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| <h1>ImageMagick Display Command-line Tool</h1> |
| <p class="navigation-index">[<a href="display.html#usage">Example Usage</a> • <a href="display.html#options">Option Summary</a>]</p> |
| |
| <div class="doc-section"> |
| <p>Use the <code>display</code> program to display an image or image sequence on any X server. See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <code>display</code> command or see below for example usages of the command.</p> |
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| |
| <h2><a id="usage"></a>Example Usage</h2> |
| <div class="doc-section"> |
| |
| <p>We list a few examples of the <code>display</code> command here to illustrate its usefulness and ease of use. To get started, lets display an image in the JPEG format:</p> |
| |
| <p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>display rose.jpg</span></p> |
| <p>To tile a slate texture onto the root window, use:</p> |
| |
| <p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>display -size 1280x1024 -window root slate.png</span></p> |
| <p>To display a visual image directory of all your JPEG images, use:</p> |
| |
| <p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>display 'vid:*.jpg'</span></p> |
| <p>The display program defaults to the X screen resolution. To display vecotr formats at their intended size, override the default resolution:</p> |
| |
| <p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>display -density 72 drawing.svg</span></p> |
| <p>You can find additional examples of using <code>display</code> in <a href="http://www.ibm.com/developerworks/library/l-graf/">Graphics from the Command Line</a>. Further discussion is available in <a href="https://www.ibm.com/developerworks/library/l-graf2/">More Graphics from the Command Line</a> and <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p> |
| |
| </div> |
| |
| <h2><a id="options"></a>Option Summary</h2> |
| <div class="doc-section"> |
| |
| <p>The <code>display</code> command recognizes these options. Click on an option to get more details about how that option works.</p> |
| |
| <table class="doc"> |
| <tbody> |
| <tr> |
| <th align="left">Option</th> |
| <th align="left">Description</th> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#alpha">-alpha</a></td> |
| <td valign="top">on, activate, off, deactivate, set, opaque, copy", |
| transparent, extract, background, or shape the alpha channel</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#antialias">-antialias</a></td> |
| <td valign="top">remove pixel-aliasing</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td> |
| <td valign="top">decrypt image with this password</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#backdrop">-backdrop</a></td> |
| <td valign="top">display image centered on a backdrop</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#background">-background <em class="option">color</em></a></td> |
| <td valign="top">background color</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#border">-border <em class="option">geometry</em></a></td> |
| <td valign="top">surround image with a border of color</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td> |
| <td valign="top">border color</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#channel">-channel <em class="option">type</em></a></td> |
| <td valign="top">apply option to select image channels</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#clip">-clip</a></td> |
| <td valign="top">clip along the first path from the 8BIM profile</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td> |
| <td valign="top">clip along a named path from the 8BIM profile</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#coalesce">-coalesce</a></td> |
| <td valign="top">merge a sequence of images</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#colormap">-colormap <em class="option">type</em></a></td> |
| <td valign="top">Shared or Private</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#colors">-colors <em class="option">value</em></a></td> |
| <td valign="top">preferred number of colors in the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td> |
| <td valign="top">set image colorspace</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#comment">-comment <em class="option">string</em></a></td> |
| <td valign="top">annotate image with comment</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#compress">-compress <em class="option">type</em></a></td> |
| <td valign="top">image compression type</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#contrast">-contrast</a></td> |
| <td valign="top">enhance or reduce the image contrast</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#crop">-crop <em class="option">geometry</em></a></td> |
| <td valign="top">preferred size and location of the cropped image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#debug">-debug <em class="option">events</em></a></td> |
| <td valign="top">display copious debugging information</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td> |
| <td valign="top">convert cipher pixels to plain</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#define">-define <em class="option">format:option</em></a></td> |
| <td valign="top">define one or more image format options</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#delay">-delay <em class="option">value</em></a></td> |
| <td valign="top">display the next image after pausing</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#density">-density <em class="option">geometry</em></a></td> |
| <td valign="top">horizontal and vertical density of the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#depth">-depth <em class="option">value</em></a></td> |
| <td valign="top">image depth</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#despeckle">-despeckle</a></td> |
| <td valign="top">reduce the speckles within an image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#display">-display <em class="option">server</em></a></td> |
| <td valign="top">get image or font from this X server</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#dispose">-dispose <em class="option">method</em></a></td> |
| <td valign="top">layer disposal method</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#dither">-dither <em class="option">method</em></a></td> |
| <td valign="top">apply error diffusion to image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#edge">-edge <em class="option">radius</em></a></td> |
| <td valign="top">apply a filter to detect edges in the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#endian">-endian <em class="option">type</em></a></td> |
| <td valign="top">endianness (MSB or LSB) of the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#enhance">-enhance</a></td> |
| <td valign="top">apply a digital filter to enhance a noisy image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#equalize">-equalize</a></td> |
| <td valign="top">perform histogram equalization to an image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#extract">-extract <em class="option">geometry</em></a></td> |
| <td valign="top">extract area from image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#filter">-filter <em class="option">type</em></a></td> |
| <td valign="top">use this filter when resizing an image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#flatten">-flatten</a></td> |
| <td valign="top">flatten a sequence of images</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#flip">-flip</a></td> |
| <td valign="top">flip image in the vertical direction</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#flop">-flop</a></td> |
| <td valign="top">flop image in the horizontal direction</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#frame">-frame <em class="option">geometry</em></a></td> |
| <td valign="top">surround image with an ornamental border</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td> |
| <td valign="top">colors within this distance are considered equal</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#gamma">-gamma <em class="option">value</em></a></td> |
| <td valign="top">level of gamma correction</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td> |
| <td valign="top">preferred size or location of the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#gravity">-gravity <em class="option">geometry</em></a></td> |
| <td valign="top">horizontal and vertical backdrop placement</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#help">-help</a></td> |
| <td valign="top">print program options</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#identify">-identify</a></td> |
| <td valign="top">identify the format and characteristics of the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#immutable">-immutable <em class="option">type</em></a></td> |
| <td valign="top">prohibit image edits</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#interlace">-interlace <em class="option">type</em></a></td> |
| <td valign="top">type of image interlacing scheme</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td> |
| <td valign="top">pixel color interpolation method</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#label">-label <em class="option">name</em></a></td> |
| <td valign="top">assign a label to an image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#limit">-limit <em class="option">type value</em></a></td> |
| <td valign="top">pixel cache resource limit</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#log">-log <em class="option">format</em></a></td> |
| <td valign="top">format of debugging information</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#map">-map <em class="option">filename</em></a></td> |
| <td valign="top">transform image colors to match this set of colors</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td> |
| <td valign="top">frame color</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#monitor">-monitor</a></td> |
| <td valign="top">monitor progress</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#monochrome">-monochrome</a></td> |
| <td valign="top">transform image to black and white</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#negate">-negate</a></td> |
| <td valign="top">replace each pixel with its complementary color </td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#normalize">-normalize</a></td> |
| <td valign="top">transform image to span the full range of colors</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#page">-page <em class="option">geometry</em></a></td> |
| <td valign="top">size and location of an image canvas (setting)</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#profile">-profile <em class="option">filename</em></a></td> |
| <td valign="top">add, delete, or apply an image profile</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td> |
| <td valign="top">reduce image colors in this colorspace</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#quiet">-quiet</a></td> |
| <td valign="top">suppress all warning messages</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#raise">-raise <em class="option">value</em></a></td> |
| <td valign="top">lighten/darken image edges to create a 3-D effect</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td> |
| <td valign="top">pay attention to warning messages.</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#remote">-remote <em class="option">command</em></a></td> |
| <td valign="top">execute a command in an remote display process</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#resample">-resample <em class="option">geometry</em></a></td> |
| <td valign="top">change the resolution of an image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#resize">-resize <em class="option">geometry</em></a></td> |
| <td valign="top">resize the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td> |
| <td valign="top">settings remain in effect until parenthesis boundary.</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#roll">-roll <em class="option">geometry</em></a></td> |
| <td valign="top">roll an image vertically or horizontally</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td> |
| <td valign="top">apply Paeth rotation to the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#sample">-sample <em class="option">geometry</em></a></td> |
| <td valign="top">scale image with pixel sampling</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td> |
| <td valign="top">horizontal and vertical sampling factor</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#scene">-scene <em class="option">value</em></a></td> |
| <td valign="top">image scene number</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#seed">-seed <em class="option">value</em></a></td> |
| <td valign="top">seed a new sequence of pseudo-random numbers</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#segment">-segment <em class="option">values</em></a></td> |
| <td valign="top">segment an image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#set">-set <em class="option">attribute value</em></a></td> |
| <td valign="top">set an image attribute</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td> |
| <td valign="top">sharpen the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#size">-size <em class="option">geometry</em></a></td> |
| <td valign="top">width and height of image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#strip">-strip</a></td> |
| <td valign="top">strip image of all profiles and comments</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td> |
| <td valign="top">create a thumbnail of the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td> |
| <td valign="top">transparent color</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td> |
| <td valign="top">force all pixels below the threshold into black</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#trim">-trim</a></td> |
| <td valign="top">trim image edges</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#update">-update <em class="option">seconds</em></a></td> |
| <td valign="top">detect when image file is modified and redisplay</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#verbose">-verbose</a></td> |
| <td valign="top">print detailed information about the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#version">-version</a></td> |
| <td valign="top">print version information</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td> |
| <td valign="top">access method for pixels outside the boundaries of the image</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#visual">-visual</a></td> |
| <td valign="top">display image using this visual type</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#write">-window <em class="option">id</em></a></td> |
| <td valign="top">display image to background of this window</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#write">-window-group <em class="option">id</em></a></td> |
| <td valign="top">exit program when this window id is destroyed</td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><a href="command-line-options.html#write">-write <em class="option">filename</em></a></td> |
| <td valign="top">write images to this file</td> |
| </tr> |
| </tbody> |
| </table> |
| |
| </div> |
| |
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