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199 \r
200 <h1>ImageMagick Mogrify Command-line Tool</h1>
201 <p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
202
203 <div class="doc-section">
204 <p>Use the <kbd>mogrify</kbd> program to resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.   This tool is similiar to <a href="../www/convert.html">convert</a> except that the original image file is overwritten (unless you change the file suffix with the <a href="../www/command-line-options.html#format">-format</a> option) with any changes you request.  See <a href="../www/command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>mogrify</kbd> command or see below for sample usages of the command.</p>
205 </div>
206
207 <h2><a id="usage"></a>Example Usage</h2>
208 <div class="doc-section">
209
210 <p>We list a few examples of the <kbd>mogrify</kbd> command here to illustrate its usefulness and ease of use.  To get started, lets reduce the size of our
211 rose:</p>
212
213 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 50% rose.jpg</span></p>
214 <p class="image">
215   <a href="../images/rose.jpg">
216   <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
217   </a>
218   <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
219   <a href="../images/rose.png">
220   <img style="margin-top:12px; margin-bottom: 11px;" src="../images/rose.png" width="35" height="23" alt="rose" />
221   </a>
222 </p>
223
224 <p>You can resize all your JPEG images in a folder to a maximum dimension of 256x256 with this command:</p>
225
226 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 256x256 *.jpg</span></p>
227 <p>Finally, we convert all our PNG images to the JPEG format:</p>
228
229 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -format jpg *.png</span></p>
230 <p>Here image files 1.png, 2.png, etc., are left untouched and files 1.jpg, 2.jpg, etc., are created.  They are copies of their respective PNG images except are stored  in the JPEG image format.</p>
231
232
233 <p>You can find additional examples of using <kbd>mogrify</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>
234
235 </div>
236
237 <h2><a id="options"></a>Option Summary</h2>
238 <div class="doc-section">
239
240 <p>The <kbd>mogrify</kbd> command recognizes these options.  Click on an option to get more details about how that option works.</p>
241
242 <table class="doc">
243   <tbody>
244   <tr>
245     <th align="left">Option</th>
246     <th align="left">Description</th>
247   </tr>
248
249   <tr>
250     <td valign="top"><a href="../www/command-line-options.html#adaptive-blur">-adaptive-blur <em class="option">geometry</em></a></td>
251     <td valign="top">adaptively blur pixels; decrease effect near edges</td>
252   </tr>
253
254   <tr>
255     <td valign="top"><a href="../www/command-line-options.html#adaptive-resize">-adaptive-resize <em class="option">geometry</em></a></td>
256     <td valign="top">adaptively resize image with data dependent triangulation.</td>
257   </tr>
258
259   <tr>
260     <td valign="top"><a href="../www/command-line-options.html#adaptive-sharpen">-adaptive-sharpen <em class="option">geometry</em></a></td>
261     <td valign="top">adaptively sharpen pixels; increase effect near edges</td>
262   </tr>
263
264   <tr>
265     <td valign="top"><a href="../www/command-line-options.html#adjoin">-adjoin</a></td>
266     <td valign="top">join images into a single multi-image file</td>
267   </tr>
268
269   <tr>
270     <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
271     <td valign="top">affine transform matrix</td>
272   </tr>
273
274   <tr>
275     <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
276     <td valign="top">on, activate, off, deactivate, set, opaque, copy",
277 transparent, extract, background, or shape the alpha channel</td>
278   </tr>
279
280   <tr>
281     <td valign="top"><a href="../www/command-line-options.html#annotate">-annotate <em class="option">geometry text</em></a></td>
282     <td valign="top">annotate the image with text</td>
283   </tr>
284
285   <tr>
286     <td valign="top"><a href="../www/command-line-options.html#antialias">-antialias</a></td>
287     <td valign="top">remove pixel-aliasing</td>
288   </tr>
289
290   <tr>
291     <td valign="top"><a href="../www/command-line-options.html#append">-append</a></td>
292     <td valign="top">append an image sequence</td>
293   </tr>
294
295   <tr>
296     <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
297     <td valign="top">decipher image with this password</td>
298   </tr>
299
300   <tr>
301     <td valign="top"><a href="../www/command-line-options.html#auto-gamma">-auto-gamma</a></td>
302     <td valign="top">automagically adjust gamma level of image</td>
303   </tr>
304
305   <tr>
306     <td valign="top"><a href="../www/command-line-options.html#auto-level">-auto-level</a></td>
307     <td valign="top">automagically adjust color levels of image</td>
308   </tr>
309
310   <tr>
311     <td valign="top"><a href="../www/command-line-options.html#auto-orient">-auto-orient</a></td>
312     <td valign="top">automagically orient image</td>
313   </tr>
314
315   <tr>
316     <td valign="top"><a href="../www/command-line-options.html#background">-background <em class="option">color</em></a></td>
317     <td valign="top">background color</td>
318   </tr>
319
320   <tr>
321     <td valign="top"><a href="../www/command-line-options.html#bench">-bench <em class="option">iterations</em></a></td>
322     <td valign="top">measure performance</td>
323   </tr>
324
325   <tr>
326     <td valign="top"><a href="../www/command-line-options.html#bias">-bias <em class="option">value</em></a></td>
327     <td valign="top">add bias when convolving an image</td>
328   </tr>
329
330   <tr>
331     <td valign="top"><a href="../www/command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td>
332     <td valign="top">force all pixels below the threshold into black</td>
333   </tr>
334
335   <tr>
336     <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
337     <td valign="top">chromaticity blue primary point</td>
338   </tr>
339
340   <tr>
341     <td valign="top"><a href="../www/command-line-options.html#blue-shift">-blue-shift  <em class="option">factor</em></a></td>
342     <td valign="top">simulate a scene at nighttime in the moonlight</td>
343   </tr>
344
345   <tr>
346     <td valign="top"><a href="../www/command-line-options.html#blur">-blur <em class="option">geometry</em></a></td>
347     <td valign="top">reduce image noise and reduce detail levels</td>
348   </tr>
349
350   <tr>
351     <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
352     <td valign="top">surround image with a border of color</td>
353   </tr>
354
355   <tr>
356     <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
357     <td valign="top">border color</td>
358   </tr>
359
360   <tr>
361     <td valign="top"><a href="../www/command-line-options.html#brightness-contrast">-brightness-contrast <em class="option">geometry</em></a></td>
362     <td valign="top">improve brightness / contrast of the image</td>
363   </tr>
364
365   <tr>
366     <td valign="top"><a href="../www/command-line-options.html#caption">-caption <em class="option">string</em></a></td>
367     <td valign="top">assign a caption to an image</td>
368   </tr>
369
370   <tr>
371     <td valign="top"><a href="../www/command-line-options.html#cdl">-cdl <em class="option">filename</em></a></td>
372     <td valign="top">color correct with a color decision list</td>
373   </tr>
374
375   <tr>
376     <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
377     <td valign="top">apply option to select image channels</td>
378   </tr>
379
380   <tr>
381     <td valign="top"><a href="../www/command-line-options.html#charcoal">-charcoal <em class="option">radius</em></a></td>
382     <td valign="top">simulate a charcoal drawing</td>
383   </tr>
384
385   <tr>
386     <td valign="top"><a href="../www/command-line-options.html#chop">-chop <em class="option">geometry</em></a></td>
387     <td valign="top">remove pixels from the image interior</td>
388   </tr>
389
390   <tr>
391     <td valign="top"><a href="../www/command-line-options.html#clip">-clip</a></td>
392     <td valign="top">clip along the first path from the 8BIM profile</td>
393   </tr>
394
395   <tr>
396     <td valign="top"><a href="../www/command-line-options.html#clamp">-clamp</a></td>
397     <td valign="top">restrict colors from 0 to the quantum depth</td>
398   </tr>
399
400   <tr>
401     <td valign="top"><a href="../www/command-line-options.html#clip-mask">-clip-mask</a> <em class="option">filename</em></td>
402     <td valign="top">associate clip mask with the image</td>
403   </tr>
404
405   <tr>
406     <td valign="top"><a href="../www/command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td>
407     <td valign="top">clip along a named path from the 8BIM profile</td>
408   </tr>
409
410   <tr>
411     <td valign="top"><a href="../www/command-line-options.html#clut">-clut</a></td>
412     <td valign="top">apply a color lookup table to the image</td>
413   </tr>
414
415   <tr>
416     <td valign="top"><a href="../www/command-line-options.html#contrast-stretch">-contrast-stretch <em class="option">geometry</em></a></td>
417     <td valign="top">improve the contrast in an image by `stretching' the range of intensity value</td>
418   </tr>
419
420   <tr>
421     <td valign="top"><a href="../www/command-line-options.html#coalesce">-coalesce</a></td>
422     <td valign="top">merge a sequence of images</td>
423   </tr>
424
425   <tr>
426     <td valign="top"><a href="../www/command-line-options.html#colorize">-colorize <em class="option">value</em></a></td>
427     <td valign="top">colorize the image with the fill color</td>
428   </tr>
429
430   <tr>
431     <td valign="top"><a href="../www/command-line-options.html#color-matrix">-color-matrix <em class="option">matrix</em></a></td>
432     <td valign="top">apply color correction to the image.</td>
433   </tr>
434
435   <tr>
436     <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
437     <td valign="top">preferred number of colors in the image</td>
438   </tr>
439
440   <tr>
441     <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
442     <td valign="top">set image colorspace</td>
443   </tr>
444
445   <tr>
446     <td valign="top"><a href="../www/command-line-options.html#combine">-combine</a></td>
447     <td valign="top">combine a sequence of images</td>
448   </tr>
449
450   <tr>
451     <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
452     <td valign="top">annotate image with comment</td>
453   </tr>
454
455   <tr>
456     <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
457     <td valign="top">set image composite operator</td>
458   </tr>
459
460   <tr>
461     <td valign="top"><a href="../www/command-line-options.html#composite">-composite</a></td>
462     <td valign="top">composite image</td>
463   </tr>
464
465   <tr>
466     <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
467     <td valign="top">image compression type</td>
468   </tr>
469
470   <tr>
471     <td valign="top"><a href="../www/command-line-options.html#contrast">-contrast</a></td>
472     <td valign="top">enhance or reduce the image contrast</td>
473   </tr>
474
475   <tr>
476     <td valign="top"><a href="../www/command-line-options.html#convolve">-convolve <em class="option">coefficients</em></a></td>
477     <td valign="top">apply a convolution kernel to the image</td>
478   </tr>
479
480   <tr>
481     <td valign="top"><a href="../www/command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
482     <td valign="top">crop the image</td>
483   </tr>
484
485   <tr>
486     <td valign="top"><a href="../www/command-line-options.html#cycle">-cycle <em class="option">amount</em></a></td>
487     <td valign="top">cycle the image colormap</td>
488   </tr>
489
490   <tr>
491     <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
492     <td valign="top">convert cipher pixels to plain</td>
493   </tr>
494
495   <tr>
496     <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
497     <td valign="top">display copious debugging information</td>
498   </tr>
499
500   <tr>
501     <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
502     <td valign="top">define one or more image format options</td>
503   </tr>
504
505   <tr>
506     <td valign="top"><a href="../www/command-line-options.html#deconstruct">-deconstruct</a></td>
507     <td valign="top">break down an image sequence into constituent parts</td>
508   </tr>
509
510   <tr>
511     <td valign="top"><a href="../www/command-line-options.html#delay">-delay <em class="option">value</em></a></td>
512     <td valign="top">display the next image after pausing</td>
513   </tr>
514
515   <tr>
516     <td valign="top"><a href="../www/command-line-options.html#delete">-delete <em class="option">index</em></a></td>
517     <td valign="top">delete the image from the image sequence</td>
518   </tr>
519
520   <tr>
521     <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
522     <td valign="top">horizontal and vertical density of the image</td>
523   </tr>
524
525   <tr>
526     <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
527     <td valign="top">image depth</td>
528   </tr>
529
530   <tr>
531     <td valign="top"><a href="../www/command-line-options.html#despeckle">-despeckle</a></td>
532     <td valign="top">reduce the speckles within an image</td>
533   </tr>
534
535   <tr>
536     <td valign="top"><a href="../www/command-line-options.html#direction">-direction <em class="option">type</em></a></td>
537     <td valign="top">render text right-to-left or left-to-right</td>
538   </tr>
539
540   <tr>
541     <td valign="top"><a href="../www/command-line-options.html#display">-display <em class="option">server</em></a></td>
542     <td valign="top">get image or font from this X server</td>
543   </tr>
544
545   <tr>
546     <td valign="top"><a href="../www/command-line-options.html#dispose">-dispose <em class="option">method</em></a></td>
547     <td valign="top">layer disposal method</td>
548   </tr>
549
550   <tr>
551     <td valign="top"><a href="../www/command-line-options.html#distort">-distort <em class="option">type coefficients</em></a></td>
552     <td valign="top">distort image</td>
553   </tr>
554
555   <tr>
556     <td valign="top"><a href="../www/command-line-options.html#dither">-dither  <em class="option">method</em></a></td>
557     <td valign="top">apply error diffusion to image</td>
558   </tr>
559
560   <tr>
561     <td valign="top"><a href="../www/command-line-options.html#draw">-draw <em class="option">string</em></a></td>
562     <td valign="top">annotate the image with a graphic primitive</td>
563   </tr>
564
565   <tr>
566     <td valign="top"><a href="../www/command-line-options.html#duplicate">-duplicate <em class="option">count,indexes</em></a></td>
567     <td valign="top">duplicate an image one or more times</td>
568   </tr>
569
570   <tr>
571     <td valign="top"><a href="../www/command-line-options.html#edge">-edge <em class="option">radius</em></a></td>
572     <td valign="top">apply a filter to detect edges in the image</td>
573   </tr>
574
575   <tr>
576     <td valign="top"><a href="../www/command-line-options.html#emboss">-emboss <em class="option">radius</em></a></td>
577     <td valign="top">emboss an image</td>
578   </tr>
579
580   <tr>
581     <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
582     <td valign="top">convert plain pixels to cipher pixels</td>
583   </tr>
584
585   <tr>
586     <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
587     <td valign="top">text encoding type</td>
588   </tr>
589
590   <tr>
591     <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
592     <td valign="top">endianness (MSB or LSB) of the image</td>
593   </tr>
594
595   <tr>
596     <td valign="top"><a href="../www/command-line-options.html#enhance">-enhance</a></td>
597     <td valign="top">apply a digital filter to enhance a noisy image</td>
598   </tr>
599
600   <tr>
601     <td valign="top"><a href="../www/command-line-options.html#equalize">-equalize</a></td>
602     <td valign="top">perform histogram equalization to an image</td>
603   </tr>
604
605   <tr>
606     <td valign="top"><a href="../www/command-line-options.html#evaluate">-evaluate <em class="option">operator value</em></a></td>
607     <td valign="top">evaluate an arithmetic, relational, or logical expression</td>
608   </tr>
609
610   <tr>
611     <td valign="top"><a href="../www/command-line-options.html#evaluate-sequence">-evaluate-sequence <em class="option">operator</em></a></td>
612     <td valign="top">evaluate an arithmetic, relational, or logical expression for an image sequence</td>
613   </tr>
614
615   <tr>
616     <td valign="top"><a href="../www/command-line-options.html#extent">-extent <em class="option">geometry</em></a></td>
617     <td valign="top">set the image size</td>
618   </tr>
619
620   <tr>
621     <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
622     <td valign="top">extract area from image</td>
623   </tr>
624
625   <tr>
626     <td valign="top"><a href="../www/command-line-options.html#family">-family <em class="option">name</em></a></td>
627     <td valign="top">render text with this font family</td>
628   </tr>
629
630   <tr>
631     <td valign="top"><a href="../www/command-line-options.html#fft">-fft</a></td>
632     <td valign="top">implements the discrete Fourier transform (DFT)</td>
633   </tr>
634
635   <tr>
636     <td valign="top"><a href="../www/command-line-options.html#fill">-fill <em class="option">color</em></a></td>
637     <td valign="top">color to use when filling a graphic primitive</td>
638   </tr>
639
640   <tr>
641     <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
642     <td valign="top">use this filter when resizing an image</td>
643   </tr>
644
645   <tr>
646     <td valign="top"><a href="../www/command-line-options.html#flatten">-flatten</a></td>
647     <td valign="top">flatten a sequence of images</td>
648   </tr>
649
650   <tr>
651     <td valign="top"><a href="../www/command-line-options.html#flip">-flip</a></td>
652     <td valign="top">flip image in the vertical direction</td>
653   </tr>
654
655   <tr>
656     <td valign="top"><a href="../www/command-line-options.html#floodfill">-floodfill <em class="option">geometry color</em></a></td>
657     <td valign="top">floodfill the image with color</td>
658   </tr>
659
660   <tr>
661     <td valign="top"><a href="../www/command-line-options.html#flop">-flop</a></td>
662     <td valign="top">flop image in the horizontal direction</td>
663   </tr>
664
665   <tr>
666     <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
667     <td valign="top">render text with this font</td>
668   </tr>
669
670   <tr>
671     <td valign="top"><a href="../www/command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
672     <td valign="top">output formatted image characteristics</td>
673   </tr>
674
675   <tr>
676     <td valign="top"><a href="../www/command-line-options.html#frame">-frame <em class="option">geometry</em></a></td>
677     <td valign="top">surround image with an ornamental border</td>
678   </tr>
679
680   <tr>
681     <td valign="top"><a href="../www/command-line-options.html#function">-function <em class="option">name</em></a></td>
682     <td valign="top">apply a function to the image</td>
683   </tr>
684
685   <tr>
686     <td valign="top"><a href="../www/command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td>
687     <td valign="top">colors within this distance are considered equal</td>
688   </tr>
689
690   <tr>
691     <td valign="top"><a href="../www/command-line-options.html#fx">-fx <em class="option">expression</em></a></td>
692     <td valign="top">apply mathematical expression to an image channel(s)</td>
693   </tr>
694
695   <tr>
696     <td valign="top"><a href="../www/command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
697     <td valign="top">level of gamma correction</td>
698   </tr>
699
700   <tr>
701     <td valign="top"><a href="../www/command-line-options.html#gaussian-blur">-gaussian-blur <em class="option">geometry</em></a></td>
702     <td valign="top">reduce image noise and reduce detail levels</td>
703   </tr>
704
705   <tr>
706     <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
707     <td valign="top">preferred size or location of the image</td>
708   </tr>
709
710   <tr>
711     <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
712     <td valign="top">horizontal and vertical text placement</td>
713   </tr>
714
715   <tr>
716     <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
717     <td valign="top">chromaticity green primary point</td>
718   </tr>
719
720   <tr>
721     <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
722     <td valign="top">print program options</td>
723   </tr>
724
725   <tr>
726     <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
727     <td valign="top">identify the format and characteristics of the image</td>
728   </tr>
729
730   <tr>
731     <td valign="top"><a href="../www/command-line-options.html#ift">-ifft</a></td>
732     <td valign="top">implements the inverse discrete Fourier transform (DFT)</td>
733   </tr>
734
735   <tr>
736     <td valign="top"><a href="../www/command-line-options.html#implode">-implode <em class="option">amount</em></a></td>
737     <td valign="top">implode image pixels about the center</td>
738   </tr>
739
740   <tr>
741     <td valign="top"><a href="../www/command-line-options.html#insert">-insert <em class="option">index</em></a></td>
742     <td valign="top">insert last image into the image sequence</td>
743   </tr>
744
745   <tr>
746     <td valign="top"><a href="../www/command-line-options.html#intent">-intent <em class="option">type</em></a></td>
747     <td valign="top">type of rendering intent when managing the image color</td>
748   </tr>
749
750   <tr>
751     <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
752     <td valign="top">type of image interlacing scheme</td>
753   </tr>
754
755   <tr>
756     <td valign="top"><a href="../www/command-line-options.html#interline-spacing">-interline-spacing <em class="option">value</em></a></td>
757     <td valign="top">the space between two text lines</td>
758   </tr>
759
760   <tr>
761     <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
762     <td valign="top">pixel color interpolation method</td>
763   </tr>
764
765   <tr>
766     <td valign="top"><a href="../www/command-line-options.html#interword-spacing">-interword-spacing <em class="option">value</em></a></td>
767     <td valign="top">the space between two words</td>
768   </tr>
769
770   <tr>
771     <td valign="top"><a href="../www/command-line-options.html#kerning">-kerning <em class="option">value</em></a></td>
772     <td valign="top">the space between two characters</td>
773   </tr>
774
775   <tr>
776     <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
777     <td valign="top">assign a label to an image</td>
778   </tr>
779
780   <tr>
781     <td valign="top"><a href="../www/command-line-options.html#lat">-lat <em class="option">geometry</em></a></td>
782     <td valign="top">local adaptive thresholding</td>
783   </tr>
784
785   <tr>
786     <td valign="top"><a href="../www/command-line-options.html#layers">-layers <em class="option">method</em></a></td>
787     <td valign="top">optimize or compare image layers</td>
788   </tr>
789
790   <tr>
791     <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
792     <td valign="top">adjust the level of image contrast</td>
793   </tr>
794
795   <tr>
796     <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
797     <td valign="top">pixel cache resource limit</td>
798   </tr>
799
800   <tr>
801     <td valign="top"><a href="../www/command-line-options.html#linear-stretch">-linear-stretch <em class="option">geometry</em></a></td>
802     <td valign="top">linear with saturation histogram stretch</td>
803   </tr>
804
805   <tr>
806     <td valign="top"><a href="../www/command-line-options.html#liquid-rescale">-liquid-rescale <em class="option">geometry</em></a></td>
807     <td valign="top">rescale image with seam-carving</td>
808   </tr>
809
810   <tr>
811     <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
812     <td valign="top">format of debugging information</td>
813   </tr>
814
815   <tr>
816     <td valign="top"><a href="../www/command-line-options.html#loop">-loop <em class="option">iterations</em></a></td>
817     <td valign="top">add Netscape loop extension to your GIF animation</td>
818   </tr>
819
820   <tr>
821     <td valign="top"><a href="../www/command-line-options.html#mask">-mask <em class="option">filename</em></a></td>
822     <td valign="top">associate a mask with the image</td>
823   </tr>
824
825   <tr>
826     <td valign="top"><a href="../www/command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td>
827     <td valign="top">frame color</td>
828   </tr>
829
830   <tr>
831     <td valign="top"><a href="../www/command-line-options.html#median">-median <em class="option">radius</em></a></td>
832     <td valign="top">apply a median filter to the image</td>
833   </tr>
834
835   <tr>
836     <td valign="top"><a href="../www/command-line-options.html#mode">-mode <em class="option">radius</em></a></td>
837     <td valign="top">make each pixel the 'predominate color' of the neighborhood</td>
838   </tr>
839
840   <tr>
841     <td valign="top"><a href="../www/command-line-options.html#modulate">-modulate <em class="option">value</em></a></td>
842     <td valign="top">vary the brightness, saturation, and hue</td>
843   </tr>
844
845   <tr>
846     <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
847     <td valign="top">monitor progress</td>
848   </tr>
849
850   <tr>
851     <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
852     <td valign="top">transform image to black and white</td>
853   </tr>
854
855   <tr>
856     <td valign="top"><a href="../www/command-line-options.html#morph">-morph <em class="option">value</em></a></td>
857     <td valign="top">morph an image sequence</td>
858   </tr>
859
860   <tr>
861     <td valign="top"><a href="../www/command-line-options.html#morphology">-morphology <em class="option">method</em></a> <em class="option">kernel</em></td>
862     <td valign="top">apply a morphology method to the image</td>
863   </tr>
864
865   <tr>
866     <td valign="top"><a href="../www/command-line-options.html#motion-blur">-motion-blur <em class="option">geometry</em></a></td>
867     <td valign="top">simulate motion blur</td>
868   </tr>
869
870   <tr>
871     <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
872     <td valign="top">replace each pixel with its complementary color </td>
873   </tr>
874
875   <tr>
876     <td valign="top"><a href="../www/command-line-options.html#noise">-noise <em class="option">radius</em></a></td>
877     <td valign="top">add or reduce noise in an image</td>
878   </tr>
879
880   <tr>
881     <td valign="top"><a href="../www/command-line-options.html#normalize">-normalize</a></td>
882     <td valign="top">transform image to span the full range of colors</td>
883   </tr>
884
885   <tr>
886     <td valign="top"><a href="../www/command-line-options.html#opaque">-opaque <em class="option">color</em></a></td>
887     <td valign="top">change this color to the fill color</td>
888   </tr>
889
890   <tr>
891     <td valign="top"><a href="../www/command-line-options.html#ordered-dither">-ordered-dither <em class="option">NxN</em></a></td>
892     <td valign="top">ordered dither the image</td>
893   </tr>
894
895   <tr>
896     <td valign="top"><a href="../www/command-line-options.html#orient">-orient <em class="option">type</em></a></td>
897     <td valign="top">image orientation</td>
898   </tr>
899
900   <tr>
901     <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
902     <td valign="top">size and location of an image canvas (setting)</td>
903   </tr>
904
905   <tr>
906     <td valign="top"><a href="../www/command-line-options.html#paint">-paint <em class="option">radius</em></a></td>
907     <td valign="top">simulate an oil painting</td>
908   </tr>
909
910   <tr>
911     <td valign="top"><a href="../www/command-line-options.html#ping">-ping</a></td>
912     <td valign="top">efficiently determine image attributes</td>
913   </tr>
914
915   <tr>
916     <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
917     <td valign="top">font point size</td>
918   </tr>
919
920   <tr>
921     <td valign="top"><a href="../www/command-line-options.html#polaroid">-polaroid <em class="option">angle</em></a></td>
922     <td valign="top">simulate a Polaroid picture</td>
923   </tr>
924
925   <tr>
926     <td valign="top"><a href="../www/command-line-options.html#posterize">-posterize <em class="option">levels</em></a></td>
927     <td valign="top">reduce the image to a limited number of color levels</td>
928   </tr>
929
930   <tr>
931     <td valign="top"><a href="../www/command-line-options.html#precision">-precision <em class="option">value</em></a></td>
932     <td valign="top">set the maximum number of significant digits to be printed</td>
933   </tr>
934
935   <tr>
936     <td valign="top"><a href="../www/command-line-options.html#preview">-preview <em class="option">type</em></a></td>
937     <td valign="top">image preview type</td>
938   </tr>
939
940   <tr>
941     <td valign="top"><a href="../www/command-line-options.html#print">-print <em class="option">string</em></a></td>
942     <td valign="top">interpret string and print to console</td>
943   </tr>
944
945   <tr>
946     <td valign="top"><a href="../www/command-line-options.html#process">-process <em class="option">image-filter</em></a></td>
947     <td valign="top">process the image with a custom image filter</td>
948   </tr>
949
950   <tr>
951     <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
952     <td valign="top">add, delete, or apply an image profile</td>
953   </tr>
954
955   <tr>
956     <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
957     <td valign="top">JPEG/MIFF/PNG compression level</td>
958   </tr>
959
960   <tr>
961     <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
962     <td valign="top">reduce image colors in this colorspace</td>
963   </tr>
964
965   <tr>
966     <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
967     <td valign="top">suppress all warning messages</td>
968   </tr>
969
970   <tr>
971     <td valign="top"><a href="../www/command-line-options.html#radial-blur">-radial-blur <em class="option">angle</em></a></td>
972     <td valign="top">radial blur the image</td>
973   </tr>
974
975   <tr>
976     <td valign="top"><a href="../www/command-line-options.html#raise">-raise <em class="option">value</em></a></td>
977     <td valign="top">lighten/darken image edges to create a 3-D effect</td>
978   </tr>
979
980   <tr>
981     <td valign="top"><a href="../www/command-line-options.html#random-threshold">-random-threshold <em class="option">low,high</em></a></td>
982     <td valign="top">random threshold the image</td>
983   </tr>
984
985   <tr>
986     <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
987     <td valign="top">chromaticity red primary point</td>
988   </tr>
989
990   <tr>
991     <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
992     <td valign="top">pay attention to warning messages.</td>
993   </tr>
994
995   <tr>
996     <td valign="top"><a href="../www/command-line-options.html#region">-region <em class="option">geometry</em></a></td>
997     <td valign="top">apply options to a portion of the image</td>
998   </tr>
999
1000   <tr>
1001     <td valign="top"><a href="../www/command-line-options.html#remap">-remap <em class="option">filename</em></a></td>
1002     <td valign="top">transform image colors to match this set of colors</td>
1003   </tr>
1004
1005   <tr>
1006     <td valign="top"><a href="../www/command-line-options.html#render">-render</a></td>
1007     <td valign="top">render vector graphics</td>
1008   </tr>
1009
1010   <tr>
1011     <td valign="top"><a href="../www/command-line-options.html#repage">-repage <em class="option">geometry</em></a></td>
1012     <td valign="top">size and location of an image canvas</td>
1013   </tr>
1014
1015   <tr>
1016     <td valign="top"><a href="../www/command-line-options.html#resample">-resample <em class="option">geometry</em></a></td>
1017     <td valign="top">change the resolution of an image</td>
1018   </tr>
1019
1020   <tr>
1021     <td valign="top"><a href="../www/command-line-options.html#resize">-resize <em class="option">geometry</em></a></td>
1022     <td valign="top">resize the image</td>
1023   </tr>
1024
1025   <tr>
1026     <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
1027     <td valign="top">settings remain in effect until parenthesis boundary.</td>
1028   </tr>
1029
1030   <tr>
1031     <td valign="top"><a href="../www/command-line-options.html#roll">-roll <em class="option">geometry</em></a></td>
1032     <td valign="top">roll an image vertically or horizontally</td>
1033   </tr>
1034
1035   <tr>
1036     <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
1037     <td valign="top">apply Paeth rotation to the image</td>
1038   </tr>
1039
1040   <tr>
1041     <td valign="top"><a href="../www/command-line-options.html#sample">-sample <em class="option">geometry</em></a></td>
1042     <td valign="top">scale image with pixel sampling</td>
1043   </tr>
1044
1045   <tr>
1046     <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
1047     <td valign="top">horizontal and vertical sampling factor</td>
1048   </tr>
1049
1050   <tr>
1051     <td valign="top"><a href="../www/command-line-options.html#scale">-scale <em class="option">geometry</em></a></td>
1052     <td valign="top">scale the image</td>
1053   </tr>
1054
1055   <tr>
1056     <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
1057     <td valign="top">image scene number</td>
1058   </tr>
1059
1060   <tr>
1061     <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
1062     <td valign="top">seed a new sequence of pseudo-random numbers</td>
1063   </tr>
1064
1065   <tr>
1066     <td valign="top"><a href="../www/command-line-options.html#segment">-segment <em class="option">values</em></a></td>
1067     <td valign="top">segment an image</td>
1068   </tr>
1069
1070   <tr>
1071     <td valign="top"><a href="../www/command-line-options.html#threshold">-selective-blur <em class="option">geometry</em></a></td>
1072     <td valign="top">selectively blur pixels within a contrast threshold</td>
1073   </tr>
1074
1075   <tr>
1076     <td valign="top"><a href="../www/command-line-options.html#separate">-separate</a></td>
1077     <td valign="top">separate an image channel into a grayscale image</td>
1078   </tr>
1079
1080   <tr>
1081     <td valign="top"><a href="../www/command-line-options.html#sepia-tone">-sepia-tone <em class="option">threshold</em></a></td>
1082     <td valign="top">simulate a sepia-toned photo</td>
1083   </tr>
1084
1085   <tr>
1086     <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
1087     <td valign="top">set an image attribute</td>
1088   </tr>
1089
1090   <tr>
1091     <td valign="top"><a href="../www/command-line-options.html#shade">-shade <em class="option">degrees</em></a></td>
1092     <td valign="top">shade the image using a distant light source</td>
1093   </tr>
1094
1095   <tr>
1096     <td valign="top"><a href="../www/command-line-options.html#shadow">-shadow <em class="option">geometry</em></a></td>
1097     <td valign="top">simulate an image shadow</td>
1098   </tr>
1099
1100   <tr>
1101     <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
1102     <td valign="top">sharpen the image</td>
1103   </tr>
1104
1105   <tr>
1106     <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
1107     <td valign="top">shave pixels from the image edges</td>
1108   </tr>
1109
1110   <tr>
1111     <td valign="top"><a href="../www/command-line-options.html#shear">-shear <em class="option">geometry</em></a></td>
1112     <td valign="top">slide one edge of the image along the X or Y axis</td>
1113   </tr>
1114
1115   <tr>
1116     <td valign="top"><a href="../www/command-line-options.html#sigmoidal">-sigmoidal-contrast <em class="option">geometry</em></a></td>
1117     <td valign="top">increase the contrast without saturating highlights or shadows</td>
1118   </tr>
1119
1120   <tr>
1121     <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
1122     <td valign="top">width and height of image</td>
1123   </tr>
1124
1125   <tr>
1126     <td valign="top"><a href="../www/command-line-options.html#sketch">-sketch <em class="option">geometry</em></a></td>
1127     <td valign="top">simulate a pencil sketch</td>
1128   </tr>
1129
1130   <tr>
1131     <td valign="top"><a href="../www/command-line-options.html#smush">-smush <em class="option">offset</em></a></td>
1132     <td valign="top">smush an image sequence together</td>
1133   </tr>
1134
1135   <tr>
1136     <td valign="top"><a href="../www/command-line-options.html#solarize">-solarize <em class="option">threshold</em></a></td>
1137     <td valign="top">negate all pixels above the threshold level</td>
1138   </tr>
1139
1140   <tr>
1141     <td valign="top"><a href="../www/command-line-options.html#splice">-splice <em class="option">geometry</em></a></td>
1142     <td valign="top">splice the background color into the image</td>
1143   </tr>
1144
1145   <tr>
1146     <td valign="top"><a href="../www/command-line-options.html#spread">-spread <em class="option">radius</em></a></td>
1147     <td valign="top">displace image pixels by a random amount</td>
1148   </tr>
1149
1150   <tr>
1151     <td valign="top"><a href="../www/command-line-options.html#statistic">-statistic <em class="option">type</em> <em class="option">geometry</em></a></td>
1152     <td valign="top">replace each pixel with corresponding statistic from the neighborhood</td>
1153   </tr>
1154
1155   <tr>
1156     <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
1157     <td valign="top">strip image of all profiles and comments</td>
1158   </tr>
1159
1160   <tr>
1161     <td valign="top"><a href="../www/command-line-options.html#stroke">-stroke <em class="option">color</em></a></td>
1162     <td valign="top">graphic primitive stroke color</td>
1163   </tr>
1164
1165   <tr>
1166     <td valign="top"><a href="../www/command-line-options.html#strokewidth">-strokewidth <em class="option">value</em></a></td>
1167     <td valign="top">graphic primitive stroke width</td>
1168   </tr>
1169
1170   <tr>
1171     <td valign="top"><a href="../www/command-line-options.html#stretch">-stretch <em class="option">type</em></a></td>
1172     <td valign="top">render text with this font stretch</td>
1173   </tr>
1174
1175   <tr>
1176     <td valign="top"><a href="../www/command-line-options.html#style">-style <em class="option">type</em></a></td>
1177     <td valign="top">render text with this font style</td>
1178   </tr>
1179
1180   <tr>
1181     <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
1182     <td valign="top">swap two images in the image sequence</td>
1183   </tr>
1184
1185   <tr>
1186     <td valign="top"><a href="../www/command-line-options.html#swirl">-swirl <em class="option">degrees</em></a></td>
1187     <td valign="top">swirl image pixels about the center</td>
1188   </tr>
1189
1190   <tr>
1191     <td valign="top"><a href="../www/command-line-options.html#synchronize">-synchronize</a></td>
1192     <td valign="top">synchronize image to storage device</td>
1193   </tr>
1194
1195   <tr>
1196     <td valign="top"><a href="../www/command-line-options.html#texture">-texture <em class="option">filename</em></a></td>
1197     <td valign="top">name of texture to tile onto the image background</td>
1198   </tr>
1199
1200   <tr>
1201     <td valign="top"><a href="../www/command-line-options.html#threshold">-threshold <em class="option">value</em></a></td>
1202     <td valign="top">threshold the image</td>
1203   </tr>
1204
1205   <tr>
1206     <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
1207     <td valign="top">create a thumbnail of the image</td>
1208   </tr>
1209
1210   <tr>
1211     <td valign="top"><a href="../www/command-line-options.html#tile">-tile <em class="option">filename</em></a></td>
1212     <td valign="top">tile image when filling a graphic primitive</td>
1213   </tr>
1214
1215   <tr>
1216     <td valign="top"><a href="../www/command-line-options.html#tile-offset">-tile-offset <em class="option">geometry</em></a></td>
1217     <td valign="top">set the image tile offset</td>
1218   </tr>
1219
1220   <tr>
1221     <td valign="top"><a href="../www/command-line-options.html#tint">-tint <em class="option">value</em></a></td>
1222     <td valign="top">tint the image with the fill color</td>
1223   </tr>
1224
1225   <tr>
1226     <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
1227     <td valign="top">affine transform image</td>
1228   </tr>
1229
1230   <tr>
1231     <td valign="top"><a href="../www/command-line-options.html#transparent">-transparent <em class="option">color</em></a></td>
1232     <td valign="top">make this color transparent within the image</td>
1233   </tr>
1234
1235   <tr>
1236     <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
1237     <td valign="top">transparent color</td>
1238   </tr>
1239
1240   <tr>
1241     <td valign="top"><a href="../www/command-line-options.html#transpose">-transpose</a></td>
1242     <td valign="top">flip image in the vertical direction and rotate 90 degrees</td>
1243   </tr>
1244
1245   <tr>
1246     <td valign="top"><a href="../www/command-line-options.html#transverse">-transverse</a></td>
1247     <td valign="top">flop image in the horizontal direction and rotate 270 degrees</td>
1248   </tr>
1249
1250   <tr>
1251     <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
1252     <td valign="top">color tree depth</td>
1253   </tr>
1254
1255   <tr>
1256     <td valign="top"><a href="../www/command-line-options.html#trim">-trim</a></td>
1257     <td valign="top">trim image edges</td>
1258   </tr>
1259
1260   <tr>
1261     <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
1262     <td valign="top">image type</td>
1263   </tr>
1264
1265   <tr>
1266     <td valign="top"><a href="../www/command-line-options.html#undercolor">-undercolor <em class="option">color</em></a></td>
1267     <td valign="top">annotation bounding box color</td>
1268   </tr>
1269
1270   <tr>
1271     <td valign="top"><a href="../www/command-line-options.html#unique-colors">-unique-colors</a></td>
1272     <td valign="top">discard all but one of any pixel color.</td>
1273   </tr>
1274
1275   <tr>
1276     <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
1277     <td valign="top">the units of image resolution</td>
1278   </tr>
1279
1280   <tr>
1281     <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
1282     <td valign="top">sharpen the image</td>
1283   </tr>
1284
1285   <tr>
1286     <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
1287     <td valign="top">print detailed information about the image</td>
1288   </tr>
1289
1290   <tr>
1291     <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
1292     <td valign="top">print version information</td>
1293   </tr>
1294
1295   <tr>
1296     <td valign="top"><a href="../www/command-line-options.html#view">-view</a></td>
1297     <td valign="top">FlashPix viewing transforms</td>
1298   </tr>
1299
1300   <tr>
1301     <td valign="top"><a href="../www/command-line-options.html#vignette">-vignette <em class="option">geometry</em></a></td>
1302     <td valign="top">soften the edges of the image in vignette style</td>
1303   </tr>
1304
1305   <tr>
1306     <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
1307     <td valign="top">access method for pixels outside the boundaries of the image</td>
1308   </tr>
1309
1310   <tr>
1311     <td valign="top"><a href="../www/command-line-options.html#wave">-wave <em class="option">geometry</em></a></td>
1312     <td valign="top">alter an image along a sine wave</td>
1313   </tr>
1314
1315   <tr>
1316     <td valign="top"><a href="../www/command-line-options.html#weight">-weight <em class="option">type</em></a></td>
1317     <td valign="top">render text with this font weight</td>
1318   </tr>
1319
1320   <tr>
1321     <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
1322     <td valign="top">chromaticity white point</td>
1323   </tr>
1324
1325   <tr>
1326     <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
1327     <td valign="top">force all pixels above the threshold into white</td>
1328   </tr>
1329
1330   <tr>
1331     <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
1332     <td valign="top">write images to this file</td>
1333   </tr>
1334
1335   </tbody>
1336 </table>
1337
1338 </div>
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