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13 <title>ImageMagick: Command-line Tools: Display</title>
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74<div class="sub">
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96<div class="sub">
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149</div>
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165
166<div class="main">
167
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]168<p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
169
170<div class="doc-section">
171<p>Use the <kbd>display</kbd> program to display an image or image sequence on any X server. See <a href="../www/command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>display</kbd> command or see below for example usages of the command.</p>
172</div>
173
174<h2><a name="usage"></a>Example Usage</h2>
175<div class="doc-section">
176
177<p>We list a few examples of the <kbd>display</kbd> command here to illustrate its usefulness and ease of use. To get started, lets display an image in the JPEG format:</p>
178
179<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>display rose.jpg</span></p>
180<p>To tile a slate texture onto the root window, use:</p>
181
182<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>display -size 1280x1024 -window root slate.png</span></p>
183<p>To display a visual image directory of all your JPEG images, use:</p>
184
185<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>display 'vid:*.jpg'</span></p>
186<p>You can find additional examples of using <kbd>display</kbd> in <a href="http://www-106.ibm.com/developerworks/library/l-graf/?ca=dnt-428">Graphics from the Command Line</a>. Further discussion is available in <a href="http://www-106.ibm.com/developerworks/library/l-graf2/?ca=dgr-lnxw15GraphicsLine">More Graphics from the Command Line</a> and <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
187
188</div>
189
190<h2><a name="options"></a>Option Summary</h2>
191<div class="doc-section">
192
193<p>The <kbd>display</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p>
194
195<table class="doc">
196 <tbody>
197 <tr>
198 <th align="left">Option</th>
199 <th align="left">Description</th>
200 </tr>
201
202 <tr>
203 <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
204 <td valign="top">on, activate, off, deactivate, set, opaque, copy",
205transparent, extract, background, or shape the alpha channel</td>
206 </tr>
207
208 <tr>
209 <td valign="top"><a href="../www/command-line-options.html#antialias">-antialias</a></td>
210 <td valign="top">remove pixel-aliasing</td>
211 </tr>
212
213 <tr>
214 <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
215 <td valign="top">decrypt image with this password</td>
216 </tr>
217
218 <tr>
219 <td valign="top"><a href="../www/command-line-options.html#backdrop">-backdrop</a></td>
220 <td valign="top">display image centered on a backdrop</td>
221 </tr>
222
223 <tr>
224 <td valign="top"><a href="../www/command-line-options.html#background">-background <em class="option">color</em></a></td>
225 <td valign="top">background color</td>
226 </tr>
227
228 <tr>
229 <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
230 <td valign="top">surround image with a border of color</td>
231 </tr>
232
233 <tr>
234 <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
235 <td valign="top">border color</td>
236 </tr>
237
238 <tr>
239 <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
240 <td valign="top">apply option to select image channels</td>
241 </tr>
242
243 <tr>
244 <td valign="top"><a href="../www/command-line-options.html#clip">-clip</a></td>
245 <td valign="top">clip along the first path from the 8BIM profile</td>
246 </tr>
247
248 <tr>
249 <td valign="top"><a href="../www/command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td>
250 <td valign="top">clip along a named path from the 8BIM profile</td>
251 </tr>
252
253 <tr>
254 <td valign="top"><a href="../www/command-line-options.html#coalesce">-coalesce</a></td>
255 <td valign="top">merge a sequence of images</td>
256 </tr>
257
258 <tr>
259 <td valign="top"><a href="../www/command-line-options.html#colormap">-colormap <em class="option">type</em></a></td>
260 <td valign="top">Shared or Private</td>
261 </tr>
262
263 <tr>
264 <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
265 <td valign="top">preferred number of colors in the image</td>
266 </tr>
267
268 <tr>
269 <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
270 <td valign="top">set image colorspace</td>
271 </tr>
272
273 <tr>
274 <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
275 <td valign="top">annotate image with comment</td>
276 </tr>
277
278 <tr>
279 <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
280 <td valign="top">image compression type</td>
281 </tr>
282
283 <tr>
284 <td valign="top"><a href="../www/command-line-options.html#contrast">-contrast</a></td>
285 <td valign="top">enhance or reduce the image contrast</td>
286 </tr>
287
288 <tr>
289 <td valign="top"><a href="../www/command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
290 <td valign="top">preferred size and location of the cropped image</td>
291 </tr>
292
293 <tr>
294 <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
295 <td valign="top">display copious debugging information</td>
296 </tr>
297
298 <tr>
299 <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
300 <td valign="top">convert cipher pixels to plain</td>
301 </tr>
302
303 <tr>
304 <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
305 <td valign="top">define one or more image format options</td>
306 </tr>
307
308 <tr>
309 <td valign="top"><a href="../www/command-line-options.html#delay">-delay <em class="option">value</em></a></td>
310 <td valign="top">display the next image after pausing</td>
311 </tr>
312
313 <tr>
314 <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
315 <td valign="top">horizontal and vertical density of the image</td>
316 </tr>
317
318 <tr>
319 <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
320 <td valign="top">image depth</td>
321 </tr>
322
323 <tr>
324 <td valign="top"><a href="../www/command-line-options.html#despeckle">-despeckle</a></td>
325 <td valign="top">reduce the speckles within an image</td>
326 </tr>
327
328 <tr>
329 <td valign="top"><a href="../www/command-line-options.html#display">-display <em class="option">server</em></a></td>
330 <td valign="top">get image or font from this X server</td>
331 </tr>
332
333 <tr>
334 <td valign="top"><a href="../www/command-line-options.html#dispose">-dispose <em class="option">method</em></a></td>
335 <td valign="top">layer disposal method</td>
336 </tr>
337
338 <tr>
339 <td valign="top"><a href="../www/command-line-options.html#dither">-dither <em class="option">method</em></a></td>
340 <td valign="top">apply error diffusion to image</td>
341 </tr>
342
343 <tr>
344 <td valign="top"><a href="../www/command-line-options.html#edge">-edge <em class="option">radius</em></a></td>
345 <td valign="top">apply a filter to detect edges in the image</td>
346 </tr>
347
348 <tr>
349 <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
350 <td valign="top">endianness (MSB or LSB) of the image</td>
351 </tr>
352
353 <tr>
354 <td valign="top"><a href="../www/command-line-options.html#enhance">-enhance</a></td>
355 <td valign="top">apply a digital filter to enhance a noisy image</td>
356 </tr>
357
358 <tr>
359 <td valign="top"><a href="../www/command-line-options.html#equalize">-equalize</a></td>
360 <td valign="top">perform histogram equalization to an image</td>
361 </tr>
362
363 <tr>
364 <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
365 <td valign="top">extract area from image</td>
366 </tr>
367
368 <tr>
369 <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
370 <td valign="top">use this filter when resizing an image</td>
371 </tr>
372
373 <tr>
374 <td valign="top"><a href="../www/command-line-options.html#flatten">-flatten</a></td>
375 <td valign="top">flatten a sequence of images</td>
376 </tr>
377
378 <tr>
379 <td valign="top"><a href="../www/command-line-options.html#flip">-flip</a></td>
380 <td valign="top">flip image in the vertical direction</td>
381 </tr>
382
383 <tr>
384 <td valign="top"><a href="../www/command-line-options.html#flop">-flop</a></td>
385 <td valign="top">flop image in the horizontal direction</td>
386 </tr>
387
388 <tr>
389 <td valign="top"><a href="../www/command-line-options.html#frame">-frame <em class="option">geometry</em></a></td>
390 <td valign="top">surround image with an ornamental border</td>
391 </tr>
392
393 <tr>
394 <td valign="top"><a href="../www/command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td>
395 <td valign="top">colors within this distance are considered equal</td>
396 </tr>
397
398 <tr>
399 <td valign="top"><a href="../www/command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
400 <td valign="top">level of gamma correction</td>
401 </tr>
402
403 <tr>
404 <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
405 <td valign="top">preferred size or location of the image</td>
406 </tr>
407
408 <tr>
409 <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">geometry</em></a></td>
410 <td valign="top">horizontal and vertical backdrop placement</td>
411 </tr>
412
413 <tr>
414 <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
415 <td valign="top">print program options</td>
416 </tr>
417
418 <tr>
419 <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
420 <td valign="top">identify the format and characteristics of the image</td>
421 </tr>
422
423 <tr>
424 <td valign="top"><a href="../www/command-line-options.html#immutable">-immutable <em class="option">type</em></a></td>
425 <td valign="top">prohibit image edits</td>
426 </tr>
427
428 <tr>
429 <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
430 <td valign="top">type of image interlacing scheme</td>
431 </tr>
432
433 <tr>
434 <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
435 <td valign="top">pixel color interpolation method</td>
436 </tr>
437
438 <tr>
439 <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">name</em></a></td>
440 <td valign="top">assign a label to an image</td>
441 </tr>
442
443 <tr>
444 <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
445 <td valign="top">pixel cache resource limit</td>
446 </tr>
447
448 <tr>
449 <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
450 <td valign="top">format of debugging information</td>
451 </tr>
452
453 <tr>
454 <td valign="top"><a href="../www/command-line-options.html#map">-map <em class="option">filename</em></a></td>
455 <td valign="top">transform image colors to match this set of colors</td>
456 </tr>
457
458 <tr>
459 <td valign="top"><a href="../www/command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td>
460 <td valign="top">frame color</td>
461 </tr>
462
463 <tr>
464 <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
465 <td valign="top">monitor progress</td>
466 </tr>
467
468 <tr>
469 <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
470 <td valign="top">transform image to black and white</td>
471 </tr>
472
473 <tr>
474 <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
cristyb29bc032010-02-01 20:29:43 +0000[diff] [blame]475 <td valign="top">replace each pixel with its complementary color </td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]476 </tr>
477
478 <tr>
479 <td valign="top"><a href="../www/command-line-options.html#normalize">-normalize</a></td>
480 <td valign="top">transform image to span the full range of colors</td>
481 </tr>
482
483 <tr>
484 <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
485 <td valign="top">size and location of an image canvas (setting)</td>
486 </tr>
487
488 <tr>
489 <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
490 <td valign="top">add, delete, or apply an image profile</td>
491 </tr>
492
493 <tr>
494 <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
495 <td valign="top">reduce image colors in this colorspace</td>
496 </tr>
497
498 <tr>
499 <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
500 <td valign="top">suppress all warning messages</td>
501 </tr>
502
503 <tr>
504 <td valign="top"><a href="../www/command-line-options.html#raise">-raise <em class="option">value</em></a></td>
505 <td valign="top">lighten/darken image edges to create a 3-D effect</td>
506 </tr>
507
508 <tr>
509 <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
510 <td valign="top">pay attention to warning messages.</td>
511 </tr>
512
513 <tr>
514 <td valign="top"><a href="../www/command-line-options.html#remote">-remote <em class="option">command</em></a></td>
515 <td valign="top">execute a command in an remote display process</td>
516 </tr>
517
518 <tr>
519 <td valign="top"><a href="../www/command-line-options.html#resample">-resample <em class="option">geometry</em></a></td>
520 <td valign="top">change the resolution of an image</td>
521 </tr>
522
523 <tr>
524 <td valign="top"><a href="../www/command-line-options.html#resize">-resize <em class="option">geometry</em></a></td>
525 <td valign="top">resize the image</td>
526 </tr>
527
528 <tr>
529 <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
530 <td valign="top">settings remain in effect until parenthesis boundary.</td>
531 </tr>
532
533 <tr>
534 <td valign="top"><a href="../www/command-line-options.html#roll">-roll <em class="option">geometry</em></a></td>
535 <td valign="top">roll an image vertically or horizontally</td>
536 </tr>
537
538 <tr>
539 <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
540 <td valign="top">apply Paeth rotation to the image</td>
541 </tr>
542
543 <tr>
544 <td valign="top"><a href="../www/command-line-options.html#sample">-sample <em class="option">geometry</em></a></td>
545 <td valign="top">scale image with pixel sampling</td>
546 </tr>
547
548 <tr>
549 <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
550 <td valign="top">horizontal and vertical sampling factor</td>
551 </tr>
552
553 <tr>
554 <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
555 <td valign="top">image scene number</td>
556 </tr>
557
558 <tr>
559 <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
560 <td valign="top">seed a new sequence of pseudo-random numbers</td>
561 </tr>
562
563 <tr>
564 <td valign="top"><a href="../www/command-line-options.html#segment">-segment <em class="option">values</em></a></td>
565 <td valign="top">segment an image</td>
566 </tr>
567
568 <tr>
569 <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
570 <td valign="top">set an image attribute</td>
571 </tr>
572
573 <tr>
574 <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
575 <td valign="top">sharpen the image</td>
576 </tr>
577
578 <tr>
579 <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
580 <td valign="top">width and height of image</td>
581 </tr>
582
583 <tr>
584 <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
585 <td valign="top">strip image of all profiles and comments</td>
586 </tr>
587
588 <tr>
cristyb3ace7e2010-02-21 00:40:49 +0000[diff] [blame]589 <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
590 <td valign="top">create a thumbnail of the image</td>
591 </tr>
592
593 <tr>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]594 <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
595 <td valign="top">transparent color</td>
596 </tr>
597
598 <tr>
599 <td valign="top"><a href="../www/command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td>
600 <td valign="top">force all pixels below the threshold into black</td>
601 </tr>
602
603 <tr>
604 <td valign="top"><a href="../www/command-line-options.html#trim">-trim</a></td>
605 <td valign="top">trim image edges</td>
606 </tr>
607
608 <tr>
609 <td valign="top"><a href="../www/command-line-options.html#update">-update <em class="option">seconds</em></a></td>
610 <td valign="top">detect when image file is modified and redisplay</td>
611 </tr>
612
613 <tr>
614 <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
615 <td valign="top">print detailed information about the image</td>
616 </tr>
617
618 <tr>
619 <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
620 <td valign="top">print version information</td>
621 </tr>
622
623 <tr>
624 <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
625 <td valign="top">access method for pixels outside the boundaries of the image</td>
626 </tr>
627
628 <tr>
629 <td valign="top"><a href="../www/command-line-options.html#visual">-visual</a></td>
630 <td valign="top">display image using this visual type</td>
631 </tr>
632
633 <tr>
634 <td valign="top"><a href="../www/command-line-options.html#write">-window <em class="option">id</em></a></td>
635 <td valign="top">display image to background of this window</td>
636 </tr>
637
638 <tr>
639 <td valign="top"><a href="../www/command-line-options.html#write">-window-group <em class="option">id</em></a></td>
640 <td valign="top">exit program when this window id is destroyed</td>
641 </tr>
642
643 <tr>
644 <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
645 <td valign="top">write images to this file</td>
646 </tr>
647 </tbody>
648</table>
649
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cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]651
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