color name, a hex color, or a numerical RGB, RGBA,
-HSL, HSLA, CMYK, or CMYKA specification. See <a href="color.html">Color Names</a> for
+HSL, HSLA, CMYK, or CMYKA specification. See <a href="color.html" >Color Names</a> for
a description of how to properly specify the color argument.</p>
<p>Enclose the color specification in quotation marks to prevent the "#" or
@@ -3476,33 +4446,30 @@
<p>For example,</p>
-<p class="crtsnip">
- -fill blue
-</p>
-<p class="crtsnip">
- -fill "#ddddff"
-</p>
-<p class="crtsnip">
- -fill "rgb(255,255,255)"
-</p>
+<pre>
+-fill blue
+-fill "#ddddff"
+-fill "rgb(255,255,255)"
+</pre>
<p>See <a href="command-line-options.html#draw">-draw</a> for further details.</p>
<p>To print a complete list of color names, use the <a href="command-line-options.html#list">-list color</a> option.</p>
<div style="margin: auto;">
- <h4><a id="filter"></a>-filter <var>type</var></h4>
+ <h3 class="magick-header"><a id="filter"></a>-filter <var>type</var></h3>
</div>
<p class="magick-description">Use this <var>type</var> of filter when resizing or distorting an image.</p>
<p>Use this option to affect the resizing operation of an image during
-operations such as <a href="command-line-options.html#resize">-resize</a> and <a href="command-line-options.html#distort">-distort</a>. For example you can use a simple resize filter such as:</p>
+operations such as <a href="command-line-options.html#resize">-resize</a> and <a href="command-line-options.html#distort"
+>-distort</a>. For example you can use a simple resize filter such as:</p>
<pre>
- Point Hermite Cubic
- Box Gaussian Catrom
- Triangle Quadratic Mitchell
+Point Hermite Cubic
+Box Gaussian Catrom
+Triangle Quadratic Mitchell
</pre>
<p>The <code>Bessel</code> and <code>Sinc</code> filter is also provided (as well
@@ -3512,14 +4479,14 @@
except via expert settings (see below). </p>
<p>Instead these special filter functions are typically windowed by a windowing
-function that the <a href="command-line-options.html#filter">-filter</a> setting defines. That is
+function that the <a href="command-line-options.html#filter" >-filter</a> setting defines. That is
using these functions will define a 'Windowed' filter, appropriate to the
operator involved. Windowed filters include: </p>
<pre>
- Lanczos Hamming Parzen
- Blackman Kaiser Welsh
- Hanning Bartlett Bohman
+Lanczos Hamming Parzen
+Blackman Kaiser Welsh
+Hanning Bartlett Bohman
</pre>
<p>Also one special self-windowing filter is also provided
@@ -3535,102 +4502,119 @@
filter</a> option.</p>
<p>You can modify how the filter behaves as it scales your image through the
-use of these expert settings (see also <a href="command-line-options.html#define">-define</a> and <a href="command-line-options.html#set">-set</a>):-</p>
+use of these expert settings (see also <a href="command-line-options.html#define" >-define</a> and <a
+href="command-line-options.html#set" >-set</a>):-</p>
-<dl>
-<dt>-define filter:blur=<var>factor</var></dt>
-<dd>Scale the X axis of the filter (and its window). Use > 1.0 for
+<table class="table table-condensed table-striped">
+ <tr>
+ <td>-define filter:blur=<var>factor</var></td>
+ <td>Scale the X axis of the filter (and its window). Use > 1.0 for
blurry or < 1.0 for sharp. This should only be used with Gaussian and
Gaussian-like filters simple filters, or you may not get the expected
- results. </dd>
+ results. </td>
+ </tr>
-<dt>-define filter:support=<var>radius</var></dt>
-<dd>Set the filter support radius. Defines how large the filter should be and
+ <tr>
+ <td>-define filter:support=<var>radius</var></td>
+ <td>Set the filter support radius. Defines how large the filter should be and
thus directly defines how slow the filtered resampling process is. All
filters have a default 'prefered' support size. Some filters like
<code>Lagrange</code> and windowed filters adjust themselves depending on
this value. With simple filters this value either does nothing (but slow
the resampling), or will clip the filter function in a detrimental way.
- </dd>
+ </td>
+ </tr>
-<dt>-define filter:lobes=<var>count</var></dt>
-<dd>Set the number of lobes to use for the Sinc/Bessel filter. This an
+ <tr>
+ <td>-define filter:lobes=<var>count</var></td>
+ <td>Set the number of lobes to use for the Sinc/Bessel filter. This an
alternative way of specifying the 'support' range of the filter, that is
designed to be more suited to windowed filters, especially when used for
- image distorts.</dd>
+ image distorts.</td>
+ </tr>
-<dt>-define filter:sigma=<var>value</var></dt>
-<dd>The 'sigma' value used to define the <code>Gaussian</code> filter. Default
+ <tr>
+ <td>-define filter:sigma=<var>value</var></td>
+ <td>The 'sigma' value used to define the <code>Gaussian</code> filter. Default
sigma value is '<code>0.5</code>'. It only effects <code>Gaussian</code> but
does not shrink (but may enlarge) the filter's 'support'. It can be used
to generate very small blurs but without the filter 'missing' pixels due
to using a small support setting. A larger value of '<code>0.707</code>'
- (a value of '1/sqrt(2)') is another common setting. </dd>
+ (a value of '1/sqrt(2)') is another common setting. </td>
+ </tr>
-<dt>-define filter:b=<var>b-spline_factor</var></dt>
-<dt>-define filter:c=<var>keys_alpha_factor</var></dt>
-<dd>Redefine the values used for cubic filters such as <code>Cubic</code>,
+ <tr>
+ <td>-define filter:b=<var>b-spline_factor</var></td>
+ <tr>
+ <td>-define filter:c=<var>keys_alpha_factor</var></td>
+ <td>Redefine the values used for cubic filters such as <code>Cubic</code>,
<code>Catrom</code>, <code>Mitchel</code>, and <code>Hermite</code>, as well as
the <code>Parzen</code> cubic windowing function. If only one of the values
are defined, the other is set so as to generate a 'Cubic-Keys' filter.
The values meaning was defined by a research paper by
- Mitchell-Netravali.</dd>
+ Mitchell-Netravali.</td>
+ </tr>
-<dt>-define filter:kaiser-beta=<var>value</var></dt>
-<dd>The 'alpha' value used to as part of the Kaiser Windowing function.
+ <tr>
+ <td>-define filter:kaiser-beta=<var>value</var></td>
+ <td>The 'alpha' value used to as part of the Kaiser Windowing function.
Default value is '6.5'. It only effects Kaiser windowing function, and
- does not effect any other attributes.</dd>
-
-<dd>Before IM v6.7.6-10, this option was known as "filter:alpha", (an
+ does not effect any other attributes.
+ Before ImageMagick v6.7.6-10, this option was known as "filter:alpha", (an
inheritance from the very old "zoom" program). It was changed to bring the
function in line with more modern academic research usage, and better
- assign it be more definitive. </dd>
+ assign it be more definitive. </td>
+ </tr>
-<dt>-define filter:kaiser-alpha=<var>value</var></dt>
-<dd>This value when multiplied by 'PI' is equivalent to "kaiser-beta", and
+ <tr>
+ <td>-define filter:kaiser-alpha=<var>value</var></td>
+ <td>This value when multiplied by 'PI' is equivalent to "kaiser-beta", and
will override that setting. It only effects Kaiser windowing function,
- and does not effect any other attributes. </dd>
+ and does not effect any other attributes. </td>
+ </tr>
-<dt>-define filter:filter=<var>filter_function</var></dt>
-<dd>Use this function directly as the weighting filter. This will allow
+ <tr>
+ <td>-define filter:filter=<var>filter_function</var></td>
+ <td>Use this function directly as the weighting filter. This will allow
you to directly use a windowing function such as <code>Blackman</code>,
as a resampling filter, rather than as its normal usage as a windowing
- function. </dd>
-
-<dd>If defined, no windowing function also defined, the window function is set
+ function. If defined, no windowing function also defined, the window function is set
to <code>Box</code>). Directly specifying <code>Sinc</code> or <code>Jinc</code>
- as a filter will also do this. </dd>
+ as a filter will also do this. </td>
+ </tr>
-<dt>-define filter:window=<var>filter_function</var></dt>
-<dd>The IIR (infinite impulse response) filters <code>Sinc</code> and
+ <tr>
+ <td>-define filter:window=<var>filter_function</var></td>
+ <td>The IIR (infinite impulse response) filters <code>Sinc</code> and
<code>Jinc</code> are windowed (brought down to zero over the defined
support range) with the given filter. This allows you to specify a filter
- function to be used as a windowing function for these IIR filters. </dd>
-
-<dd>Many of the defined filters are actually windowing functions for these IIR
+ function to be used as a windowing function for these IIR filters.
+ Many of the defined filters are actually windowing functions for these IIR
filters. A typical choices is <code>Box</code>, (which effectively turns
- off the windowing function). </dd>
+ off the windowing function). </td>
+ </tr>
-<dt>-define filter:win-support=<var>radius</var></dt>
-<dd>Scale windowing function to this size instead. This causes the windowing
+ <tr>
+ <td>-define filter:win-support=<var>radius</var></td>
+ <td>Scale windowing function to this size instead. This causes the windowing
(or self-windowing Lagrange filter) to act is if the support window is
larger than what is actually supplied to the calling operator. The filter
however is still clipped to the real support size given. If unset this
- will equal the normal filter support size. </dd>
+ will equal the normal filter support size. </td>
+ </tr>
-<dt>-define filter:verbose=<var>1</var></dt>
-<dd>This causes IM to print information on the final internal filter
+ <tr>
+ <td>-define filter:verbose=<var>1</var></td>
+ <td>This causes IM to print information on the final internal filter
selection to standard output. This includes a commented header on the
filter settings being used, and data allowing the filter weights to be
- easily graphed. </dd>
-
-<dd>Note however that some filters are internally defined in terms of other
- filters. The <code>Lanczos</code> filter for example is defined in terms of
+ easily graphed. Note however that some filters are internally defined in terms of other filters. The <code>Lanczos</code> filter for example is defined in terms of
a <code>SincFast</code> windowed <code>SincFast</code> filter, while
<code>Mitchell</code> is defined as a general <code>Cubic</code> family filter
- with specific 'B' and 'C' settings. </dd>
+ with specific 'B' and 'C' settings. </td>
+ </tr>
-</dl>
+</table>
<p>For example, to get a 8 lobe jinc windowed sinc filter (Genseng filter?):</p>
@@ -3660,7 +4644,7 @@
-define filter:window=Welch \
-define filter:support=1.0 \
-define filter:verbose=1 \
- -resize 2 null: > window_welch.dat
+ -resize 2 null: > window_welch.dat
gnuplot
set grid
plot \"window_welch.dat\" with lines
@@ -3674,14 +4658,14 @@
<div style="margin: auto;">
- <h4><a id="flatten"></a>-flatten</h4>
+ <h3 class="magick-header"><a id="flatten"></a>-flatten</h3>
</div>
-<p class="magick-description">This is a simple alias for the <a href="command-line-options.html#layers">-layers</a> method "flatten".</p>
+<p class="magick-description">This is a simple alias for the <a href="command-line-options.html#layers" >-layers</a> method "flatten".</p>
<div style="margin: auto;">
- <h4><a id="flip"></a>-flip</h4>
+ <h3 class="magick-header"><a id="flip"></a>-flip</h3>
</div>
<p class="magick-description">create a <var>mirror image</var></p>
@@ -3691,28 +4675,28 @@
<div style="margin: auto;">
- <h4><a id="floodfill"></a>-floodfill {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var> <var>color</var></h4>
+ <h3 class="magick-header"><a id="floodfill"></a>-floodfill {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var> <var>color</var></h3>
</div>
<p class="magick-description">floodfill the image with color at the specified offset.</p>
<p>Flood fill starts from the given 'seed point' which is not gravity effected.
-Any color that matches within <a href="command-line-options.html#fuzz">-fuzz</a> color distance of the
+Any color that matches within <a href="command-line-options.html#fuzz" >-fuzz</a> color distance of the
given <var>color</var> argument, connected to that 'seed point'
-will be replaced with the current <a href="command-line-options.html#fill">-fill</a> color. </p>
+will be replaced with the current <a href="command-line-options.html#fill" >-fill</a> color. </p>
<p>Note that if the pixel at the 'seed point' does not itself match the given
-<var>color</var> (according to <a href="command-line-options.html#fuzz">-fuzz</a>), then no
+<var>color</var> (according to <a href="command-line-options.html#fuzz" >-fuzz</a>), then no
action will be taken. </p>
-<p>This operator works more like the <a href="command-line-options.html#opaque">-opaque</a> option, than
+<p>This operator works more like the <a href="command-line-options.html#opaque" >-opaque</a> option, than
a more general flood fill that reads the matching color directly at the 'seed
-point'. For this form of flood fill, look at <a href="command-line-options.html#draw">-draw</a> and
+point'. For this form of flood fill, look at <a href="command-line-options.html#draw" >-draw</a> and
its 'color floodfill' drawing method. </p>
<div style="margin: auto;">
- <h4><a id="flop"></a>-flop</h4>
+ <h3 class="magick-header"><a id="flop"></a>-flop</h3>
</div>
<p class="magick-description">create a <var>mirror image</var>.</p>
@@ -3722,7 +4706,7 @@
<div style="margin: auto;">
- <h4><a id="font"></a>-font <var>name</var></h4>
+ <h3 class="magick-header"><a id="font"></a>-font <var>name</var></h3>
</div>
<p class="magick-description">set the font to use when annotating images with text, or creating labels.</p>
@@ -3735,28 +4719,32 @@
is a TrueType font file, <code>ps:helvetica</code> is PostScript font, and
<code>x:fixed</code> is X11 font.</p>
-<p>For other settings that affect fonts, see the options <a href="command-line-options.html#family">-family</a>, <a href="command-line-options.html#stretch">-stretch</a>, <a href="command-line-options.html#style">-style</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
+<p>For other settings that affect fonts, see the options <a
+href="command-line-options.html#family">-family</a>, <a href="command-line-options.html#stretch">-stretch</a>, <a
+href="command-line-options.html#style">-style</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
<div style="margin: auto;">
- <h4><a id="foreground"></a>-foreground <var>color</var></h4>
+ <h3 class="magick-header"><a id="foreground"></a>-foreground <var>color</var></h3>
</div>
<p class="magick-description">Define the foreground color for menus.", "display</p>
-<p>The color is specified using the format described under the <a href="command-line-options.html#fill">-fill</a> option.</p>
+<p>The color is specified using the format described under the <a
+href="command-line-options.html#fill">-fill</a> option.</p>
<p>The default foreground color is black.</p>
<div style="margin: auto;">
- <h4><a id="format"></a>-format <var>type</var></h4>
+ <h3 class="magick-header"><a id="format"></a>-format <var>type</var></h3>
</div>
<p class="magick-description">the image format type.</p>
<p>When used with the <code>mogrify</code> utility, this option converts any
image to the image <a href="formats.html">format</a> you specify.
-For a list of image format types supported by ImageMagick, use <a href="command-line-options.html#list">-list format</a>.</p>
+For a list of image format types supported by ImageMagick, use <a
+href="command-line-options.html#list">-list format</a>.</p>
<p>By default the file is written to its original name. However, if the
filename extension matches a supported format, the extension is replaced with
@@ -3766,7 +4754,7 @@
filename becomes <var>image.tiff</var>.</p>
<div style="margin: auto;">
- <h4><a id="format_identify_"></a>-format <var>string</var></h4>
+ <h3 class="magick-header"><a id="format_identify_"></a>-format <var>string</var></h3>
</div>
<p class="magick-description">output formatted image characteristics.</p>
@@ -3776,12 +4764,13 @@
option.</p>
<div style="margin: auto;">
- <h4><a id="frame"></a>-frame <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="frame"></a>-frame <var>geometry</var></h3>
</div>
<p class="magick-description">Surround the image with a border or beveled frame.</p>
-<p>The color of the border is specified with the <a href="command-line-options.html#mattecolor">-mattecolor</a> command line option. </p>
+<p>The color of the border is specified with the <a href="command-line-options.html#mattecolor"
+>-mattecolor</a> command line option. </p>
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument. The <var>size</var> portion of the <var>geometry</var> argument indicates the amount of extra width and
height that is added to the dimensions of the image. If no offsets are given
@@ -3792,80 +4781,80 @@
<var>y</var> pixels. Negative offsets make no sense as frame arguments.
</p>
-<p>The <a href="command-line-options.html#frame">-frame</a> option is affected by the current <a href="command-line-options.html#compose">-compose</a> setting and assumes that this is using the default
+<p>The <a href="command-line-options.html#frame">-frame</a> option is affected by the current <a
+href="command-line-options.html#compose">-compose</a> setting and assumes that this is using the default
'<code>Over</code>' composition method. It generates an image of the appropriate
size with the current <a href="command-line-options.html#bordercolor">-bordercolor</a> setting, and then
-draws the frame of four distinct colors close to the current <a href="command-line-options.html#mattecolor">-mattecolor</a>. The original image is then overlaid onto
+draws the frame of four distinct colors close to the current <a
+href="command-line-options.html#mattecolor">-mattecolor</a>. The original image is then overlaid onto
center of this image. This means that with the default compose method of
-'<code>Over</code>' any transparent parts may be replaced by the current <a href="command-line-options.html#bordercolor">-bordercolor</a> setting.</p>
+'<code>Over</code>' any transparent parts may be replaced by the current <a
+href="command-line-options.html#bordercolor">-bordercolor</a> setting.</p>
<p>The image composition is not
affected by the <a href="command-line-options.html#gravity">-gravity</a> option.</p>
<div style="margin: auto;">
- <h4><a id="frame_import_"></a>-frame</h4>
+ <h3 class="magick-header"><a id="frame_import_"></a>-frame</h3>
</div>
<p class="magick-description">include the X window frame in the imported image. </p>
<div style="margin: auto;">
- <h4><a id="function"></a>-function <var>function</var> <var>parameters</var></h4>
+ <h3 class="magick-header"><a id="function"></a>-function <var>function</var> <var>parameters</var></h3>
</div>
<p class="magick-description">Apply a function to channel values.</p>
<p>This operator performs calculations based on the given arguments to modify
-each of the color values for each previously set <a href="command-line-options.html#channel">-channel</a> in the image. See <a href="command-line-options.html#evaluate">-evaluate</a> for details concerning how the results of the
+each of the color values for each previously set <a
+href="command-line-options.html#channel">-channel</a> in the image. See <a
+href="command-line-options.html#evaluate">-evaluate</a> for details concerning how the results of the
calculations are handled.</p>
-<p>This is can be considered a multi-argument version of the <a href="command-line-options.html#evaluate">-evaluate</a> operator. (Added in
+<p>This is can be considered a multi-argument version of the <a
+href="command-line-options.html#evaluate">-evaluate</a> operator. (Added in
ImageMagick 6.4.8−8.)</p>
<p>Here, <var>parameters</var> is a comma-separated list of
numerical values. The number of values varies depending on which <var>function</var> is selected. Choose the <var>function</var> from:</p>
<pre>
- Polynomial
- Sinusoid
- Arcsin
- Arctan
+Polynomial
+Sinusoid
+Arcsin
+Arctan
</pre>
<p>To print a complete list of <a href="command-line-options.html#function">-function</a> operators,
use <a href="command-line-options.html#list">-list function</a>. Descriptions follow.</p>
-<dl>
-<dt><code>Polynomial</code></dt>
-<dd>
-
-<p>The <code>Polynomial</code> function takes an arbitrary number of parameters,
+<dl class="dl-horizontal">
+ <dt>Polynomial</dt>
+ <dd><p>The <code>Polynomial</code> function takes an arbitrary number of parameters,
these being the coefficients of a polynomial, in decreasing order of degree.
That is, entering</p>
-<div style="text-align: center">
- -function Polynomial <var>a</var><sub><var>n</var></sub>,<var>a</var><sub><var>n</var>-1</sub>,...<var>a</var><sub>1</sub>,<var>a</var><sub>0</sub>
-</div>
+<pre>
+-function Polynomial <var>a</var><sub><var>n</var></sub>,<var>a</var><sub><var>n</var>-1</sub>,...<var>a</var><sub>1</sub>,<var>a</var><sub>0</sub>
+</pre>
<p>will invoke a polynomial function given by</p>
-<div style="text-align: center">
- <var>a</var><sub><var>n</var></sub> <b><var>u</var></b><sup><var>n</var></sup> +
- <var>a</var><sub><var>n</var>-1</sub> <b><var>u</var></b><sup><var>n</var>-1</sup> +
- ··· <var>a</var><sub>1</sub> <b><var>u</var></b> + <var>a</var><sub>0</sub>,
-</div>
+<pre>
+<var>a</var><sub><var>n</var></sub> <b><var>u</var></b><sup><var>n</var></sup> + <var>a</var><sub><var>n</var>-1</sub> <b><var>u</var></b><sup><var>n</var>-1</sup> + ··· <var>a</var><sub>1</sub> <b><var>u</var></b> + <var>a</var><sub>0</sub>,
+</pre>
<p>where <b><var>u</var></b> is pixel's original normalized channel value.</p>
<p>The <code>Polynomial</code> function can be used in place of <code>Set</code>
(the <var>constant</var> polynomial) and <code>Add</code>, <code>Divide</code>,
<code>Multiply</code>, and <code>Subtract</code> (some <var>linear</var>
-polynomials) of the <a href="command-line-options.html#evaluate">-evaluate</a> operator. The <a href="command-line-options.html#level">-level</a> operator also affects channels linearly. Some
+polynomials) of the <a href="command-line-options.html#evaluate">-evaluate</a> operator. The <a
+href="command-line-options.html#level">-level</a> operator also affects channels linearly. Some
correspondences follow.</p>
<table class="table table-condensed table-striped">
- <col width="35%">
- <col width="35%">
- <col width="30%">
<tr>
<td>-evaluate Set <var>value</var> </td>
<td>-function Polynomial <var>value</var></td>
@@ -3895,33 +4884,32 @@
desired.</p>
</dd>
-
-<dt><code>Sinusoid</code></dt>
+<dt>Sinusoid</dt>
<dd>
<p>The <code>Sinusoid</code> function can be used to vary the channel values
sinusoidally by setting frequency, phase shift, amplitude, and a bias. These
values are given as one to four parameters, as follows,</p>
-<div style="text-align: center">
- -function <code>Sinusoid</code> <var>freq</var>,[<var>phase</var>,[<var>amp</var>,[<var>bias</var>]]]
-</div>
+<pre>
+-function <code>Sinusoid</code> <var>freq</var>,[<var>phase</var>,[<var>amp</var>,[<var>bias</var>]]]
+</pre>
<p>where <var>phase</var> is in degrees. (The domain [0,1] of the function
corresponds to 0 through <var>freq</var>×360 degrees.)
The result is that if a pixel's normalized channel value is originally
<b><var>u</var></b>, its resulting normalized value is given by </p>
-<div style="text-align: center">
+<pre>
<var>amp</var> * sin(2*π* (<var>freq</var> * <b><var>u</var></b> + <var>phase</var> / 360)) + <var>bias</var>
-</div>
+</pre>
<p> For example, the following generates a curve that starts and ends at 0.9
(when <b><var>u</var></b>=0 and 1, resp.), oscillating three times between
.7−.2=.5 and .7+.2=.9. </p>
-<p class="crtsnip">
- -function Sinusoid 3,-90,.2,.7
-</p>
+<pre>
+-function Sinusoid 3,-90,.2,.7
+</pre>
<p>The default values of <var>amp</var> and <var>bias</var> are both .5. The default for <var>phase</var>
is 0.</p>
@@ -3940,53 +4928,51 @@
<td>-function Sinusoid <var>freq</var>,90 </td>
</tr>
</table>
-</dd>
-
-<dt><code>ArcSin</code></dt>
+ </dd>
+<dt>ArcSin</dt>
<dd>
<p>The <code>ArcSin</code> function generates the inverse curve of a Sinusoid,
and can be used to generate cylindrical distortion and displacement maps.
The curve can be adjusted relative to both the input values and output range
of values.</p>
-<p style="text-align: center">
- -function <code>ArcSin</code> <var>width</var>,[<var>center</var>,[<var>range</var>,[<var>bias</var>]]]
-</p>
+<pre>
+-function <code>ArcSin</code> <var>width</var>,[<var>center</var>,[<var>range</var>,[<var>bias</var>]]]
+</pre>
<p>with all values given in terms of normalized color values (0.0 for black,
1.0 for white). Defaulting to values covering the full range from 0.0 to 1.0
for bout input (<var>width</var>), and output (<var>width</var>) values. '<code>1.0,0.5,1.0,0.5</code>' </p>
-<p style="text-align: center">
+<pre>
<var>range</var>/π * asin( 2/<var>width</var> * ( <b><var>u</var></b> - <var>center</var> ) ) + <var>bias</var>
-</p>
+</pre>
</dd>
-
-<dt><code>ArcTan</code></dt>
+<dt>ArcTan</dt>
<dd>
<p>The <code>ArcTan</code> function generates a curve that smooth crosses from
limit values at infinities, though a center using the given slope value.
All these values can be adjusted via the arguments.</p>
-<p style="text-align: center">
- -function <code>ArcTan</code> <var>slope</var>,[<var>center</var>,[<var>range</var>,[<var>bias</var>]]]
-</p>
+<pre>
+-function <code>ArcTan</code> <var>slope</var>,[<var>center</var>,[<var>range</var>,[<var>bias</var>]]]
+</pre>
<p>Defaulting to '<code>1.0,0.5,1.0,0.5</code>'.
</p>
-<p style="text-align: center">
+<pre>
<var>range</var>/π * atan( <var>slope</var>*π * ( <b><var>u</var></b> - <var>center</var> ) ) + <var>bias</var>
-</p>
-
-</dd>
-
+</pre>
+ </dd>
+ </tr>
</dl>
+
<div style="margin: auto;">
- <h4><a id="fuzz"></a>-fuzz <var>distance</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="fuzz"></a>-fuzz <var>distance</var>{<var>%</var>}</h3>
</div>
<p class="magick-description">Colors within this <var>distance</var> are considered equal.</p>
@@ -4002,11 +4988,11 @@
appending <code>%</code> as a percentage of the maximum possible intensity (255,
65535, or 4294967295).</p>
-<p>Use <a href="command-line-options.html#fuzz">+fuzz</a> to reset the fuzz value to 0.</p>
+<p>Use <a href="command-line-options.html#fuzz" >+fuzz</a> to reset the fuzz value to 0.</p>
<div style="margin: auto;">
- <h4><a id="fx"></a>-fx <var>expression</var></h4>
+ <h3 class="magick-header"><a id="fx"></a>-fx <var>expression</var></h3>
</div>
<p class="magick-description">apply a mathematical expression to an image or image channels.</p>
@@ -4021,7 +5007,7 @@
<div style="margin: auto;">
- <h4><a id="gamma"></a>-gamma <var>value</var></h4>
+ <h3 class="magick-header"><a id="gamma"></a>-gamma <var>value</var></h3>
</div>
<p class="magick-description">level of gamma correction.</p>
@@ -4059,30 +5045,30 @@
<p>Note that gamma adjustments are also available via the <a href="command-line-options.html#level">-level</a> operator.</p>
<div style="margin: auto;">
- <h4><a id="gaussian-blur"></a>-gaussian-blur <var>radius</var><br>-gaussian-blur <var>radius</var>x<var>sigma</var></h4>
+ <h3 class="magick-header"><a id="gaussian-blur"></a>-gaussian-blur <var>radius</var><br />-gaussian-blur <var>radius</var>x<var>sigma</var></h3>
</div>
<p class="magick-description">Blur the image with a Gaussian operator.</p>
<p>Convolve the image with a Gaussian or normal distribution using the given
-<var>Sigma</var> value. The formula is:</p>
+<var >Sigma</var> value. The formula is:</p>
-<div class="eqn"><img alt="gaussian distribution" width="243px" height="42px" src="../images/gaussian-blur.png">
+<div class="eqn"><img alt="gaussian distribution" width="243px" height="42px" src="../images/gaussian-blur.png"/>
</div>
-<p>The <var>Sigma</var> value is the important argument, and
+<p>The <var >Sigma</var> value is the important argument, and
determines the actual amount of blurring that will take place. </p>
-<p>The <var>Radius</var> is only used to determine the size of the
+<p>The <var >Radius</var> is only used to determine the size of the
array which will hold the calculated Gaussian distribution. It should be an
integer. If not given, or set to zero, IM will calculate the largest possible
radius that will provide meaningful results for the Gaussian distribution.
</p>
-<p>The larger the <var>Radius</var> the radius the slower the
-operation is. However too small a <var>Radius</var>, and sever
-aliasing effects may result. As a guideline, <var>Radius</var>
-should be at least twice the <var>Sigma</var> value, though three
+<p>The larger the <var >Radius</var> the radius the slower the
+operation is. However too small a <var >Radius</var>, and sever
+aliasing effects may result. As a guideline, <var >Radius</var>
+should be at least twice the <var >Sigma</var> value, though three
times will produce a more accurate result. </p>
<p>This differs from the faster <a href="command-line-options.html#blur">-blur</a> operator in that a
@@ -4095,7 +5081,7 @@
<div style="margin: auto;">
- <h4><a id="geometry"></a>-geometry <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="geometry"></a>-geometry <var>geometry</var></h3>
</div>
<p class="magick-description">Set the preferred size and location of the image.</p>
@@ -4103,24 +5089,29 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="gravity"></a>-gravity <var>type</var></h4>
+ <h3 class="magick-header"><a id="gravity"></a>-gravity <var>type</var></h3>
</div>
<p class="magick-description">Sets the current gravity suggestion for various other settings and options.</p>
<p>Choices include: <code>NorthWest</code>, <code>North</code>,
<code>NorthEast</code>, <code>West</code>, <code>Center</code>, <code>East</code>,
-<code>SouthWest</code>, <code>South</code>, <code>SouthEast</code>. Use <a href="command-line-options.html#list">-list gravity</a> to get a complete list of <a href="command-line-options.html#gravity">-gravity</a> settings available in your ImageMagick
+<code>SouthWest</code>, <code>South</code>, <code>SouthEast</code>. Use <a
+href="command-line-options.html#list">-list gravity</a> to get a complete list of <a
+href="command-line-options.html#gravity">-gravity</a> settings available in your ImageMagick
installation.</p>
<p>The direction you choose specifies where to position text or subimages. For
example, a gravity of <code>Center</code> forces the text to be centered within
-the image. By default, the image gravity is <code>NorthWest</code>. See <a href="command-line-options.html#draw">-draw</a> for more details about graphic primitives. Only the
-text primitive of <a href="command-line-options.html#draw">-draw</a> is affected by the <a href="command-line-options.html#gravity">-gravity</a> option.</p>
+the image. By default, the image gravity is <code>NorthWest</code>. See <a
+href="command-line-options.html#draw">-draw</a> for more details about graphic primitives. Only the
+text primitive of <a href="command-line-options.html#draw">-draw</a> is affected by the <a
+href="command-line-options.html#gravity">-gravity</a> option.</p>
<p>The <a href="command-line-options.html#gravity">-gravity</a> option is also used in concert with the
<a href="command-line-options.html#geometry">-geometry</a> setting and other settings or options that
-take <var>geometry</var> as an argument, such as the <a href="command-line-options.html#crop">-crop</a> option. </p>
+take <var>geometry</var> as an argument, such as the <a
+href="command-line-options.html#crop">-crop</a> option. </p>
<p>If a <a href="command-line-options.html#gravity">-gravity</a> setting occurs before another option
or setting having a <var>geometry</var> argument that specifies an
@@ -4141,20 +5132,22 @@
-negate output.png
</pre>
-<p>When used as an option to <a href="composite.html">composite</a>, <a href="command-line-options.html#gravity">-gravity</a> gives the direction that the image gravitates
+<p>When used as an option to <a href="composite.html">composite</a>, <a
+href="command-line-options.html#gravity">-gravity</a> gives the direction that the image gravitates
within the composite.</p>
-<p>When used as an option to <a href="montage.html">montage</a>, <a href="command-line-options.html#gravity">-gravity</a> gives the direction that an image gravitates
+<p>When used as an option to <a href="montage.html">montage</a>, <a
+href="command-line-options.html#gravity">-gravity</a> gives the direction that an image gravitates
within a tile. The default gravity is <code>Center</code> for this purpose.</p>
<div style="margin: auto;">
- <h4><a id="grayscale"></a>-grayscale <var>method</var></h4>
+ <h3 class="magick-header"><a id="grayscale"></a>-grayscale <var>method</var></h3>
</div>
<p class="magick-description">convert image to grayscale.</p>
-<p>This will use one of the <a href="command-line-options.html#intensity">-intensity</a> methods to
+<p>This will use one of the <a href="command-line-options.html#intensity" >-intensity</a> methods to
convert the given image into a linear-grayscale image. </p>
<p>For example, to convert an image to (linear) Rec709Luminance grayscale, type:</p>
@@ -4186,20 +5179,20 @@
intensity method will depend on the current colorspace the image is currently
using. </p>
-<p>While this operation uses an <a href="command-line-options.html#intensity">-intensity</a> method,
-it does not use or set the <a href="command-line-options.html#intensity">-intensity</a> setting, so
+<p>While this operation uses an <a href="command-line-options.html#intensity" >-intensity</a> method,
+it does not use or set the <a href="command-line-options.html#intensity" >-intensity</a> setting, so
will not effect other operations that may use that setting.</p>
<div style="margin: auto;">
- <h4><a id="green-primary"></a>-green-primary <var>x,y</var></h4>
+ <h3 class="magick-header"><a id="green-primary"></a>-green-primary <var>x,y</var></h3>
</div>
<p class="magick-description">green chromaticity primary point.</p>
<div style="margin: auto;">
- <h4><a id="hald-clut"></a>-hald-clut</h4>
+ <h3 class="magick-header"><a id="hald-clut"></a>-hald-clut</h3>
</div>
<p class="magick-description">apply a Hald color lookup table to the image.</p>
@@ -4219,29 +5212,30 @@
<p>Note that the representation is only of the normal RGB color space and that
the whole color value triplet is used for the interpolated lookup of the
-represented Hald color cube image. Because of this the operation is not <a href="command-line-options.html#channel">-channel</a> setting effected, nor can it adjust or modify an
+represented Hald color cube image. Because of this the operation is not <a
+href="command-line-options.html#channel" >-channel</a> setting effected, nor can it adjust or modify an
images transparency or alpha/matte channel.</p>
-<p>See also <a href="command-line-options.html#clut">-clut</a> which provides color value replacement
+<p>See also <a href="command-line-options.html#clut" >-clut</a> which provides color value replacement
of the individual color channels, usually involving a simpler gray-scale
image. E.g: gray-scale to color replacement, or modification by a histogram
mapping. </p>
<div style="margin: auto;">
- <h4><a id="help"></a>-help</h4>
+ <h3 class="magick-header"><a id="help"></a>-help</h3>
</div>
<p class="magick-description">print usage instructions.</p>
<div style="margin: auto;">
- <h4><a id="highlight-color"></a>-highlight-color <var>color</var></h4>
+ <h3 class="magick-header"><a id="highlight-color"></a>-highlight-color <var>color</var></h3>
</div>
<p class="magick-description">when comparing images, emphasize pixel differences with this color.</p>
<div style="margin: auto;">
- <h4><a id="hough-lines"></a>-hough-lines <var>width</var>x<var>height</var>{<var>+threshold</var>}</h4>
+ <h3 class="magick-header"><a id="hough-lines"></a>-hough-lines <var>width</var>x<var>height</var>{<var>+threshold</var>}</h3>
</div>
<p class="magick-description">identify straight lines in the image (e.g. -hough-lines 9x9+195).</p>
@@ -4252,18 +5246,18 @@
<p>The WxH arguments specify the filter size for locating the peaks in the Hough accumulator. The threshold excludes lines whose counts are less than the threshold value.</p>
-<p>Use <code><a href="command-line-options.html#background">-background</a></code> to specify the color of the background onto which the lines will be drawn. The default is black.</p>
+<p>Use <code><a href="command-line-options.html#background" >-background</a></code> to specify the color of the background onto which the lines will be drawn. The default is black.</p>
-<p>Use <code><a href="command-line-options.html#fill">-fill</a></code> to specify the color of the lines. The default is black.</p>
+<p>Use <code><a href="command-line-options.html#fill" >-fill</a></code> to specify the color of the lines. The default is black.</p>
-<p>Use <code><a href="command-line-options.html#stroke">-stroke</a></code> and <code><a href="command-line-options.html#strokewidth">-strokewidth</a></code> to specify the thickness of the lines. The default is black and no strokewidth.</p>
+<p>Use <code><a href="command-line-options.html#stroke" >-stroke</a></code> and <code><a href="command-line-options.html#strokewidth" >-strokewidth</a></code> to specify the thickness of the lines. The default is black and no strokewidth.</p>
<p>A text file listing the endpoints and counts may be created by using the suffix, .mvg, for the output image.</p>
-<p>Use <code><a href="command-line-options.html#define">-define</a> hough-lines:accumulator=true</code> to return the accumulator image in addition to the lines image.</p>
+<p>Use <code><a href="command-line-options.html#define" >-define</a> hough-lines:accumulator=true</code> to return the accumulator image in addition to the lines image.</p>
<div style="margin: auto;">
- <h4><a id="iconGeometry"></a>-iconGeometry <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="iconGeometry"></a>-iconGeometry <var>geometry</var></h3>
</div>
<p class="magick-description">specify the icon geometry.</p>
@@ -4275,13 +5269,13 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="iconic"></a>-iconic</h4>
+ <h3 class="magick-header"><a id="iconic"></a>-iconic</h3>
</div>
<p class="magick-description">start in icon mode in X Windows", 'animate', 'display</p>
<div style="margin: auto;">
- <h4><a id="identify"></a>-identify</h4>
+ <h3 class="magick-header"><a id="identify"></a>-identify</h3>
</div>
<p class="magick-description">identify the format and characteristics of the image.</p>
@@ -4292,7 +5286,8 @@
a description of the image class.</p>
<p>If <a href="command-line-options.html#colors">-colors</a> is also specified, the total unique colors
-in the image and color reduction error values are printed. Refer to <a href="quantize.html">color
+in the image and color reduction error values are printed. Refer to <a
+href="quantize.html">color
reduction algorithm</a> for a description of these values.</p>
<p>If <a href="command-line-options.html#verbose">-verbose</a> precedes this option, copious
@@ -4300,7 +5295,7 @@
image histogram, and others.</p>
<div style="margin: auto;">
- <h4><a id="ift"></a>-ift</h4>
+ <h3 class="magick-header"><a id="ift"></a>-ift</h3>
</div>
<p class="magick-description">implements the inverse discrete Fourier transform (DFT).</p>
@@ -4308,7 +5303,8 @@
<p>This option is new as of ImageMagick 6.5.4-3 (and now working for Windows
users in ImageMagick 6.6.0-9). It transforms a pair of magnitude and phase
images from the frequency domain to a single image in the normal or spatial
-domain. See for example, <a href="http://en.wikipedia.org/wiki/Fourier_transform">Fourier Transform</a>,
+domain. See for example, <a
+href="http://en.wikipedia.org/wiki/Fourier_transform">Fourier Transform</a>,
<a href="http://en.wikipedia.org/wiki/DFT">Discrete Fourier Transform</a> and
<a href="http://en.wikipedia.org/wiki/FFT">Fast Fourier Transform</a>.</p>
@@ -4326,7 +5322,8 @@
</pre>
<p>The resulting image may need to be cropped due to padding introduced when
-the original image, prior to the <a href="command-line-options.html#fft">-fft</a> or <a href="command-line-options.html#fft">+fft</a>, was not square or even dimensioned. Any padding is at
+the original image, prior to the <a href="command-line-options.html#fft">-fft</a> or <a
+href="command-line-options.html#fft">+fft</a>, was not square or even dimensioned. Any padding is at
the right and/or bottom sides of the image.</p>
<p>The <a href="http://www.fftw.org/">FFTW</a> delegate library is required to
@@ -4336,22 +5333,22 @@
and imaginary images from the frequency domain to a single image in the normal
(spatial) domain.</p>
-<p>By default the IFT is not normalized (and the FFT is). Use "<code><a href="command-line-options.html#define">-define</a> fourier:normalize=inverse</code> to explictly normalize the IFT and unnormalize the FFT.</p>
+<p>By default the IFT is not normalized (and the FFT is). Use "<code><a href="command-line-options.html#define" >-define</a> fourier:normalize=inverse</code> to explictly normalize the IFT and unnormalize the FFT.</p>
<div style="margin: auto;">
- <h4><a id="immutable"></a>-immutable</h4>
+ <h3 class="magick-header"><a id="immutable"></a>-immutable</h3>
</div>
<p class="magick-description">make image immutable.</p>
<div style="margin: auto;">
- <h4><a id="implode"></a>-implode <var>factor</var></h4>
+ <h3 class="magick-header"><a id="implode"></a>-implode <var>factor</var></h3>
</div>
<p class="magick-description">implode image pixels about the center.</p>
<div style="margin: auto;">
- <h4><a id="insert"></a>-insert <var>index</var></h4>
+ <h3 class="magick-header"><a id="insert"></a>-insert <var>index</var></h3>
</div>
<p class="magick-description">insert the last image into the image sequence.</p>
@@ -4366,7 +5363,7 @@
Consequently this has no effect on the image sequence order.</p>
<div style="margin: auto;">
- <h4><a id="intensity"></a>-intensity <var>method</var></h4>
+ <h3 class="magick-header"><a id="intensity"></a>-intensity <var>method</var></h3>
</div>
<p class="magick-description">method to generate intensity value from pixel.</p>
@@ -4403,24 +5400,27 @@
</pre>
<p>These methods are often used for other purposes, such as generating a
-grayscale difference image between two color images (using <a href="command-line-options.html#compose">-compose</a> '<code>Difference</code>' composition. </p>
+grayscale difference image between two color images (using <a href="command-line-options.html#compose"
+>-compose</a> '<code>Difference</code>' composition. </p>
<p> For example The 'MS' (Mean Squared) setting is good for minimizing color
error comparisions. While... The method 'RMS' (Root Mean Squared) for
example is appropriate for calculating color vector distance, from a color
-difference image. This is equivalent to the color only component of the <a href="command-line-options.html#fuzz">-fuzz</a> factor color compare setting. </p>
+difference image. This is equivalent to the color only component of the <a
+href="command-line-options.html#fuzz" >-fuzz</a> factor color compare setting. </p>
-<p>See also <a href="command-line-options.html#grayscale">-grayscale</a> which applies one of the above
-grayscaling formula directly to an image without setting the <a href="command-line-options.html#intensity">-intensity</a> setting.</p>
+<p>See also <a href="command-line-options.html#grayscale" >-grayscale</a> which applies one of the above
+grayscaling formula directly to an image without setting the <a
+href="command-line-options.html#intensity" >-intensity</a> setting.</p>
-<p>The <a href="command-line-options.html#colorspace">-colorspace gray</a> image conversion also uses
+<p>The <a href="command-line-options.html#colorspace" >-colorspace gray</a> image conversion also uses
the current intensity setting, but will always convert the image to the
appropriate sRGB or linear-RGB colorspace before appling the above
function.</p>
<p>To print a complete list of posible pixel intensity setting methods, use <a href="command-line-options.html#list">-list intensity</a>.</p>
-<p>Operators affected by the <a href="command-line-options.html#intensity">-intensity</a> setting include:</p>
+<p>Operators affected by the <a href="command-line-options.html#intensity" >-intensity</a> setting include:</p>
<pre>
-adaptive-blur
@@ -4441,7 +5441,7 @@
</pre>
<div style="margin: auto;">
- <h4><a id="intent"></a>-intent <var>type</var></h4>
+ <h3 class="magick-header"><a id="intent"></a>-intent <var>type</var></h3>
</div>
<p class="magick-description">use this type of rendering intent when managing the image color.</p>
@@ -4455,7 +5455,7 @@
<p>To print a complete list of rendering intents, use <a href="command-line-options.html#list">-list intent</a>.</p>
<div style="margin: auto;">
- <h4><a id="interlace"></a>-interlace <var>type</var></h4>
+ <h3 class="magick-header"><a id="interlace"></a>-interlace <var>type</var></h3>
</div>
<p class="magick-description">the type of interlacing scheme.</p>
@@ -4491,7 +5491,7 @@
interlace</a>.</p>
<div style="margin: auto;">
- <h4><a id="interpolate"></a>-interpolate <var>type</var></h4>
+ <h3 class="magick-header"><a id="interpolate"></a>-interpolate <var>type</var></h3>
</div>
<p class="magick-description">Set the pixel color interpolation method to use when looking up a color based on a floating point or real value.</p>
@@ -4502,60 +5502,70 @@
the pixels surrounding that point. That is how to determine the color of a
point that falls between two, or even four different colored pixels. </p>
-<pre>
- integer The color of the top-left pixel (floor function)
- nearest-neighbor The nearest pixel to the lookup point (rounded function)
- average The average color of the surrounding four pixels
- bilinear A double linear interpolation of pixels (the default)
- mesh Divide area into two flat triangular interpolations
- bicubic Fitted bicubic-spines of surrounding 16 pixels
- spline Direct spline curves (colors are blurred)
- filter Use resize <a href="command-line-options.html#filter">-filter</a> settings
-</pre>
+<dl class="dl-horizontal">
+ <dt>integer</dt>
+ <dd>The color of the top-left pixel (floor function)</dd>
+ <dt>nearest-neighbor</dt>
+ <dd>The nearest pixel to the lookup point (rounded function)</dd>
+ <dt>average</dt>
+ <dd>The average color of the surrounding four pixels</dd>
+ <dt>bilinear</dt>
+ <dd>A double linear interpolation of pixels (the default)</dd>
+ <dt>mesh</dt>
+ <dd>Divide area into two flat triangular interpolations</dd>
+ <dt>bicubic</dt>
+ <dd>Fitted bicubic-spines of surrounding 16 pixels</dd>
+ <dt>spline</dt>
+ <dd>Direct spline curves (colors are blurred)</dd>
+ <dt>filter</dt>
+ <dd>Use resize <a href="command-line-options.html#filter">-filter</a> settings</dd>
+</dl>
-<p>This most important for distortion operators such as <a href="command-line-options.html#distort">-distort</a>, <a href="command-line-options.html#implode">-implode</a>, <a href="command-line-options.html#transform">-transform</a> and <a href="command-line-options.html#fx">-fx</a>. </p>
+<p>This most important for distortion operators such as <a href="command-line-options.html#distort"
+>-distort</a>, <a href="command-line-options.html#implode" >-implode</a>, <a href="command-line-options.html#transform"
+>-transform</a> and <a href="command-line-options.html#fx" >-fx</a>. </p>
<p>To print a complete list of interpolation methods, use <a href="command-line-options.html#list">-list interpolate</a>.</p>
-<p>See also <a href="command-line-options.html#virtual-pixel">-virtual-pixel</a>, for control of the
+<p>See also <a href="command-line-options.html#virtual-pixel" >-virtual-pixel</a>, for control of the
lookup for positions outside the boundaries of the image. </p>
<div style="margin: auto;">
- <h4><a id="interline-spacing"></a>-interline-spacing <var>value</var></h4>
+ <h3 class="magick-header"><a id="interline-spacing"></a>-interline-spacing <var>value</var></h3>
</div>
<p class="magick-description">the space between two text lines.</p>
<div style="margin: auto;">
- <h4><a id="interword-spacing"></a>-interword-spacing <var>value</var></h4>
+ <h3 class="magick-header"><a id="interword-spacing"></a>-interword-spacing <var>value</var></h3>
</div>
<p class="magick-description">the space between two words.</p>
<div style="margin: auto;">
- <h4><a id="kerning"></a>-kerning <var>value</var></h4>
+ <h3 class="magick-header"><a id="kerning"></a>-kerning <var>value</var></h3>
</div>
<p class="magick-description">the space between two letters.</p>
<div style="margin: auto;">
- <h4><a id="kuwahara"></a>-kuwahara <var>radius</var><br>-kuwahara <var>radius</var>x<var>sigma</var></h4>
+ <h3 class="magick-header"><a id="kuwahara"></a>-kuwahara <var>radius</var><br />-kuwahara <var>radius</var>x<var>sigma</var></h3>
</div>
<p class="magick-description">edge preserving noise reduction filter.</p>
-<p>The <var>radius</var> is more important than the <var>sigma</var>. If <var>sigma</var> is left off, it will be computed automatically from the <var>radius</var> as <var>sigma</var>=<var>radius</var>-0.5. The <var>sigma</var> provides a bit of additional smoothing control.</p>
+<p>The <var >radius</var> is more important than the <var >sigma</var>. If <var >sigma</var> is left off, it will be computed automatically from the <var >radius</var> as <var >sigma</var>=<var >radius</var>-0.5. The <var >sigma</var> provides a bit of additional smoothing control.</p>
<div style="margin: auto;">
- <h4><a id="label"></a>-label <var>name</var></h4>
+ <h3 class="magick-header"><a id="label"></a>-label <var>name</var></h3>
</div>
<p class="magick-description">assign a label to an image.</p>
<p>Use this option to assign a specific label to the image, as it is read in
-or created. You can use the <a href="command-line-options.html#set">-set</a> operation to re-assign
+or created. You can use the <a href="command-line-options.html#set" >-set</a> operation to re-assign
a the labels of images already read in. Image formats such as TIFF, PNG,
MIFF, supports saving the label information with the image.</p>
@@ -4569,9 +5579,9 @@
<p>For example,</p>
-<p class="crtsnip">
- -label "%m:%f %wx%h" bird.miff
-</p>
+<pre>
+-label "%m:%f %wx%h" bird.miff
+</pre>
<p>assigns an image label of <code>MIFF:bird.miff 512x480</code> to the
"<code>bird.miff</code>" image and whose width is 512 and height is 480, as it
@@ -4590,7 +5600,7 @@
<div style="margin: auto;">
- <h4><a id="lat"></a>-lat <var>width</var><br>-lat <var>width</var>x<var>height</var>{<var>+-</var>}<var>offset</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="lat"></a>-lat <var>width</var><br />-lat <var>width</var>x<var>height</var>{<var>+-</var>}<var>offset</var>{<var>%</var>}</h3>
</div>
<p class="magick-description">perform local adaptive threshold.</p>
@@ -4608,7 +5618,7 @@
<div style="margin: auto;">
- <h4><a id="layers"></a>-layers <var>method</var></h4>
+ <h3 class="magick-header"><a id="layers"></a>-layers <var>method</var></h3>
</div>
<p class="magick-description">handle multiple images forming a set of image layers or animation frames.</p>
@@ -4627,10 +5637,12 @@
<tr>
<td>compare-any</td>
<td>Crop the second and later frames to the smallest rectangle
- that contains all the differences between the two images. No GIF <a href="command-line-options.html#dispose">-dispose</a> methods are taken into account. </td>
+ that contains all the differences between the two images. No GIF <a
+ href="command-line-options.html#dispose" >-dispose</a> methods are taken into account. </td>
</tr>
- <tr><td></td><td>This exactly the same as the <a href="command-line-options.html#deconstruct">-deconstruct</a> operator, and does not preserve animations normal
+ <tr><td></td><td>This exactly the same as the <a href="command-line-options.html#deconstruct"
+ >-deconstruct</a> operator, and does not preserve animations normal
working, especially when animation used layer disposal methods such as
'<code>Previous</code>' or '<code>Background</code>'. </td>
</tr>
@@ -4649,14 +5661,15 @@
That is the smallest single overlaid image to add or change colors. </td>
</tr>
- <tr><td></td><td>This can be used with the <a href="command-line-options.html#compose">-compose</a> alpha
+ <tr><td></td><td>This can be used with the <a href="command-line-options.html#compose" >-compose</a> alpha
composition method '<code>change-mask</code>', to reduce the image to
just the pixels that need to be overlaid. </td>
</tr>
<tr>
<td>coalesce</td>
- <td>Equivalent to a call to the <a href="command-line-options.html#coalesce">-coalesce</a> operator. Apply the layer disposal methods set in the
+ <td>Equivalent to a call to the <a href="command-line-options.html#coalesce"
+ >-coalesce</a> operator. Apply the layer disposal methods set in the
current image sequence to form a fully defined animation sequence, as
it should be displayed. Effectively converting a GIF animation into a
'film strip'-like animation. </td>
@@ -4673,9 +5686,10 @@
<tr><td></td>
- <td>The <a href="command-line-options.html#geometry">-geometry</a> offset is adjusted according
- to <a href="command-line-options.html#gravity">-gravity</a> in accordance of the virtual
- canvas size of the first image in each list. Unlike a normal <a href="command-line-options.html#composite">-composite</a> operation, the canvas offset is also
+ <td>The <a href="command-line-options.html#geometry" >-geometry</a> offset is adjusted according
+ to <a href="command-line-options.html#gravity" >-gravity</a> in accordance of the virtual
+ canvas size of the first image in each list. Unlike a normal <a
+ href="command-line-options.html#composite" >-composite</a> operation, the canvas offset is also
added to the final composite positioning of each image. </td> </tr>
<tr><td></td>
@@ -4691,7 +5705,8 @@
<td>This like '<code>coalesce</code>' but shows the look of
the animation after the layer disposal method has been applied, before
the next sub-frame image is overlaid. That is the 'dispose' image that
- results from the application of the GIF <a href="command-line-options.html#dispose">-dispose</a> method. This allows you to check what
+ results from the application of the GIF <a href="command-line-options.html#dispose"
+ >-dispose</a> method. This allows you to check what
is going wrong with a particular animation you may be developing.
</td>
</tr>
@@ -4699,8 +5714,8 @@
<tr>
<td>flatten</td>
<td>Create a canvas the size of the first images virtual
- canvas using the current <a href="command-line-options.html#background">-background</a> color,
- and <a href="command-line-options.html#compose">-compose</a> each image in turn onto that
+ canvas using the current <a href="command-line-options.html#background" >-background</a> color,
+ and <a href="command-line-options.html#compose" >-compose</a> each image in turn onto that
canvas. Images falling outside that canvas is clipped. Final
image will have a zero virtual canvas offset. </td>
</tr>
@@ -4729,7 +5744,7 @@
<tr><td></td><td>Caution is advised when handling image layers with
negative offsets as few image file formats handle them correctly.
- Following this operation method with <a href="command-line-options.html#repage">+repage</a>
+ Following this operation method with <a href="command-line-options.html#repage" >+repage</a>
will remove the layer offset, and create an image in which all the
overlaid image positions relative to each other is preserved, though
not necessarily exactly where you specified them.
@@ -4805,7 +5820,7 @@
<td>optimize-transparency</td>
<td>Given a GIF animation, replace any pixel in the sub-frame
overlay images with transparency, if it does not change the resulting
- animation by more than the current <a href="command-line-options.html#fuzz">-fuzz</a> factor.
+ animation by more than the current <a href="command-line-options.html#fuzz" >-fuzz</a> factor.
</td>
</tr>
@@ -4855,7 +5870,7 @@
</tr>
<tr><td></td><td>The result is much like if you used 'merge' followed by a
- <a href="command-line-options.html#repage">+repage</a> option, except that all the images
+ <a href="command-line-options.html#repage" >+repage</a> option, except that all the images
have been kept separate. If 'flatten' is used after using
'trim-bounds' you will get the same result. </td>
</tr>
@@ -4865,14 +5880,17 @@
<p>To print a complete list of layer types, use <a href="command-line-options.html#list">-list layers</a>.</p>
-<p>The operators <a href="command-line-options.html#coalesce">-coalesce</a>, <a href="command-line-options.html#deconstruct">-deconstruct</a>, <a href="command-line-options.html#flatten">-flatten</a>, and <a href="command-line-options.html#mosaic">-mosaic</a> are only aliases for the above methods and may be depreciated in
-the future. Also see <a href="command-line-options.html#page">-page</a>, <a href="command-line-options.html#repage">-repage</a> operators, the <a href="command-line-options.html#compose">-compose</a> setting, and the
-GIF <a href="command-line-options.html#dispose">-dispose</a> and <a href="command-line-options.html#delay">-delay</a>
+<p>The operators <a href="command-line-options.html#coalesce" >-coalesce</a>, <a href="command-line-options.html#deconstruct"
+>-deconstruct</a>, <a href="command-line-options.html#flatten" >-flatten</a>, and <a href="command-line-options.html#mosaic"
+>-mosaic</a> are only aliases for the above methods and may be depreciated in
+the future. Also see <a href="command-line-options.html#page" >-page</a>, <a href="command-line-options.html#repage"
+>-repage</a> operators, the <a href="command-line-options.html#compose" >-compose</a> setting, and the
+GIF <a href="command-line-options.html#dispose" >-dispose</a> and <a href="command-line-options.html#delay" >-delay</a>
settings. </p>
<div style="margin: auto;">
- <h4><a id="level"></a>-level <var>black_point</var>{,<var>white_point</var>}{<var>%</var>}{,<var>gamma</var>}</h4>
+ <h3 class="magick-header"><a id="level"></a>-level <var>black_point</var>{,<var>white_point</var>}{<var>%</var>}{,<var>gamma</var>}</h3>
</div>
<p class="magick-description">adjust the level of image channels.</p>
@@ -4882,7 +5900,8 @@
white points range from 0 to <var>QuantumRange</var>, or from 0 to
100%; if the white point is omitted it is set to (<var>QuantumRange</var> - black_point), so as to center contrast changes.
If a <code>%</code> sign is present anywhere in the string, both black and white
-points are percentages of the full color range. Gamma will do a <a href="command-line-options.html#gamma">-gamma</a> adjustment of the values. If it is omitted, the
+points are percentages of the full color range. Gamma will do a <a
+href="command-line-options.html#gamma">-gamma</a> adjustment of the values. If it is omitted, the
default of 1.0 (no gamma correction) is assumed.</p>
<p>In normal usage (<code>-level</code>) the image values are stretched so that
@@ -4909,7 +5928,7 @@
<div style="margin: auto;">
- <h4><a id="level-colors"></a>-level-colors {<var>black_color</var>}{,}{<var>white_color</var>}</h4>
+ <h3 class="magick-header"><a id="level-colors"></a>-level-colors {<var>black_color</var>}{,}{<var>white_color</var>}</h3>
</div>
<p class="magick-description">adjust the level of an image using the provided dash separated colors.</p>
@@ -4939,7 +5958,7 @@
<div style="margin: auto;">
- <h4><a id="limit"></a>-limit <var>type value</var></h4>
+ <h3 class="magick-header"><a id="limit"></a>-limit <var>type value</var></h3>
</div>
<p class="magick-description">Set the pixel cache resource limit.</p>
@@ -4958,14 +5977,14 @@
compensating actions, if possible. For example, the following limits
memory:</p>
-<p class="crtsnip">
- -limit memory 32MiB -limit map 64MiB
-</p>
+<pre>
+-limit memory 32MiB -limit map 64MiB
+</pre>
<p>Use <a href="command-line-options.html#list">-list resource</a> to list the current limits. For example, our system shows these limits:</p>
<pre>
--> identify -list resource
+-> identify -list resource
Resource limits:
Width: 100MP
Height: 100MP
@@ -4981,7 +6000,7 @@
<p>Requests for pixel storage to keep intermediate images are satisfied by one
of three resource categories: in-memory pool, memory-mapped files pool, and
-disk pool (in that order) depending on the <a href="command-line-options.html#limit">‑limit</a> settings
+disk pool (in that order) depending on the <a href="command-line-options.html#limit">‑limit</a> settings
and whether the system honors a resource request. If the total size of
allocated pixel storage in the given pool reaches the corresponding limit, the
request is passed to the next pool. Additionally, requests that exceed the
@@ -5010,9 +6029,9 @@
the Internet. To assure ImageMagick does not exceed 10MiB of memory you can
simply set the area limit to 10MiB:</p>
-<p class="crtsnip">
+<pre>
-limit area 10MB
-</p>
+</pre>
<p>Now whenever a large image is processed, the pixels are automagically
cached to disk instead of memory. This of course implies that large images
@@ -5021,14 +6040,14 @@
might inadvertently upload a huge image to process, you should set a disk
limit as well:</p>
-<p class="crtsnip">
+<pre>
-limit area 10MB -limit disk 500MB
-</p>
+</pre>
<p>Here ImageMagick stops processing if an image requires more than 500MB of disk storage.</p>
<p>In addition to command-line resource limit option, resources can be set
-with <a href="resources.html#environment">environment variables</a>. Set the
+with <a href="resources.html#environment" >environment variables</a>. Set the
environment variables <code>MAGICK_AREA_LIMIT</code>,
<code>MAGICK_DISK_LIMIT</code>, <code>MAGICK_FILE_LIMIT</code>,
<code>MAGICK_MEMORY_LIMIT</code>, <code>MAGICK_MAP_LIMIT</code>,
@@ -5044,40 +6063,42 @@
</p>
<p>For more about ImageMagick's use of resources, see the section <b>Cache
-Storage and Resource Requirements</b> on the <a href="architecture.html#cache%20">Architecture</a> page. </p>
+Storage and Resource Requirements</b> on the <a href="architecture.html#cache
+">Architecture</a> page. </p>
<div style="margin: auto;">
- <h4><a id="linear-stretch"></a>-linear-stretch <var>black-point</var><br>-linear-stretch <var>black-point</var>{x<var>white-point</var>}{<var>%</var>}}</h4>
+ <h3 class="magick-header"><a id="linear-stretch"></a>-linear-stretch <var>black-point</var><br />-linear-stretch <var>black-point</var>{x<var>white-point</var>}{<var>%</var>}}</h3>
</div>
<p class="magick-description">Linear with saturation stretch.</p>
-<p>This is very similar to <a href="command-line-options.html#contrast-stretch">-contrast-stretch</a>,
+<p>This is very similar to <a href="command-line-options.html#contrast-stretch" >-contrast-stretch</a>,
and uses a 'histogram bin' to determine the range of color values that needs to
-be stretched. However it then stretches those colors using the <a href="command-line-options.html#level">-level</a> operator.</p>
+be stretched. However it then stretches those colors using the <a
+href="command-line-options.html#level" >-level</a> operator.</p>
<p>As such while the initial determination may have 'binning' round off
effects, the image colors are stretched mathematically, rather than using the
histogram bins. This makes the operator more accurate. </p>
-<p>note however that a <a href="command-line-options.html#linear-stretch">-linear-stretch</a> of
+<p>note however that a <a href="command-line-options.html#linear-stretch" >-linear-stretch</a> of
'<code>0</code>' does nothing, while a value of '<code>1</code>' does a near
perfect stretch of the color range. </p>
-<p>See also <a href="command-line-options.html#auto-level">-auto-level</a> for a 'perfect'
+<p>See also <a href="command-line-options.html#auto-level" >-auto-level</a> for a 'perfect'
normalization of mathematical images. </p>
<p>This operator is under review for re-development. </p>
<div style="margin: auto;">
- <h4><a id="linewidth"></a>-linewidth</h4>
+ <h3 class="magick-header"><a id="linewidth"></a>-linewidth</h3>
</div>
<p class="magick-description">the line width for subsequent draw operations.</p>
<div style="margin: auto;">
- <h4><a id="liquid-rescale"></a>-liquid-rescale <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="liquid-rescale"></a>-liquid-rescale <var>geometry</var></h3>
</div>
<p class="magick-description">rescale image with seam-carving.</p>
@@ -5085,7 +6106,7 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="list"></a>-list <var>type</var></h4>
+ <h3 class="magick-header"><a id="list"></a>-list <var>type</var></h3>
</div>
<p class="magick-description">Print a list of supported arguments for various options or settings. Choose from these list types:</p>
@@ -5119,29 +6140,30 @@
</pre>
<div style="margin: auto;">
- <h4><a id="log"></a>-log <var>string</var></h4>
+ <h3 class="magick-header"><a id="log"></a>-log <var>string</var></h3>
</div>
<p class="magick-description">Specify format for debug log.</p>
-<p>This option specifies the format for the log printed when the <a href="command-line-options.html#debug">-debug</a> option is active.</p>
+<p>This option specifies the format for the log printed when the <a
+href="command-line-options.html#debug">-debug</a> option is active.</p>
<p>You can display the following components by embedding special format
characters:</p>
<pre>
- %d domain
- %e event
- %f function
- %l line
- %m module
- %p process ID
- %r real CPU time
- %t wall clock time
- %u user CPU time
- %% percent sign
- \n newline
- \r carriage return
+%d domain
+%e event
+%f function
+%l line
+%m module
+%p process ID
+%r real CPU time
+%t wall clock time
+%u user CPU time
+%% percent sign
+\n newline
+\r carriage return
</pre>
<p>For example:</p>
@@ -5153,7 +6175,7 @@
<p>The default behavior is to print all of the components.</p>
<div style="margin: auto;">
- <h4><a id="loop"></a>-loop <var>iterations</var></h4>
+ <h3 class="magick-header"><a id="loop"></a>-loop <var>iterations</var></h3>
</div>
<p class="magick-description">add Netscape loop extension to your GIF animation.</p>
@@ -5163,20 +6185,20 @@
times.</p>
<div style="margin: auto;">
- <h4><a id="lowlight-color"></a>-lowlight-color <var>color</var></h4>
+ <h3 class="magick-header"><a id="lowlight-color"></a>-lowlight-color <var>color</var></h3>
</div>
<p class="magick-description">when comparing images, de-emphasize pixel differences with this color.</p>
<div style="margin: auto;">
- <h4><a id="magnify"></a>-magnify</h4>
+ <h3 class="magick-header"><a id="magnify"></a>-magnify</h3>
</div>
<p class="magick-description">double the size of the image with pixel art scaling.</p>
<div style="margin: auto;">
- <h4><a id="map"></a>-map <var>type</var></h4>
+ <h3 class="magick-header"><a id="map"></a>-map <var>type</var></h3>
</div>
<p class="magick-description">Display image using this <var>type</var>.</p>
@@ -5184,12 +6206,12 @@
<p>Choose from these <var>Standard Colormap</var> types:</p>
<pre>
- best
- default
- gray
- red
- green
- blue
+best
+default
+gray
+red
+green
+blue
</pre>
<p>The <var>X server</var> must support the <var>Standard
@@ -5199,7 +6221,7 @@
<div style="margin: auto;">
- <h4><a id="map_stream_"></a>-map <var>components</var></h4>
+ <h3 class="magick-header"><a id="map_stream_"></a>-map <var>components</var></h3>
</div>
<p class="magick-description">pixel map.</p>
@@ -5207,17 +6229,17 @@
<p>Here are the valid components of a map:</p>
<pre>
- r red pixel component
- g green pixel component
- b blue pixel component
- a alpha pixel component (0 is transparent)
- o opacity pixel component (0 is opaque)
- i grayscale intensity pixel component
- c cyan pixel component
- m magenta pixel component
- y yellow pixel component
- k black pixel component
- p pad component (always 0)
+r red pixel component
+g green pixel component
+b blue pixel component
+a alpha pixel component (0 is transparent)
+o opacity pixel component (0 is opaque)
+i grayscale intensity pixel component
+c cyan pixel component
+m magenta pixel component
+y yellow pixel component
+k black pixel component
+p pad component (always 0)
</pre>
<p>You can specify as many of these components as needed in any order (e.g.
@@ -5225,8 +6247,8 @@
<div style="margin: auto;">
- <h4><a id="mask"></a>-mask
-<var>filename</var></h4>
+ <h3 class="magick-header"><a id="mask"></a>-mask
+<var>filename</var></h3>
</div>
<p class="magick-description">Prevent updates to image pixels specified by the mask.</p>
@@ -5241,39 +6263,40 @@
but with strict boolean masking. </p>
<div style="margin: auto;">
- <h4><a id="mattecolor"></a>-mattecolor <var>color</var></h4>
+ <h3 class="magick-header"><a id="mattecolor"></a>-mattecolor <var>color</var></h3>
</div>
<p class="magick-description">Specify the color to be used with the <a href="command-line-options.html#frame">-frame</a> option.</p>
<p>The color is specified using the format described under the <a href="command-line-options.html#fill">-fill</a> option.</p>
-<p>The default matte color is <code>#BDBDBD</code>, <span style="background-color: #bdbdbd;">this shade of gray</span>.</p>
+<p>The default matte color is <code>#BDBDBD</code>, <span
+style="background-color: #bdbdbd;">this shade of gray</span>.</p>
<div style="margin: auto;">
- <h4><a id="maximum"></a>-maximum</h4>
+ <h3 class="magick-header"><a id="maximum"></a>-maximum</h3>
</div>
<p class="magick-description">return the maximum intensity of an image sequence.</p>
<p>Select the 'maximum' value from all the surrounding pixels. </p>
-<p>This is legacy option from the <a href="command-line-options.html#statistic">method</a> of the same
+<p>This is legacy option from the <a href="command-line-options.html#statistic" >method</a> of the same
name. </p>
<div style="margin: auto;">
- <h4><a id="median"></a>-median <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="median"></a>-median <var>geometry</var></h3>
</div>
<p class="magick-description">apply a median filter to the image.</p>
<p>Select the 'middle' value from all the surrounding pixels. </p>
-<p>This is legacy option from the <a href="command-line-options.html#statistic">method</a> of the same
+<p>This is legacy option from the <a href="command-line-options.html#statistic" >method</a> of the same
name. </p>
<div style="margin: auto;">
- <h4><a id="mean-shift"></a>-mean-shift <var>width</var>x<var>height</var>{<var>+distance</var>{%}}</h4>
+ <h3 class="magick-header"><a id="mean-shift"></a>-mean-shift <var>width</var>x<var>height</var>{<var>+distance</var>{%}}</h3>
</div>
<p class="magick-description">image noise removal and color reduction/segmentation (e.g. -mean-shift 7x7+10%).</p>
@@ -5283,30 +6306,30 @@
<p>The mean shift algorithm is iterative and thus slower the larger the window size. For each pixel, it gets all the pixels in the window centered at the pixel and excludes those that are outside the radius=sqrt((width-1)(height-1)/4) surrounding the pixel. From those pixels, it finds which of them are within the specified squared color distance from the current mean. It then computes a new x,y centroid from those coordinates and a new mean. This new x,y centroid is used as the center for a new window. This process is iterated until it converges and the final mean is then used to replace the original pixel value. It repeats this process for the next pixel, etc, until it processes all pixels in the image. Results are better when using other colorspaces rather than RGB. Recommend YIQ, YUV or YCbCr, which seem to give equivalent results.</p>
<div style="margin: auto;">
- <h4><a id="metric"></a>-metric <var>type</var></h4>
+ <h3 class="magick-header"><a id="metric"></a>-metric <var>type</var></h3>
</div>
<p class="magick-description">Output to STDERR a measure of the differences between images according to the <var>type</var> given metric.</p>
<p>Choose from:</p>
-<pre>
- AE absolute error count, number of different pixels (-fuzz effected)
- FUZZ mean color distance
- MAE mean absolute error (normalized), average channel error distance
- MEPP mean error per pixel (normalized mean error, normalized peak error)
- MSE mean error squared, average of the channel error squared
- NCC normalized cross correlation
- PAE peak absolute (normalized peak absolute)
- PHASH perceptual hash
- PSNR peak signal to noise ratio
- RMSE root mean squared (normalized root mean squared)
-</pre>
+<dl class="dl-horizontal">
+<dt>AE</dt><dd> absolute error count, number of different pixels (-fuzz effected)</dd>
+<dt>FUZZ</dt><dd> mean color distance</dd>
+<dt>MAE</dt><dd> mean absolute error (normalized), average channel error distance</dd>
+<dt>MEPP</dt><dd> mean error per pixel (normalized mean error, normalized peak error)</dd>
+<dt>MSE</dt><dd> mean error squared, average of the channel error squared</dd>
+<dt>NCC</dt><dd> normalized cross correlation</dd>
+<dt>PAE</dt><dd> peak absolute (normalized peak absolute)</dd>
+<dt>PHASH</dt><dd> perceptual hash</dd>
+<dt>PSNR</dt><dd> peak signal to noise ratio</dd>
+<dt>RMSE</dt><dd> root mean squared (normalized root mean squared)</dd>
+</dl>
<p>Control the '<code>AE</code>', or absolute count of pixels that are different,
-with the <a href="command-line-options.html#fuzz">-fuzz</a> factor (ignore pixels which
+with the <a href="command-line-options.html#fuzz" >-fuzz</a> factor (ignore pixels which
only changed by a small amount). Use '<code>PAE</code>' to find the
-size of the <a href="command-line-options.html#fuzz">-fuzz</a> factor needed to make all pixels
+size of the <a href="command-line-options.html#fuzz" >-fuzz</a> factor needed to make all pixels
'similar', while '<code>MAE</code>' determines the factor needed
for about half the pixels to be similar. </p>
@@ -5319,26 +6342,26 @@
<div style="margin: auto;">
- <h4><a id="minimum"></a>-minimum</h4>
+ <h3 class="magick-header"><a id="minimum"></a>-minimum</h3>
</div>
<p class="magick-description">return the minimum intensity of an image sequence.</p>
<p>Select the 'minimal' value from all the surrounding pixels. </p>
-<p>This is legacy option from the <a href="command-line-options.html#statistic">method</a> of the same
+<p>This is legacy option from the <a href="command-line-options.html#statistic" >method</a> of the same
name. </p>
<div style="margin: auto;">
- <h4><a id="mode"></a>-mode <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="mode"></a>-mode <var>geometry</var></h3>
</div>
<p class="magick-description">make each pixel the \'predominant color\' of the neighborhood.'</p>
<div style="margin: auto;">
- <h4>-mode <var>value</var></h4>
+ <h3 class="magick-header">-mode <var>value</var></h3>
</div>
<p class="magick-description">Mode of operation.</p>
@@ -5346,13 +6369,13 @@
<p>Choose the <var>value</var> from these styles: <code>Frame,
Unframe, or Concatenate</code></p>
-<p>Use the <a href="command-line-options.html#list">-list</a> option with a '<code>Mode</code>' argument
-for a list of <a href="command-line-options.html#mode">-mode</a> arguments available in your
+<p>Use the <a href="command-line-options.html#list" >-list</a> option with a '<code>Mode</code>' argument
+for a list of <a href="command-line-options.html#mode" >-mode</a> arguments available in your
ImageMagick installation.</p>
<div style="margin: auto;">
- <h4><a id="modulate"></a>-modulate <var>brightness</var>[,<var>saturation</var>,<var>hue</var>]</h4>
+ <h3 class="magick-header"><a id="modulate"></a>-modulate <var>brightness</var>[,<var>saturation</var>,<var>hue</var>]</h3>
</div>
<p class="magick-description">Vary the <var>brightness</var>, <var>saturation</var>, and <var>hue</var> of an image.</p>
@@ -5377,9 +6400,11 @@
the original image. </p>
<p>For example, to increase the color brightness by 20% and decrease the color
-saturation by 10% and leave the hue unchanged, use <a href="command-line-options.html#modulate">-modulate 120,90</a>.</p>
+saturation by 10% and leave the hue unchanged, use <a
+href="command-line-options.html#modulate">-modulate 120,90</a>.</p>
-<p>Use <a href="command-line-options.html#set">-set</a> attribute of '<code>option:modulate:colorspace</code>' to specify which colorspace to
+<p>Use <a href="command-line-options.html#set">-set</a> attribute of '<code
+>option:modulate:colorspace</code>' to specify which colorspace to
modulate. Choose from <code>HCL</code>, <code>HCLp</code>, <code>HSB</code>, <code>HSI</code>, <code>HSL</code> (the default), <code>HSV</code>, <code>HWB</code>, or <code>LCH</code> (LCHuv). For example,</p>
<pre>
@@ -5387,57 +6412,59 @@
</pre>
<div style="margin: auto;">
- <h4><a id="moments"></a>-moments</h4>
+ <h3 class="magick-header"><a id="moments"></a>-moments</h3>
</div>
<p class="magick-description">report image moments and perceptual hash.</p>
<div style="margin: auto;">
- <h4><a id="monitor"></a>-monitor</h4>
+ <h3 class="magick-header"><a id="monitor"></a>-monitor</h3>
</div>
<p class="magick-description">monitor progress.</p>
<div style="margin: auto;">
- <h4><a id="monochrome"></a>-monochrome</h4>
+ <h3 class="magick-header"><a id="monochrome"></a>-monochrome</h3>
</div>
<p class="magick-description">transform the image to black and white.</p>
<div style="margin: auto;">
- <h4><a id="morph"></a>-morph <var>frames</var></h4>
+ <h3 class="magick-header"><a id="morph"></a>-morph <var>frames</var></h3>
</div>
<p class="magick-description">morphs an image sequence.</p>
<p>Both the image pixels and size are linearly interpolated to give the
appearance of a metamorphosis from one image to the next, over all the images
-in the current image list. The added images are the equivalent of a <a href="command-line-options.html#blend">-blend</a> composition. The <var>frames</var>
+in the current image list. The added images are the equivalent of a <a
+href="command-line-options.html#blend">-blend</a> composition. The <var>frames</var>
argument determine how many images to interpolate between each image. </p>
<div style="margin: auto;">
- <h4><a id="morphology"></a>-morphology</h4>
- <h4>-morphology <var>method</var> <var>kernel</var></h4>
+ <h3 class="magick-header"><a id="morphology"></a>-morphology</h3>
+ <h3 class="magick-header">-morphology <var>method</var> <var>kernel</var></h3>
</div>
<p class="magick-description">apply a morphology method to the image.</p>
-<p>Until I get around to writing an option summary for this, see <a href="http://www.imagemagick.org/Usage/morphology/">IM Usage Examples,
+<p>Until I get around to writing an option summary for this, see <a
+href="http://www.imagemagick.org/Usage/morphology/" >IM Usage Examples,
Morphology</a>. </p>
<div style="margin: auto;">
- <h4><a id="mosaic"></a>-mosaic</h4>
+ <h3 class="magick-header"><a id="mosaic"></a>-mosaic</h3>
</div>
-<p class="magick-description">an simple alias for the <a href="command-line-options.html#layers">-layers</a> method "mosaic"</p>
+<p class="magick-description">an simple alias for the <a href="command-line-options.html#layers" >-layers</a> method "mosaic"</p>
<div style="margin: auto;">
- <h4><a id="motion-blur"></a>-motion-blur <var>radius</var><br>-motion-blur <var>radius</var>x<var>sigma</var>+<var>angle</var></h4>
+ <h3 class="magick-header"><a id="motion-blur"></a>-motion-blur <var>radius</var><br />-motion-blur <var>radius</var>x<var>sigma</var>+<var>angle</var></h3>
</div>
<p class="magick-description">simulate motion blur.</p>
@@ -5454,12 +6481,12 @@
</p>
<div style="margin: auto;">
- <h4><a id="name"></a>-name</h4>
+ <h3 class="magick-header"><a id="name"></a>-name</h3>
</div>
<p class="magick-description">name an image.</p>
<div style="margin: auto;">
- <h4><a id="negate"></a>-negate</h4>
+ <h3 class="magick-header"><a id="negate"></a>-negate</h3>
</div>
<p class="magick-description">replace each pixel with its complementary color.</p>
@@ -5469,8 +6496,8 @@
negate the grayscale pixels of the image.</p>
<div style="margin: auto;">
- <h4><a id="noise"></a>-noise <var>geometry</var><br>
- +noise <var>type</var></h4>
+ <h3 class="magick-header"><a id="noise"></a>-noise <var>geometry</var><br/>
+ +noise <var>type</var></h3>
</div>
<p class="magick-description">Add or reduce noise in an image.</p>
@@ -5484,23 +6511,24 @@
<p>Use <code><a href="command-line-options.html#noise">-noise</a> <var>radius</var></code> to
specify the width of the neighborhood when reducing noise. This is equivalent
-to using a <code><a href="command-line-options.html#statistic">-statistic</a> NonPeak</code> operation,
+to using a <code><a href="command-line-options.html#statistic" >-statistic</a> NonPeak</code> operation,
which should be used in preference.</p>
<p>Use <a href="command-line-options.html#noise">+noise</a> followed by a noise <var>type</var> to add noise to an image. Choose from these noise
types:</p>
<pre>
- Gaussian
- Impulse
- Laplacian
- Multiplicative
- Poisson
- Random
- Uniform
+Gaussian
+Impulse
+Laplacian
+Multiplicative
+Poisson
+Random
+Uniform
</pre>
-<p>The amount of noise added can be controled by the <code><a href="command-line-options.html#attunuuate">-attenuate</a></code> setting. If unset the value is
+<p>The amount of noise added can be controled by the <code><a
+href="command-line-options.html#attunuuate" >-attenuate</a></code> setting. If unset the value is
equivalent to 1.0, or a maximum noise addition.</p>
<p>Note that Random will replace the image with noise rather than add noise to the image. Use Uniform, if you wish to add random noise to the image.</p>
@@ -5513,7 +6541,7 @@
<div style="margin: auto;">
- <h4><a id="normalize"></a>-normalize</h4>
+ <h3 class="magick-header"><a id="normalize"></a>-normalize</h3>
</div>
<p class="magick-description">Increase the contrast in an image by <var>stretching</var> the range of intensity values.</p>
@@ -5522,45 +6550,48 @@
values. While doing so, black-out at most <var>2%</var> of the pixels and
white-out at most <var>1%</var> of the pixels.</p>
-<p>Note that as of ImageMagick 6.4.7-0, <a href="command-line-options.html#normalize">-normalize</a>
-is equivalent to <a href="command-line-options.html#contrast-stretch">-contrast-stretch 2%x1%</a>.
-(Before this version, it was equivalent to <a href="command-line-options.html#contrast-stretch">-contrast-stretch 2%x99%</a>).</p>
+<p>Note that as of ImageMagick 6.4.7-0, <a href="command-line-options.html#normalize" >-normalize</a>
+is equivalent to <a href="command-line-options.html#contrast-stretch" >-contrast-stretch 2%x1%</a>.
+(Before this version, it was equivalent to <a href="command-line-options.html#contrast-stretch"
+>-contrast-stretch 2%x99%</a>).</p>
<p>All the channels are normalized in concert by the came amount so as to
-preserve color integrity, when the default <a href="command-line-options.html#channel">+channel</a>
-setting is in use. Specifying any other <a href="command-line-options.html#channel">-channel</a>
+preserve color integrity, when the default <a href="command-line-options.html#channel" >+channel</a>
+setting is in use. Specifying any other <a href="command-line-options.html#channel" >-channel</a>
setting will normalize the RGB channels independently.</p>
-<p>See <a href="command-line-options.html#contrast-stretch">-contrast-stretch</a> for more details.
-Also see <a href="command-line-options.html#auto-level">-auto-level</a> for a 'perfect' normalization
+<p>See <a href="command-line-options.html#contrast-stretch" >-contrast-stretch</a> for more details.
+Also see <a href="command-line-options.html#auto-level" >-auto-level</a> for a 'perfect' normalization
that is better suited to mathematically generated images. </p>
<p>This operator is under review for re-development. </p>
<div style="margin: auto;">
- <h4><a id="opaque"></a>-opaque <var>color</var></h4>
+ <h3 class="magick-header"><a id="opaque"></a>-opaque <var>color</var></h3>
</div>
<p class="magick-description">change this color to the fill color within the image.</p>
<p>The <var>color</var> argument is defined using the format
-described under the <a href="command-line-options.html#fill">-fill</a> option. The <a href="command-line-options.html#fuzz">-fuzz</a> setting can be used to match and replace colors similar to the one
+described under the <a href="command-line-options.html#fill" >-fill</a> option. The <a href="command-line-options.html#fuzz"
+>-fuzz</a> setting can be used to match and replace colors similar to the one
given.</p>
<p>Use <a href="command-line-options.html#opaque">+opaque</a> to paint any pixel that does not match
the target color. </p>
<p>The <a href="command-line-options.html#transparent">-transparent</a> operator is exactly the same
-as <a href="command-line-options.html#opaque">-opaque</a> but replaces the matching color with
+as <a href="command-line-options.html#opaque" >-opaque</a> but replaces the matching color with
transparency rather than the current <a href="command-line-options.html#fill">-fill</a> color setting.
To ensure that it can do this it also ensures that the image has an alpha
-channel enabled, as per "<code><a href="command-line-options.html#alpha">-alpha</a> set</code>", for
-the new transparent colors, and does not require you to modify the <a href="command-line-options.html#channel">-channel</a> to enable alpha channel handling. </p>
+channel enabled, as per "<code><a href="command-line-options.html#alpha" >-alpha</a> set</code>", for
+the new transparent colors, and does not require you to modify the <a
+href="command-line-options.html#channel">-channel</a> to enable alpha channel handling. </p>
<div style="margin: auto;">
- <h4><a id="ordered-dither"></a>-ordered-dither <var>threshold_map</var>{,<var>level</var>...}</h4>
+ <h3 class="magick-header"><a id="ordered-dither"></a>-ordered-dither <var>threshold_map</var>{,<var>level</var>...}</h3>
</div>
<p class="magick-description">dither the image using a pre-defined ordered dither <var>threshold map</var> specified, and a uniform color map with the
@@ -5569,29 +6600,30 @@
<p>You can choose from these standard threshold maps:</p>
<pre>
- threshold 1x1 Threshold 1x1 (non-dither)
- checks 2x1 Checkerboard 2x1 (dither)
- o2x2 2x2 Ordered 2x2 (dispersed)
- o3x3 3x3 Ordered 3x3 (dispersed)
- o4x4 4x4 Ordered 4x4 (dispersed)
- o8x8 8x8 Ordered 8x8 (dispersed)
- h4x4a 4x1 Halftone 4x4 (angled)
- h6x6a 6x1 Halftone 6x6 (angled)
- h8x8a 8x1 Halftone 8x8 (angled)
- h4x4o Halftone 4x4 (orthogonal)
- h6x6o Halftone 6x6 (orthogonal)
- h8x8o Halftone 8x8 (orthogonal)
- h16x16o Halftone 16x16 (orthogonal)
- c5x5b c5x5 Circles 5x5 (black)
- c5x5w Circles 5x5 (white)
- c6x6b c6x6 Circles 6x6 (black)
- c6x6w Circles 6x6 (white)
- c7x7b c7x7 Circles 7x7 (black)
- c7x7w Circles 7x7 (white)
+threshold 1x1 Threshold 1x1 (non-dither)
+checks 2x1 Checkerboard 2x1 (dither)
+o2x2 2x2 Ordered 2x2 (dispersed)
+o3x3 3x3 Ordered 3x3 (dispersed)
+o4x4 4x4 Ordered 4x4 (dispersed)
+o8x8 8x8 Ordered 8x8 (dispersed)
+h3x4a 4x1 Halftone 4x4 (angled)
+h6x6a 6x1 Halftone 6x6 (angled)
+h8x8a 8x1 Halftone 8x8 (angled)
+h3x4o Halftone 4x4 (orthogonal)
+h6x6o Halftone 6x6 (orthogonal)
+h8x8o Halftone 8x8 (orthogonal)
+h36x16o Halftone 16x16 (orthogonal)
+c5x5b c5x5 Circles 5x5 (black)
+c5x5w Circles 5x5 (white)
+c6x6b c6x6 Circles 6x6 (black)
+c6x6w Circles 6x6 (white)
+c7x7b c7x7 Circles 7x7 (black)
+c7x7w Circles 7x7 (white)
</pre>
<p> The <code>threshold</code> generated a simple 50% threshold of the image.
-This could be used with <var>level</var> to do the equivalent of <a href="command-line-options.html#posterize">-posterize</a> to reduce an image to basic primary colors.
+This could be used with <var >level</var> to do the equivalent of <a
+href="command-line-options.html#posterize" >-posterize</a> to reduce an image to basic primary colors.
</p>
<p>The <code>checks</code> pattern produces a 3 level checkerboard dither
@@ -5599,13 +6631,13 @@
white, and mid-tone colors into a checkerboard pattern of black and white.
</p>
-<p>You can define your own <var>threshold map</var> for ordered
+<p>You can define your own <var >threshold map</var> for ordered
dithering and halftoning your images, in either personal or system
-<code>thresholds.xml</code> XML file. See <a href="resources.html">Resources</a>
+<code>thresholds.xml</code> XML file. See <a href="resources.html" >Resources</a>
for more details of configuration files. </p>
<p>To print a complete list of the thresholds that have been defined, use the
-<a href="command-line-options.html#list">-list threshold</a> option.</p>
+<a href="command-line-options.html#list" >-list threshold</a> option.</p>
<p>Note that at this time the same threshold dithering map is used for all
color channels, no attempt is made to offset or rotate the map for different
@@ -5618,7 +6650,7 @@
<div style="margin: auto;">
- <h4><a id="orient"></a>-orient <var>image orientation</var></h4>
+ <h3 class="magick-header"><a id="orient"></a>-orient <var>image orientation</var></h3>
</div>
<p class="magick-description">specify orientation of a digital camera image.</p>
@@ -5626,26 +6658,26 @@
<p>Choose from these orientations:</p>
<pre>
- bottom-left
- bottom-right
- left-bottom
- left-top
- right-bottom
- right-top
- top-left
- top-right
- undefined
+bottom-left
+bottom-right
+left-bottom
+left-top
+right-bottom
+right-top
+top-left
+top-right
+undefined
</pre>
-<p>To print a complete list of orientations, use the <a href="command-line-options.html#list">-list
+<p>To print a complete list of orientations, use the <a href="command-line-options.html#list" >-list
orientation</a> option.</p>
<div style="margin: auto;">
- <h4><a id="page"></a>-page <var>geometry</var><br>
- -page <var>media</var>[<var>offset</var>][{<var>^!<></var>}]<br>
+ <h3 class="magick-header"><a id="page"></a>-page <var>geometry</var><br/>
+ -page <var>media</var>[<var>offset</var>][{<var>^!<></var>}]<br/>
+page
- </h4>
+ </h3>
</div>
<p class="magick-description">Set the size and location of an image on the larger virtual canvas.</p>
@@ -5653,7 +6685,8 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<p>For convenience you can specify the page size using <var>media</var> (see below). Offsets can then be added as with other
-<var>geometry</var> arguments (e.g. <a href="command-line-options.html#page">-page</a> <code>Letter+43+43</code>).</p>
+<var>geometry</var> arguments (e.g. <a
+href="command-line-options.html#page">-page</a> <code>Letter+43+43</code>).</p>
<p>Use <var>media</var> as shorthand to specify the dimensions (<var>width</var>x<var>height</var>) of the <var>PostScript</var> page in dots per inch or a TEXT page in pixels.
The choices for a PostScript page are:</p>
@@ -5661,9 +6694,9 @@
<div class="table-responsive">
<table class="table table-condensed table-striped">
<tr>
- <td><var>media</var></td>
- <td><var>width</var></td>
- <td><var>height</var></td>
+ <td><var>Media</var></td>
+ <td align="right"><var>Width</var></td>
+ <td align="right"><var>Height</var></td>
</tr>
<tr><td> 11x17 </td> <td align="right"> 792</td> <td align="right"> 1224</td> </tr>
<tr><td> Ledger </td> <td align="right"> 1224</td> <td align="right"> 792</td> </tr>
@@ -5717,8 +6750,10 @@
sequence. When writing a GIF89 file, only the bounding box method is used to
determine its dimensions.</p>
-<p>For a PostScript page, the image is sized as in <a href="command-line-options.html#geometry">-geometry</a> but positioned relative to the <var>lower
-left-hand corner</var> of the page by {+-}<code>x</code><var>offset</var>{+-}<code>y</code> <var>offset</var>. Use <a href="command-line-options.html#page">-page 612x792</a>, for example, to center the image within the
+<p>For a PostScript page, the image is sized as in <a
+href="command-line-options.html#geometry">-geometry</a> but positioned relative to the <var>lower
+left-hand corner</var> of the page by {+-}<code>x</code><var>offset</var>{+-}<code>y</code> <var>offset</var>. Use <a
+href="command-line-options.html#page">-page 612x792</a>, for example, to center the image within the
page. If the image size exceeds the PostScript page, it is reduced to fit the
page. The default gravity for the <a href="command-line-options.html#page">-page</a> option is <var>NorthWest</var>, i.e., positive <code>x</code> and <code>y</code> <var>offset</var> are measured rightward and downward from the top left
corner of the page, unless the <a href="command-line-options.html#gravity">-gravity</a> option is
@@ -5731,7 +6766,7 @@
<p>Use <a href="command-line-options.html#page">+page</a> to remove the page settings for an image.</p>
<div style="margin: auto;">
- <h4><a id="paint"></a>-paint <var>radius</var></h4>
+ <h3 class="magick-header"><a id="paint"></a>-paint <var>radius</var></h3>
</div>
<p class="magick-description">simulate an oil painting.</p>
@@ -5740,12 +6775,12 @@
neighborhood whose width is specified with <var>radius</var>.</p>
<div style="margin: auto;">
- <h4><a id="path"></a>-path <var>path</var></h4></div>
+ <h3 class="magick-header"><a id="path"></a>-path <var>path</var></h3></div>
<p class="magick-description">write images to this path on disk.</p>
<div style="margin: auto;">
- <h4><a id="pause_animate_"></a>-pause <var>seconds</var></h4>
+ <h3 class="magick-header"><a id="pause_animate_"></a>-pause <var>seconds</var></h3>
</div>
<p class="magick-description">Pause between animation loops</p>
@@ -5753,7 +6788,7 @@
<p>Pause for the specified number of seconds before repeating the animation.</p>
<div style="margin: auto;">
- <h4><a id="pause_import_"></a>-pause <var>seconds</var></h4>
+ <h3 class="magick-header"><a id="pause_import_"></a>-pause <var>seconds</var></h3>
</div>
<p class="magick-description">Pause between snapshots.</p>
@@ -5761,25 +6796,25 @@
<p>Pause for the specified number of seconds before taking the next snapshot.</p>
<div style="margin: auto;">
- <h4><a id="perceptible"></a>-perceptible <var>epsilon</var></h4>
+ <h3 class="magick-header"><a id="perceptible"></a>-perceptible <var>epsilon</var></h3>
</div>
<p class="magick-description">set each pixel whose value is less than |<var>epsilon</var>| to <var>-epsilon</var> or <var>epsilon</var> (whichever is closer) otherwise the pixel value remains unchanged.</p>
<div style="margin: auto;">
- <h4><a id="ping"></a>-ping</h4>
+ <h3 class="magick-header"><a id="ping"></a>-ping</h3>
</div>
<p class="magick-description">efficiently determine image characteristics.</p>
<div style="margin: auto;">
- <h4><a id="pointsize"></a>-pointsize <var>value</var></h4>
+ <h3 class="magick-header"><a id="pointsize"></a>-pointsize <var>value</var></h3>
</div>
<p class="magick-description">pointsize of the PostScript, OPTION1, or TrueType font.</p>
<div style="margin: auto;">
- <h4><a id="polaroid"></a>-polaroid <var>angle</var></h4>
+ <h3 class="magick-header"><a id="polaroid"></a>-polaroid <var>angle</var></h3>
</div>
<p class="magick-description">simulate a Polaroid picture.</p>
@@ -5787,7 +6822,7 @@
<p>Use <code>+polaroid</code> to rotate the image at a random angle between -15 and +15 degrees.</p>
<div style="margin: auto;">
- <h4><a id="poly"></a>-poly <var>"wt,exp ..."</var></h4>
+ <h3 class="magick-header"><a id="poly"></a>-poly <var>"wt,exp ..."</var></h3>
</div>
<p class="magick-description">combines multiple images according to a weighted sum of polynomials; one floating point weight (coefficient) and one floating point polynomial exponent (power) for each image expressed as comma separated pairs.</p>
@@ -5810,7 +6845,7 @@
<div style="margin: auto;">
- <h4><a id="posterize"></a>-posterize <var>levels</var></h4>
+ <h3 class="magick-header"><a id="posterize"></a>-posterize <var>levels</var></h3>
</div>
<p class="magick-description">reduce the image to a limited number of color levels per channel.</p>
@@ -5819,13 +6854,13 @@
visible effect.</p>
<div style="margin: auto;">
- <h4><a id="precision"></a>-precision <var>value</var></h4>
+ <h3 class="magick-header"><a id="precision"></a>-precision <var>value</var></h3>
</div>
<p class="magick-description">set the maximum number of significant digits to be printed.</p>
<div style="margin: auto;">
- <h4><a id="preview"></a>-preview <var>type</var></h4>
+ <h3 class="magick-header"><a id="preview"></a>-preview <var>type</var></h3>
</div>
<p class="magick-description">image preview type.</p>
@@ -5835,14 +6870,14 @@
these previews:</p>
<pre>
- Rotate Shear Roll Hue
- Saturation Brightness Gamma Spiff
- Dull Grayscale Quantize Despeckle
- ReduceNoise Add Noise Sharpen Blur
- Threshold EdgeDetect Spread Shade
- Raise Segment Solarize Swirl
- Implode Wave OilPaint CharcoalDrawing
- JPEG
+Rotate Shear Roll Hue
+Saturation Brightness Gamma Spiff
+Dull Grayscale Quantize Despeckle
+ReduceNoise Add Noise Sharpen Blur
+Threshold EdgeDetect Spread Shade
+Raise Segment Solarize Swirl
+Implode Wave OilPaint CharcoalDrawing
+JPEG
</pre>
<p>To print a complete list of previews, use the <a href="command-line-options.html#list">-list preview</a> option.</p>
@@ -5850,13 +6885,13 @@
<p>The default preview is <code>JPEG</code>.</p>
<div style="margin: auto;">
- <h4><a id="print"></a>-print <var>string</var></h4>
+ <h3 class="magick-header"><a id="print"></a>-print <var>string</var></h3>
</div>
<p class="magick-description">interpret string and print to console.</p>
<div style="margin: auto;">
- <h4><a id="process"></a>-process <var>command</var></h4>
+ <h3 class="magick-header"><a id="process"></a>-process <var>command</var></h3>
</div>
<p class="magick-description">process the image with a custom image filter.</p>
@@ -5867,8 +6902,8 @@
pass to the process module.</p>
<div style="margin: auto;">
- <h4><a id="profile"></a>-profile <var>filename</var><br>
- +profile <var>profile_name</var></h4>
+ <h3 class="magick-header"><a id="profile"></a>-profile <var>filename</var><br/>
+ +profile <var>profile_name</var></h3>
</div>
<p class="magick-description">Manage ICM, IPTC, or generic profiles in an image.</p>
@@ -5898,7 +6933,8 @@
</pre>
<p>It is important to note that results may depend on whether or not the
-original image already has an included profile. Also, keep in mind that <a href="command-line-options.html#profile">-profile</a> is an "operator" (as opposed to a "setting") and
+original image already has an included profile. Also, keep in mind that <a
+href="command-line-options.html#profile">-profile</a> is an "operator" (as opposed to a "setting") and
therefore a conversion is made each time it is encountered, in order, in the
command-line. For instance, in the following example, if the original image is
CMYK with profile, a CMYK-CMYK-RGB conversion results.</p>
@@ -5913,7 +6949,7 @@
</p>
<div style="margin: auto;">
- <h4><a id="quality"></a>-quality <var>value</var></h4>
+ <h3 class="magick-header"><a id="quality"></a>-quality <var>value</var></h3>
</div>
<p class="magick-description">JPEG/MIFF/PNG compression level.</p>
@@ -5950,11 +6986,11 @@
all scanlines:</p>
<pre>
- 0: none
- 1: sub
- 2: up
- 3: average
- 4: Paeth
+0: none
+1: sub
+2: up
+3: average
+4: Paeth
</pre>
<p>If filter-type is 5, adaptive filtering is used when quality is greater
@@ -5990,25 +7026,26 @@
the <a href="http://www.w3.org/pub/WWW/TR">PNG</a> specification.</p>
<div style="margin: auto;">
- <h4><a id="quantize"></a>-quantize <var>colorspace</var></h4>
+ <h3 class="magick-header"><a id="quantize"></a>-quantize <var>colorspace</var></h3>
</div>
<p class="magick-description">reduce colors using this colorspace.</p>
<p>This setting defines the colorspace used to sort out and reduce the number
-of colors needed by an image (for later dithering) by operators such as <a href="command-line-options.html#colors">-colors</a>, Note that color reduction also happens
+of colors needed by an image (for later dithering) by operators such as <a
+href="command-line-options.html#colors" >-colors</a>, Note that color reduction also happens
automatically when saving images to color-limited image file formats, such as
GIF, and PNG8.</p>
<div style="margin: auto;">
- <h4><a id="quiet"></a>-quiet</h4>
+ <h3 class="magick-header"><a id="quiet"></a>-quiet</h3>
</div>
<p class="magick-description">suppress all warning messages. Error messages are still reported.</p>
<div style="margin: auto;">
- <h4><a id="radial-blur"></a>-radial-blur <var>angle</var></h4>
+ <h3 class="magick-header"><a id="radial-blur"></a>-radial-blur <var>angle</var></h3>
</div>
<p class="magick-description">Blur around the center of the image.</p>
@@ -6022,7 +7059,7 @@
<div style="margin: auto;">
- <h4><a id="raise"></a>-raise <var>thickness</var></h4>
+ <h3 class="magick-header"><a id="raise"></a>-raise <var>thickness</var></h3>
</div>
<p class="magick-description">Lighten or darken image edges.</p>
@@ -6030,22 +7067,23 @@
<p>This will create a 3-D effect. Use <a href="command-line-options.html#raise">-raise</a> to create
a raised effect, otherwise use <a href="command-line-options.html#raise">+raise</a>. </p>
-<p>Unlike the similar <a href="command-line-options.html#frame">-frame</a> option, <a href="command-line-options.html#raise">-raise</a> does not alter the dimensions of the image.</p>
+<p>Unlike the similar <a href="command-line-options.html#frame">-frame</a> option, <a
+href="command-line-options.html#raise">-raise</a> does not alter the dimensions of the image.</p>
<div style="margin: auto;">
- <h4><a id="random-threshold"></a>-random-threshold <var>low</var>x<var>high</var></h4>
+ <h3 class="magick-header"><a id="random-threshold"></a>-random-threshold <var>low</var>x<var>high</var></h3>
</div>
<p class="magick-description">Apply a random threshold to the image.</p>
<div style="margin: auto;">
- <h4><a id="red-primary"></a>-red-primary <var>x,y</var></h4>
+ <h3 class="magick-header"><a id="red-primary"></a>-red-primary <var>x,y</var></h3>
</div>
<p class="magick-description">Set the red chromaticity primary point.</p>
<div style="margin: auto;">
- <h4><a id="regard-warnings"></a>-regard-warnings</h4>
+ <h3 class="magick-header"><a id="regard-warnings"></a>-regard-warnings</h3>
</div>
<p class="magick-description">Pay attention to warning messages.</p>
@@ -6054,7 +7092,7 @@
as errors. </p>
<div style="margin: auto;">
- <h4><a id="remap"></a>-remap <var>filename</var></h4>
+ <h3 class="magick-header"><a id="remap"></a>-remap <var>filename</var></h3>
</div>
<p class="magick-description">Reduce the number of colors in an image to the colors used by this image.</p>
@@ -6076,15 +7114,17 @@
limit, then <a href="command-line-options.html#remap">-remap</a> those colors over the original list of
images. This ensures all the images follow a single color map. </p>
-<p>If the number of colors over all the images is less than 256, then <a href="command-line-options.html#remap">+remap</a> should not perform any color reduction or dithering, as
+<p>If the number of colors over all the images is less than 256, then <a
+href="command-line-options.html#remap">+remap</a> should not perform any color reduction or dithering, as
no color changes are needed. In that case, its only effect is to force the use
-of a global color table. This recommended after using either <a href="command-line-options.html#colors">-colors</a> or <a href="command-line-options.html#ordered-dither">-ordered-dither</a> to
+of a global color table. This recommended after using either <a
+href="command-line-options.html#colors">-colors</a> or <a href="command-line-options.html#ordered-dither">-ordered-dither</a> to
reduce the number of colors in an animated image sequence. </p>
<p>Note, the remap image colormap has at most 8-bits of precision. Deeper color maps are automagically coalesced with other colors to meet this requirement.</p>
<div style="margin: auto;">
- <h4><a id="region"></a>-region <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="region"></a>-region <var>geometry</var></h3>
</div>
<p class="magick-description">Set a region in which subsequent operations apply.</p>
@@ -6095,7 +7135,7 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="remote"></a>-remote</h4>
+ <h3 class="magick-header"><a id="remote"></a>-remote</h3>
</div>
<p class="magick-description">perform a remote operation.</p>
@@ -6107,7 +7147,7 @@
specify which application to control.</p>
<div style="margin: auto;">
- <h4><a id="render"></a>-render</h4>
+ <h3 class="magick-header"><a id="render"></a>-render</h3>
</div>
<p class="magick-description">render vector operations.</p>
@@ -6116,7 +7156,7 @@
This useful when saving the result to vector formats such as MVG or SVG.</p>
<div style="margin: auto;">
-<h4><a id="repage"></a>-repage <var>geometry</var></h4>
+<h3 class="magick-header"><a id="repage"></a>-repage <var>geometry</var></h3>
</div>
<p class="magick-description">Adjust the canvas and offset information of the image.</p>
@@ -6143,7 +7183,7 @@
<div style="margin: auto;">
- <h4><a id="resample"></a>-resample <var>horizontal</var>x<var>vertical</var></h4>
+ <h3 class="magick-header"><a id="resample"></a>-resample <var>horizontal</var>x<var>vertical</var></h3>
</div>
<p class="magick-description">Resample image to specified horizontal and vertical resolution.</p>
@@ -6154,7 +7194,8 @@
72 DPI, it will render at 3 inches by 2 inches on a 72 DPI device. Note that
only a small number of image formats (e.g. JPEG, PNG, and TIFF) are capable of
storing the image resolution. For formats which do not support an image
-resolution, the original resolution of the image must be specified via <a href="command-line-options.html#density">-density</a> on the command line prior to specifying the
+resolution, the original resolution of the image must be specified via <a
+href="command-line-options.html#density">-density</a> on the command line prior to specifying the
resample resolution.</p>
<p>Note that Photoshop stores and obtains image resolution from a proprietary
@@ -6163,7 +7204,7 @@
resolution specified in the standard file header.</p>
<div style="margin: auto;">
- <h4><a id="resize"></a>-resize <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="resize"></a>-resize <var>geometry</var></h3>
</div>
<p class="magick-description">Resize an image.</p>
@@ -6172,7 +7213,8 @@
ignored, and the <a href="command-line-options.html#gravity">-gravity</a> option has no effect.</p>
<p>If the <a href="command-line-options.html#filter">-filter</a> option
-or <code>-define filter:option=value</code> precedes the <a href="command-line-options.html#resize">-resize</a> option, the image is resized with the specified
+or <code>-define filter:option=value</code> precedes the <a
+href="command-line-options.html#resize">-resize</a> option, the image is resized with the specified
filter.</p>
<p>Many image processing algorithms assume your image is in a linear-light
@@ -6180,24 +7222,25 @@
correction, apply the transform, then restore it like this:</p>
<pre>
-convert portrait.jpg -gamma .45455 -resize 25% -gamma 2.2 \ <br> -quality 92 passport.jpg
+convert portrait.jpg -gamma .45455 -resize 25% -gamma 2.2 \
+ -quality 92 passport.jpg
</pre>
<div style="margin: auto;">
- <h4><a id="respect-parentheses"></a>-respect-parentheses</h4>
+ <h3 class="magick-header"><a id="respect-parentheses"></a>-respect-parentheses</h3>
</div>
<p class="magick-description">settings remain in effect until parenthesis boundary.</p>
<div style="margin: auto;">
- <h4><a id="reverse"></a>-reverse</h4>
+ <h3 class="magick-header"><a id="reverse"></a>-reverse</h3>
</div>
<p class="magick-description">Reverse the order of images in the current image list.</p>
<div style="margin: auto;">
- <h4><a id="roll"></a>-roll {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var></h4>
+ <h3 class="magick-header"><a id="roll"></a>-roll {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var></h3>
</div>
<p class="magick-description">roll an image vertically or horizontally by the amount given.</p>
@@ -6207,7 +7250,7 @@
<div style="margin: auto;">
- <h4><a id="rotate"></a>-rotate <var>degrees</var>{<var><</var>}{<var>></var>}</h4>
+ <h3 class="magick-header"><a id="rotate"></a>-rotate <var>degrees</var>{<var><</var>}{<var>></var>}</h3>
</div>
<p class="magick-description">Apply Paeth image rotation (using shear operations) to the image.</p>
@@ -6228,7 +7271,7 @@
<div style="margin: auto;">
- <h4><a id="sample"></a>-sample <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="sample"></a>-sample <var>geometry</var></h3>
</div>
<p class="magick-description">minify / magnify the image with pixel subsampling and pixel replication, respectively.</p>
@@ -6253,7 +7296,8 @@
<p>The actual sampling point is the middle of the sub-region being sampled.
As such a single pixel sampling of an image will take the middle pixel, (or
-top-left-middle if image has even dimensions). However the <a href="command-line-options.html#define">-define</a> '<code>sample:offset</code>' can be set to modify
+top-left-middle if image has even dimensions). However the <a
+href="command-line-options.html#define">-define</a> '<code>sample:offset</code>' can be set to modify
this position some other location within each sub-region being sampled, as
a percentage offset.</p>
@@ -6264,7 +7308,7 @@
<div style="margin: auto;">
- <h4><a id="sampling-factor"></a>-sampling-factor <var>horizontal-factor</var>x<var>vertical-factor</var></h4>
+ <h3 class="magick-header"><a id="sampling-factor"></a>-sampling-factor <var>horizontal-factor</var>x<var>vertical-factor</var></h3>
</div>
<p class="magick-description">sampling factors used by JPEG or MPEG-2 encoder and YUV decoder/encoder.</p>
@@ -6272,11 +7316,13 @@
<p>This option specifies the sampling factors to be used by the JPEG encoder
for chroma downsampling. If this option is omitted, the JPEG library will use
its own default values. When reading or writing the YUV format and when
-writing the M2V (MPEG-2) format, use <a href="command-line-options.html#sampling-factor">-sampling-factor 2x1</a> or <a href="command-line-options.html#sampling-factor">-sampling-factor 4:2:2</a> to specify the 4:2:2
+writing the M2V (MPEG-2) format, use <a
+href="command-line-options.html#sampling-factor">-sampling-factor 2x1</a> or <a
+href="command-line-options.html#sampling-factor">-sampling-factor 4:2:2</a> to specify the 4:2:2
downsampling method.</p>
<div style="margin: auto;">
- <h4><a id="scale"></a>-scale <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="scale"></a>-scale <var>geometry</var></h3>
</div>
<p class="magick-description">minify / magnify the image with pixel block averaging and pixel replication, respectively.</p>
@@ -6298,7 +7344,7 @@
<div style="margin: auto;">
- <h4><a id="scene"></a>-scene <var>value</var></h4>
+ <h3 class="magick-header"><a id="scene"></a>-scene <var>value</var></h3>
</div>
<p class="magick-description">set scene number.</p>
@@ -6306,7 +7352,7 @@
<p>This option sets the scene number of an image or the first image in an image sequence.</p>
<div style="margin: auto;">
- <h4><a id="screen"></a>-screen</h4>
+ <h3 class="magick-header"><a id="screen"></a>-screen</h3>
</div>
<p class="magick-description">specify the screen to capture.</p>
@@ -6318,13 +7364,13 @@
that are independent windows but appear over the specified window.</p>
<div style="margin: auto;">
- <h4><a id="seed"></a>-seed</h4>
+ <h3 class="magick-header"><a id="seed"></a>-seed</h3>
</div>
<p class="magick-description">seed a new sequence of pseudo-random numbers</p>
<div style="margin: auto;">
- <h4><a id="segment"></a>-segment <var>cluster-threshold</var>x<var>smoothing-threshold</var></h4>
+ <h3 class="magick-header"><a id="segment"></a>-segment <var>cluster-threshold</var>x<var>smoothing-threshold</var></h3>
</div>
<p class="magick-description">segment the colors of an image.</p>
@@ -6344,7 +7390,7 @@
<div style="margin: auto;">
- <h4><a id="selective-blur"></a>-selective-blur <var>radius</var><br>-selective-blur <var>radius</var>x<var>sigma</var>{<var>+threshold</var>}</h4>
+ <h3 class="magick-header"><a id="selective-blur"></a>-selective-blur <var>radius</var><br />-selective-blur <var>radius</var>x<var>sigma</var>{<var>+threshold</var>}</h3>
</div>
<p class="magick-description">Selectively blur pixels within a contrast threshold.</p>
@@ -6353,13 +7399,13 @@
contrast. The threshold may be expressed as a fraction of <var>QuantumRange</var> or as a percentage.</p>
<div style="margin: auto;">
- <h4><a id="separate"></a>-separate</h4>
+ <h3 class="magick-header"><a id="separate"></a>-separate</h3>
</div>
<p class="magick-description">separate an image channel into a grayscale image. Specify the channel with <a href="command-line-options.html#channel">-channel</a>.</p>
<div style="margin: auto;">
- <h4><a id="sepia-tone"></a>-sepia-tone <var>threshold</var></h4>
+ <h3 class="magick-header"><a id="sepia-tone"></a>-sepia-tone <var>threshold</var></h3>
</div>
<p class="magick-description">simulate a sepia-toned photo.</p>
@@ -6374,8 +7420,8 @@
<div style="margin: auto;">
- <h4><a id="set"></a>-set <var>key value</var></h4>
- <h4>+set <var>key</var></h4>
+ <h3 class="magick-header"><a id="set"></a>-set <var>key value</var></h3>
+ <h3 class="magick-header">+set <var>key</var></h3>
</div>
<p class="magick-description">sets image attributes and properties for images in the current image sequence.</p>
@@ -6386,18 +7432,22 @@
appropriate. </p>
<p>For example, it will modify specific well known image meta-data
-'attributes' such as those normally overridden by: the options <a href="command-line-options.html#delay">-delay</a>, <a href="command-line-options.html#dispose">-dispose</a>, and <a href="command-line-options.html#page">-page</a>, <a href="command-line-options.html#colorspace">-colorspace</a>; generally
+'attributes' such as those normally overridden by: the options <a
+href="command-line-options.html#delay" >-delay</a>, <a href="command-line-options.html#dispose" >-dispose</a>, and <a
+href="command-line-options.html#page" >-page</a>, <a href="command-line-options.html#colorspace" >-colorspace</a>; generally
assigned before the image is read in, by using a <var>key</var> of
the same name. </p>
<p>If the given <var>key</var> does not match a specific known
'attribute ', such as shown above, the setting is stored as a a free form
-'property' string. Such settings are listed in <a href="command-line-options.html#verbose">-verbose</a> information ("<code>info:</code>" output format) as "Properties".
+'property' string. Such settings are listed in <a href="command-line-options.html#verbose"
+>-verbose</a> information ("<code>info:</code>" output format) as "Properties".
</p>
<p>This includes string 'properties' that are set by and assigned to images
-using the options <a href="command-line-options.html#comment">-comment</a>, <a href="command-line-options.html#label">-label</a>, <a href="command-line-options.html#caption">-caption</a>. These options actually assign
-a global 'artifact' which are automatically assigned (and any <a href="escape.html">Format Percent
+using the options <a href="command-line-options.html#comment" >-comment</a>, <a href="command-line-options.html#label"
+>-label</a>, <a href="command-line-options.html#caption" >-caption</a>. These options actually assign
+a global 'artifact' which are automatically assigned (and any <a href="escape.html" >Format Percent
Escapes</a> expanded) to images as they are read in. For example:</p>
<pre>
@@ -6406,7 +7456,7 @@
Rose is a rose is a rose is a rose
</pre>
-<p>The set value can also make use of <a href="escape.html">Format and Print Image
+<p>The set value can also make use of <a href="escape.html" >Format and Print Image
Properties</a> in the defined value. For example:</p>
<pre>
@@ -6442,7 +7492,8 @@
</pre>
<p>If the setting value is prefixed with "<code>option:</code>" the setting will
-be saved as a global "Artifact" exactly as if it was set using the <a href="command-line-options.html#define">-define</a> option. As such settings are global in scope, they
+be saved as a global "Artifact" exactly as if it was set using the <a
+href="command-line-options.html#define" >-define</a> option. As such settings are global in scope, they
can be used to pass 'attributes' and 'properties' of one specific image,
in a way that allows you to use them in a completely different image, even if
the original image has long since been modified or destroyed. For example: </p>
@@ -6452,7 +7503,7 @@
label:'%[rosesize]' label_size_of_rose.gif"
</pre>
-<p>Note that <a href="escape.html">Format Percent Escapes</a> will only match
+<p>Note that <a href="escape.html" >Format Percent Escapes</a> will only match
a 'artifact' if the given <var>key</var> does not match an existing
'attribute' or 'property'. </p>
@@ -6486,7 +7537,7 @@
</pre>
<div style="margin: auto;">
- <h4><a id="shade"></a>-shade <var>azimuth</var>x<var>elevation</var></h4>
+ <h3 class="magick-header"><a id="shade"></a>-shade <var>azimuth</var>x<var>elevation</var></h3>
</div>
<p class="magick-description">shade the image using a distant light source.</p>
@@ -6496,13 +7547,14 @@
the shading results as a grayscale image.</p>
<div style="margin: auto;">
- <h4><a id="shadow"></a>-shadow <var>percent-opacity</var>{x<var>sigma</var>}{<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="shadow"></a>-shadow <var>percent-opacity</var>{x<var>sigma</var>}{<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var>{<var>%</var>}</h3>
</div>
<p class="magick-description">simulate an image shadow.</p>
<div style="margin: auto;">
- <h4><a id="shared-memory"></a>-shared-memory</h4>
+ <h3 class="magick-header"><a
+id="shared-memory"></a>-shared-memory</h3>
</div>
<p class="magick-description">use shared memory.</p>
@@ -6513,7 +7565,7 @@
Otherwise, this option is ignored. The default is <code>True</code>.</p>
<div style="margin: auto;">
- <h4><a id="sharpen"></a>-sharpen <var>radius</var><br>-sharpen <var>radius</var>x<var>sigma</var></h4>
+ <h3 class="magick-header"><a id="sharpen"></a>-sharpen <var>radius</var><br />-sharpen <var>radius</var>x<var>sigma</var></h3>
</div>
<p class="magick-description">sharpen the image.</p>
@@ -6521,7 +7573,7 @@
<p>Use a Gaussian operator of the given radius and standard deviation (sigma).</p>
<div style="margin: auto;">
- <h4><a id="shave"></a>-shave <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="shave"></a>-shave <var>geometry</var></h3>
</div>
<p class="magick-description">Shave pixels from the image edges.</p>
@@ -6534,7 +7586,7 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="shear"></a>-shear <var>Xdegrees</var>[x<var>Ydegrees</var>]</h4>
+ <h3 class="magick-header"><a id="shear"></a>-shear <var>Xdegrees</var>[x<var>Ydegrees</var>]</h3>
</div>
<p class="magick-description">Shear the image along the x-axis and/or y-axis.</p>
@@ -6573,7 +7625,7 @@
</pre>
<div style="margin: auto;">
- <h4><a id="sigmoidal-contrast"></a>-sigmoidal-contrast <var>contrast</var>x<var>mid-point</var></h4>
+ <h3 class="magick-header"><a id="sigmoidal-contrast"></a>-sigmoidal-contrast <var>contrast</var>x<var>mid-point</var></h3>
</div>
<p class="magick-description">increase the contrast without saturating highlights or shadows.</p>
@@ -6601,13 +7653,13 @@
<var>mid-point</var>. </p>
<div style="margin: auto;">
- <h4><a id="silent"></a>-silent</h4>
+ <h3 class="magick-header"><a id="silent"></a>-silent</h3>
</div>
<p class="magick-description">operate silently.</p>
<div style="margin: auto;">
- <h4><a id="similarity-threshold"></a>-similarity-threshold <var>value</var></h4>
+ <h3 class="magick-header"><a id="similarity-threshold"></a>-similarity-threshold <var>value</var></h3>
</div>
<p class="magick-description">minimum RMSE for subimage match.</p>
@@ -6615,29 +7667,30 @@
<p>If this setting is used, then the search will stop as soon as it finds a match whose metric is less than or equal to the value. A partially filled second output image will result. Using a value of zero, will cause the search to stop at the first perfect match it finds. If this setting is left off, then the search will proceed to completion or as limited by <var>-dissimilarity-threshold</var>.</p>
<div style="margin: auto;">
- <h4><a id="size"></a>-size <var>width</var>[x<var>height</var>][<var>+offset</var>]</h4>
+ <h3 class="magick-header"><a id="size"></a>-size <var>width</var>[x<var>height</var>][<var>+offset</var>]</h3>
</div>
<p class="magick-description">set the width and height of the image.</p>
<p>Use this option to specify the width and height of raw images whose
dimensions are unknown such as <code>GRAY</code>, <code>RGB</code>, or
-<code>CMYK</code>. In addition to width and height, use <a href="command-line-options.html#size">-size</a> with an offset to skip any header information in the
+<code>CMYK</code>. In addition to width and height, use <a
+href="command-line-options.html#size">-size</a> with an offset to skip any header information in the
image or tell the number of colors in a <code>MAP</code> image file, (e.g. -size
640x512+256).</p>
<p>For Photo CD images, choose from these sizes:</p>
<pre>
- 192x128
- 384x256
- 768x512
- 1536x1024
- 3072x2048
+192x128
+384x256
+768x512
+1536x1024
+3072x2048
</pre>
<div style="margin: auto;">
- <h4><a id="sketch"></a>-sketch <var>radius</var><br>-sketch <var>radius</var>x<var>sigma</var>+<var>angle</var></h4>
+ <h3 class="magick-header"><a id="sketch"></a>-sketch <var>radius</var><br />-sketch <var>radius</var>x<var>sigma</var>+<var>angle</var></h3>
</div>
<p class="magick-description">simulate a pencil sketch.</p>
@@ -6647,13 +7700,13 @@
direction people would consider the object is coming from. </p>
<div style="margin: auto;">
- <h4><a id="smush"></a>-smush <var>offset</var></h4>
+ <h3 class="magick-header"><a id="smush"></a>-smush <var>offset</var></h3>
</div>
<p class="magick-description">smush an image sequence together.</p>
<div style="margin: auto;">
- <h4><a id="snaps"></a>-snaps <var>value</var></h4>
+ <h3 class="magick-header"><a id="snaps"></a>-snaps <var>value</var></h3>
</div>
<p class="magick-description">Set the number of screen snapshots.</p>
@@ -6661,7 +7714,7 @@
<p>Use this option to grab more than one image from the X server screen, to create an animation sequence.</p>
<div style="margin: auto;">
- <h4><a id="solarize"></a>-solarize <var>threshold</var></h4>
+ <h3 class="magick-header"><a id="solarize"></a>-solarize <var>threshold</var></h3>
</div>
<p class="magick-description">negate all pixels above the threshold level.</p>
@@ -6672,7 +7725,7 @@
exposing a photographic film to light during the development process.</p>
<div style="margin: auto;">
- <h4><a id="sparse-color"></a>-sparse-color <var>method</var> '<var>x</var>,<var>y</var> <var>color</var> ...'</h4>
+ <h3 class="magick-header"><a id="sparse-color"></a>-sparse-color <var>method</var> '<var>x</var>,<var>y</var> <var>color</var> ...'</h3>
</div>
<p class="magick-description"> color the given image using the specified points of color, and filling the other intervening colors using the given methods. </p>
@@ -6723,12 +7776,12 @@
</table>
<p>The points are placed according to the images location on the virtual
-canvas (<a href="command-line-options.html#page">-page</a> or <a href="command-line-options.html#repage">-repage</a>
+canvas (<a href="command-line-options.html#page" >-page</a> or <a href="command-line-options.html#repage" >-repage</a>
offset), and do not actually have to exist on the given image, but may be
some point beyond the edge of the image. All points are floating point values.
</p>
-<p>Only the color channels defined by the <a href="command-line-options.html#channel">-channel</a> are
+<p>Only the color channels defined by the <a href="command-line-options.html#channel" >-channel</a> are
modified, which means that by default matte/alpha transparency channel is not
effected. Typically transparency channel is turned off either before or after
the operation. </p>
@@ -6744,25 +7797,29 @@
<div style="margin: auto;">
- <h4><a id="splice"></a>-splice <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="splice"></a>-splice <var>geometry</var></h3>
</div>
<p class="magick-description">Splice the current background color into the image.</p>
-<p>This will add rows and columns of the current <a href="command-line-options.html#background">-background</a> color into the given image according to the
+<p>This will add rows and columns of the current <a
+href="command-line-options.html#background">-background</a> color into the given image according to the
given <a href="command-line-options.html#gravity">-gravity</a> geometry setting. See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument. Essentially <a href="command-line-options.html#splice">-splice</a> will divide the
image into four quadrants, separating them by the inserted rows and columns.
</p>
<p>If a dimension of geometry is zero no rows or columns will be added for that
-dimension. Similarly using a zero offset with the appropriate <a href="command-line-options.html#gravity">-gravity</a> setting will add rows and columns to the edges of
-the image, padding the image only along that one edge. Edge padding is what <a href="command-line-options.html#splice">-splice</a> is most commonly used for. </p>
+dimension. Similarly using a zero offset with the appropriate <a
+href="command-line-options.html#gravity">-gravity</a> setting will add rows and columns to the edges of
+the image, padding the image only along that one edge. Edge padding is what <a
+href="command-line-options.html#splice">-splice</a> is most commonly used for. </p>
-<p>If the exact same <var>geometry</var> and <a href="command-line-options.html#gravity">-gravity</a> is later used with <a href="command-line-options.html#chop">-chop</a> the
+<p>If the exact same <var>geometry</var> and <a
+href="command-line-options.html#gravity">-gravity</a> is later used with <a href="command-line-options.html#chop">-chop</a> the
added added all splices removed. </p>
<div style="margin: auto;">
- <h4><a id="spread"></a>-spread <var>amount</var></h4>
+ <h3 class="magick-header"><a id="spread"></a>-spread <var>amount</var></h3>
</div>
<p class="magick-description">displace image pixels by a random amount.</p>
@@ -6772,26 +7829,26 @@
swap.</p>
<div style="margin: auto;">
- <h4><a id="statistic"></a>-statistic <var>type</var> <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="statistic"></a>-statistic <var>type</var> <var>geometry</var></h3>
</div>
<p class="magick-description">replace each pixel with corresponding statistic from the neighborhood.</p>
<p>Choose from these statistic types:</p>
-<pre>
- Gradient maximum difference (max - min) value in neighborhood
- Maximum maximum value per channel in neighborhood
- Minimum minimum value per channel in neighborhood
- Mean average value per channel in neighborhood
- Median median value per channel in neighborhood
- Mode mode (most frequent) value per channel in neighborhood
- Nonpeak value just before or after the median value per channel in neighborhood
- RMS root mean square value per channel in neighborhood
- StandardDeviation standard deviation value per channel in neighborhood
-</pre>
+<dl class="dl-horizontal">
+<dt>Gradient</dt><dd>maximum difference (max - min) value in neighborhood</dd>
+<dt>Maximum</dt><dd>maximum value per channel in neighborhood</dd>
+<dt>Minimum</dt><dd>minimum value per channel in neighborhood</dd>
+<dt>Mean</dt><dd>average value per channel in neighborhood</dd>
+<dt>Median</dt><dd>median value per channel in neighborhood</dd>
+<dt>Mode</dt><dd>mode (most frequent) value per channel in neighborhood</dd>
+<dt>Nonpeak</dt><dd>value just before or after the median value per channel in neighborhood</dd>
+<dt>RMS</dt><dd>root mean square value per channel in neighborhood</dd>
+<dt>StandardDeviation</dt><dd> standard deviation value per channel in neighborhood</dd>
+</dl>
<div style="margin: auto;">
- <h4><a id="stegano"></a>-stegano <var>offset</var></h4>
+ <h3 class="magick-header"><a id="stegano"></a>-stegano <var>offset</var></h3>
</div>
<p class="magick-description">hide watermark within an image.</p>
@@ -6802,7 +7859,7 @@
320x256+35 stegano:image.png).</p>
<div style="margin: auto;">
- <h4><a id="stereo"></a>-stereo <var>+x</var>{<var>+y</var>}</h4>
+ <h3 class="magick-header"><a id="stereo"></a>-stereo <var>+x</var>{<var>+y</var>}</h3>
</div>
<p class="magick-description">composite two images to create a red / cyan stereo anaglyph.</p>
@@ -6810,26 +7867,26 @@
<p>The left side of the stereo pair (second image) is saved as the red channel of the output image. The right side (first image) is saved as the green and blue channels. Red-green stereo glasses are required to properly view the stereo image.</p>
<div style="margin: auto;">
- <h4><a id="storage-type"></a>-storage-type <var>type</var></h4>
+ <h3 class="magick-header"><a id="storage-type"></a>-storage-type <var>type</var></h3>
</div>
<p class="magick-description">pixel storage type. Here are the valid types:</p>
<pre>
- char unsigned characters
- double doubles
- float floats
- integer integers
- long longs
- quantum pixels in the native depth of your ImageMagick distribution
- short unsigned shorts
+char unsigned characters
+double doubles
+float floats
+integer integers
+long longs
+quantum pixels in the native depth of your ImageMagick distribution
+short unsigned shorts
</pre>
<p>Float and double types are normalized from 0.0 to 1.0 otherwise the pixels
values range from 0 to the maximum value the storage type can support.</p>
<div style="margin: auto;">
- <h4><a id="stretch"></a>-stretch <var>fontStretch</var></h4>
+ <h3 class="magick-header"><a id="stretch"></a>-stretch <var>fontStretch</var></h3>
</div>
<p class="magick-description">Set a type of stretch style for fonts.</p>
@@ -6838,31 +7895,33 @@
apply to the currently selected font family. Select <var>fontStretch</var> from the following.</p>
<pre>
- Any
- Condensed
- Expanded
- ExtraCondensed
- ExtraExpanded
- Normal
- SemiCondensed
- SemiExpanded
- UltraCondensed
- UltraExpanded
+Any
+Condensed
+Expanded
+ExtraCondensed
+ExtraExpanded
+Normal
+SemiCondensed
+SemiExpanded
+UltraCondensed
+UltraExpanded
</pre>
<p>To print a complete list of stretch types, use <a href="command-line-options.html#list">-list
stretch</a>.</p>
-<p>For other settings that affect fonts, see the options <a href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#family">-family</a>, <a href="command-line-options.html#style">-style</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
+<p>For other settings that affect fonts, see the options <a
+href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#family">-family</a>, <a
+href="command-line-options.html#style">-style</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
<div style="margin: auto;">
- <h4><a id="strip"></a>-strip</h4>
+ <h3 class="magick-header"><a id="strip"></a>-strip</h3>
</div>
<p class="magick-description">strip the image of any profiles or comments.</p>
<div style="margin: auto;">
- <h4><a id="stroke"></a>-stroke <var>color</var></h4>
+ <h3 class="magick-header"><a id="stroke"></a>-stroke <var>color</var></h3>
</div>
<p class="magick-description">color to use when stroking a graphic primitive.</p>
@@ -6872,7 +7931,7 @@
<p>See <a href="command-line-options.html#draw">-draw</a> for further details.</p>
<div style="margin: auto;">
- <h4><a id="strokewidth"></a>-strokewidth <var>value</var></h4>
+ <h3 class="magick-header"><a id="strokewidth"></a>-strokewidth <var>value</var></h3>
</div>
<p class="magick-description">set the stroke width.</p>
@@ -6880,7 +7939,7 @@
<p>See <a href="command-line-options.html#draw">-draw</a> for further details.</p>
<div style="margin: auto;">
- <h4><a id="style"></a>-style <var>fontStyle</var></h4>
+ <h3 class="magick-header"><a id="style"></a>-style <var>fontStyle</var></h3>
</div>
<p class="magick-description">Set a font style for text.</p>
@@ -6890,16 +7949,18 @@
the following.</p>
<pre>
- Any
- Italic
- Normal
- Oblique
+Any
+Italic
+Normal
+Oblique
</pre>
-<p>For other settings that affect fonts, see the options <a href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#family">-family</a>, <a href="command-line-options.html#stretch">-stretch</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
+<p>For other settings that affect fonts, see the options <a
+href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#family">-family</a>, <a
+href="command-line-options.html#stretch">-stretch</a>, and <a href="command-line-options.html#weight">-weight</a>. </p>
<div style="margin: auto;">
- <h4><a id="subimage-search"></a>-subimage-search</h4>
+ <h3 class="magick-header"><a id="subimage-search"></a>-subimage-search</h3>
</div>
<p class="magick-description">search for subimage.</p>
@@ -6923,7 +7984,7 @@
<div style="margin: auto;">
- <h4><a id="swap"></a>-swap <var>index,index</var></h4>
+ <h3 class="magick-header"><a id="swap"></a>-swap <var>index,index</var></h3>
</div>
<p class="magick-description">Swap the positions of two images in the image sequence.</p>
@@ -6933,7 +7994,7 @@
the last two images in the sequence.</p>
<div style="margin: auto;">
- <h4><a id="swirl"></a>-swirl <var>degrees</var></h4>
+ <h3 class="magick-header"><a id="swirl"></a>-swirl <var>degrees</var></h3>
</div>
<p class="magick-description">swirl image pixels about the center.</p>
@@ -6941,7 +8002,7 @@
<p><var>Degrees</var> defines the tightness of the swirl.</p>
<div style="margin: auto;">
- <h4><a id="synchronize"></a>-synchronize</h4>
+ <h3 class="magick-header"><a id="synchronize"></a>-synchronize</h3>
</div>
<p class="magick-description">synchronize image to storage device.</p>
@@ -6952,13 +8013,13 @@
is not enough disk space for the image pixel cache.</p>
<div style="margin: auto;">
- <h4><a id="taint"></a>-taint</h4>
+ <h3 class="magick-header"><a id="taint"></a>-taint</h3>
</div>
<p class="magick-description">Mark the image as modified.</p>
<div style="margin: auto;">
- <h4><a id="text-font"></a>-text-font <var>name</var></h4>
+ <h3 class="magick-header"><a id="text-font"></a>-text-font <var>name</var></h3>
</div>
<p class="magick-description">font for writing fixed-width text.</p>
@@ -6971,13 +8032,13 @@
<code>x:fixed</code> is OPTION1.</p>
<div style="margin: auto;">
- <h4><a id="texture"></a>-texture <var>filename</var></h4>
+ <h3 class="magick-header"><a id="texture"></a>-texture <var>filename</var></h3>
</div>
<p class="magick-description">name of texture to tile onto the image background.</p>
<div style="margin: auto;">
- <h4><a id="threshold"></a>-threshold <var>value</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="threshold"></a>-threshold <var>value</var>{<var>%</var>}</h3>
</div>
<!-- {<var>green,blue,opacity</var>}
@@ -6989,7 +8050,7 @@
<p class="magick-description">Apply simultaneous black/white threshold to the image.</p>
-<p>Any pixel values (more specifically, those channels set using <a href="command-line-options.html#channel">‑channel</a>) that exceed the specified threshold are reassigned the
+<p>Any pixel values (more specifically, those channels set using <a href="command-line-options.html#channel">‑channel</a>) that exceed the specified threshold are reassigned the
maximum channel value, while all other values are assigned the minimum.</p>
<p> The threshold value can be given as a percentage or as an absolute integer
@@ -7023,29 +8084,30 @@
<p>Note that the values of the transparency channel is treated as 'matte'
values (0 is opaque) and not as 'alpha' values (0 is transparent).</p>
-<p> See also <a href="command-line-options.html#black-threshold">‑black‑threshold</a> and <a href="command-line-options.html#white-threshold">‑white‑threshold</a>.
+<p> See also <a href="command-line-options.html#black-threshold">‑black‑threshold</a> and <a href="command-line-options.html#white-threshold">‑white‑threshold</a>.
</p>
<div style="margin: auto;">
- <h4><a id="thumbnail"></a>-thumbnail <var>geometry</var></h4>
+ <h3 class="magick-header"><a id="thumbnail"></a>-thumbnail <var>geometry</var></h3>
</div>
<p class="magick-description">Create a thumbnail of the image.</p>
<p>This is similar to <a href="command-line-options.html#resize">-resize</a>, except it is optimized
for speed and any image profile, other than a color profile, is removed to
-reduce the thumbnail size. To strip the color profiles as well, add <a href="command-line-options.html#strip">-strip</a> just before of after this option.</p>
+reduce the thumbnail size. To strip the color profiles as well, add <a
+href="command-line-options.html#strip">-strip</a> just before of after this option.</p>
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4><a id="tile"></a>-tile <var>filename</var></h4>
+ <h3 class="magick-header"><a id="tile"></a>-tile <var>filename</var></h3>
</div>
<p class="magick-description">Set the tile image used for filling a subsequent graphic primitive.</p>
<div style="margin: auto;">
- <h4>-tile <var>geometry</var></h4>
+ <h3 class="magick-header">-tile <var>geometry</var></h3>
</div>
<p class="magick-description">Specify the layout of images.</p>
@@ -7053,26 +8115,27 @@
<p>See <a href="command-line-processing.html#geometry">Image Geometry</a> for complete details about the <em class="arg">geometry</em> argument.</p>
<div style="margin: auto;">
- <h4>-tile</h4>
+ <h3 class="magick-header">-tile</h3>
</div>
<p class="magick-description">Specifies that a subsequent composite operation is repeated across and down image.</p>
<div style="margin: auto;">
- <h4><a id="tile-offset"></a>-tile-offset {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var></h4>
+ <h3 class="magick-header"><a id="tile-offset"></a>-tile-offset {<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var></h3>
</div>
<p class="magick-description">Specify the offset for tile images, relative to the background image it is tiled on.</p>
-<p>This should be set before the tiling image is set by <a href="command-line-options.html#tile">-tile</a> or <a href="command-line-options.html#texture">-texture</a>, or directly applied for
+<p>This should be set before the tiling image is set by <a href="command-line-options.html#tile"
+>-tile</a> or <a href="command-line-options.html#texture" >-texture</a>, or directly applied for
creating a tiled canvas using <code>TILE:</code> or <code>PATTERN:</code> input
formats. </p>
-<p>Internally ImageMagick does a <a href="command-line-options.html#roll">-roll</a> of the tile image
+<p>Internally ImageMagick does a <a href="command-line-options.html#roll" >-roll</a> of the tile image
by the arguments given when the tile image is set. </p>
<div style="margin: auto;">
- <h4><a id="tint"></a>-tint <var>value</var></h4>
+ <h3 class="magick-header"><a id="tint"></a>-tint <var>value</var></h3>
</div>
<p class="magick-description">Tint the image with the fill color.</p>
@@ -7084,7 +8147,7 @@
as the various shades of grey.</p>
<div style="margin: auto;">
- <h4><a id="title"></a>-title <var>string</var></h4>
+ <h3 class="magick-header"><a id="title"></a>-title <var>string</var></h3>
</div>
<p class="magick-description">Assign a title to displayed image.", "animate", "display", "montage</p>
@@ -7097,16 +8160,16 @@
<p>For example,</p>
-<p class="crtsnip">
- -title "%m:%f %wx%h"
-</p>
+<pre>
+-title "%m:%f %wx%h"
+</pre>
<p>produces an image title of <code>MIFF:bird.miff 512x480</code> for an image
titled <code>bird.miff</code> and whose width is 512 and height is 480.</p>
<div style="margin: auto;">
- <h4><a id="transform"></a>-transform</h4>
+ <h3 class="magick-header"><a id="transform"></a>-transform</h3>
</div>
<p class="magick-description">transform the image.</p>
@@ -7118,33 +8181,39 @@
</pre>
-<p>This operator has been now been superseded by the <a href="command-line-options.html#distort">-distort</a> '<code>AffineProjection</code>' method. </p>
+<p>This operator has been now been superseded by the <a
+href="command-line-options.html#distort">-distort</a> '<code>AffineProjection</code>' method. </p>
<div style="margin: auto;">
- <h4><a id="transparent"></a>-transparent <var>color</var></h4>
+ <h3 class="magick-header"><a id="transparent"></a>-transparent <var>color</var></h3>
</div>
<p class="magick-description">Make this color transparent within the image.</p>
<p>The <var>color</var> argument is defined using the format
-described under the <a href="command-line-options.html#fill">-fill</a> option. The <a href="command-line-options.html#fuzz">-fuzz</a> setting can be used to match and replace colors similar to the one
+described under the <a href="command-line-options.html#fill">-fill</a> option. The <a href="command-line-options.html#fuzz"
+>-fuzz</a> setting can be used to match and replace colors similar to the one
given. </p>
-<p>Use <a href="command-line-options.html#transparent">+transparent</a> to invert the pixels matched.
+<p>Use <a href="command-line-options.html#transparent" >+transparent</a> to invert the pixels matched.
that is make all non-matching colors transparent. </p>
-<p>The <a href="command-line-options.html#opaque">-opaque</a> operator is exactly the same as <a href="command-line-options.html#transparent">-transparent</a> but replaces the matching color with the
+<p>The <a href="command-line-options.html#opaque">-opaque</a> operator is exactly the same as <a
+href="command-line-options.html#transparent" >-transparent</a> but replaces the matching color with the
current <a href="command-line-options.html#fill">-fill</a> color setting, rather than transparent.
-However the <a href="command-line-options.html#transparent">-transparent</a> operator also ensures
-that the image has an alpha channel enabled, as per "<code><a href="command-line-options.html#alpha">-alpha</a> set</code>", and does not require you to modify the <a href="command-line-options.html#channel">-channel</a> to enable alpha channel handling. </p>
+However the <a href="command-line-options.html#transparent" >-transparent</a> operator also ensures
+that the image has an alpha channel enabled, as per "<code><a href="command-line-options.html#alpha"
+>-alpha</a> set</code>", and does not require you to modify the <a
+href="command-line-options.html#channel">-channel</a> to enable alpha channel handling. </p>
<p>Note that this does not define the color as being the 'transparency color'
-used for color-mapped image formats, such as GIF. For that use <a href="command-line-options.html#transparent-color">-transparent-color</a> </p>
+used for color-mapped image formats, such as GIF. For that use <a
+href="command-line-options.html#transparent-color" >-transparent-color</a> </p>
<div style="margin: auto;">
- <h4><a id="transparent-color"></a>-transparent-color <var>color</var></h4>
+ <h3 class="magick-header"><a id="transparent-color"></a>-transparent-color <var>color</var></h3>
</div>
<p class="magick-description">Set the transparent color.</p>
@@ -7152,7 +8221,8 @@
<p>Sometimes this is used for saving to image formats such as
GIF and PNG8 which uses this color to represent boolean transparency. This
does not make a color transparent, it only defines what color the transparent
-color is in the color palette of the saved image. Use <a href="command-line-options.html#transparent">-transparent</a> to make an opaque color transparent.</p>
+color is in the color palette of the saved image. Use <a
+href="command-line-options.html#transparent">-transparent</a> to make an opaque color transparent.</p>
<p>This option allows you to have both an opaque visible color, as well as a
transparent color of the same color value without conflict. That is, you can
@@ -7165,7 +8235,7 @@
<p>The default transparent color is <code>#00000000</code>, which is fully transparent black.</p>
<div style="margin: auto;">
- <h4><a id="transpose"></a>-transpose</h4>
+ <h3 class="magick-header"><a id="transpose"></a>-transpose</h3>
</div>
<p class="magick-description">Mirror the image along the top-left to bottom-right diagonal.</p>
@@ -7174,14 +8244,14 @@
</p>
<div style="margin: auto;">
- <h4><a id="transverse"></a>-transverse</h4>
+ <h3 class="magick-header"><a id="transverse"></a>-transverse</h3>
</div>
<p class="magick-description">Mirror the image along the images bottom-left top-right diagonal. Equivalent to the operations <code>-flop -rotate 90</code>.</p>
<div style="margin: auto;">
- <h4><a id="treedepth"></a>-treedepth <var>value</var></h4>
+ <h3 class="magick-header"><a id="treedepth"></a>-treedepth <var>value</var></h3>
</div>
<p class="magick-description">tree depth for the color reduction algorithm.</p>
@@ -7193,14 +8263,15 @@
image with the fastest computational speed and the least amount of memory.
However, the default depth is inappropriate for some images. To assure the
best representation, try values between 2 and 8 for this parameter. Refer to
-the <a href="quantize.html">color reduction algorithm</a> for more details.</p>
+the <a href="quantize.html"
+>color reduction algorithm</a> for more details.</p>
<p>The <a href="command-line-options.html#colors">-colors</a> or <a href="command-line-options.html#monochrome">-monochrome</a>
option, or writing to an image format which requires color reduction, is
required for this option to take effect.</p>
<div style="margin: auto;">
- <h4><a id="trim"></a>-trim</h4>
+ <h3 class="magick-header"><a id="trim"></a>-trim</h3>
</div>
<p class="magick-description">trim an image.</p>
@@ -7220,7 +8291,7 @@
<div style="margin: auto;">
- <h4><a id="type"></a>-type <var>type</var></h4>
+ <h3 class="magick-header"><a id="type"></a>-type <var>type</var></h3>
</div>
<p class="magick-description">the image type.</p> <p>Choose from: <code>Bilevel</code>,
@@ -7229,7 +8300,8 @@
<code>ColorSeparation</code>, or <code>ColorSeparationMatte</code>.</p>
<p>Normally, when a format supports different subformats such as grayscale and
-truecolor, the encoder will try to choose an efficient subformat. The <a href="command-line-options.html#type">-type</a> option can be used to override this behavior. For
+truecolor, the encoder will try to choose an efficient subformat. The <a
+href="command-line-options.html#type">-type</a> option can be used to override this behavior. For
example, to prevent a JPEG from being written in grayscale format even though
only gray pixels are present, use.</p>
@@ -7244,7 +8316,7 @@
<p>Use <a href="command-line-options.html#type">-type optimize</a> to ensure the image is written in the smallest possible file size.</p>
<div style="margin: auto;">
- <h4><a id="undercolor"></a>-undercolor <var>color</var></h4>
+ <h3 class="magick-header"><a id="undercolor"></a>-undercolor <var>color</var></h3>
</div>
<p class="magick-description">set the color of the annotation bounding box.</p>
@@ -7255,7 +8327,7 @@
<div style="margin: auto;">
- <h4><a id="update"></a>-update <var>seconds</var></h4>
+ <h3 class="magick-header"><a id="update"></a>-update <var>seconds</var></h3>
</div>
<p class="magick-description">detect when image file is modified and redisplay.</p>
@@ -7267,14 +8339,14 @@
<div style="margin: auto;">
- <h4><a id="unique-colors"></a>-unique-colors</h4>
+ <h3 class="magick-header"><a id="unique-colors"></a>-unique-colors</h3>
</div>
<p class="magick-description">discard all but one of any pixel color.</p>
<div style="margin: auto;">
- <h4><a id="units"></a>-units <var>type</var></h4>
+ <h3 class="magick-header"><a id="units"></a>-units <var>type</var></h3>
</div>
<p class="magick-description">the units of image resolution.</p>
@@ -7285,7 +8357,7 @@
<div style="margin: auto;">
- <h4><a id="unsharp"></a>-unsharp <var>radius</var><br>-unsharp <var>radius</var>x<var>sigma</var>{<var>+gain</var>}{<var>+threshold</var>}</h4>
+ <h3 class="magick-header"><a id="unsharp"></a>-unsharp <var>radius</var><br />-unsharp <var>radius</var>x<var>sigma</var>{<var>+gain</var>}{<var>+threshold</var>}</h3>
</div>
<p class="magick-description">sharpen the image with an unsharp mask operator.</p>
@@ -7309,28 +8381,28 @@
<div style="margin: auto;">
- <h4><a id="verbose"></a>-verbose</h4>
+ <h3 class="magick-header"><a id="verbose"></a>-verbose</h3>
</div>
<p class="magick-description">print detailed information about the image when this option precedes the <a href="command-line-options.html#identify">-identify</a> option or <code>info:</code>.</p>
<div style="margin: auto;">
- <h4><a id="version"></a>-version</h4>
+ <h3 class="magick-header"><a id="version"></a>-version</h3>
</div>
<p class="magick-description">print ImageMagick version string and exit.</p>
<div style="margin: auto;">
- <h4><a id="view"></a>-view <var>string</var></h4>
+ <h3 class="magick-header"><a id="view"></a>-view <var>string</var></h3>
</div>
<p class="magick-description">FlashPix viewing parameters.</p>
<div style="margin: auto;">
- <h4><a id="vignette"></a>-vignette <var>radius</var>{x<var>sigma</var>}{<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="vignette"></a>-vignette <var>radius</var>{x<var>sigma</var>}{<var>+-</var>}<var>x</var>{<var>+-</var>}<var>y</var>{<var>%</var>}</h3>
</div>
<p class="magick-description">soften the edges of the image in vignette style.</p>
@@ -7338,7 +8410,7 @@
<p>The vignette effect rolloff is controlled by radiusxsigma. For nominal rolloff, this would be set to 0xsigma. A value of 0x0 will produce a circle/ellipse with no rolloff. The arguments x and y control the size of the circle. Larger values decrease the radii and smaller values increase the radii. Values of +0+0 will generate a circle/ellipse the same size as the image. The default values for x and y are 10% of the corresponding image dimension. Thus, the radii will be decreased by 10%, i.e., the diameters of the circle/ellipse will be 80% of the corresponding image dimension.</p>
<div style="margin: auto;">
- <h4><a id="virtual-pixel"></a>-virtual-pixel <var>method</var></h4>
+ <h3 class="magick-header"><a id="virtual-pixel"></a>-virtual-pixel <var>method</var></h3>
</div>
<p class="magick-description">Specify contents of <var>virtual pixels</var>.</p>
@@ -7350,35 +8422,38 @@
<p>Choose from these methods:</p>
-<pre>
- background the area surrounding the image is the background color
- black the area surrounding the image is black
- checker-tile alternate squares with image and background color
- dither non-random 32x32 dithered pattern
- edge extend the edge pixel toward infinity
- gray the area surrounding the image is gray
- horizontal-tile horizontally tile the image, background color above/below
- horizontal-tile-edge horizontally tile the image and replicate the side edge pixels
- mirror mirror tile the image
- random choose a random pixel from the image
- tile tile the image (default)
- transparent the area surrounding the image is transparent blackness
- vertical-tile vertically tile the image, sides are background color
- vertical-tile-edge vertically tile the image and replicate the side edge pixels
- white the area surrounding the image is white
-</pre>
+<dl class="dl-horizontal">
+<dt>background</dt><dd>the area surrounding the image is the background color</dd>
+<dt>black</dt><dd>the area surrounding the image is black</dd>
+<dt>checker-tile</dt><dd>alternate squares with image and background color</dd>
+<dt>dither</dt><dd>non-random 32x32 dithered pattern</dd>
+<dt>edge</dt><dd>extend the edge pixel toward infinity</dd>
+<dt>gray</dt><dd>the area surrounding the image is gray</dd>
+<dt>horizontal-tile</dt><dd>horizontally tile the image, background color above/below</dd>
+<dt>horizontal-tile-edge</dt><dd>horizontally tile the image and replicate the side edge pixels</dd>
+<dt>mirror</dt><dd>mirror tile the image</dd>
+<dt>random</dt><dd>choose a random pixel from the image</dd>
+<dt>tile</dt><dd>tile the image (default)</dd>
+<dt>transparent</dt><dd>the area surrounding the image is transparent blackness</dd>
+<dt>vertical-tile</dt><dd>vertically tile the image, sides are background color</dd>
+<dt>vertical-tile-edge</dt><dd>vertically tile the image and replicate the side edge pixels</dd>
+<dt>white</dt><dd>the area surrounding the image is white</dd>
+</dl>
<p>The default value is "edge".</p>
-<p>This most important for distortion operators such as <a href="command-line-options.html#distort">-distort</a>, <a href="command-line-options.html#implode">-implode</a>, and <a href="command-line-options.html#fx">-fx</a>.
+<p>This most important for distortion operators such as <a href="command-line-options.html#distort"
+>-distort</a>, <a href="command-line-options.html#implode" >-implode</a>, and <a href="command-line-options.html#fx" >-fx</a>.
However it also effects operations that may access pixels just outside the
-image proper, such as <a href="command-line-options.html#convolve">-convolve</a>, <a href="command-line-options.html#blur">-blur</a>, and <a href="command-line-options.html#sharpen">-sharpen</a>. </p>
+image proper, such as <a href="command-line-options.html#convolve">-convolve</a>, <a
+href="command-line-options.html#blur">-blur</a>, and <a href="command-line-options.html#sharpen">-sharpen</a>. </p>
-<p>To print a complete list of virtual pixel types, use the <a href="command-line-options.html#list">-list virtual-pixel</a> option.</p>
+<p>To print a complete list of virtual pixel types, use the <a
+href="command-line-options.html#list">-list virtual-pixel</a> option.</p>
<div style="margin: auto;">
- <h4><a id="visual"></a>-visual <var>type</var></h4>
+ <h3 class="magick-header"><a id="visual"></a>-visual <var>type</var></h3>
</div>
<p class="magick-description">Animate images using this X visual type.", 'animate', 'display'</p>
@@ -7386,14 +8461,14 @@
<p>Choose from these visual classes:</p>
<pre>
- StaticGray
- GrayScale
- StaticColor
- PseudoColor
- TrueColor
- DirectColor
- default
- visual id
+StaticGray
+GrayScale
+StaticColor
+PseudoColor
+TrueColor
+DirectColor
+default
+visual id
</pre>
<p>The X server must support the visual you choose, otherwise an error occurs.
@@ -7402,7 +8477,7 @@
<div style="margin: auto;">
- <h4><a id="watermark"></a>-watermark <var>brightness</var>x<var>saturation</var></h4>
+ <h3 class="magick-header"><a id="watermark"></a>-watermark <var>brightness</var>x<var>saturation</var></h3>
</div>
<p class="magick-description">Watermark an image using the given percentages of brightness and saturation.</p>
@@ -7415,7 +8490,7 @@
<div style="margin: auto;">
- <h4><a id="wave"></a>-wave <var>amplitude</var><br>-wave <var>amplitude</var>x<var>wavelength</var></h4>
+ <h3 class="magick-header"><a id="wave"></a>-wave <var>amplitude</var><br />-wave <var>amplitude</var>x<var>wavelength</var></h3>
</div>
<p class="magick-description">Shear the columns of an image into a sine wave.</p>
@@ -7424,7 +8499,7 @@
of the wave.</p>
<div style="margin: auto;">
- <h4><a id="weight"></a>-weight <var>fontWeight</var></h4>
+ <h3 class="magick-header"><a id="weight"></a>-weight <var>fontWeight</var></h3>
</div>
<p class="magick-description">Set a font weight for text.</p>
@@ -7434,8 +8509,8 @@
<var>fontWeight</var> or select from the following.</p>
<table class="table table-condensed table-striped">
- <col width="25%">
- <col width="75%">
+ <col width="25%" />
+ <col width="75%" />
<thead>
<tr>
<th><var>fontWeight</var></th>
@@ -7459,26 +8534,28 @@
<p>To print a complete list of weight types, use <a href="command-line-options.html#list">-list
weight</a>.</p>
-<p>For other settings that affect fonts, see the options <a href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#family">-family</a>, <a href="command-line-options.html#stretch">-stretch</a>, and <a href="command-line-options.html#style">-style</a>. </p>
+<p>For other settings that affect fonts, see the options <a
+href="command-line-options.html#font">-font</a>, <a href="command-line-options.html#family">-family</a>, <a
+href="command-line-options.html#stretch">-stretch</a>, and <a href="command-line-options.html#style">-style</a>. </p>
<div style="margin: auto;">
- <h4><a id="white-point"></a>-white-point <var>x,y</var></h4>
+ <h3 class="magick-header"><a id="white-point"></a>-white-point <var>x,y</var></h3>
</div>
<p class="magick-description">chromaticity white point.</p>
<div style="margin: auto;">
- <h4><a id="white-threshold"></a>-white-threshold <var>value</var>{<var>%</var>}</h4>
+ <h3 class="magick-header"><a id="white-threshold"></a>-white-threshold <var>value</var>{<var>%</var>}</h3>
</div>
<p class="magick-description">Force to white all pixels above the threshold while leaving all pixels at or below the threshold unchanged.</p>
<p> The threshold value can be given as a percentage or as an absolute integer
value within [0, <var>QuantumRange</var>] corresponding to the
-desired <a href="command-line-options.html#channel">‑channel</a> value. See <a href="command-line-options.html#threshold">‑threshold</a>for more details on thresholds and resulting values. </p>
+desired <a href="command-line-options.html#channel">‑channel</a> value. See <a href="command-line-options.html#threshold">‑threshold</a>for more details on thresholds and resulting values. </p>
<div style="margin: auto;">
- <h4><a id="window"></a>-window <var>id</var></h4>
+ <h3 class="magick-header"><a id="window"></a>-window <var>id</var></h3>
</div>
<p class="magick-description">Make the image the background of a window.", 'animate', 'display'</p>
@@ -7492,16 +8569,17 @@
for details.</p>
<p>The image will not display on the root window if the image has more unique
-colors than the target window colormap allows. Use <a href="command-line-options.html#colors">-colors</a> to reduce the number of colors.</p>
+colors than the target window colormap allows. Use <a
+href="command-line-options.html#colors">-colors</a> to reduce the number of colors.</p>
<div style="margin: auto;">
- <h4><a id="window-group"></a>-window-group</h4>
+ <h3 class="magick-header"><a id="window-group"></a>-window-group</h3>
</div>
<p class="magick-description">specify the window group.</p>
<div style="margin: auto;">
- <h4><a id="write"></a>-write <var>filename</var></h4>
+ <h3 class="magick-header"><a id="write"></a>-write <var>filename</var></h3>
</div>
<p class="magick-description">write an image sequence.</p>
@@ -7530,7 +8608,7 @@
<script src="https://localhost/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script src="../js/bootstrap.min.js"></script>
<script type="text/javascript">
- /* */
+ /* <![CDATA[ */
(function() {
var s = document.createElement('offline-script'), t = document.getElementsByTagName('offline-script')[0];
s.type = 'text/javascript';
@@ -7538,7 +8616,7 @@
s.src = 'http://api.flattr.com/js/0.6/load.js?mode=auto';
t.parentNode.insertBefore(s, t);
})();
- /* */
+ /* ]]> */
</script>
</div>
</body>