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 150 \r
 151 \r
 152 </div>\r
 153 \r
 154 <div class="main">\r
 155 \r
 156 <p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
 157
 158 <div class="doc-section">
 159 <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>
 160 </div>
 161
 162 <h2><a name="usage"></a>Example Usage</h2>
 163 <div class="doc-section">
 164
 165 <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
 166 rose:</p>
 167
 168 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 50% rose.jpg</span></p>
 169 <p class="image">
 170   <a href="../images/rose.jpg">
 171   <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
 172   </a>
 173   <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
 174   <a href="../images/rose.png">
 175   <img style="margin-top:12px; margin-bottom: 11px;" src="../images/rose.png" width="35" height="23" alt="rose" />
 176   </a>
 177 </p>
 178
 179 <p>You can resize all your JPEG images in a folder to a maximum dimension of 256x256 with this command:</p>
 180
 181 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 256x256 *.jpg</span></p>
 182 <p>Finally, we convert all our PNG images to the JPEG format:</p>
 183
 184 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -format jpg *.png</span></p>
 185 <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>
 186
 187
 188 <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>
 189
 190 </div>
 191
 192 <h2><a name="options"></a>Option Summary</h2>
 193 <div class="doc-section">
 194
 195 <p>The <kbd>mogrify</kbd> command recognizes these options.  Click on an option to get more details about how that option works.</p>
 196
 197 <table class="doc">
 198   <tbody>
 199   <tr>
 200     <th align="left">Option</th>
 201     <th align="left">Description</th>
 202   </tr>
 203
 204   <tr>
 205     <td valign="top"><a href="../www/command-line-options.html#adaptive-blur">-adaptive-blur <em class="option">geometry</em></a></td>
 206     <td valign="top">adaptively blur pixels; decrease effect near edges</td>
 207   </tr>
 208
 209   <tr>
 210     <td valign="top"><a href="../www/command-line-options.html#adaptive-resize">-adaptive-resize <em class="option">geometry</em></a></td>
 211     <td valign="top">adaptively resize image with data dependent triangulation.</td>
 212   </tr>
 213
 214   <tr>
 215     <td valign="top"><a href="../www/command-line-options.html#adaptive-sharpen">-adaptive-sharpen <em class="option">geometry</em></a></td>
 216     <td valign="top">adaptively sharpen pixels; increase effect near edges</td>
 217   </tr>
 218
 219   <tr>
 220     <td valign="top"><a href="../www/command-line-options.html#adjoin">-adjoin</a></td>
 221     <td valign="top">join images into a single multi-image file</td>
 222   </tr>
 223
 224   <tr>
 225     <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
 226     <td valign="top">affine transform matrix</td>
 227   </tr>
 228
 229   <tr>
 230     <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
 231     <td valign="top">on, activate, off, deactivate, set, opaque, copy",
 232 transparent, extract, background, or shape the alpha channel</td>
 233   </tr>
 234
 235   <tr>
 236     <td valign="top"><a href="../www/command-line-options.html#annotate">-annotate <em class="option">geometry text</em></a></td>
 237     <td valign="top">annotate the image with text</td>
 238   </tr>
 239
 240   <tr>
 241     <td valign="top"><a href="../www/command-line-options.html#antialias">-antialias</a></td>
 242     <td valign="top">remove pixel-aliasing</td>
 243   </tr>
 244
 245   <tr>
 246     <td valign="top"><a href="../www/command-line-options.html#append">-append</a></td>
 247     <td valign="top">append an image sequence</td>
 248   </tr>
 249
 250   <tr>
 251     <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
 252     <td valign="top">decipher image with this password</td>
 253   </tr>
 254
 255   <tr>
 256     <td valign="top"><a href="../www/command-line-options.html#auto-gamma">-auto-gamma</a></td>
 257     <td valign="top">automagically adjust gamma level of image</td>
 258   </tr>
 259
 260   <tr>
 261     <td valign="top"><a href="../www/command-line-options.html#auto-level">-auto-level</a></td>
 262     <td valign="top">automagically adjust color levels of image</td>
 263   </tr>
 264
 265   <tr>
 266     <td valign="top"><a href="../www/command-line-options.html#auto-orient">-auto-orient</a></td>
 267     <td valign="top">automagically orient image</td>
 268   </tr>
 269
 270   <tr>
 271     <td valign="top"><a href="../www/command-line-options.html#average">-average</a></td>
 272     <td valign="top">average an image sequence</td>
 273   </tr>
 274
 275   <tr>
 276     <td valign="top"><a href="../www/command-line-options.html#background">-background <em class="option">color</em></a></td>
 277     <td valign="top">background color</td>
 278   </tr>
 279
 280   <tr>
 281     <td valign="top"><a href="../www/command-line-options.html#bench">-bench <em class="option">iterations</em></a></td>
 282     <td valign="top">measure performance</td>
 283   </tr>
 284
 285   <tr>
 286     <td valign="top"><a href="../www/command-line-options.html#bias">-bias <em class="option">value</em></a></td>
 287     <td valign="top">add bias when convolving an image</td>
 288   </tr>
 289
 290   <tr>
 291     <td valign="top"><a href="../www/command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td>
 292     <td valign="top">force all pixels below the threshold into black</td>
 293   </tr>
 294
 295   <tr>
 296     <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
 297     <td valign="top">chromaticity blue primary point</td>
 298   </tr>
 299
 300   <tr>
 301     <td valign="top"><a href="../www/command-line-options.html#blue-shift">-blue-shift  <em class="option">factor</em></a></td>
 302     <td valign="top">simulate a scene at nighttime in the moonlight</td>
 303   </tr>
 304
 305   <tr>
 306     <td valign="top"><a href="../www/command-line-options.html#blur">-blur <em class="option">geometry</em></a></td>
 307     <td valign="top">reduce image noise and reduce detail levels</td>
 308   </tr>
 309
 310   <tr>
 311     <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
 312     <td valign="top">surround image with a border of color</td>
 313   </tr>
 314
 315   <tr>
 316     <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
 317     <td valign="top">border color</td>
 318   </tr>
 319
 320   <tr>
 321     <td valign="top"><a href="../www/command-line-options.html#brightness-contrast">-brightness-contrast <em class="option">geometry</em></a></td>
 322     <td valign="top">improve brightness / contrast of the image</td>
 323   </tr>
 324
 325   <tr>
 326     <td valign="top"><a href="../www/command-line-options.html#caption">-caption <em class="option">string</em></a></td>
 327     <td valign="top">assign a caption to an image</td>
 328   </tr>
 329
 330   <tr>
 331     <td valign="top"><a href="../www/command-line-options.html#cdl">-cdl <em class="option">filename</em></a></td>
 332     <td valign="top">color correct with a color decision list</td>
 333   </tr>
 334
 335   <tr>
 336     <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
 337     <td valign="top">apply option to select image channels</td>
 338   </tr>
 339
 340   <tr>
 341     <td valign="top"><a href="../www/command-line-options.html#charcoal">-charcoal <em class="option">radius</em></a></td>
 342     <td valign="top">simulate a charcoal drawing</td>
 343   </tr>
 344
 345   <tr>
 346     <td valign="top"><a href="../www/command-line-options.html#chop">-chop <em class="option">geometry</em></a></td>
 347     <td valign="top">remove pixels from the image interior</td>
 348   </tr>
 349
 350   <tr>
 351     <td valign="top"><a href="../www/command-line-options.html#clip">-clip</a></td>
 352     <td valign="top">clip along the first path from the 8BIM profile</td>
 353   </tr>
 354
 355   <tr>
 356     <td valign="top"><a href="../www/command-line-options.html#clamp">-clamp</a></td>
 357     <td valign="top">restrict colors from 0 to the quantum depth</td>
 358   </tr>
 359
 360   <tr>
 361     <td valign="top"><a href="../www/command-line-options.html#clip-mask">-clip-mask</a> <em class="option">filename</em></td>
 362     <td valign="top">associate clip mask with the image</td>
 363   </tr>
 364
 365   <tr>
 366     <td valign="top"><a href="../www/command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td>
 367     <td valign="top">clip along a named path from the 8BIM profile</td>
 368   </tr>
 369
 370   <tr>
 371     <td valign="top"><a href="../www/command-line-options.html#clone">-clone <em class="option">index</em></a></td>
 372     <td valign="top">clone an image</td>
 373   </tr>
 374
 375   <tr>
 376     <td valign="top"><a href="../www/command-line-options.html#clut">-clut</a></td>
 377     <td valign="top">apply a color lookup table to the image</td>
 378   </tr>
 379
 380   <tr>
 381     <td valign="top"><a href="../www/command-line-options.html#contrast-stretch">-contrast-stretch <em class="option">geometry</em></a></td>
 382     <td valign="top">improve the contrast in an image by `stretching' the range of intensity value</td>
 383   </tr>
 384
 385   <tr>
 386     <td valign="top"><a href="../www/command-line-options.html#coalesce">-coalesce</a></td>
 387     <td valign="top">merge a sequence of images</td>
 388   </tr>
 389
 390   <tr>
 391     <td valign="top"><a href="../www/command-line-options.html#colorize">-colorize <em class="option">value</em></a></td>
 392     <td valign="top">colorize the image with the fill color</td>
 393   </tr>
 394
 395   <tr>
 396     <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
 397     <td valign="top">preferred number of colors in the image</td>
 398   </tr>
 399
 400   <tr>
 401     <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
 402     <td valign="top">set image colorspace</td>
 403   </tr>
 404
 405   <tr>
 406     <td valign="top"><a href="../www/command-line-options.html#combine">-combine</a></td>
 407     <td valign="top">combine a sequence of images</td>
 408   </tr>
 409
 410   <tr>
 411     <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
 412     <td valign="top">annotate image with comment</td>
 413   </tr>
 414
 415   <tr>
 416     <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
 417     <td valign="top">set image composite operator</td>
 418   </tr>
 419
 420   <tr>
 421     <td valign="top"><a href="../www/command-line-options.html#composite">-composite</a></td>
 422     <td valign="top">composite image</td>
 423   </tr>
 424
 425   <tr>
 426     <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
 427     <td valign="top">image compression type</td>
 428   </tr>
 429
 430   <tr>
 431     <td valign="top"><a href="../www/command-line-options.html#contrast">-contrast</a></td>
 432     <td valign="top">enhance or reduce the image contrast</td>
 433   </tr>
 434
 435   <tr>
 436     <td valign="top"><a href="../www/command-line-options.html#convolve">-convolve <em class="option">coefficients</em></a></td>
 437     <td valign="top">apply a convolution kernel to the image</td>
 438   </tr>
 439
 440   <tr>
 441     <td valign="top"><a href="../www/command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
 442     <td valign="top">crop the image</td>
 443   </tr>
 444
 445   <tr>
 446     <td valign="top"><a href="../www/command-line-options.html#cycle">-cycle <em class="option">amount</em></a></td>
 447     <td valign="top">cycle the image colormap</td>
 448   </tr>
 449
 450   <tr>
 451     <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
 452     <td valign="top">convert cipher pixels to plain</td>
 453   </tr>
 454
 455   <tr>
 456     <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
 457     <td valign="top">display copious debugging information</td>
 458   </tr>
 459
 460   <tr>
 461     <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
 462     <td valign="top">define one or more image format options</td>
 463   </tr>
 464
 465   <tr>
 466     <td valign="top"><a href="../www/command-line-options.html#deconstruct">-deconstruct</a></td>
 467     <td valign="top">break down an image sequence into constituent parts</td>
 468   </tr>
 469
 470   <tr>
 471     <td valign="top"><a href="../www/command-line-options.html#delay">-delay <em class="option">value</em></a></td>
 472     <td valign="top">display the next image after pausing</td>
 473   </tr>
 474
 475   <tr>
 476     <td valign="top"><a href="../www/command-line-options.html#delete">-delete <em class="option">index</em></a></td>
 477     <td valign="top">delete the image from the image sequence</td>
 478   </tr>
 479
 480   <tr>
 481     <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
 482     <td valign="top">horizontal and vertical density of the image</td>
 483   </tr>
 484
 485   <tr>
 486     <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
 487     <td valign="top">image depth</td>
 488   </tr>
 489
 490   <tr>
 491     <td valign="top"><a href="../www/command-line-options.html#despeckle">-despeckle</a></td>
 492     <td valign="top">reduce the speckles within an image</td>
 493   </tr>
 494
 495   <tr>
 496     <td valign="top"><a href="../www/command-line-options.html#display">-display <em class="option">server</em></a></td>
 497     <td valign="top">get image or font from this X server</td>
 498   </tr>
 499
 500   <tr>
 501     <td valign="top"><a href="../www/command-line-options.html#dispose">-dispose <em class="option">method</em></a></td>
 502     <td valign="top">layer disposal method</td>
 503   </tr>
 504
 505   <tr>
 506     <td valign="top"><a href="../www/command-line-options.html#distort">-distort <em class="option">type coefficients</em></a></td>
 507     <td valign="top">distort image</td>
 508   </tr>
 509
 510   <tr>
 511     <td valign="top"><a href="../www/command-line-options.html#dither">-dither  <em class="option">method</em></a></td>
 512     <td valign="top">apply error diffusion to image</td>
 513   </tr>
 514
 515   <tr>
 516     <td valign="top"><a href="../www/command-line-options.html#draw">-draw <em class="option">string</em></a></td>
 517     <td valign="top">annotate the image with a graphic primitive</td>
 518   </tr>
 519
 520   <tr>
 521     <td valign="top"><a href="../www/command-line-options.html#edge">-edge <em class="option">radius</em></a></td>
 522     <td valign="top">apply a filter to detect edges in the image</td>
 523   </tr>
 524
 525   <tr>
 526     <td valign="top"><a href="../www/command-line-options.html#emboss">-emboss <em class="option">radius</em></a></td>
 527     <td valign="top">emboss an image</td>
 528   </tr>
 529
 530   <tr>
 531     <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
 532     <td valign="top">convert plain pixels to cipher pixels</td>
 533   </tr>
 534
 535   <tr>
 536     <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
 537     <td valign="top">text encoding type</td>
 538   </tr>
 539
 540   <tr>
 541     <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
 542     <td valign="top">endianness (MSB or LSB) of the image</td>
 543   </tr>
 544
 545   <tr>
 546     <td valign="top"><a href="../www/command-line-options.html#enhance">-enhance</a></td>
 547     <td valign="top">apply a digital filter to enhance a noisy image</td>
 548   </tr>
 549
 550   <tr>
 551     <td valign="top"><a href="../www/command-line-options.html#equalize">-equalize</a></td>
 552     <td valign="top">perform histogram equalization to an image</td>
 553   </tr>
 554
 555   <tr>
 556     <td valign="top"><a href="../www/command-line-options.html#evaluate">-evaluate <em class="option">operator value</em></a></td>
 557     <td valign="top">evaluate an arithmetic, relational, or logical expression</td>
 558   </tr>
 559
 560   <tr>
 561     <td valign="top"><a href="../www/command-line-options.html#extent">-extent <em class="option">geometry</em></a></td>
 562     <td valign="top">set the image size</td>
 563   </tr>
 564
 565   <tr>
 566     <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
 567     <td valign="top">extract area from image</td>
 568   </tr>
 569
 570   <tr>
 571     <td valign="top"><a href="../www/command-line-options.html#family">-family <em class="option">name</em></a></td>
 572     <td valign="top">render text with this font family</td>
 573   </tr>
 574
 575   <tr>
 576     <td valign="top"><a href="../www/command-line-options.html#fft">-fft</a></td>
 577     <td valign="top">implements the discrete Fourier transform (DFT)</td>
 578   </tr>
 579
 580   <tr>
 581     <td valign="top"><a href="../www/command-line-options.html#fill">-fill <em class="option">color</em></a></td>
 582     <td valign="top">color to use when filling a graphic primitive</td>
 583   </tr>
 584
 585   <tr>
 586     <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
 587     <td valign="top">use this filter when resizing an image</td>
 588   </tr>
 589
 590   <tr>
 591     <td valign="top"><a href="../www/command-line-options.html#flatten">-flatten</a></td>
 592     <td valign="top">flatten a sequence of images</td>
 593   </tr>
 594
 595   <tr>
 596     <td valign="top"><a href="../www/command-line-options.html#flip">-flip</a></td>
 597     <td valign="top">flip image in the vertical direction</td>
 598   </tr>
 599
 600   <tr>
 601     <td valign="top"><a href="../www/command-line-options.html#floodfill">-floodfill <em class="option">geometry color</em></a></td>
 602     <td valign="top">floodfill the image with color</td>
 603   </tr>
 604
 605   <tr>
 606     <td valign="top"><a href="../www/command-line-options.html#flop">-flop</a></td>
 607     <td valign="top">flop image in the horizontal direction</td>
 608   </tr>
 609
 610   <tr>
 611     <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
 612     <td valign="top">render text with this font</td>
 613   </tr>
 614
 615   <tr>
 616     <td valign="top"><a href="../www/command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
 617     <td valign="top">output formatted image characteristics</td>
 618   </tr>
 619
 620   <tr>
 621     <td valign="top"><a href="../www/command-line-options.html#frame">-frame <em class="option">geometry</em></a></td>
 622     <td valign="top">surround image with an ornamental border</td>
 623   </tr>
 624
 625   <tr>
 626     <td valign="top"><a href="../www/command-line-options.html#function">-function <em class="option">name</em></a></td>
 627     <td valign="top">apply a function to the image</td>
 628   </tr>
 629
 630   <tr>
 631     <td valign="top"><a href="../www/command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td>
 632     <td valign="top">colors within this distance are considered equal</td>
 633   </tr>
 634
 635   <tr>
 636     <td valign="top"><a href="../www/command-line-options.html#fx">-fx <em class="option">expression</em></a></td>
 637     <td valign="top">apply mathematical expression to an image channel(s)</td>
 638   </tr>
 639
 640   <tr>
 641     <td valign="top"><a href="../www/command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
 642     <td valign="top">level of gamma correction</td>
 643   </tr>
 644
 645   <tr>
 646     <td valign="top"><a href="../www/command-line-options.html#gaussian-blur">-gaussian-blur <em class="option">geometry</em></a></td>
 647     <td valign="top">reduce image noise and reduce detail levels</td>
 648   </tr>
 649
 650   <tr>
 651     <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
 652     <td valign="top">preferred size or location of the image</td>
 653   </tr>
 654
 655   <tr>
 656     <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
 657     <td valign="top">horizontal and vertical text placement</td>
 658   </tr>
 659
 660   <tr>
 661     <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
 662     <td valign="top">chromaticity green primary point</td>
 663   </tr>
 664
 665   <tr>
 666     <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
 667     <td valign="top">print program options</td>
 668   </tr>
 669
 670   <tr>
 671     <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
 672     <td valign="top">identify the format and characteristics of the image</td>
 673   </tr>
 674
 675   <tr>
 676     <td valign="top"><a href="../www/command-line-options.html#ift">-ifft</a></td>
 677     <td valign="top">implements the inverse discrete Fourier transform (DFT)</td>
 678   </tr>
 679
 680   <tr>
 681     <td valign="top"><a href="../www/command-line-options.html#implode">-implode <em class="option">amount</em></a></td>
 682     <td valign="top">implode image pixels about the center</td>
 683   </tr>
 684
 685   <tr>
 686     <td valign="top"><a href="../www/command-line-options.html#insert">-insert <em class="option">index</em></a></td>
 687     <td valign="top">insert last image into the image sequence</td>
 688   </tr>
 689
 690   <tr>
 691     <td valign="top"><a href="../www/command-line-options.html#intent">-intent <em class="option">type</em></a></td>
 692     <td valign="top">type of rendering intent when managing the image color</td>
 693   </tr>
 694
 695   <tr>
 696     <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
 697     <td valign="top">type of image interlacing scheme</td>
 698   </tr>
 699
 700   <tr>
 701     <td valign="top"><a href="../www/command-line-options.html#interline-spacing">-interline-spacing <em class="option">value</em></a></td>
 702     <td valign="top">the space between two text lines</td>
 703   </tr>
 704
 705   <tr>
 706     <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
 707     <td valign="top">pixel color interpolation method</td>
 708   </tr>
 709
 710   <tr>
 711     <td valign="top"><a href="../www/command-line-options.html#interword-spacing">-interword-spacing <em class="option">value</em></a></td>
 712     <td valign="top">the space between two words</td>
 713   </tr>
 714
 715   <tr>
 716     <td valign="top"><a href="../www/command-line-options.html#kerning">-kerning <em class="option">value</em></a></td>
 717     <td valign="top">the space between two characters</td>
 718   </tr>
 719
 720   <tr>
 721     <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
 722     <td valign="top">assign a label to an image</td>
 723   </tr>
 724
 725   <tr>
 726     <td valign="top"><a href="../www/command-line-options.html#lat">-lat <em class="option">geometry</em></a></td>
 727     <td valign="top">local adaptive thresholding</td>
 728   </tr>
 729
 730   <tr>
 731     <td valign="top"><a href="../www/command-line-options.html#layers">-layers <em class="option">method</em></a></td>
 732     <td valign="top">optimize or compare image layers</td>
 733   </tr>
 734
 735   <tr>
 736     <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
 737     <td valign="top">adjust the level of image contrast</td>
 738   </tr>
 739
 740   <tr>
 741     <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
 742     <td valign="top">pixel cache resource limit</td>
 743   </tr>
 744
 745   <tr>
 746     <td valign="top"><a href="../www/command-line-options.html#linear-stretch">-linear-stretch <em class="option">geometry</em></a></td>
 747     <td valign="top">linear with saturation histogram stretch</td>
 748   </tr>
 749
 750   <tr>
 751     <td valign="top"><a href="../www/command-line-options.html#liquid-rescale">-liquid-rescale <em class="option">geometry</em></a></td>
 752     <td valign="top">rescale image with seam-carving</td>
 753   </tr>
 754
 755   <tr>
 756     <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
 757     <td valign="top">format of debugging information</td>
 758   </tr>
 759
 760   <tr>
 761     <td valign="top"><a href="../www/command-line-options.html#loop">-loop <em class="option">iterations</em></a></td>
 762     <td valign="top">add Netscape loop extension to your GIF animation</td>
 763   </tr>
 764
 765   <tr>
 766     <td valign="top"><a href="../www/command-line-options.html#mask">-mask <em class="option">filename</em></a></td>
 767     <td valign="top">associate a mask with the image</td>
 768   </tr>
 769
 770   <tr>
 771     <td valign="top"><a href="../www/command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td>
 772     <td valign="top">frame color</td>
 773   </tr>
 774
 775   <tr>
 776     <td valign="top"><a href="../www/command-line-options.html#median">-median <em class="option">radius</em></a></td>
 777     <td valign="top">apply a median filter to the image</td>
 778   </tr>
 779
 780   <tr>
 781     <td valign="top"><a href="../www/command-line-options.html#modulate">-modulate <em class="option">value</em></a></td>
 782     <td valign="top">vary the brightness, saturation, and hue</td>
 783   </tr>
 784
 785   <tr>
 786     <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
 787     <td valign="top">monitor progress</td>
 788   </tr>
 789
 790   <tr>
 791     <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
 792     <td valign="top">transform image to black and white</td>
 793   </tr>
 794
 795   <tr>
 796     <td valign="top"><a href="../www/command-line-options.html#morph">-morph <em class="option">value</em></a></td>
 797     <td valign="top">morph an image sequence</td>
 798   </tr>
 799
 800   <tr>
 801     <td valign="top"><a href="../www/command-line-options.html#morphology">-morphology <em class="option">method</em></a> <em class="option">kernel</em></td>
 802     <td valign="top">apply a morphology method to the image</td>
 803   </tr>
 804
 805   <tr>
 806     <td valign="top"><a href="../www/command-line-options.html#motion-blur">-motion-blur <em class="option">geometry</em></a></td>
 807     <td valign="top">simulate motion blur</td>
 808   </tr>
 809
 810   <tr>
 811     <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
 812     <td valign="top">replace each pixel with its complementary color </td>
 813   </tr>
 814
 815   <tr>
 816     <td valign="top"><a href="../www/command-line-options.html#noise">-noise <em class="option">radius</em></a></td>
 817     <td valign="top">add or reduce noise in an image</td>
 818   </tr>
 819
 820   <tr>
 821     <td valign="top"><a href="../www/command-line-options.html#normalize">-normalize</a></td>
 822     <td valign="top">transform image to span the full range of colors</td>
 823   </tr>
 824
 825   <tr>
 826     <td valign="top"><a href="../www/command-line-options.html#opaque">-opaque <em class="option">color</em></a></td>
 827     <td valign="top">change this color to the fill color</td>
 828   </tr>
 829
 830   <tr>
 831     <td valign="top"><a href="../www/command-line-options.html#ordered-dither">-ordered-dither <em class="option">NxN</em></a></td>
 832     <td valign="top">ordered dither the image</td>
 833   </tr>
 834
 835   <tr>
 836     <td valign="top"><a href="../www/command-line-options.html#orient">-orient <em class="option">type</em></a></td>
 837     <td valign="top">image orientation</td>
 838   </tr>
 839
 840   <tr>
 841     <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
 842     <td valign="top">size and location of an image canvas (setting)</td>
 843   </tr>
 844
 845   <tr>
 846     <td valign="top"><a href="../www/command-line-options.html#paint">-paint <em class="option">radius</em></a></td>
 847     <td valign="top">simulate an oil painting</td>
 848   </tr>
 849
 850   <tr>
 851     <td valign="top"><a href="../www/command-line-options.html#ping">-ping</a></td>
 852     <td valign="top">efficiently determine image attributes</td>
 853   </tr>
 854
 855   <tr>
 856     <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
 857     <td valign="top">font point size</td>
 858   </tr>
 859
 860   <tr>
 861     <td valign="top"><a href="../www/command-line-options.html#polaroid">-polaroid <em class="option">angle</em></a></td>
 862     <td valign="top">simulate a Polaroid picture</td>
 863   </tr>
 864
 865   <tr>
 866     <td valign="top"><a href="../www/command-line-options.html#posterize">-posterize <em class="option">levels</em></a></td>
 867     <td valign="top">reduce the image to a limited number of color levels</td>
 868   </tr>
 869
 870   <tr>
 871     <td valign="top"><a href="../www/command-line-options.html#precision">-precision <em class="option">value</em></a></td>
 872     <td valign="top">set the maximum number of significant digits to be printed</td>
 873   </tr>
 874
 875   <tr>
 876     <td valign="top"><a href="../www/command-line-options.html#preview">-preview <em class="option">type</em></a></td>
 877     <td valign="top">image preview type</td>
 878   </tr>
 879
 880   <tr>
 881     <td valign="top"><a href="../www/command-line-options.html#print">-print <em class="option">string</em></a></td>
 882     <td valign="top">interpret string and print to console</td>
 883   </tr>
 884
 885   <tr>
 886     <td valign="top"><a href="../www/command-line-options.html#process">-process <em class="option">image-filter</em></a></td>
 887     <td valign="top">process the image with a custom image filter</td>
 888   </tr>
 889
 890   <tr>
 891     <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
 892     <td valign="top">add, delete, or apply an image profile</td>
 893   </tr>
 894
 895   <tr>
 896     <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
 897     <td valign="top">JPEG/MIFF/PNG compression level</td>
 898   </tr>
 899
 900   <tr>
 901     <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
 902     <td valign="top">reduce image colors in this colorspace</td>
 903   </tr>
 904
 905   <tr>
 906     <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
 907     <td valign="top">suppress all warning messages</td>
 908   </tr>
 909
 910   <tr>
 911     <td valign="top"><a href="../www/command-line-options.html#radial-blur">-radial-blur <em class="option">angle</em></a></td>
 912     <td valign="top">radial blur the image</td>
 913   </tr>
 914
 915   <tr>
 916     <td valign="top"><a href="../www/command-line-options.html#raise">-raise <em class="option">value</em></a></td>
 917     <td valign="top">lighten/darken image edges to create a 3-D effect</td>
 918   </tr>
 919
 920   <tr>
 921     <td valign="top"><a href="../www/command-line-options.html#random-threshold">-random-threshold <em class="option">low,high</em></a></td>
 922     <td valign="top">random threshold the image</td>
 923   </tr>
 924
 925   <tr>
 926     <td valign="top"><a href="../www/command-line-options.html#recolor">-recolor <em class="option">matrix</em></a></td>
 927     <td valign="top">translate, scale, shear, or rotate image colors.</td>
 928   </tr>
 929
 930   <tr>
 931     <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
 932     <td valign="top">chromaticity red primary point</td>
 933   </tr>
 934
 935   <tr>
 936     <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
 937     <td valign="top">pay attention to warning messages.</td>
 938   </tr>
 939
 940   <tr>
 941     <td valign="top"><a href="../www/command-line-options.html#region">-region <em class="option">geometry</em></a></td>
 942     <td valign="top">apply options to a portion of the image</td>
 943   </tr>
 944
 945   <tr>
 946     <td valign="top"><a href="../www/command-line-options.html#remap">-remap <em class="option">filename</em></a></td>
 947     <td valign="top">transform image colors to match this set of colors</td>
 948   </tr>
 949
 950   <tr>
 951     <td valign="top"><a href="../www/command-line-options.html#render">-render</a></td>
 952     <td valign="top">render vector graphics</td>
 953   </tr>
 954
 955   <tr>
 956     <td valign="top"><a href="../www/command-line-options.html#repage">-repage <em class="option">geometry</em></a></td>
 957     <td valign="top">size and location of an image canvas</td>
 958   </tr>
 959
 960   <tr>
 961     <td valign="top"><a href="../www/command-line-options.html#resample">-resample <em class="option">geometry</em></a></td>
 962     <td valign="top">change the resolution of an image</td>
 963   </tr>
 964
 965   <tr>
 966     <td valign="top"><a href="../www/command-line-options.html#resize">-resize <em class="option">geometry</em></a></td>
 967     <td valign="top">resize the image</td>
 968   </tr>
 969
 970   <tr>
 971     <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
 972     <td valign="top">settings remain in effect until parenthesis boundary.</td>
 973   </tr>
 974
 975   <tr>
 976     <td valign="top"><a href="../www/command-line-options.html#roll">-roll <em class="option">geometry</em></a></td>
 977     <td valign="top">roll an image vertically or horizontally</td>
 978   </tr>
 979
 980   <tr>
 981     <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
 982     <td valign="top">apply Paeth rotation to the image</td>
 983   </tr>
 984
 985   <tr>
 986     <td valign="top"><a href="../www/command-line-options.html#sample">-sample <em class="option">geometry</em></a></td>
 987     <td valign="top">scale image with pixel sampling</td>
 988   </tr>
 989
 990   <tr>
 991     <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
 992     <td valign="top">horizontal and vertical sampling factor</td>
 993   </tr>
 994
 995   <tr>
 996     <td valign="top"><a href="../www/command-line-options.html#scale">-scale <em class="option">geometry</em></a></td>
 997     <td valign="top">scale the image</td>
 998   </tr>
 999
1000   <tr>
1001     <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
1002     <td valign="top">image scene number</td>
1003   </tr>
1004
1005   <tr>
1006     <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
1007     <td valign="top">seed a new sequence of pseudo-random numbers</td>
1008   </tr>
1009
1010   <tr>
1011     <td valign="top"><a href="../www/command-line-options.html#segment">-segment <em class="option">values</em></a></td>
1012     <td valign="top">segment an image</td>
1013   </tr>
1014
1015   <tr>
1016     <td valign="top"><a href="../www/command-line-options.html#threshold">-selective-blur <em class="option">geometry</em></a></td>
1017     <td valign="top">selectively blur pixels within a contrast threshold</td>
1018   </tr>
1019
1020   <tr>
1021     <td valign="top"><a href="../www/command-line-options.html#separate">-separate</a></td>
1022     <td valign="top">separate an image channel into a grayscale image</td>
1023   </tr>
1024
1025   <tr>
1026     <td valign="top"><a href="../www/command-line-options.html#sepia-tone">-sepia-tone <em class="option">threshold</em></a></td>
1027     <td valign="top">simulate a sepia-toned photo</td>
1028   </tr>
1029
1030   <tr>
1031     <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
1032     <td valign="top">set an image attribute</td>
1033   </tr>
1034
1035   <tr>
1036     <td valign="top"><a href="../www/command-line-options.html#shade">-shade <em class="option">degrees</em></a></td>
1037     <td valign="top">shade the image using a distant light source</td>
1038   </tr>
1039
1040   <tr>
1041     <td valign="top"><a href="../www/command-line-options.html#shadow">-shadow <em class="option">geometry</em></a></td>
1042     <td valign="top">simulate an image shadow</td>
1043   </tr>
1044
1045   <tr>
1046     <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
1047     <td valign="top">sharpen the image</td>
1048   </tr>
1049
1050   <tr>
1051     <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
1052     <td valign="top">shave pixels from the image edges</td>
1053   </tr>
1054
1055   <tr>
1056     <td valign="top"><a href="../www/command-line-options.html#shear">-shear <em class="option">geometry</em></a></td>
1057     <td valign="top">slide one edge of the image along the X or Y axis</td>
1058   </tr>
1059
1060   <tr>
1061     <td valign="top"><a href="../www/command-line-options.html#sigmoidal">-sigmoidal-contrast <em class="option">geometry</em></a></td>
1062     <td valign="top">increase the contrast without saturating highlights or shadows</td>
1063   </tr>
1064
1065   <tr>
1066     <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
1067     <td valign="top">width and height of image</td>
1068   </tr>
1069
1070   <tr>
1071     <td valign="top"><a href="../www/command-line-options.html#sketch">-sketch <em class="option">geometry</em></a></td>
1072     <td valign="top">simulate a pencil sketch</td>
1073   </tr>
1074
1075   <tr>
1076     <td valign="top"><a href="../www/command-line-options.html#solarize">-solarize <em class="option">threshold</em></a></td>
1077     <td valign="top">negate all pixels above the threshold level</td>
1078   </tr>
1079
1080   <tr>
1081     <td valign="top"><a href="../www/command-line-options.html#splice">-splice <em class="option">geometry</em></a></td>
1082     <td valign="top">splice the background color into the image</td>
1083   </tr>
1084
1085   <tr>
1086     <td valign="top"><a href="../www/command-line-options.html#spread">-spread <em class="option">radius</em></a></td>
1087     <td valign="top">displace image pixels by a random amount</td>
1088   </tr>
1089
1090   <tr>
1091     <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
1092     <td valign="top">strip image of all profiles and comments</td>
1093   </tr>
1094
1095   <tr>
1096     <td valign="top"><a href="../www/command-line-options.html#stroke">-stroke <em class="option">color</em></a></td>
1097     <td valign="top">graphic primitive stroke color</td>
1098   </tr>
1099
1100   <tr>
1101     <td valign="top"><a href="../www/command-line-options.html#strokewidth">-strokewidth <em class="option">value</em></a></td>
1102     <td valign="top">graphic primitive stroke width</td>
1103   </tr>
1104
1105   <tr>
1106     <td valign="top"><a href="../www/command-line-options.html#stretch">-stretch <em class="option">type</em></a></td>
1107     <td valign="top">render text with this font stretch</td>
1108   </tr>
1109
1110   <tr>
1111     <td valign="top"><a href="../www/command-line-options.html#style">-style <em class="option">type</em></a></td>
1112     <td valign="top">render text with this font style</td>
1113   </tr>
1114
1115   <tr>
1116     <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
1117     <td valign="top">swap two images in the image sequence</td>
1118   </tr>
1119
1120   <tr>
1121     <td valign="top"><a href="../www/command-line-options.html#swirl">-swirl <em class="option">degrees</em></a></td>
1122     <td valign="top">swirl image pixels about the center</td>
1123   </tr>
1124
1125   <tr>
1126     <td valign="top"><a href="../www/command-line-options.html#texture">-texture <em class="option">filename</em></a></td>
1127     <td valign="top">name of texture to tile onto the image background</td>
1128   </tr>
1129
1130   <tr>
1131     <td valign="top"><a href="../www/command-line-options.html#threshold">-threshold <em class="option">value</em></a></td>
1132     <td valign="top">threshold the image</td>
1133   </tr>
1134
1135   <tr>
1136     <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
1137     <td valign="top">create a thumbnail of the image</td>
1138   </tr>
1139
1140   <tr>
1141     <td valign="top"><a href="../www/command-line-options.html#tile">-tile <em class="option">filename</em></a></td>
1142     <td valign="top">tile image when filling a graphic primitive</td>
1143   </tr>
1144
1145   <tr>
1146     <td valign="top"><a href="../www/command-line-options.html#tile-offset">-tile-offset <em class="option">geometry</em></a></td>
1147     <td valign="top">set the image tile offset</td>
1148   </tr>
1149
1150   <tr>
1151     <td valign="top"><a href="../www/command-line-options.html#tint">-tint <em class="option">value</em></a></td>
1152     <td valign="top">tint the image with the fill color</td>
1153   </tr>
1154
1155   <tr>
1156     <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
1157     <td valign="top">affine transform image</td>
1158   </tr>
1159
1160   <tr>
1161     <td valign="top"><a href="../www/command-line-options.html#transparent">-transparent <em class="option">color</em></a></td>
1162     <td valign="top">make this color transparent within the image</td>
1163   </tr>
1164
1165   <tr>
1166     <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
1167     <td valign="top">transparent color</td>
1168   </tr>
1169
1170   <tr>
1171     <td valign="top"><a href="../www/command-line-options.html#transpose">-transpose</a></td>
1172     <td valign="top">flip image in the vertical direction and rotate 90 degrees</td>
1173   </tr>
1174
1175   <tr>
1176     <td valign="top"><a href="../www/command-line-options.html#transverse">-transverse</a></td>
1177     <td valign="top">flop image in the horizontal direction and rotate 270 degrees</td>
1178   </tr>
1179
1180   <tr>
1181     <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
1182     <td valign="top">color tree depth</td>
1183   </tr>
1184
1185   <tr>
1186     <td valign="top"><a href="../www/command-line-options.html#trim">-trim</a></td>
1187     <td valign="top">trim image edges</td>
1188   </tr>
1189
1190   <tr>
1191     <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
1192     <td valign="top">image type</td>
1193   </tr>
1194
1195   <tr>
1196     <td valign="top"><a href="../www/command-line-options.html#undercolor">-undercolor <em class="option">color</em></a></td>
1197     <td valign="top">annotation bounding box color</td>
1198   </tr>
1199
1200   <tr>
1201     <td valign="top"><a href="../www/command-line-options.html#unique-colors">-unique-colors</a></td>
1202     <td valign="top">discard all but one of any pixel color.</td>
1203   </tr>
1204
1205   <tr>
1206     <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
1207     <td valign="top">the units of image resolution</td>
1208   </tr>
1209
1210   <tr>
1211     <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
1212     <td valign="top">sharpen the image</td>
1213   </tr>
1214
1215   <tr>
1216     <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
1217     <td valign="top">print detailed information about the image</td>
1218   </tr>
1219
1220   <tr>
1221     <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
1222     <td valign="top">print version information</td>
1223   </tr>
1224
1225   <tr>
1226     <td valign="top"><a href="../www/command-line-options.html#view">-view</a></td>
1227     <td valign="top">FlashPix viewing transforms</td>
1228   </tr>
1229
1230   <tr>
1231     <td valign="top"><a href="../www/command-line-options.html#vignette">-vignette <em class="option">geometry</em></a></td>
1232     <td valign="top">soften the edges of the image in vignette style</td>
1233   </tr>
1234
1235   <tr>
1236     <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
1237     <td valign="top">access method for pixels outside the boundaries of the image</td>
1238   </tr>
1239
1240   <tr>
1241     <td valign="top"><a href="../www/command-line-options.html#wave">-wave <em class="option">geometry</em></a></td>
1242     <td valign="top">alter an image along a sine wave</td>
1243   </tr>
1244
1245   <tr>
1246     <td valign="top"><a href="../www/command-line-options.html#weight">-weight <em class="option">type</em></a></td>
1247     <td valign="top">render text with this font weight</td>
1248   </tr>
1249
1250   <tr>
1251     <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
1252     <td valign="top">chromaticity white point</td>
1253   </tr>
1254
1255   <tr>
1256     <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
1257     <td valign="top">force all pixels above the threshold into white</td>
1258   </tr>
1259
1260   <tr>
1261     <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
1262     <td valign="top">write images to this file</td>
1263   </tr>
1264
1265   </tbody>
1266 </table>
1267
1268 </div>
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