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