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 153 \r
 154 \r
 155 </div>\r
 156 \r
 157 <div class="main">\r
 158 \r
 159 <p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
 160
 161 <div class="doc-section">
 162 <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>
 163 </div>
 164
 165 <h2><a name="usage"></a>Example Usage</h2>
 166 <div class="doc-section">
 167
 168 <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
 169 rose:</p>
 170
 171 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 50% rose.jpg</span></p>
 172 <p class="image">
 173   <a href="../images/rose.jpg">
 174   <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
 175   </a>
 176   <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
 177   <a href="../images/rose.png">
 178   <img style="margin-top:12px; margin-bottom: 11px;" src="../images/rose.png" width="35" height="23" alt="rose" />
 179   </a>
 180 </p>
 181
 182 <p>You can resize all your JPEG images in a folder to a maximum dimension of 256x256 with this command:</p>
 183
 184 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 256x256 *.jpg</span></p>
 185 <p>Finally, we convert all our PNG images to the JPEG format:</p>
 186
 187 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -format jpg *.png</span></p>
 188 <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>
 189
 190
 191 <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>
 192
 193 </div>
 194
 195 <h2><a name="options"></a>Option Summary</h2>
 196 <div class="doc-section">
 197
 198 <p>The <kbd>mogrify</kbd> command recognizes these options.  Click on an option to get more details about how that option works.</p>
 199
 200 <table class="doc">
 201   <tbody>
 202   <tr>
 203     <th align="left">Option</th>
 204     <th align="left">Description</th>
 205   </tr>
 206
 207   <tr>
 208     <td valign="top"><a href="../www/command-line-options.html#adaptive-blur">-adaptive-blur <em class="option">geometry</em></a></td>
 209     <td valign="top">adaptively blur pixels; decrease effect near edges</td>
 210   </tr>
 211
 212   <tr>
 213     <td valign="top"><a href="../www/command-line-options.html#adaptive-resize">-adaptive-resize <em class="option">geometry</em></a></td>
 214     <td valign="top">adaptively resize image with data dependent triangulation.</td>
 215   </tr>
 216
 217   <tr>
 218     <td valign="top"><a href="../www/command-line-options.html#adaptive-sharpen">-adaptive-sharpen <em class="option">geometry</em></a></td>
 219     <td valign="top">adaptively sharpen pixels; increase effect near edges</td>
 220   </tr>
 221
 222   <tr>
 223     <td valign="top"><a href="../www/command-line-options.html#adjoin">-adjoin</a></td>
 224     <td valign="top">join images into a single multi-image file</td>
 225   </tr>
 226
 227   <tr>
 228     <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
 229     <td valign="top">affine transform matrix</td>
 230   </tr>
 231
 232   <tr>
 233     <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
 234     <td valign="top">on, activate, off, deactivate, set, opaque, copy",
 235 transparent, extract, background, or shape the alpha channel</td>
 236   </tr>
 237
 238   <tr>
 239     <td valign="top"><a href="../www/command-line-options.html#annotate">-annotate <em class="option">geometry text</em></a></td>
 240     <td valign="top">annotate the image with text</td>
 241   </tr>
 242
 243   <tr>
 244     <td valign="top"><a href="../www/command-line-options.html#antialias">-antialias</a></td>
 245     <td valign="top">remove pixel-aliasing</td>
 246   </tr>
 247
 248   <tr>
 249     <td valign="top"><a href="../www/command-line-options.html#append">-append</a></td>
 250     <td valign="top">append an image sequence</td>
 251   </tr>
 252
 253   <tr>
 254     <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
 255     <td valign="top">decipher image with this password</td>
 256   </tr>
 257
 258   <tr>
 259     <td valign="top"><a href="../www/command-line-options.html#auto-gamma">-auto-gamma</a></td>
 260     <td valign="top">automagically adjust gamma level of image</td>
 261   </tr>
 262
 263   <tr>
 264     <td valign="top"><a href="../www/command-line-options.html#auto-level">-auto-level</a></td>
 265     <td valign="top">automagically adjust color levels of image</td>
 266   </tr>
 267
 268   <tr>
 269     <td valign="top"><a href="../www/command-line-options.html#auto-orient">-auto-orient</a></td>
 270     <td valign="top">automagically orient image</td>
 271   </tr>
 272
 273   <tr>
 274     <td valign="top"><a href="../www/command-line-options.html#average">-average</a></td>
 275     <td valign="top">average an image sequence</td>
 276   </tr>
 277
 278   <tr>
 279     <td valign="top"><a href="../www/command-line-options.html#background">-background <em class="option">color</em></a></td>
 280     <td valign="top">background color</td>
 281   </tr>
 282
 283   <tr>
 284     <td valign="top"><a href="../www/command-line-options.html#bench">-bench <em class="option">iterations</em></a></td>
 285     <td valign="top">measure performance</td>
 286   </tr>
 287
 288   <tr>
 289     <td valign="top"><a href="../www/command-line-options.html#bias">-bias <em class="option">value</em></a></td>
 290     <td valign="top">add bias when convolving an image</td>
 291   </tr>
 292
 293   <tr>
 294     <td valign="top"><a href="../www/command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td>
 295     <td valign="top">force all pixels below the threshold into black</td>
 296   </tr>
 297
 298   <tr>
 299     <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
 300     <td valign="top">chromaticity blue primary point</td>
 301   </tr>
 302
 303   <tr>
 304     <td valign="top"><a href="../www/command-line-options.html#blue-shift">-blue-shift  <em class="option">factor</em></a></td>
 305     <td valign="top">simulate a scene at nighttime in the moonlight</td>
 306   </tr>
 307
 308   <tr>
 309     <td valign="top"><a href="../www/command-line-options.html#blur">-blur <em class="option">geometry</em></a></td>
 310     <td valign="top">reduce image noise and reduce detail levels</td>
 311   </tr>
 312
 313   <tr>
 314     <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
 315     <td valign="top">surround image with a border of color</td>
 316   </tr>
 317
 318   <tr>
 319     <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
 320     <td valign="top">border color</td>
 321   </tr>
 322
 323   <tr>
 324     <td valign="top"><a href="../www/command-line-options.html#caption">-caption <em class="option">string</em></a></td>
 325     <td valign="top">assign a caption to an image</td>
 326   </tr>
 327
 328   <tr>
 329     <td valign="top"><a href="../www/command-line-options.html#cdl">-cdl <em class="option">filename</em></a></td>
 330     <td valign="top">color correct with a color decision list</td>
 331   </tr>
 332
 333   <tr>
 334     <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
 335     <td valign="top">apply option to select image channels</td>
 336   </tr>
 337
 338   <tr>
 339     <td valign="top"><a href="../www/command-line-options.html#charcoal">-charcoal <em class="option">radius</em></a></td>
 340     <td valign="top">simulate a charcoal drawing</td>
 341   </tr>
 342
 343   <tr>
 344     <td valign="top"><a href="../www/command-line-options.html#chop">-chop <em class="option">geometry</em></a></td>
 345     <td valign="top">remove pixels from the image interior</td>
 346   </tr>
 347
 348   <tr>
 349     <td valign="top"><a href="../www/command-line-options.html#clip">-clip</a></td>
 350     <td valign="top">clip along the first path from the 8BIM profile</td>
 351   </tr>
 352
 353   <tr>
 354     <td valign="top"><a href="../www/command-line-options.html#clamp">-clamp</a></td>
 355     <td valign="top">restrict colors from 0 to the quantum depth</td>
 356   </tr>
 357
 358   <tr>
 359     <td valign="top"><a href="../www/command-line-options.html#clip-mask">-clip-mask</a> <em class="option">filename</em></td>
 360     <td valign="top">associate clip mask with the image</td>
 361   </tr>
 362
 363   <tr>
 364     <td valign="top"><a href="../www/command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td>
 365     <td valign="top">clip along a named path from the 8BIM profile</td>
 366   </tr>
 367
 368   <tr>
 369     <td valign="top"><a href="../www/command-line-options.html#clone">-clone <em class="option">index</em></a></td>
 370     <td valign="top">clone an image</td>
 371   </tr>
 372
 373   <tr>
 374     <td valign="top"><a href="../www/command-line-options.html#clut">-clut</a></td>
 375     <td valign="top">apply a color lookup table to the image</td>
 376   </tr>
 377
 378   <tr>
 379     <td valign="top"><a href="../www/command-line-options.html#contrast-stretch">-contrast-stretch <em class="option">geometry</em></a></td>
 380     <td valign="top">improve the contrast in an image by `stretching' the range of intensity value</td>
 381   </tr>
 382
 383   <tr>
 384     <td valign="top"><a href="../www/command-line-options.html#coalesce">-coalesce</a></td>
 385     <td valign="top">merge a sequence of images</td>
 386   </tr>
 387
 388   <tr>
 389     <td valign="top"><a href="../www/command-line-options.html#colorize">-colorize <em class="option">value</em></a></td>
 390     <td valign="top">colorize the image with the fill color</td>
 391   </tr>
 392
 393   <tr>
 394     <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
 395     <td valign="top">preferred number of colors in the image</td>
 396   </tr>
 397
 398   <tr>
 399     <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
 400     <td valign="top">set image colorspace</td>
 401   </tr>
 402
 403   <tr>
 404     <td valign="top"><a href="../www/command-line-options.html#combine">-combine</a></td>
 405     <td valign="top">combine a sequence of images</td>
 406   </tr>
 407
 408   <tr>
 409     <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
 410     <td valign="top">annotate image with comment</td>
 411   </tr>
 412
 413   <tr>
 414     <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
 415     <td valign="top">set image composite operator</td>
 416   </tr>
 417
 418   <tr>
 419     <td valign="top"><a href="../www/command-line-options.html#composite">-composite</a></td>
 420     <td valign="top">composite image</td>
 421   </tr>
 422
 423   <tr>
 424     <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
 425     <td valign="top">image compression type</td>
 426   </tr>
 427
 428   <tr>
 429     <td valign="top"><a href="../www/command-line-options.html#contrast">-contrast</a></td>
 430     <td valign="top">enhance or reduce the image contrast</td>
 431   </tr>
 432
 433   <tr>
 434     <td valign="top"><a href="../www/command-line-options.html#convolve">-convolve <em class="option">coefficients</em></a></td>
 435     <td valign="top">apply a convolution kernel to the image</td>
 436   </tr>
 437
 438   <tr>
 439     <td valign="top"><a href="../www/command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
 440     <td valign="top">crop the image</td>
 441   </tr>
 442
 443   <tr>
 444     <td valign="top"><a href="../www/command-line-options.html#cycle">-cycle <em class="option">amount</em></a></td>
 445     <td valign="top">cycle the image colormap</td>
 446   </tr>
 447
 448   <tr>
 449     <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
 450     <td valign="top">convert cipher pixels to plain</td>
 451   </tr>
 452
 453   <tr>
 454     <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
 455     <td valign="top">display copious debugging information</td>
 456   </tr>
 457
 458   <tr>
 459     <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
 460     <td valign="top">define one or more image format options</td>
 461   </tr>
 462
 463   <tr>
 464     <td valign="top"><a href="../www/command-line-options.html#deconstruct">-deconstruct</a></td>
 465     <td valign="top">break down an image sequence into constituent parts</td>
 466   </tr>
 467
 468   <tr>
 469     <td valign="top"><a href="../www/command-line-options.html#delay">-delay <em class="option">value</em></a></td>
 470     <td valign="top">display the next image after pausing</td>
 471   </tr>
 472
 473   <tr>
 474     <td valign="top"><a href="../www/command-line-options.html#delete">-delete <em class="option">index</em></a></td>
 475     <td valign="top">delete the image from the image sequence</td>
 476   </tr>
 477
 478   <tr>
 479     <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
 480     <td valign="top">horizontal and vertical density of the image</td>
 481   </tr>
 482
 483   <tr>
 484     <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
 485     <td valign="top">image depth</td>
 486   </tr>
 487
 488   <tr>
 489     <td valign="top"><a href="../www/command-line-options.html#despeckle">-despeckle</a></td>
 490     <td valign="top">reduce the speckles within an image</td>
 491   </tr>
 492
 493   <tr>
 494     <td valign="top"><a href="../www/command-line-options.html#display">-display <em class="option">server</em></a></td>
 495     <td valign="top">get image or font from this X server</td>
 496   </tr>
 497
 498   <tr>
 499     <td valign="top"><a href="../www/command-line-options.html#dispose">-dispose <em class="option">method</em></a></td>
 500     <td valign="top">layer disposal method</td>
 501   </tr>
 502
 503   <tr>
 504     <td valign="top"><a href="../www/command-line-options.html#distort">-distort <em class="option">type coefficients</em></a></td>
 505     <td valign="top">distort image</td>
 506   </tr>
 507
 508   <tr>
 509     <td valign="top"><a href="../www/command-line-options.html#dither">-dither  <em class="option">method</em></a></td>
 510     <td valign="top">apply error diffusion to image</td>
 511   </tr>
 512
 513   <tr>
 514     <td valign="top"><a href="../www/command-line-options.html#draw">-draw <em class="option">string</em></a></td>
 515     <td valign="top">annotate the image with a graphic primitive</td>
 516   </tr>
 517
 518   <tr>
 519     <td valign="top"><a href="../www/command-line-options.html#edge">-edge <em class="option">radius</em></a></td>
 520     <td valign="top">apply a filter to detect edges in the image</td>
 521   </tr>
 522
 523   <tr>
 524     <td valign="top"><a href="../www/command-line-options.html#emboss">-emboss <em class="option">radius</em></a></td>
 525     <td valign="top">emboss an image</td>
 526   </tr>
 527
 528   <tr>
 529     <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
 530     <td valign="top">convert plain pixels to cipher pixels</td>
 531   </tr>
 532
 533   <tr>
 534     <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
 535     <td valign="top">text encoding type</td>
 536   </tr>
 537
 538   <tr>
 539     <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
 540     <td valign="top">endianness (MSB or LSB) of the image</td>
 541   </tr>
 542
 543   <tr>
 544     <td valign="top"><a href="../www/command-line-options.html#enhance">-enhance</a></td>
 545     <td valign="top">apply a digital filter to enhance a noisy image</td>
 546   </tr>
 547
 548   <tr>
 549     <td valign="top"><a href="../www/command-line-options.html#equalize">-equalize</a></td>
 550     <td valign="top">perform histogram equalization to an image</td>
 551   </tr>
 552
 553   <tr>
 554     <td valign="top"><a href="../www/command-line-options.html#evaluate">-evaluate <em class="option">operator value</em></a></td>
 555     <td valign="top">evaluate an arithmetic, relational, or logical expression</td>
 556   </tr>
 557
 558   <tr>
 559     <td valign="top"><a href="../www/command-line-options.html#extent">-extent <em class="option">geometry</em></a></td>
 560     <td valign="top">set the image size</td>
 561   </tr>
 562
 563   <tr>
 564     <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
 565     <td valign="top">extract area from image</td>
 566   </tr>
 567
 568   <tr>
 569     <td valign="top"><a href="../www/command-line-options.html#family">-family <em class="option">name</em></a></td>
 570     <td valign="top">render text with this font family</td>
 571   </tr>
 572
 573   <tr>
 574     <td valign="top"><a href="../www/command-line-options.html#fft">-fft</a></td>
 575     <td valign="top">implements the discrete Fourier transform (DFT)</td>
 576   </tr>
 577
 578   <tr>
 579     <td valign="top"><a href="../www/command-line-options.html#fill">-fill <em class="option">color</em></a></td>
 580     <td valign="top">color to use when filling a graphic primitive</td>
 581   </tr>
 582
 583   <tr>
 584     <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
 585     <td valign="top">use this filter when resizing an image</td>
 586   </tr>
 587
 588   <tr>
 589     <td valign="top"><a href="../www/command-line-options.html#flatten">-flatten</a></td>
 590     <td valign="top">flatten a sequence of images</td>
 591   </tr>
 592
 593   <tr>
 594     <td valign="top"><a href="../www/command-line-options.html#flip">-flip</a></td>
 595     <td valign="top">flip image in the vertical direction</td>
 596   </tr>
 597
 598   <tr>
 599     <td valign="top"><a href="../www/command-line-options.html#floodfill">-floodfill <em class="option">geometry color</em></a></td>
 600     <td valign="top">floodfill the image with color</td>
 601   </tr>
 602
 603   <tr>
 604     <td valign="top"><a href="../www/command-line-options.html#flop">-flop</a></td>
 605     <td valign="top">flop image in the horizontal direction</td>
 606   </tr>
 607
 608   <tr>
 609     <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
 610     <td valign="top">render text with this font</td>
 611   </tr>
 612
 613   <tr>
 614     <td valign="top"><a href="../www/command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
 615     <td valign="top">output formatted image characteristics</td>
 616   </tr>
 617
 618   <tr>
 619     <td valign="top"><a href="../www/command-line-options.html#frame">-frame <em class="option">geometry</em></a></td>
 620     <td valign="top">surround image with an ornamental border</td>
 621   </tr>
 622
 623   <tr>
 624     <td valign="top"><a href="../www/command-line-options.html#function">-function <em class="option">name</em></a></td>
 625     <td valign="top">apply a function to the image</td>
 626   </tr>
 627
 628   <tr>
 629     <td valign="top"><a href="../www/command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td>
 630     <td valign="top">colors within this distance are considered equal</td>
 631   </tr>
 632
 633   <tr>
 634     <td valign="top"><a href="../www/command-line-options.html#fx">-fx <em class="option">expression</em></a></td>
 635     <td valign="top">apply mathematical expression to an image channel(s)</td>
 636   </tr>
 637
 638   <tr>
 639     <td valign="top"><a href="../www/command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
 640     <td valign="top">level of gamma correction</td>
 641   </tr>
 642
 643   <tr>
 644     <td valign="top"><a href="../www/command-line-options.html#gaussian-blur">-gaussian-blur <em class="option">geometry</em></a></td>
 645     <td valign="top">reduce image noise and reduce detail levels</td>
 646   </tr>
 647
 648   <tr>
 649     <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
 650     <td valign="top">preferred size or location of the image</td>
 651   </tr>
 652
 653   <tr>
 654     <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
 655     <td valign="top">horizontal and vertical text placement</td>
 656   </tr>
 657
 658   <tr>
 659     <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
 660     <td valign="top">chromaticity green primary point</td>
 661   </tr>
 662
 663   <tr>
 664     <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
 665     <td valign="top">print program options</td>
 666   </tr>
 667
 668   <tr>
 669     <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
 670     <td valign="top">identify the format and characteristics of the image</td>
 671   </tr>
 672
 673   <tr>
 674     <td valign="top"><a href="../www/command-line-options.html#ift">-ifft</a></td>
 675     <td valign="top">implements the inverse discrete Fourier transform (DFT)</td>
 676   </tr>
 677
 678   <tr>
 679     <td valign="top"><a href="../www/command-line-options.html#implode">-implode <em class="option">amount</em></a></td>
 680     <td valign="top">implode image pixels about the center</td>
 681   </tr>
 682
 683   <tr>
 684     <td valign="top"><a href="../www/command-line-options.html#insert">-insert <em class="option">index</em></a></td>
 685     <td valign="top">insert last image into the image sequence</td>
 686   </tr>
 687
 688   <tr>
 689     <td valign="top"><a href="../www/command-line-options.html#intent">-intent <em class="option">type</em></a></td>
 690     <td valign="top">type of rendering intent when managing the image color</td>
 691   </tr>
 692
 693   <tr>
 694     <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
 695     <td valign="top">type of image interlacing scheme</td>
 696   </tr>
 697
 698   <tr>
 699     <td valign="top"><a href="../www/command-line-options.html#interline-spacing">-interline-spacing <em class="option">value</em></a></td>
 700     <td valign="top">the space between two text lines</td>
 701   </tr>
 702
 703   <tr>
 704     <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
 705     <td valign="top">pixel color interpolation method</td>
 706   </tr>
 707
 708   <tr>
 709     <td valign="top"><a href="../www/command-line-options.html#interword-spacing">-interword-spacing <em class="option">value</em></a></td>
 710     <td valign="top">the space between two words</td>
 711   </tr>
 712
 713   <tr>
 714     <td valign="top"><a href="../www/command-line-options.html#kerning">-kerning <em class="option">value</em></a></td>
 715     <td valign="top">the space between two characters</td>
 716   </tr>
 717
 718   <tr>
 719     <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
 720     <td valign="top">assign a label to an image</td>
 721   </tr>
 722
 723   <tr>
 724     <td valign="top"><a href="../www/command-line-options.html#lat">-lat <em class="option">geometry</em></a></td>
 725     <td valign="top">local adaptive thresholding</td>
 726   </tr>
 727
 728   <tr>
 729     <td valign="top"><a href="../www/command-line-options.html#layers">-layers <em class="option">method</em></a></td>
 730     <td valign="top">optimize or compare image layers</td>
 731   </tr>
 732
 733   <tr>
 734     <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
 735     <td valign="top">adjust the level of image contrast</td>
 736   </tr>
 737
 738   <tr>
 739     <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
 740     <td valign="top">pixel cache resource limit</td>
 741   </tr>
 742
 743   <tr>
 744     <td valign="top"><a href="../www/command-line-options.html#linear-stretch">-linear-stretch <em class="option">geometry</em></a></td>
 745     <td valign="top">linear with saturation histogram stretch</td>
 746   </tr>
 747
 748   <tr>
 749     <td valign="top"><a href="../www/command-line-options.html#liquid-rescale">-liquid-rescale <em class="option">geometry</em></a></td>
 750     <td valign="top">rescale image with seam-carving</td>
 751   </tr>
 752
 753   <tr>
 754     <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
 755     <td valign="top">format of debugging information</td>
 756   </tr>
 757
 758   <tr>
 759     <td valign="top"><a href="../www/command-line-options.html#loop">-loop <em class="option">iterations</em></a></td>
 760     <td valign="top">add Netscape loop extension to your GIF animation</td>
 761   </tr>
 762
 763   <tr>
 764     <td valign="top"><a href="../www/command-line-options.html#mask">-mask <em class="option">filename</em></a></td>
 765     <td valign="top">associate a mask with the image</td>
 766   </tr>
 767
 768   <tr>
 769     <td valign="top"><a href="../www/command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td>
 770     <td valign="top">frame color</td>
 771   </tr>
 772
 773   <tr>
 774     <td valign="top"><a href="../www/command-line-options.html#median">-median <em class="option">radius</em></a></td>
 775     <td valign="top">apply a median filter to the image</td>
 776   </tr>
 777
 778   <tr>
 779     <td valign="top"><a href="../www/command-line-options.html#modulate">-modulate <em class="option">value</em></a></td>
 780     <td valign="top">vary the brightness, saturation, and hue</td>
 781   </tr>
 782
 783   <tr>
 784     <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
 785     <td valign="top">monitor progress</td>
 786   </tr>
 787
 788   <tr>
 789     <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
 790     <td valign="top">transform image to black and white</td>
 791   </tr>
 792
 793   <tr>
 794     <td valign="top"><a href="../www/command-line-options.html#morph">-morph <em class="option">value</em></a></td>
 795     <td valign="top">morph an image sequence</td>
 796   </tr>
 797
 798   <tr>
 799     <td valign="top"><a href="../www/command-line-options.html#motion-blur">-motion-blur <em class="option">geometry</em></a></td>
 800     <td valign="top">simulate motion blur</td>
 801   </tr>
 802
 803   <tr>
 804     <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
 805     <td valign="top">replace every pixel with its complementary color </td>
 806   </tr>
 807
 808   <tr>
 809     <td valign="top"><a href="../www/command-line-options.html#noise">-noise <em class="option">radius</em></a></td>
 810     <td valign="top">add or reduce noise in an image</td>
 811   </tr>
 812
 813   <tr>
 814     <td valign="top"><a href="../www/command-line-options.html#normalize">-normalize</a></td>
 815     <td valign="top">transform image to span the full range of colors</td>
 816   </tr>
 817
 818   <tr>
 819     <td valign="top"><a href="../www/command-line-options.html#opaque">-opaque <em class="option">color</em></a></td>
 820     <td valign="top">change this color to the fill color</td>
 821   </tr>
 822
 823   <tr>
 824     <td valign="top"><a href="../www/command-line-options.html#ordered-dither">-ordered-dither <em class="option">NxN</em></a></td>
 825     <td valign="top">ordered dither the image</td>
 826   </tr>
 827
 828   <tr>
 829     <td valign="top"><a href="../www/command-line-options.html#orient">-orient <em class="option">type</em></a></td>
 830     <td valign="top">image orientation</td>
 831   </tr>
 832
 833   <tr>
 834     <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
 835     <td valign="top">size and location of an image canvas (setting)</td>
 836   </tr>
 837
 838   <tr>
 839     <td valign="top"><a href="../www/command-line-options.html#paint">-paint <em class="option">radius</em></a></td>
 840     <td valign="top">simulate an oil painting</td>
 841   </tr>
 842
 843   <tr>
 844     <td valign="top"><a href="../www/command-line-options.html#ping">-ping</a></td>
 845     <td valign="top">efficiently determine image attributes</td>
 846   </tr>
 847
 848   <tr>
 849     <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
 850     <td valign="top">font point size</td>
 851   </tr>
 852
 853   <tr>
 854     <td valign="top"><a href="../www/command-line-options.html#polaroid">-polaroid <em class="option">angle</em></a></td>
 855     <td valign="top">simulate a Polaroid picture</td>
 856   </tr>
 857
 858   <tr>
 859     <td valign="top"><a href="../www/command-line-options.html#posterize">-posterize <em class="option">levels</em></a></td>
 860     <td valign="top">reduce the image to a limited number of color levels</td>
 861   </tr>
 862
 863   <tr>
 864     <td valign="top"><a href="../www/command-line-options.html#preview">-preview <em class="option">type</em></a></td>
 865     <td valign="top">image preview type</td>
 866   </tr>
 867
 868   <tr>
 869     <td valign="top"><a href="../www/command-line-options.html#print">-print <em class="option">string</em></a></td>
 870     <td valign="top">interpret string and print to console</td>
 871   </tr>
 872
 873   <tr>
 874     <td valign="top"><a href="../www/command-line-options.html#process">-process <em class="option">image-filter</em></a></td>
 875     <td valign="top">process the image with a custom image filter</td>
 876   </tr>
 877
 878   <tr>
 879     <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
 880     <td valign="top">add, delete, or apply an image profile</td>
 881   </tr>
 882
 883   <tr>
 884     <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
 885     <td valign="top">JPEG/MIFF/PNG compression level</td>
 886   </tr>
 887
 888   <tr>
 889     <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
 890     <td valign="top">reduce image colors in this colorspace</td>
 891   </tr>
 892
 893   <tr>
 894     <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
 895     <td valign="top">suppress all warning messages</td>
 896   </tr>
 897
 898   <tr>
 899     <td valign="top"><a href="../www/command-line-options.html#radial-blur">-radial-blur <em class="option">angle</em></a></td>
 900     <td valign="top">radial blur the image</td>
 901   </tr>
 902
 903   <tr>
 904     <td valign="top"><a href="../www/command-line-options.html#raise">-raise <em class="option">value</em></a></td>
 905     <td valign="top">lighten/darken image edges to create a 3-D effect</td>
 906   </tr>
 907
 908   <tr>
 909     <td valign="top"><a href="../www/command-line-options.html#random-threshold">-random-threshold <em class="option">low,high</em></a></td>
 910     <td valign="top">random threshold the image</td>
 911   </tr>
 912
 913   <tr>
 914     <td valign="top"><a href="../www/command-line-options.html#recolor">-recolor <em class="option">matrix</em></a></td>
 915     <td valign="top">translate, scale, shear, or rotate image colors.</td>
 916   </tr>
 917
 918   <tr>
 919     <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
 920     <td valign="top">chromaticity red primary point</td>
 921   </tr>
 922
 923   <tr>
 924     <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
 925     <td valign="top">pay attention to warning messages.</td>
 926   </tr>
 927
 928   <tr>
 929     <td valign="top"><a href="../www/command-line-options.html#region">-region <em class="option">geometry</em></a></td>
 930     <td valign="top">apply options to a portion of the image</td>
 931   </tr>
 932
 933   <tr>
 934     <td valign="top"><a href="../www/command-line-options.html#remap">-remap <em class="option">filename</em></a></td>
 935     <td valign="top">transform image colors to match this set of colors</td>
 936   </tr>
 937
 938   <tr>
 939     <td valign="top"><a href="../www/command-line-options.html#render">-render</a></td>
 940     <td valign="top">render vector graphics</td>
 941   </tr>
 942
 943   <tr>
 944     <td valign="top"><a href="../www/command-line-options.html#repage">-repage <em class="option">geometry</em></a></td>
 945     <td valign="top">size and location of an image canvas</td>
 946   </tr>
 947
 948   <tr>
 949     <td valign="top"><a href="../www/command-line-options.html#resample">-resample <em class="option">geometry</em></a></td>
 950     <td valign="top">change the resolution of an image</td>
 951   </tr>
 952
 953   <tr>
 954     <td valign="top"><a href="../www/command-line-options.html#resize">-resize <em class="option">geometry</em></a></td>
 955     <td valign="top">resize the image</td>
 956   </tr>
 957
 958   <tr>
 959     <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
 960     <td valign="top">settings remain in effect until parenthesis boundary.</td>
 961   </tr>
 962
 963   <tr>
 964     <td valign="top"><a href="../www/command-line-options.html#roll">-roll <em class="option">geometry</em></a></td>
 965     <td valign="top">roll an image vertically or horizontally</td>
 966   </tr>
 967
 968   <tr>
 969     <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
 970     <td valign="top">apply Paeth rotation to the image</td>
 971   </tr>
 972
 973   <tr>
 974     <td valign="top"><a href="../www/command-line-options.html#sample">-sample <em class="option">geometry</em></a></td>
 975     <td valign="top">scale image with pixel sampling</td>
 976   </tr>
 977
 978   <tr>
 979     <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
 980     <td valign="top">horizontal and vertical sampling factor</td>
 981   </tr>
 982
 983   <tr>
 984     <td valign="top"><a href="../www/command-line-options.html#scale">-scale <em class="option">geometry</em></a></td>
 985     <td valign="top">scale the image</td>
 986   </tr>
 987
 988   <tr>
 989     <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
 990     <td valign="top">image scene number</td>
 991   </tr>
 992
 993   <tr>
 994     <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
 995     <td valign="top">seed a new sequence of pseudo-random numbers</td>
 996   </tr>
 997
 998   <tr>
 999     <td valign="top"><a href="../www/command-line-options.html#segment">-segment <em class="option">values</em></a></td>
1000     <td valign="top">segment an image</td>
1001   </tr>
1002
1003   <tr>
1004     <td valign="top"><a href="../www/command-line-options.html#threshold">-selective-blur <em class="option">geometry</em></a></td>
1005     <td valign="top">selectively blur pixels within a contrast threshold</td>
1006   </tr>
1007
1008   <tr>
1009     <td valign="top"><a href="../www/command-line-options.html#separate">-separate</a></td>
1010     <td valign="top">separate an image channel into a grayscale image</td>
1011   </tr>
1012
1013   <tr>
1014     <td valign="top"><a href="../www/command-line-options.html#sepia-tone">-sepia-tone <em class="option">threshold</em></a></td>
1015     <td valign="top">simulate a sepia-toned photo</td>
1016   </tr>
1017
1018   <tr>
1019     <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
1020     <td valign="top">set an image attribute</td>
1021   </tr>
1022
1023   <tr>
1024     <td valign="top"><a href="../www/command-line-options.html#shade">-shade <em class="option">degrees</em></a></td>
1025     <td valign="top">shade the image using a distant light source</td>
1026   </tr>
1027
1028   <tr>
1029     <td valign="top"><a href="../www/command-line-options.html#shadow">-shadow <em class="option">geometry</em></a></td>
1030     <td valign="top">simulate an image shadow</td>
1031   </tr>
1032
1033   <tr>
1034     <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
1035     <td valign="top">sharpen the image</td>
1036   </tr>
1037
1038   <tr>
1039     <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
1040     <td valign="top">shave pixels from the image edges</td>
1041   </tr>
1042
1043   <tr>
1044     <td valign="top"><a href="../www/command-line-options.html#shear">-shear <em class="option">geometry</em></a></td>
1045     <td valign="top">slide one edge of the image along the X or Y axis</td>
1046   </tr>
1047
1048   <tr>
1049     <td valign="top"><a href="../www/command-line-options.html#sigmoidal">-sigmoidal-contrast <em class="option">geometry</em></a></td>
1050     <td valign="top">increase the contrast without saturating highlights or shadows</td>
1051   </tr>
1052
1053   <tr>
1054     <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
1055     <td valign="top">width and height of image</td>
1056   </tr>
1057
1058   <tr>
1059     <td valign="top"><a href="../www/command-line-options.html#sketch">-sketch <em class="option">geometry</em></a></td>
1060     <td valign="top">simulate a pencil sketch</td>
1061   </tr>
1062
1063   <tr>
1064     <td valign="top"><a href="../www/command-line-options.html#solarize">-solarize <em class="option">threshold</em></a></td>
1065     <td valign="top">negate all pixels above the threshold level</td>
1066   </tr>
1067
1068   <tr>
1069     <td valign="top"><a href="../www/command-line-options.html#splice">-splice <em class="option">geometry</em></a></td>
1070     <td valign="top">splice the background color into the image</td>
1071   </tr>
1072
1073   <tr>
1074     <td valign="top"><a href="../www/command-line-options.html#spread">-spread <em class="option">radius</em></a></td>
1075     <td valign="top">displace image pixels by a random amount</td>
1076   </tr>
1077
1078   <tr>
1079     <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
1080     <td valign="top">strip image of all profiles and comments</td>
1081   </tr>
1082
1083   <tr>
1084     <td valign="top"><a href="../www/command-line-options.html#stroke">-stroke <em class="option">color</em></a></td>
1085     <td valign="top">graphic primitive stroke color</td>
1086   </tr>
1087
1088   <tr>
1089     <td valign="top"><a href="../www/command-line-options.html#strokewidth">-strokewidth <em class="option">value</em></a></td>
1090     <td valign="top">graphic primitive stroke width</td>
1091   </tr>
1092
1093   <tr>
1094     <td valign="top"><a href="../www/command-line-options.html#stretch">-stretch <em class="option">type</em></a></td>
1095     <td valign="top">render text with this font stretch</td>
1096   </tr>
1097
1098   <tr>
1099     <td valign="top"><a href="../www/command-line-options.html#style">-style <em class="option">type</em></a></td>
1100     <td valign="top">render text with this font style</td>
1101   </tr>
1102
1103   <tr>
1104     <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
1105     <td valign="top">swap two images in the image sequence</td>
1106   </tr>
1107
1108   <tr>
1109     <td valign="top"><a href="../www/command-line-options.html#swirl">-swirl <em class="option">degrees</em></a></td>
1110     <td valign="top">swirl image pixels about the center</td>
1111   </tr>
1112
1113   <tr>
1114     <td valign="top"><a href="../www/command-line-options.html#texture">-texture <em class="option">filename</em></a></td>
1115     <td valign="top">name of texture to tile onto the image background</td>
1116   </tr>
1117
1118   <tr>
1119     <td valign="top"><a href="../www/command-line-options.html#threshold">-threshold <em class="option">value</em></a></td>
1120     <td valign="top">threshold the image</td>
1121   </tr>
1122
1123   <tr>
1124     <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
1125     <td valign="top">create a thumbnail of the image</td>
1126   </tr>
1127
1128   <tr>
1129     <td valign="top"><a href="../www/command-line-options.html#tile">-tile <em class="option">filename</em></a></td>
1130     <td valign="top">tile image when filling a graphic primitive</td>
1131   </tr>
1132
1133   <tr>
1134     <td valign="top"><a href="../www/command-line-options.html#tile-offset">-tile-offset <em class="option">geometry</em></a></td>
1135     <td valign="top">set the image tile offset</td>
1136   </tr>
1137
1138   <tr>
1139     <td valign="top"><a href="../www/command-line-options.html#tint">-tint <em class="option">value</em></a></td>
1140     <td valign="top">tint the image with the fill color</td>
1141   </tr>
1142
1143   <tr>
1144     <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
1145     <td valign="top">affine transform image</td>
1146   </tr>
1147
1148   <tr>
1149     <td valign="top"><a href="../www/command-line-options.html#transparent">-transparent <em class="option">color</em></a></td>
1150     <td valign="top">make this color transparent within the image</td>
1151   </tr>
1152
1153   <tr>
1154     <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
1155     <td valign="top">transparent color</td>
1156   </tr>
1157
1158   <tr>
1159     <td valign="top"><a href="../www/command-line-options.html#transpose">-transpose</a></td>
1160     <td valign="top">flip image in the vertical direction and rotate 90 degrees</td>
1161   </tr>
1162
1163   <tr>
1164     <td valign="top"><a href="../www/command-line-options.html#transverse">-transverse</a></td>
1165     <td valign="top">flop image in the horizontal direction and rotate 270 degrees</td>
1166   </tr>
1167
1168   <tr>
1169     <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
1170     <td valign="top">color tree depth</td>
1171   </tr>
1172
1173   <tr>
1174     <td valign="top"><a href="../www/command-line-options.html#trim">-trim</a></td>
1175     <td valign="top">trim image edges</td>
1176   </tr>
1177
1178   <tr>
1179     <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
1180     <td valign="top">image type</td>
1181   </tr>
1182
1183   <tr>
1184     <td valign="top"><a href="../www/command-line-options.html#undercolor">-undercolor <em class="option">color</em></a></td>
1185     <td valign="top">annotation bounding box color</td>
1186   </tr>
1187
1188   <tr>
1189     <td valign="top"><a href="../www/command-line-options.html#unique-colors">-unique-colors</a></td>
1190     <td valign="top">discard all but one of any pixel color.</td>
1191   </tr>
1192
1193   <tr>
1194     <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
1195     <td valign="top">the units of image resolution</td>
1196   </tr>
1197
1198   <tr>
1199     <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
1200     <td valign="top">sharpen the image</td>
1201   </tr>
1202
1203   <tr>
1204     <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
1205     <td valign="top">print detailed information about the image</td>
1206   </tr>
1207
1208   <tr>
1209     <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
1210     <td valign="top">print version information</td>
1211   </tr>
1212
1213   <tr>
1214     <td valign="top"><a href="../www/command-line-options.html#view">-view</a></td>
1215     <td valign="top">FlashPix viewing transforms</td>
1216   </tr>
1217
1218   <tr>
1219     <td valign="top"><a href="../www/command-line-options.html#vignette">-vignette <em class="option">geometry</em></a></td>
1220     <td valign="top">soften the edges of the image in vignette style</td>
1221   </tr>
1222
1223   <tr>
1224     <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
1225     <td valign="top">access method for pixels outside the boundaries of the image</td>
1226   </tr>
1227
1228   <tr>
1229     <td valign="top"><a href="../www/command-line-options.html#wave">-wave <em class="option">geometry</em></a></td>
1230     <td valign="top">alter an image along a sine wave</td>
1231   </tr>
1232
1233   <tr>
1234     <td valign="top"><a href="../www/command-line-options.html#weight">-weight <em class="option">type</em></a></td>
1235     <td valign="top">render text with this font weight</td>
1236   </tr>
1237
1238   <tr>
1239     <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
1240     <td valign="top">chromaticity white point</td>
1241   </tr>
1242
1243   <tr>
1244     <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
1245     <td valign="top">force all pixels above the threshold into white</td>
1246   </tr>
1247
1248   <tr>
1249     <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
1250     <td valign="top">write images to this file</td>
1251   </tr>
1252
1253   </tbody>
1254 </table>
1255
1256 </div>
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