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 199 \r
 200 <h1>ImageMagick Mogrify Command-line Tool</h1>
 201 <p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
 202
 203 <div class="doc-section">
 204 <p>Use the <kbd>mogrify</kbd> program to resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.   This tool is similiar to <a href="../www/convert.html">convert</a> except that the original image file is overwritten (unless you change the file suffix with the <a href="../www/command-line-options.html#format">-format</a> option) with any changes you request.  See <a href="../www/command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>mogrify</kbd> command or see below for sample usages of the command.</p>
 205 </div>
 206
 207 <h2><a id="usage"></a>Example Usage</h2>
 208 <div class="doc-section">
 209
 210 <p>We list a few examples of the <kbd>mogrify</kbd> command here to illustrate its usefulness and ease of use.  To get started, lets reduce the size of our
 211 rose:</p>
 212
 213 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 50% rose.jpg</span></p>
 214 <p class="image">
 215   <a href="../images/rose.jpg">
 216   <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
 217   </a>
 218   <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
 219   <a href="../images/rose.png">
 220   <img style="margin-top:12px; margin-bottom: 11px;" src="../images/rose.png" width="35" height="23" alt="rose" />
 221   </a>
 222 </p>
 223
 224 <p>You can resize all your JPEG images in a folder to a maximum dimension of 256x256 with this command:</p>
 225
 226 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 256x256 *.jpg</span></p>
 227 <p>Finally, we convert all our PNG images to the JPEG format:</p>
 228
 229 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -format jpg *.png</span></p>
 230 <p>Here image files 1.png, 2.png, etc., are left untouched and files 1.jpg, 2.jpg, etc., are created.  They are copies of their respective PNG images except are stored  in the JPEG image format.</p>
 231
 232
 233 <p>You can find additional examples of using <kbd>mogrify</kbd> in <a href="http://www-106.ibm.com/developerworks/library/l-graf/?ca=dnt-428">Graphics from the Command Line</a>.  Further discussion is available in  <a href="http://www-106.ibm.com/developerworks/library/l-graf2/?ca=dgr-lnxw15GraphicsLine">More Graphics from the Command Line</a> and <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
 234
 235 </div>
 236
 237 <h2><a id="options"></a>Option Summary</h2>
 238 <div class="doc-section">
 239
 240 <p>The <kbd>mogrify</kbd> command recognizes these options.  Click on an option to get more details about how that option works.</p>
 241
 242 <table class="doc">
 243   <tbody>
 244   <tr>
 245     <th align="left">Option</th>
 246     <th align="left">Description</th>
 247   </tr>
 248
 249   <tr>
 250     <td valign="top"><a href="../www/command-line-options.html#adaptive-blur">-adaptive-blur <em class="option">geometry</em></a></td>
 251     <td valign="top">adaptively blur pixels; decrease effect near edges</td>
 252   </tr>
 253
 254   <tr>
 255     <td valign="top"><a href="../www/command-line-options.html#adaptive-resize">-adaptive-resize <em class="option">geometry</em></a></td>
 256     <td valign="top">adaptively resize image with data dependent triangulation.</td>
 257   </tr>
 258
 259   <tr>
 260     <td valign="top"><a href="../www/command-line-options.html#adaptive-sharpen">-adaptive-sharpen <em class="option">geometry</em></a></td>
 261     <td valign="top">adaptively sharpen pixels; increase effect near edges</td>
 262   </tr>
 263
 264   <tr>
 265     <td valign="top"><a href="../www/command-line-options.html#adjoin">-adjoin</a></td>
 266     <td valign="top">join images into a single multi-image file</td>
 267   </tr>
 268
 269   <tr>
 270     <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
 271     <td valign="top">affine transform matrix</td>
 272   </tr>
 273
 274   <tr>
 275     <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
 276     <td valign="top">on, activate, off, deactivate, set, opaque, copy",
 277 transparent, extract, background, or shape the alpha channel</td>
 278   </tr>
 279
 280   <tr>
 281     <td valign="top"><a href="../www/command-line-options.html#annotate">-annotate <em class="option">geometry text</em></a></td>
 282     <td valign="top">annotate the image with text</td>
 283   </tr>
 284
 285   <tr>
 286     <td valign="top"><a href="../www/command-line-options.html#antialias">-antialias</a></td>
 287     <td valign="top">remove pixel-aliasing</td>
 288   </tr>
 289
 290   <tr>
 291     <td valign="top"><a href="../www/command-line-options.html#append">-append</a></td>
 292     <td valign="top">append an image sequence</td>
 293   </tr>
 294
 295   <tr>
 296     <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
 297     <td valign="top">decipher image with this password</td>
 298   </tr>
 299
 300   <tr>
 301     <td valign="top"><a href="../www/command-line-options.html#auto-gamma">-auto-gamma</a></td>
 302     <td valign="top">automagically adjust gamma level of image</td>
 303   </tr>
 304
 305   <tr>
 306     <td valign="top"><a href="../www/command-line-options.html#auto-level">-auto-level</a></td>
 307     <td valign="top">automagically adjust color levels of image</td>
 308   </tr>
 309
 310   <tr>
 311     <td valign="top"><a href="../www/command-line-options.html#auto-orient">-auto-orient</a></td>
 312     <td valign="top">automagically orient image</td>
 313   </tr>
 314
 315   <tr>
 316     <td valign="top"><a href="../www/command-line-options.html#background">-background <em class="option">color</em></a></td>
 317     <td valign="top">background color</td>
 318   </tr>
 319
 320   <tr>
 321     <td valign="top"><a href="../www/command-line-options.html#bench">-bench <em class="option">iterations</em></a></td>
 322     <td valign="top">measure performance</td>
 323   </tr>
 324
 325   <tr>
 326     <td valign="top"><a href="../www/command-line-options.html#bias">-bias <em class="option">value</em></a></td>
 327     <td valign="top">add bias when convolving an image</td>
 328   </tr>
 329
 330   <tr>
 331     <td valign="top"><a href="../www/command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td>
 332     <td valign="top">force all pixels below the threshold into black</td>
 333   </tr>
 334
 335   <tr>
 336     <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
 337     <td valign="top">chromaticity blue primary point</td>
 338   </tr>
 339
 340   <tr>
 341     <td valign="top"><a href="../www/command-line-options.html#blue-shift">-blue-shift  <em class="option">factor</em></a></td>
 342     <td valign="top">simulate a scene at nighttime in the moonlight</td>
 343   </tr>
 344
 345   <tr>
 346     <td valign="top"><a href="../www/command-line-options.html#blur">-blur <em class="option">geometry</em></a></td>
 347     <td valign="top">reduce image noise and reduce detail levels</td>
 348   </tr>
 349
 350   <tr>
 351     <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
 352     <td valign="top">surround image with a border of color</td>
 353   </tr>
 354
 355   <tr>
 356     <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
 357     <td valign="top">border color</td>
 358   </tr>
 359
 360   <tr>
 361     <td valign="top"><a href="../www/command-line-options.html#brightness-contrast">-brightness-contrast <em class="option">geometry</em></a></td>
 362     <td valign="top">improve brightness / contrast of the image</td>
 363   </tr>
 364
 365   <tr>
 366     <td valign="top"><a href="../www/command-line-options.html#caption">-caption <em class="option">string</em></a></td>
 367     <td valign="top">assign a caption to an image</td>
 368   </tr>
 369
 370   <tr>
 371     <td valign="top"><a href="../www/command-line-options.html#cdl">-cdl <em class="option">filename</em></a></td>
 372     <td valign="top">color correct with a color decision list</td>
 373   </tr>
 374
 375   <tr>
 376     <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
 377     <td valign="top">apply option to select image channels</td>
 378   </tr>
 379
 380   <tr>
 381     <td valign="top"><a href="../www/command-line-options.html#charcoal">-charcoal <em class="option">radius</em></a></td>
 382     <td valign="top">simulate a charcoal drawing</td>
 383   </tr>
 384
 385   <tr>
 386     <td valign="top"><a href="../www/command-line-options.html#chop">-chop <em class="option">geometry</em></a></td>
 387     <td valign="top">remove pixels from the image interior</td>
 388   </tr>
 389
 390   <tr>
 391     <td valign="top"><a href="../www/command-line-options.html#clip">-clip</a></td>
 392     <td valign="top">clip along the first path from the 8BIM profile</td>
 393   </tr>
 394
 395   <tr>
 396     <td valign="top"><a href="../www/command-line-options.html#clamp">-clamp</a></td>
 397     <td valign="top">restrict colors from 0 to the quantum depth</td>
 398   </tr>
 399
 400   <tr>
 401     <td valign="top"><a href="../www/command-line-options.html#clip-mask">-clip-mask</a> <em class="option">filename</em></td>
 402     <td valign="top">associate clip mask with the image</td>
 403   </tr>
 404
 405   <tr>
 406     <td valign="top"><a href="../www/command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td>
 407     <td valign="top">clip along a named path from the 8BIM profile</td>
 408   </tr>
 409
 410   <tr>
 411     <td valign="top"><a href="../www/command-line-options.html#clone">-clone <em class="option">index</em></a></td>
 412     <td valign="top">clone an image</td>
 413   </tr>
 414
 415   <tr>
 416     <td valign="top"><a href="../www/command-line-options.html#clut">-clut</a></td>
 417     <td valign="top">apply a color lookup table to the image</td>
 418   </tr>
 419
 420   <tr>
 421     <td valign="top"><a href="../www/command-line-options.html#contrast-stretch">-contrast-stretch <em class="option">geometry</em></a></td>
 422     <td valign="top">improve the contrast in an image by `stretching' the range of intensity value</td>
 423   </tr>
 424
 425   <tr>
 426     <td valign="top"><a href="../www/command-line-options.html#coalesce">-coalesce</a></td>
 427     <td valign="top">merge a sequence of images</td>
 428   </tr>
 429
 430   <tr>
 431     <td valign="top"><a href="../www/command-line-options.html#colorize">-colorize <em class="option">value</em></a></td>
 432     <td valign="top">colorize the image with the fill color</td>
 433   </tr>
 434
 435   <tr>
 436     <td valign="top"><a href="../www/command-line-options.html#color-matrix">-color-matrix <em class="option">matrix</em></a></td>
 437     <td valign="top">apply color correction to the image.</td>
 438   </tr>
 439
 440   <tr>
 441     <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
 442     <td valign="top">preferred number of colors in the image</td>
 443   </tr>
 444
 445   <tr>
 446     <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
 447     <td valign="top">set image colorspace</td>
 448   </tr>
 449
 450   <tr>
 451     <td valign="top"><a href="../www/command-line-options.html#combine">-combine</a></td>
 452     <td valign="top">combine a sequence of images</td>
 453   </tr>
 454
 455   <tr>
 456     <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
 457     <td valign="top">annotate image with comment</td>
 458   </tr>
 459
 460   <tr>
 461     <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
 462     <td valign="top">set image composite operator</td>
 463   </tr>
 464
 465   <tr>
 466     <td valign="top"><a href="../www/command-line-options.html#composite">-composite</a></td>
 467     <td valign="top">composite image</td>
 468   </tr>
 469
 470   <tr>
 471     <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
 472     <td valign="top">image compression type</td>
 473   </tr>
 474
 475   <tr>
 476     <td valign="top"><a href="../www/command-line-options.html#contrast">-contrast</a></td>
 477     <td valign="top">enhance or reduce the image contrast</td>
 478   </tr>
 479
 480   <tr>
 481     <td valign="top"><a href="../www/command-line-options.html#convolve">-convolve <em class="option">coefficients</em></a></td>
 482     <td valign="top">apply a convolution kernel to the image</td>
 483   </tr>
 484
 485   <tr>
 486     <td valign="top"><a href="../www/command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
 487     <td valign="top">crop the image</td>
 488   </tr>
 489
 490   <tr>
 491     <td valign="top"><a href="../www/command-line-options.html#cycle">-cycle <em class="option">amount</em></a></td>
 492     <td valign="top">cycle the image colormap</td>
 493   </tr>
 494
 495   <tr>
 496     <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
 497     <td valign="top">convert cipher pixels to plain</td>
 498   </tr>
 499
 500   <tr>
 501     <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
 502     <td valign="top">display copious debugging information</td>
 503   </tr>
 504
 505   <tr>
 506     <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
 507     <td valign="top">define one or more image format options</td>
 508   </tr>
 509
 510   <tr>
 511     <td valign="top"><a href="../www/command-line-options.html#deconstruct">-deconstruct</a></td>
 512     <td valign="top">break down an image sequence into constituent parts</td>
 513   </tr>
 514
 515   <tr>
 516     <td valign="top"><a href="../www/command-line-options.html#delay">-delay <em class="option">value</em></a></td>
 517     <td valign="top">display the next image after pausing</td>
 518   </tr>
 519
 520   <tr>
 521     <td valign="top"><a href="../www/command-line-options.html#delete">-delete <em class="option">index</em></a></td>
 522     <td valign="top">delete the image from the image sequence</td>
 523   </tr>
 524
 525   <tr>
 526     <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
 527     <td valign="top">horizontal and vertical density of the image</td>
 528   </tr>
 529
 530   <tr>
 531     <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
 532     <td valign="top">image depth</td>
 533   </tr>
 534
 535   <tr>
 536     <td valign="top"><a href="../www/command-line-options.html#despeckle">-despeckle</a></td>
 537     <td valign="top">reduce the speckles within an image</td>
 538   </tr>
 539
 540   <tr>
 541     <td valign="top"><a href="../www/command-line-options.html#direction">-direction <em class="option">type</em></a></td>
 542     <td valign="top">render text right-to-left or left-to-right</td>
 543   </tr>
 544
 545   <tr>
 546     <td valign="top"><a href="../www/command-line-options.html#display">-display <em class="option">server</em></a></td>
 547     <td valign="top">get image or font from this X server</td>
 548   </tr>
 549
 550   <tr>
 551     <td valign="top"><a href="../www/command-line-options.html#dispose">-dispose <em class="option">method</em></a></td>
 552     <td valign="top">layer disposal method</td>
 553   </tr>
 554
 555   <tr>
 556     <td valign="top"><a href="../www/command-line-options.html#distort">-distort <em class="option">type coefficients</em></a></td>
 557     <td valign="top">distort image</td>
 558   </tr>
 559
 560   <tr>
 561     <td valign="top"><a href="../www/command-line-options.html#dither">-dither  <em class="option">method</em></a></td>
 562     <td valign="top">apply error diffusion to image</td>
 563   </tr>
 564
 565   <tr>
 566     <td valign="top"><a href="../www/command-line-options.html#draw">-draw <em class="option">string</em></a></td>
 567     <td valign="top">annotate the image with a graphic primitive</td>
 568   </tr>
 569
 570   <tr>
 571     <td valign="top"><a href="../www/command-line-options.html#edge">-edge <em class="option">radius</em></a></td>
 572     <td valign="top">apply a filter to detect edges in the image</td>
 573   </tr>
 574
 575   <tr>
 576     <td valign="top"><a href="../www/command-line-options.html#emboss">-emboss <em class="option">radius</em></a></td>
 577     <td valign="top">emboss an image</td>
 578   </tr>
 579
 580   <tr>
 581     <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
 582     <td valign="top">convert plain pixels to cipher pixels</td>
 583   </tr>
 584
 585   <tr>
 586     <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
 587     <td valign="top">text encoding type</td>
 588   </tr>
 589
 590   <tr>
 591     <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
 592     <td valign="top">endianness (MSB or LSB) of the image</td>
 593   </tr>
 594
 595   <tr>
 596     <td valign="top"><a href="../www/command-line-options.html#enhance">-enhance</a></td>
 597     <td valign="top">apply a digital filter to enhance a noisy image</td>
 598   </tr>
 599
 600   <tr>
 601     <td valign="top"><a href="../www/command-line-options.html#equalize">-equalize</a></td>
 602     <td valign="top">perform histogram equalization to an image</td>
 603   </tr>
 604
 605   <tr>
 606     <td valign="top"><a href="../www/command-line-options.html#evaluate">-evaluate <em class="option">operator value</em></a></td>
 607     <td valign="top">evaluate an arithmetic, relational, or logical expression</td>
 608   </tr>
 609
 610   <tr>
 611     <td valign="top"><a href="../www/command-line-options.html#evaluate-sequence">-evaluate-sequence <em class="option">operator</em></a></td>
 612     <td valign="top">evaluate an arithmetic, relational, or logical expression for an image sequence</td>
 613   </tr>
 614
 615   <tr>
 616     <td valign="top"><a href="../www/command-line-options.html#extent">-extent <em class="option">geometry</em></a></td>
 617     <td valign="top">set the image size</td>
 618   </tr>
 619
 620   <tr>
 621     <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
 622     <td valign="top">extract area from image</td>
 623   </tr>
 624
 625   <tr>
 626     <td valign="top"><a href="../www/command-line-options.html#family">-family <em class="option">name</em></a></td>
 627     <td valign="top">render text with this font family</td>
 628   </tr>
 629
 630   <tr>
 631     <td valign="top"><a href="../www/command-line-options.html#fft">-fft</a></td>
 632     <td valign="top">implements the discrete Fourier transform (DFT)</td>
 633   </tr>
 634
 635   <tr>
 636     <td valign="top"><a href="../www/command-line-options.html#fill">-fill <em class="option">color</em></a></td>
 637     <td valign="top">color to use when filling a graphic primitive</td>
 638   </tr>
 639
 640   <tr>
 641     <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
 642     <td valign="top">use this filter when resizing an image</td>
 643   </tr>
 644
 645   <tr>
 646     <td valign="top"><a href="../www/command-line-options.html#flatten">-flatten</a></td>
 647     <td valign="top">flatten a sequence of images</td>
 648   </tr>
 649
 650   <tr>
 651     <td valign="top"><a href="../www/command-line-options.html#flip">-flip</a></td>
 652     <td valign="top">flip image in the vertical direction</td>
 653   </tr>
 654
 655   <tr>
 656     <td valign="top"><a href="../www/command-line-options.html#floodfill">-floodfill <em class="option">geometry color</em></a></td>
 657     <td valign="top">floodfill the image with color</td>
 658   </tr>
 659
 660   <tr>
 661     <td valign="top"><a href="../www/command-line-options.html#flop">-flop</a></td>
 662     <td valign="top">flop image in the horizontal direction</td>
 663   </tr>
 664
 665   <tr>
 666     <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
 667     <td valign="top">render text with this font</td>
 668   </tr>
 669
 670   <tr>
 671     <td valign="top"><a href="../www/command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
 672     <td valign="top">output formatted image characteristics</td>
 673   </tr>
 674
 675   <tr>
 676     <td valign="top"><a href="../www/command-line-options.html#frame">-frame <em class="option">geometry</em></a></td>
 677     <td valign="top">surround image with an ornamental border</td>
 678   </tr>
 679
 680   <tr>
 681     <td valign="top"><a href="../www/command-line-options.html#function">-function <em class="option">name</em></a></td>
 682     <td valign="top">apply a function to the image</td>
 683   </tr>
 684
 685   <tr>
 686     <td valign="top"><a href="../www/command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td>
 687     <td valign="top">colors within this distance are considered equal</td>
 688   </tr>
 689
 690   <tr>
 691     <td valign="top"><a href="../www/command-line-options.html#fx">-fx <em class="option">expression</em></a></td>
 692     <td valign="top">apply mathematical expression to an image channel(s)</td>
 693   </tr>
 694
 695   <tr>
 696     <td valign="top"><a href="../www/command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
 697     <td valign="top">level of gamma correction</td>
 698   </tr>
 699
 700   <tr>
 701     <td valign="top"><a href="../www/command-line-options.html#gaussian-blur">-gaussian-blur <em class="option">geometry</em></a></td>
 702     <td valign="top">reduce image noise and reduce detail levels</td>
 703   </tr>
 704
 705   <tr>
 706     <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
 707     <td valign="top">preferred size or location of the image</td>
 708   </tr>
 709
 710   <tr>
 711     <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
 712     <td valign="top">horizontal and vertical text placement</td>
 713   </tr>
 714
 715   <tr>
 716     <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
 717     <td valign="top">chromaticity green primary point</td>
 718   </tr>
 719
 720   <tr>
 721     <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
 722     <td valign="top">print program options</td>
 723   </tr>
 724
 725   <tr>
 726     <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
 727     <td valign="top">identify the format and characteristics of the image</td>
 728   </tr>
 729
 730   <tr>
 731     <td valign="top"><a href="../www/command-line-options.html#ift">-ifft</a></td>
 732     <td valign="top">implements the inverse discrete Fourier transform (DFT)</td>
 733   </tr>
 734
 735   <tr>
 736     <td valign="top"><a href="../www/command-line-options.html#implode">-implode <em class="option">amount</em></a></td>
 737     <td valign="top">implode image pixels about the center</td>
 738   </tr>
 739
 740   <tr>
 741     <td valign="top"><a href="../www/command-line-options.html#insert">-insert <em class="option">index</em></a></td>
 742     <td valign="top">insert last image into the image sequence</td>
 743   </tr>
 744
 745   <tr>
 746     <td valign="top"><a href="../www/command-line-options.html#intent">-intent <em class="option">type</em></a></td>
 747     <td valign="top">type of rendering intent when managing the image color</td>
 748   </tr>
 749
 750   <tr>
 751     <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
 752     <td valign="top">type of image interlacing scheme</td>
 753   </tr>
 754
 755   <tr>
 756     <td valign="top"><a href="../www/command-line-options.html#interline-spacing">-interline-spacing <em class="option">value</em></a></td>
 757     <td valign="top">the space between two text lines</td>
 758   </tr>
 759
 760   <tr>
 761     <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
 762     <td valign="top">pixel color interpolation method</td>
 763   </tr>
 764
 765   <tr>
 766     <td valign="top"><a href="../www/command-line-options.html#interword-spacing">-interword-spacing <em class="option">value</em></a></td>
 767     <td valign="top">the space between two words</td>
 768   </tr>
 769
 770   <tr>
 771     <td valign="top"><a href="../www/command-line-options.html#kerning">-kerning <em class="option">value</em></a></td>
 772     <td valign="top">the space between two characters</td>
 773   </tr>
 774
 775   <tr>
 776     <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
 777     <td valign="top">assign a label to an image</td>
 778   </tr>
 779
 780   <tr>
 781     <td valign="top"><a href="../www/command-line-options.html#lat">-lat <em class="option">geometry</em></a></td>
 782     <td valign="top">local adaptive thresholding</td>
 783   </tr>
 784
 785   <tr>
 786     <td valign="top"><a href="../www/command-line-options.html#layers">-layers <em class="option">method</em></a></td>
 787     <td valign="top">optimize or compare image layers</td>
 788   </tr>
 789
 790   <tr>
 791     <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
 792     <td valign="top">adjust the level of image contrast</td>
 793   </tr>
 794
 795   <tr>
 796     <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
 797     <td valign="top">pixel cache resource limit</td>
 798   </tr>
 799
 800   <tr>
 801     <td valign="top"><a href="../www/command-line-options.html#linear-stretch">-linear-stretch <em class="option">geometry</em></a></td>
 802     <td valign="top">linear with saturation histogram stretch</td>
 803   </tr>
 804
 805   <tr>
 806     <td valign="top"><a href="../www/command-line-options.html#liquid-rescale">-liquid-rescale <em class="option">geometry</em></a></td>
 807     <td valign="top">rescale image with seam-carving</td>
 808   </tr>
 809
 810   <tr>
 811     <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
 812     <td valign="top">format of debugging information</td>
 813   </tr>
 814
 815   <tr>
 816     <td valign="top"><a href="../www/command-line-options.html#loop">-loop <em class="option">iterations</em></a></td>
 817     <td valign="top">add Netscape loop extension to your GIF animation</td>
 818   </tr>
 819
 820   <tr>
 821     <td valign="top"><a href="../www/command-line-options.html#mask">-mask <em class="option">filename</em></a></td>
 822     <td valign="top">associate a mask with the image</td>
 823   </tr>
 824
 825   <tr>
 826     <td valign="top"><a href="../www/command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td>
 827     <td valign="top">frame color</td>
 828   </tr>
 829
 830   <tr>
 831     <td valign="top"><a href="../www/command-line-options.html#median">-median <em class="option">radius</em></a></td>
 832     <td valign="top">apply a median filter to the image</td>
 833   </tr>
 834
 835   <tr>
 836     <td valign="top"><a href="../www/command-line-options.html#modulate">-modulate <em class="option">value</em></a></td>
 837     <td valign="top">vary the brightness, saturation, and hue</td>
 838   </tr>
 839
 840   <tr>
 841     <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
 842     <td valign="top">monitor progress</td>
 843   </tr>
 844
 845   <tr>
 846     <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
 847     <td valign="top">transform image to black and white</td>
 848   </tr>
 849
 850   <tr>
 851     <td valign="top"><a href="../www/command-line-options.html#morph">-morph <em class="option">value</em></a></td>
 852     <td valign="top">morph an image sequence</td>
 853   </tr>
 854
 855   <tr>
 856     <td valign="top"><a href="../www/command-line-options.html#morphology">-morphology <em class="option">method</em></a> <em class="option">kernel</em></td>
 857     <td valign="top">apply a morphology method to the image</td>
 858   </tr>
 859
 860   <tr>
 861     <td valign="top"><a href="../www/command-line-options.html#motion-blur">-motion-blur <em class="option">geometry</em></a></td>
 862     <td valign="top">simulate motion blur</td>
 863   </tr>
 864
 865   <tr>
 866     <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
 867     <td valign="top">replace each pixel with its complementary color </td>
 868   </tr>
 869
 870   <tr>
 871     <td valign="top"><a href="../www/command-line-options.html#noise">-noise <em class="option">radius</em></a></td>
 872     <td valign="top">add or reduce noise in an image</td>
 873   </tr>
 874
 875   <tr>
 876     <td valign="top"><a href="../www/command-line-options.html#normalize">-normalize</a></td>
 877     <td valign="top">transform image to span the full range of colors</td>
 878   </tr>
 879
 880   <tr>
 881     <td valign="top"><a href="../www/command-line-options.html#opaque">-opaque <em class="option">color</em></a></td>
 882     <td valign="top">change this color to the fill color</td>
 883   </tr>
 884
 885   <tr>
 886     <td valign="top"><a href="../www/command-line-options.html#ordered-dither">-ordered-dither <em class="option">NxN</em></a></td>
 887     <td valign="top">ordered dither the image</td>
 888   </tr>
 889
 890   <tr>
 891     <td valign="top"><a href="../www/command-line-options.html#orient">-orient <em class="option">type</em></a></td>
 892     <td valign="top">image orientation</td>
 893   </tr>
 894
 895   <tr>
 896     <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
 897     <td valign="top">size and location of an image canvas (setting)</td>
 898   </tr>
 899
 900   <tr>
 901     <td valign="top"><a href="../www/command-line-options.html#paint">-paint <em class="option">radius</em></a></td>
 902     <td valign="top">simulate an oil painting</td>
 903   </tr>
 904
 905   <tr>
 906     <td valign="top"><a href="../www/command-line-options.html#ping">-ping</a></td>
 907     <td valign="top">efficiently determine image attributes</td>
 908   </tr>
 909
 910   <tr>
 911     <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
 912     <td valign="top">font point size</td>
 913   </tr>
 914
 915   <tr>
 916     <td valign="top"><a href="../www/command-line-options.html#polaroid">-polaroid <em class="option">angle</em></a></td>
 917     <td valign="top">simulate a Polaroid picture</td>
 918   </tr>
 919
 920   <tr>
 921     <td valign="top"><a href="../www/command-line-options.html#posterize">-posterize <em class="option">levels</em></a></td>
 922     <td valign="top">reduce the image to a limited number of color levels</td>
 923   </tr>
 924
 925   <tr>
 926     <td valign="top"><a href="../www/command-line-options.html#precision">-precision <em class="option">value</em></a></td>
 927     <td valign="top">set the maximum number of significant digits to be printed</td>
 928   </tr>
 929
 930   <tr>
 931     <td valign="top"><a href="../www/command-line-options.html#preview">-preview <em class="option">type</em></a></td>
 932     <td valign="top">image preview type</td>
 933   </tr>
 934
 935   <tr>
 936     <td valign="top"><a href="../www/command-line-options.html#print">-print <em class="option">string</em></a></td>
 937     <td valign="top">interpret string and print to console</td>
 938   </tr>
 939
 940   <tr>
 941     <td valign="top"><a href="../www/command-line-options.html#process">-process <em class="option">image-filter</em></a></td>
 942     <td valign="top">process the image with a custom image filter</td>
 943   </tr>
 944
 945   <tr>
 946     <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
 947     <td valign="top">add, delete, or apply an image profile</td>
 948   </tr>
 949
 950   <tr>
 951     <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
 952     <td valign="top">JPEG/MIFF/PNG compression level</td>
 953   </tr>
 954
 955   <tr>
 956     <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
 957     <td valign="top">reduce image colors in this colorspace</td>
 958   </tr>
 959
 960   <tr>
 961     <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
 962     <td valign="top">suppress all warning messages</td>
 963   </tr>
 964
 965   <tr>
 966     <td valign="top"><a href="../www/command-line-options.html#radial-blur">-radial-blur <em class="option">angle</em></a></td>
 967     <td valign="top">radial blur the image</td>
 968   </tr>
 969
 970   <tr>
 971     <td valign="top"><a href="../www/command-line-options.html#raise">-raise <em class="option">value</em></a></td>
 972     <td valign="top">lighten/darken image edges to create a 3-D effect</td>
 973   </tr>
 974
 975   <tr>
 976     <td valign="top"><a href="../www/command-line-options.html#random-threshold">-random-threshold <em class="option">low,high</em></a></td>
 977     <td valign="top">random threshold the image</td>
 978   </tr>
 979
 980   <tr>
 981     <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
 982     <td valign="top">chromaticity red primary point</td>
 983   </tr>
 984
 985   <tr>
 986     <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
 987     <td valign="top">pay attention to warning messages.</td>
 988   </tr>
 989
 990   <tr>
 991     <td valign="top"><a href="../www/command-line-options.html#region">-region <em class="option">geometry</em></a></td>
 992     <td valign="top">apply options to a portion of the image</td>
 993   </tr>
 994
 995   <tr>
 996     <td valign="top"><a href="../www/command-line-options.html#remap">-remap <em class="option">filename</em></a></td>
 997     <td valign="top">transform image colors to match this set of colors</td>
 998   </tr>
 999
1000   <tr>
1001     <td valign="top"><a href="../www/command-line-options.html#render">-render</a></td>
1002     <td valign="top">render vector graphics</td>
1003   </tr>
1004
1005   <tr>
1006     <td valign="top"><a href="../www/command-line-options.html#repage">-repage <em class="option">geometry</em></a></td>
1007     <td valign="top">size and location of an image canvas</td>
1008   </tr>
1009
1010   <tr>
1011     <td valign="top"><a href="../www/command-line-options.html#resample">-resample <em class="option">geometry</em></a></td>
1012     <td valign="top">change the resolution of an image</td>
1013   </tr>
1014
1015   <tr>
1016     <td valign="top"><a href="../www/command-line-options.html#resize">-resize <em class="option">geometry</em></a></td>
1017     <td valign="top">resize the image</td>
1018   </tr>
1019
1020   <tr>
1021     <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
1022     <td valign="top">settings remain in effect until parenthesis boundary.</td>
1023   </tr>
1024
1025   <tr>
1026     <td valign="top"><a href="../www/command-line-options.html#roll">-roll <em class="option">geometry</em></a></td>
1027     <td valign="top">roll an image vertically or horizontally</td>
1028   </tr>
1029
1030   <tr>
1031     <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
1032     <td valign="top">apply Paeth rotation to the image</td>
1033   </tr>
1034
1035   <tr>
1036     <td valign="top"><a href="../www/command-line-options.html#sample">-sample <em class="option">geometry</em></a></td>
1037     <td valign="top">scale image with pixel sampling</td>
1038   </tr>
1039
1040   <tr>
1041     <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
1042     <td valign="top">horizontal and vertical sampling factor</td>
1043   </tr>
1044
1045   <tr>
1046     <td valign="top"><a href="../www/command-line-options.html#scale">-scale <em class="option">geometry</em></a></td>
1047     <td valign="top">scale the image</td>
1048   </tr>
1049
1050   <tr>
1051     <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
1052     <td valign="top">image scene number</td>
1053   </tr>
1054
1055   <tr>
1056     <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
1057     <td valign="top">seed a new sequence of pseudo-random numbers</td>
1058   </tr>
1059
1060   <tr>
1061     <td valign="top"><a href="../www/command-line-options.html#segment">-segment <em class="option">values</em></a></td>
1062     <td valign="top">segment an image</td>
1063   </tr>
1064
1065   <tr>
1066     <td valign="top"><a href="../www/command-line-options.html#threshold">-selective-blur <em class="option">geometry</em></a></td>
1067     <td valign="top">selectively blur pixels within a contrast threshold</td>
1068   </tr>
1069
1070   <tr>
1071     <td valign="top"><a href="../www/command-line-options.html#separate">-separate</a></td>
1072     <td valign="top">separate an image channel into a grayscale image</td>
1073   </tr>
1074
1075   <tr>
1076     <td valign="top"><a href="../www/command-line-options.html#sepia-tone">-sepia-tone <em class="option">threshold</em></a></td>
1077     <td valign="top">simulate a sepia-toned photo</td>
1078   </tr>
1079
1080   <tr>
1081     <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
1082     <td valign="top">set an image attribute</td>
1083   </tr>
1084
1085   <tr>
1086     <td valign="top"><a href="../www/command-line-options.html#shade">-shade <em class="option">degrees</em></a></td>
1087     <td valign="top">shade the image using a distant light source</td>
1088   </tr>
1089
1090   <tr>
1091     <td valign="top"><a href="../www/command-line-options.html#shadow">-shadow <em class="option">geometry</em></a></td>
1092     <td valign="top">simulate an image shadow</td>
1093   </tr>
1094
1095   <tr>
1096     <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
1097     <td valign="top">sharpen the image</td>
1098   </tr>
1099
1100   <tr>
1101     <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
1102     <td valign="top">shave pixels from the image edges</td>
1103   </tr>
1104
1105   <tr>
1106     <td valign="top"><a href="../www/command-line-options.html#shear">-shear <em class="option">geometry</em></a></td>
1107     <td valign="top">slide one edge of the image along the X or Y axis</td>
1108   </tr>
1109
1110   <tr>
1111     <td valign="top"><a href="../www/command-line-options.html#sigmoidal">-sigmoidal-contrast <em class="option">geometry</em></a></td>
1112     <td valign="top">increase the contrast without saturating highlights or shadows</td>
1113   </tr>
1114
1115   <tr>
1116     <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
1117     <td valign="top">width and height of image</td>
1118   </tr>
1119
1120   <tr>
1121     <td valign="top"><a href="../www/command-line-options.html#sketch">-sketch <em class="option">geometry</em></a></td>
1122     <td valign="top">simulate a pencil sketch</td>
1123   </tr>
1124
1125   <tr>
1126     <td valign="top"><a href="../www/command-line-options.html#smush">-smush <em class="option">offset</em></a></td>
1127     <td valign="top">smush an image sequence together</td>
1128   </tr>
1129
1130   <tr>
1131     <td valign="top"><a href="../www/command-line-options.html#solarize">-solarize <em class="option">threshold</em></a></td>
1132     <td valign="top">negate all pixels above the threshold level</td>
1133   </tr>
1134
1135   <tr>
1136     <td valign="top"><a href="../www/command-line-options.html#splice">-splice <em class="option">geometry</em></a></td>
1137     <td valign="top">splice the background color into the image</td>
1138   </tr>
1139
1140   <tr>
1141     <td valign="top"><a href="../www/command-line-options.html#spread">-spread <em class="option">radius</em></a></td>
1142     <td valign="top">displace image pixels by a random amount</td>
1143   </tr>
1144
1145   <tr>
1146     <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
1147     <td valign="top">strip image of all profiles and comments</td>
1148   </tr>
1149
1150   <tr>
1151     <td valign="top"><a href="../www/command-line-options.html#stroke">-stroke <em class="option">color</em></a></td>
1152     <td valign="top">graphic primitive stroke color</td>
1153   </tr>
1154
1155   <tr>
1156     <td valign="top"><a href="../www/command-line-options.html#strokewidth">-strokewidth <em class="option">value</em></a></td>
1157     <td valign="top">graphic primitive stroke width</td>
1158   </tr>
1159
1160   <tr>
1161     <td valign="top"><a href="../www/command-line-options.html#stretch">-stretch <em class="option">type</em></a></td>
1162     <td valign="top">render text with this font stretch</td>
1163   </tr>
1164
1165   <tr>
1166     <td valign="top"><a href="../www/command-line-options.html#style">-style <em class="option">type</em></a></td>
1167     <td valign="top">render text with this font style</td>
1168   </tr>
1169
1170   <tr>
1171     <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
1172     <td valign="top">swap two images in the image sequence</td>
1173   </tr>
1174
1175   <tr>
1176     <td valign="top"><a href="../www/command-line-options.html#swirl">-swirl <em class="option">degrees</em></a></td>
1177     <td valign="top">swirl image pixels about the center</td>
1178   </tr>
1179
1180   <tr>
1181     <td valign="top"><a href="../www/command-line-options.html#synchronize">-synchronize</a></td>
1182     <td valign="top">synchronize image to storage device</td>
1183   </tr>
1184
1185   <tr>
1186     <td valign="top"><a href="../www/command-line-options.html#texture">-texture <em class="option">filename</em></a></td>
1187     <td valign="top">name of texture to tile onto the image background</td>
1188   </tr>
1189
1190   <tr>
1191     <td valign="top"><a href="../www/command-line-options.html#threshold">-threshold <em class="option">value</em></a></td>
1192     <td valign="top">threshold the image</td>
1193   </tr>
1194
1195   <tr>
1196     <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
1197     <td valign="top">create a thumbnail of the image</td>
1198   </tr>
1199
1200   <tr>
1201     <td valign="top"><a href="../www/command-line-options.html#tile">-tile <em class="option">filename</em></a></td>
1202     <td valign="top">tile image when filling a graphic primitive</td>
1203   </tr>
1204
1205   <tr>
1206     <td valign="top"><a href="../www/command-line-options.html#tile-offset">-tile-offset <em class="option">geometry</em></a></td>
1207     <td valign="top">set the image tile offset</td>
1208   </tr>
1209
1210   <tr>
1211     <td valign="top"><a href="../www/command-line-options.html#tint">-tint <em class="option">value</em></a></td>
1212     <td valign="top">tint the image with the fill color</td>
1213   </tr>
1214
1215   <tr>
1216     <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
1217     <td valign="top">affine transform image</td>
1218   </tr>
1219
1220   <tr>
1221     <td valign="top"><a href="../www/command-line-options.html#transparent">-transparent <em class="option">color</em></a></td>
1222     <td valign="top">make this color transparent within the image</td>
1223   </tr>
1224
1225   <tr>
1226     <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
1227     <td valign="top">transparent color</td>
1228   </tr>
1229
1230   <tr>
1231     <td valign="top"><a href="../www/command-line-options.html#transpose">-transpose</a></td>
1232     <td valign="top">flip image in the vertical direction and rotate 90 degrees</td>
1233   </tr>
1234
1235   <tr>
1236     <td valign="top"><a href="../www/command-line-options.html#transverse">-transverse</a></td>
1237     <td valign="top">flop image in the horizontal direction and rotate 270 degrees</td>
1238   </tr>
1239
1240   <tr>
1241     <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
1242     <td valign="top">color tree depth</td>
1243   </tr>
1244
1245   <tr>
1246     <td valign="top"><a href="../www/command-line-options.html#trim">-trim</a></td>
1247     <td valign="top">trim image edges</td>
1248   </tr>
1249
1250   <tr>
1251     <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
1252     <td valign="top">image type</td>
1253   </tr>
1254
1255   <tr>
1256     <td valign="top"><a href="../www/command-line-options.html#undercolor">-undercolor <em class="option">color</em></a></td>
1257     <td valign="top">annotation bounding box color</td>
1258   </tr>
1259
1260   <tr>
1261     <td valign="top"><a href="../www/command-line-options.html#unique-colors">-unique-colors</a></td>
1262     <td valign="top">discard all but one of any pixel color.</td>
1263   </tr>
1264
1265   <tr>
1266     <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
1267     <td valign="top">the units of image resolution</td>
1268   </tr>
1269
1270   <tr>
1271     <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
1272     <td valign="top">sharpen the image</td>
1273   </tr>
1274
1275   <tr>
1276     <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
1277     <td valign="top">print detailed information about the image</td>
1278   </tr>
1279
1280   <tr>
1281     <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
1282     <td valign="top">print version information</td>
1283   </tr>
1284
1285   <tr>
1286     <td valign="top"><a href="../www/command-line-options.html#view">-view</a></td>
1287     <td valign="top">FlashPix viewing transforms</td>
1288   </tr>
1289
1290   <tr>
1291     <td valign="top"><a href="../www/command-line-options.html#vignette">-vignette <em class="option">geometry</em></a></td>
1292     <td valign="top">soften the edges of the image in vignette style</td>
1293   </tr>
1294
1295   <tr>
1296     <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
1297     <td valign="top">access method for pixels outside the boundaries of the image</td>
1298   </tr>
1299
1300   <tr>
1301     <td valign="top"><a href="../www/command-line-options.html#wave">-wave <em class="option">geometry</em></a></td>
1302     <td valign="top">alter an image along a sine wave</td>
1303   </tr>
1304
1305   <tr>
1306     <td valign="top"><a href="../www/command-line-options.html#weight">-weight <em class="option">type</em></a></td>
1307     <td valign="top">render text with this font weight</td>
1308   </tr>
1309
1310   <tr>
1311     <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
1312     <td valign="top">chromaticity white point</td>
1313   </tr>
1314
1315   <tr>
1316     <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
1317     <td valign="top">force all pixels above the threshold into white</td>
1318   </tr>
1319
1320   <tr>
1321     <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
1322     <td valign="top">write images to this file</td>
1323   </tr>
1324
1325   </tbody>
1326 </table>
1327
1328 </div>
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