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 153 \r
 154 \r
 155 </div>\r
 156 \r
 157 <div class="main">\r
 158 \r
 159 <p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
 160
 161 <div class="doc-section">
 162 <p>Use the <kbd>mogrify</kbd> program to resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.   This tool is similiar to <a href="../www/convert.html">convert</a> except that the original image file is overwritten (unless you change the file suffix with the <a href="../www/command-line-options.html#format">-format</a> option) with any changes you request.  See <a href="../www/command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>mogrify</kbd> command or see below for sample usages of the command.</p>
 163 </div>
 164
 165 <h2><a name="usage"></a>Example Usage</h2>
 166 <div class="doc-section">
 167
 168 <p>We list a few examples of the <kbd>mogrify</kbd> command here to illustrate its usefulness and ease of use.  To get started, lets reduce the size of our
 169 rose:</p>
 170
 171 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 50% rose.jpg</span></p>
 172 <p class="image">
 173   <a href="../images/rose.jpg">
 174   <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
 175   </a>
 176   <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
 177   <a href="../images/rose.png">
 178   <img style="margin-top:12px; margin-bottom: 11px;" src="../images/rose.png" width="35" height="23" alt="rose" />
 179   </a>
 180 </p>
 181
 182 <p>You can resize all your JPEG images in a folder to a maximum dimension of 256x256 with this command:</p>
 183
 184 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 256x256 *.jpg</span></p>
 185 <p>Finally, we convert all our PNG images to the JPEG format:</p>
 186
 187 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -format jpg *.png</span></p>
 188 <p>Here image files 1.png, 2.png, etc., are left untouched and files 1.jpg, 2.jpg, etc., are created.  They are copies of their respective PNG images except are stored  in the JPEG image format.</p>
 189
 190
 191 <p>You can find additional examples of using <kbd>mogrify</kbd> in <a href="http://www-106.ibm.com/developerworks/library/l-graf/?ca=dnt-428">Graphics from the Command Line</a>.  Further discussion is available in  <a href="http://www-106.ibm.com/developerworks/library/l-graf2/?ca=dgr-lnxw15GraphicsLine">More Graphics from the Command Line</a> and <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
 192
 193 </div>
 194
 195 <h2><a name="options"></a>Option Summary</h2>
 196 <div class="doc-section">
 197
 198 <p>The <kbd>mogrify</kbd> command recognizes these options.  Click on an option to get more details about how that option works.</p>
 199
 200 <table class="doc">
 201   <tbody>
 202   <tr>
 203     <th align="left">Option</th>
 204     <th align="left">Description</th>
 205   </tr>
 206
 207   <tr>
 208     <td valign="top"><a href="../www/command-line-options.html#adaptive-blur">-adaptive-blur <em class="option">geometry</em></a></td>
 209     <td valign="top">adaptively blur pixels; decrease effect near edges</td>
 210   </tr>
 211
 212   <tr>
 213     <td valign="top"><a href="../www/command-line-options.html#adaptive-resize">-adaptive-resize <em class="option">geometry</em></a></td>
 214     <td valign="top">adaptively resize image with data dependent triangulation.</td>
 215   </tr>
 216
 217   <tr>
 218     <td valign="top"><a href="../www/command-line-options.html#adaptive-sharpen">-adaptive-sharpen <em class="option">geometry</em></a></td>
 219     <td valign="top">adaptively sharpen pixels; increase effect near edges</td>
 220   </tr>
 221
 222   <tr>
 223     <td valign="top"><a href="../www/command-line-options.html#adjoin">-adjoin</a></td>
 224     <td valign="top">join images into a single multi-image file</td>
 225   </tr>
 226
 227   <tr>
 228     <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
 229     <td valign="top">affine transform matrix</td>
 230   </tr>
 231
 232   <tr>
 233     <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
 234     <td valign="top">on, activate, off, deactivate, set, opaque, copy",
 235 transparent, extract, background, or shape the alpha channel</td>
 236   </tr>
 237
 238   <tr>
 239     <td valign="top"><a href="../www/command-line-options.html#annotate">-annotate <em class="option">geometry text</em></a></td>
 240     <td valign="top">annotate the image with text</td>
 241   </tr>
 242
 243   <tr>
 244     <td valign="top"><a href="../www/command-line-options.html#antialias">-antialias</a></td>
 245     <td valign="top">remove pixel-aliasing</td>
 246   </tr>
 247
 248   <tr>
 249     <td valign="top"><a href="../www/command-line-options.html#append">-append</a></td>
 250     <td valign="top">append an image sequence</td>
 251   </tr>
 252
 253   <tr>
 254     <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
 255     <td valign="top">decipher image with this password</td>
 256   </tr>
 257
 258   <tr>
 259     <td valign="top"><a href="../www/command-line-options.html#auto-gamma">-auto-gamma</a></td>
 260     <td valign="top">automagically adjust gamma level of image</td>
 261   </tr>
 262
 263   <tr>
 264     <td valign="top"><a href="../www/command-line-options.html#auto-level">-auto-level</a></td>
 265     <td valign="top">automagically adjust color levels of image</td>
 266   </tr>
 267
 268   <tr>
 269     <td valign="top"><a href="../www/command-line-options.html#auto-orient">-auto-orient</a></td>
 270     <td valign="top">automagically orient image</td>
 271   </tr>
 272
 273   <tr>
 274     <td valign="top"><a href="../www/command-line-options.html#background">-background <em class="option">color</em></a></td>
 275     <td valign="top">background color</td>
 276   </tr>
 277
 278   <tr>
 279     <td valign="top"><a href="../www/command-line-options.html#bench">-bench <em class="option">iterations</em></a></td>
 280     <td valign="top">measure performance</td>
 281   </tr>
 282
 283   <tr>
 284     <td valign="top"><a href="../www/command-line-options.html#bias">-bias <em class="option">value</em></a></td>
 285     <td valign="top">add bias when convolving an image</td>
 286   </tr>
 287
 288   <tr>
 289     <td valign="top"><a href="../www/command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td>
 290     <td valign="top">force all pixels below the threshold into black</td>
 291   </tr>
 292
 293   <tr>
 294     <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
 295     <td valign="top">chromaticity blue primary point</td>
 296   </tr>
 297
 298   <tr>
 299     <td valign="top"><a href="../www/command-line-options.html#blue-shift">-blue-shift  <em class="option">factor</em></a></td>
 300     <td valign="top">simulate a scene at nighttime in the moonlight</td>
 301   </tr>
 302
 303   <tr>
 304     <td valign="top"><a href="../www/command-line-options.html#blur">-blur <em class="option">geometry</em></a></td>
 305     <td valign="top">reduce image noise and reduce detail levels</td>
 306   </tr>
 307
 308   <tr>
 309     <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
 310     <td valign="top">surround image with a border of color</td>
 311   </tr>
 312
 313   <tr>
 314     <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
 315     <td valign="top">border color</td>
 316   </tr>
 317
 318   <tr>
 319     <td valign="top"><a href="../www/command-line-options.html#brightness-contrast">-brightness-contrast <em class="option">geometry</em></a></td>
 320     <td valign="top">improve brightness / contrast of the image</td>
 321   </tr>
 322
 323   <tr>
 324     <td valign="top"><a href="../www/command-line-options.html#caption">-caption <em class="option">string</em></a></td>
 325     <td valign="top">assign a caption to an image</td>
 326   </tr>
 327
 328   <tr>
 329     <td valign="top"><a href="../www/command-line-options.html#cdl">-cdl <em class="option">filename</em></a></td>
 330     <td valign="top">color correct with a color decision list</td>
 331   </tr>
 332
 333   <tr>
 334     <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
 335     <td valign="top">apply option to select image channels</td>
 336   </tr>
 337
 338   <tr>
 339     <td valign="top"><a href="../www/command-line-options.html#charcoal">-charcoal <em class="option">radius</em></a></td>
 340     <td valign="top">simulate a charcoal drawing</td>
 341   </tr>
 342
 343   <tr>
 344     <td valign="top"><a href="../www/command-line-options.html#chop">-chop <em class="option">geometry</em></a></td>
 345     <td valign="top">remove pixels from the image interior</td>
 346   </tr>
 347
 348   <tr>
 349     <td valign="top"><a href="../www/command-line-options.html#clip">-clip</a></td>
 350     <td valign="top">clip along the first path from the 8BIM profile</td>
 351   </tr>
 352
 353   <tr>
 354     <td valign="top"><a href="../www/command-line-options.html#clamp">-clamp</a></td>
 355     <td valign="top">restrict colors from 0 to the quantum depth</td>
 356   </tr>
 357
 358   <tr>
 359     <td valign="top"><a href="../www/command-line-options.html#clip-mask">-clip-mask</a> <em class="option">filename</em></td>
 360     <td valign="top">associate clip mask with the image</td>
 361   </tr>
 362
 363   <tr>
 364     <td valign="top"><a href="../www/command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td>
 365     <td valign="top">clip along a named path from the 8BIM profile</td>
 366   </tr>
 367
 368   <tr>
 369     <td valign="top"><a href="../www/command-line-options.html#clone">-clone <em class="option">index</em></a></td>
 370     <td valign="top">clone an image</td>
 371   </tr>
 372
 373   <tr>
 374     <td valign="top"><a href="../www/command-line-options.html#clut">-clut</a></td>
 375     <td valign="top">apply a color lookup table to the image</td>
 376   </tr>
 377
 378   <tr>
 379     <td valign="top"><a href="../www/command-line-options.html#contrast-stretch">-contrast-stretch <em class="option">geometry</em></a></td>
 380     <td valign="top">improve the contrast in an image by `stretching' the range of intensity value</td>
 381   </tr>
 382
 383   <tr>
 384     <td valign="top"><a href="../www/command-line-options.html#coalesce">-coalesce</a></td>
 385     <td valign="top">merge a sequence of images</td>
 386   </tr>
 387
 388   <tr>
 389     <td valign="top"><a href="../www/command-line-options.html#colorize">-colorize <em class="option">value</em></a></td>
 390     <td valign="top">colorize the image with the fill color</td>
 391   </tr>
 392
 393   <tr>
 394     <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
 395     <td valign="top">preferred number of colors in the image</td>
 396   </tr>
 397
 398   <tr>
 399     <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
 400     <td valign="top">set image colorspace</td>
 401   </tr>
 402
 403   <tr>
 404     <td valign="top"><a href="../www/command-line-options.html#combine">-combine</a></td>
 405     <td valign="top">combine a sequence of images</td>
 406   </tr>
 407
 408   <tr>
 409     <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
 410     <td valign="top">annotate image with comment</td>
 411   </tr>
 412
 413   <tr>
 414     <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
 415     <td valign="top">set image composite operator</td>
 416   </tr>
 417
 418   <tr>
 419     <td valign="top"><a href="../www/command-line-options.html#composite">-composite</a></td>
 420     <td valign="top">composite image</td>
 421   </tr>
 422
 423   <tr>
 424     <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
 425     <td valign="top">image compression type</td>
 426   </tr>
 427
 428   <tr>
 429     <td valign="top"><a href="../www/command-line-options.html#contrast">-contrast</a></td>
 430     <td valign="top">enhance or reduce the image contrast</td>
 431   </tr>
 432
 433   <tr>
 434     <td valign="top"><a href="../www/command-line-options.html#convolve">-convolve <em class="option">coefficients</em></a></td>
 435     <td valign="top">apply a convolution kernel to the image</td>
 436   </tr>
 437
 438   <tr>
 439     <td valign="top"><a href="../www/command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
 440     <td valign="top">crop the image</td>
 441   </tr>
 442
 443   <tr>
 444     <td valign="top"><a href="../www/command-line-options.html#cycle">-cycle <em class="option">amount</em></a></td>
 445     <td valign="top">cycle the image colormap</td>
 446   </tr>
 447
 448   <tr>
 449     <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
 450     <td valign="top">convert cipher pixels to plain</td>
 451   </tr>
 452
 453   <tr>
 454     <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
 455     <td valign="top">display copious debugging information</td>
 456   </tr>
 457
 458   <tr>
 459     <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
 460     <td valign="top">define one or more image format options</td>
 461   </tr>
 462
 463   <tr>
 464     <td valign="top"><a href="../www/command-line-options.html#deconstruct">-deconstruct</a></td>
 465     <td valign="top">break down an image sequence into constituent parts</td>
 466   </tr>
 467
 468   <tr>
 469     <td valign="top"><a href="../www/command-line-options.html#delay">-delay <em class="option">value</em></a></td>
 470     <td valign="top">display the next image after pausing</td>
 471   </tr>
 472
 473   <tr>
 474     <td valign="top"><a href="../www/command-line-options.html#delete">-delete <em class="option">index</em></a></td>
 475     <td valign="top">delete the image from the image sequence</td>
 476   </tr>
 477
 478   <tr>
 479     <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
 480     <td valign="top">horizontal and vertical density of the image</td>
 481   </tr>
 482
 483   <tr>
 484     <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
 485     <td valign="top">image depth</td>
 486   </tr>
 487
 488   <tr>
 489     <td valign="top"><a href="../www/command-line-options.html#despeckle">-despeckle</a></td>
 490     <td valign="top">reduce the speckles within an image</td>
 491   </tr>
 492
 493   <tr>
 494     <td valign="top"><a href="../www/command-line-options.html#display">-display <em class="option">server</em></a></td>
 495     <td valign="top">get image or font from this X server</td>
 496   </tr>
 497
 498   <tr>
 499     <td valign="top"><a href="../www/command-line-options.html#dispose">-dispose <em class="option">method</em></a></td>
 500     <td valign="top">layer disposal method</td>
 501   </tr>
 502
 503   <tr>
 504     <td valign="top"><a href="../www/command-line-options.html#distort">-distort <em class="option">type coefficients</em></a></td>
 505     <td valign="top">distort image</td>
 506   </tr>
 507
 508   <tr>
 509     <td valign="top"><a href="../www/command-line-options.html#dither">-dither  <em class="option">method</em></a></td>
 510     <td valign="top">apply error diffusion to image</td>
 511   </tr>
 512
 513   <tr>
 514     <td valign="top"><a href="../www/command-line-options.html#draw">-draw <em class="option">string</em></a></td>
 515     <td valign="top">annotate the image with a graphic primitive</td>
 516   </tr>
 517
 518   <tr>
 519     <td valign="top"><a href="../www/command-line-options.html#edge">-edge <em class="option">radius</em></a></td>
 520     <td valign="top">apply a filter to detect edges in the image</td>
 521   </tr>
 522
 523   <tr>
 524     <td valign="top"><a href="../www/command-line-options.html#emboss">-emboss <em class="option">radius</em></a></td>
 525     <td valign="top">emboss an image</td>
 526   </tr>
 527
 528   <tr>
 529     <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
 530     <td valign="top">convert plain pixels to cipher pixels</td>
 531   </tr>
 532
 533   <tr>
 534     <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
 535     <td valign="top">text encoding type</td>
 536   </tr>
 537
 538   <tr>
 539     <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
 540     <td valign="top">endianness (MSB or LSB) of the image</td>
 541   </tr>
 542
 543   <tr>
 544     <td valign="top"><a href="../www/command-line-options.html#enhance">-enhance</a></td>
 545     <td valign="top">apply a digital filter to enhance a noisy image</td>
 546   </tr>
 547
 548   <tr>
 549     <td valign="top"><a href="../www/command-line-options.html#equalize">-equalize</a></td>
 550     <td valign="top">perform histogram equalization to an image</td>
 551   </tr>
 552
 553   <tr>
 554     <td valign="top"><a href="../www/command-line-options.html#evaluate">-evaluate <em class="option">operator value</em></a></td>
 555     <td valign="top">evaluate an arithmetic, relational, or logical expression</td>
 556   </tr>
 557
 558   <tr>
 559     <td valign="top"><a href="../www/command-line-options.html#evaluate-sequence">-evaluate-sequence <em class="option">operator</em></a></td>
 560     <td valign="top">evaluate an arithmetic, relational, or logical expression for an image sequence</td>
 561   </tr>
 562
 563   <tr>
 564     <td valign="top"><a href="../www/command-line-options.html#extent">-extent <em class="option">geometry</em></a></td>
 565     <td valign="top">set the image size</td>
 566   </tr>
 567
 568   <tr>
 569     <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
 570     <td valign="top">extract area from image</td>
 571   </tr>
 572
 573   <tr>
 574     <td valign="top"><a href="../www/command-line-options.html#family">-family <em class="option">name</em></a></td>
 575     <td valign="top">render text with this font family</td>
 576   </tr>
 577
 578   <tr>
 579     <td valign="top"><a href="../www/command-line-options.html#fft">-fft</a></td>
 580     <td valign="top">implements the discrete Fourier transform (DFT)</td>
 581   </tr>
 582
 583   <tr>
 584     <td valign="top"><a href="../www/command-line-options.html#fill">-fill <em class="option">color</em></a></td>
 585     <td valign="top">color to use when filling a graphic primitive</td>
 586   </tr>
 587
 588   <tr>
 589     <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
 590     <td valign="top">use this filter when resizing an image</td>
 591   </tr>
 592
 593   <tr>
 594     <td valign="top"><a href="../www/command-line-options.html#flatten">-flatten</a></td>
 595     <td valign="top">flatten a sequence of images</td>
 596   </tr>
 597
 598   <tr>
 599     <td valign="top"><a href="../www/command-line-options.html#flip">-flip</a></td>
 600     <td valign="top">flip image in the vertical direction</td>
 601   </tr>
 602
 603   <tr>
 604     <td valign="top"><a href="../www/command-line-options.html#floodfill">-floodfill <em class="option">geometry color</em></a></td>
 605     <td valign="top">floodfill the image with color</td>
 606   </tr>
 607
 608   <tr>
 609     <td valign="top"><a href="../www/command-line-options.html#flop">-flop</a></td>
 610     <td valign="top">flop image in the horizontal direction</td>
 611   </tr>
 612
 613   <tr>
 614     <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
 615     <td valign="top">render text with this font</td>
 616   </tr>
 617
 618   <tr>
 619     <td valign="top"><a href="../www/command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
 620     <td valign="top">output formatted image characteristics</td>
 621   </tr>
 622
 623   <tr>
 624     <td valign="top"><a href="../www/command-line-options.html#frame">-frame <em class="option">geometry</em></a></td>
 625     <td valign="top">surround image with an ornamental border</td>
 626   </tr>
 627
 628   <tr>
 629     <td valign="top"><a href="../www/command-line-options.html#function">-function <em class="option">name</em></a></td>
 630     <td valign="top">apply a function to the image</td>
 631   </tr>
 632
 633   <tr>
 634     <td valign="top"><a href="../www/command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td>
 635     <td valign="top">colors within this distance are considered equal</td>
 636   </tr>
 637
 638   <tr>
 639     <td valign="top"><a href="../www/command-line-options.html#fx">-fx <em class="option">expression</em></a></td>
 640     <td valign="top">apply mathematical expression to an image channel(s)</td>
 641   </tr>
 642
 643   <tr>
 644     <td valign="top"><a href="../www/command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
 645     <td valign="top">level of gamma correction</td>
 646   </tr>
 647
 648   <tr>
 649     <td valign="top"><a href="../www/command-line-options.html#gaussian-blur">-gaussian-blur <em class="option">geometry</em></a></td>
 650     <td valign="top">reduce image noise and reduce detail levels</td>
 651   </tr>
 652
 653   <tr>
 654     <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
 655     <td valign="top">preferred size or location of the image</td>
 656   </tr>
 657
 658   <tr>
 659     <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
 660     <td valign="top">horizontal and vertical text placement</td>
 661   </tr>
 662
 663   <tr>
 664     <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
 665     <td valign="top">chromaticity green primary point</td>
 666   </tr>
 667
 668   <tr>
 669     <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
 670     <td valign="top">print program options</td>
 671   </tr>
 672
 673   <tr>
 674     <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
 675     <td valign="top">identify the format and characteristics of the image</td>
 676   </tr>
 677
 678   <tr>
 679     <td valign="top"><a href="../www/command-line-options.html#ift">-ifft</a></td>
 680     <td valign="top">implements the inverse discrete Fourier transform (DFT)</td>
 681   </tr>
 682
 683   <tr>
 684     <td valign="top"><a href="../www/command-line-options.html#implode">-implode <em class="option">amount</em></a></td>
 685     <td valign="top">implode image pixels about the center</td>
 686   </tr>
 687
 688   <tr>
 689     <td valign="top"><a href="../www/command-line-options.html#insert">-insert <em class="option">index</em></a></td>
 690     <td valign="top">insert last image into the image sequence</td>
 691   </tr>
 692
 693   <tr>
 694     <td valign="top"><a href="../www/command-line-options.html#intent">-intent <em class="option">type</em></a></td>
 695     <td valign="top">type of rendering intent when managing the image color</td>
 696   </tr>
 697
 698   <tr>
 699     <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
 700     <td valign="top">type of image interlacing scheme</td>
 701   </tr>
 702
 703   <tr>
 704     <td valign="top"><a href="../www/command-line-options.html#interline-spacing">-interline-spacing <em class="option">value</em></a></td>
 705     <td valign="top">the space between two text lines</td>
 706   </tr>
 707
 708   <tr>
 709     <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
 710     <td valign="top">pixel color interpolation method</td>
 711   </tr>
 712
 713   <tr>
 714     <td valign="top"><a href="../www/command-line-options.html#interword-spacing">-interword-spacing <em class="option">value</em></a></td>
 715     <td valign="top">the space between two words</td>
 716   </tr>
 717
 718   <tr>
 719     <td valign="top"><a href="../www/command-line-options.html#kerning">-kerning <em class="option">value</em></a></td>
 720     <td valign="top">the space between two characters</td>
 721   </tr>
 722
 723   <tr>
 724     <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
 725     <td valign="top">assign a label to an image</td>
 726   </tr>
 727
 728   <tr>
 729     <td valign="top"><a href="../www/command-line-options.html#lat">-lat <em class="option">geometry</em></a></td>
 730     <td valign="top">local adaptive thresholding</td>
 731   </tr>
 732
 733   <tr>
 734     <td valign="top"><a href="../www/command-line-options.html#layers">-layers <em class="option">method</em></a></td>
 735     <td valign="top">optimize or compare image layers</td>
 736   </tr>
 737
 738   <tr>
 739     <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
 740     <td valign="top">adjust the level of image contrast</td>
 741   </tr>
 742
 743   <tr>
 744     <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
 745     <td valign="top">pixel cache resource limit</td>
 746   </tr>
 747
 748   <tr>
 749     <td valign="top"><a href="../www/command-line-options.html#linear-stretch">-linear-stretch <em class="option">geometry</em></a></td>
 750     <td valign="top">linear with saturation histogram stretch</td>
 751   </tr>
 752
 753   <tr>
 754     <td valign="top"><a href="../www/command-line-options.html#liquid-rescale">-liquid-rescale <em class="option">geometry</em></a></td>
 755     <td valign="top">rescale image with seam-carving</td>
 756   </tr>
 757
 758   <tr>
 759     <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
 760     <td valign="top">format of debugging information</td>
 761   </tr>
 762
 763   <tr>
 764     <td valign="top"><a href="../www/command-line-options.html#loop">-loop <em class="option">iterations</em></a></td>
 765     <td valign="top">add Netscape loop extension to your GIF animation</td>
 766   </tr>
 767
 768   <tr>
 769     <td valign="top"><a href="../www/command-line-options.html#mask">-mask <em class="option">filename</em></a></td>
 770     <td valign="top">associate a mask with the image</td>
 771   </tr>
 772
 773   <tr>
 774     <td valign="top"><a href="../www/command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td>
 775     <td valign="top">frame color</td>
 776   </tr>
 777
 778   <tr>
 779     <td valign="top"><a href="../www/command-line-options.html#median">-median <em class="option">radius</em></a></td>
 780     <td valign="top">apply a median filter to the image</td>
 781   </tr>
 782
 783   <tr>
 784     <td valign="top"><a href="../www/command-line-options.html#modulate">-modulate <em class="option">value</em></a></td>
 785     <td valign="top">vary the brightness, saturation, and hue</td>
 786   </tr>
 787
 788   <tr>
 789     <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
 790     <td valign="top">monitor progress</td>
 791   </tr>
 792
 793   <tr>
 794     <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
 795     <td valign="top">transform image to black and white</td>
 796   </tr>
 797
 798   <tr>
 799     <td valign="top"><a href="../www/command-line-options.html#morph">-morph <em class="option">value</em></a></td>
 800     <td valign="top">morph an image sequence</td>
 801   </tr>
 802
 803   <tr>
 804     <td valign="top"><a href="../www/command-line-options.html#morphology">-morphology <em class="option">method</em></a> <em class="option">kernel</em></td>
 805     <td valign="top">apply a morphology method to the image</td>
 806   </tr>
 807
 808   <tr>
 809     <td valign="top"><a href="../www/command-line-options.html#motion-blur">-motion-blur <em class="option">geometry</em></a></td>
 810     <td valign="top">simulate motion blur</td>
 811   </tr>
 812
 813   <tr>
 814     <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
 815     <td valign="top">replace each pixel with its complementary color </td>
 816   </tr>
 817
 818   <tr>
 819     <td valign="top"><a href="../www/command-line-options.html#noise">-noise <em class="option">radius</em></a></td>
 820     <td valign="top">add or reduce noise in an image</td>
 821   </tr>
 822
 823   <tr>
 824     <td valign="top"><a href="../www/command-line-options.html#normalize">-normalize</a></td>
 825     <td valign="top">transform image to span the full range of colors</td>
 826   </tr>
 827
 828   <tr>
 829     <td valign="top"><a href="../www/command-line-options.html#opaque">-opaque <em class="option">color</em></a></td>
 830     <td valign="top">change this color to the fill color</td>
 831   </tr>
 832
 833   <tr>
 834     <td valign="top"><a href="../www/command-line-options.html#ordered-dither">-ordered-dither <em class="option">NxN</em></a></td>
 835     <td valign="top">ordered dither the image</td>
 836   </tr>
 837
 838   <tr>
 839     <td valign="top"><a href="../www/command-line-options.html#orient">-orient <em class="option">type</em></a></td>
 840     <td valign="top">image orientation</td>
 841   </tr>
 842
 843   <tr>
 844     <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
 845     <td valign="top">size and location of an image canvas (setting)</td>
 846   </tr>
 847
 848   <tr>
 849     <td valign="top"><a href="../www/command-line-options.html#paint">-paint <em class="option">radius</em></a></td>
 850     <td valign="top">simulate an oil painting</td>
 851   </tr>
 852
 853   <tr>
 854     <td valign="top"><a href="../www/command-line-options.html#ping">-ping</a></td>
 855     <td valign="top">efficiently determine image attributes</td>
 856   </tr>
 857
 858   <tr>
 859     <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
 860     <td valign="top">font point size</td>
 861   </tr>
 862
 863   <tr>
 864     <td valign="top"><a href="../www/command-line-options.html#polaroid">-polaroid <em class="option">angle</em></a></td>
 865     <td valign="top">simulate a Polaroid picture</td>
 866   </tr>
 867
 868   <tr>
 869     <td valign="top"><a href="../www/command-line-options.html#posterize">-posterize <em class="option">levels</em></a></td>
 870     <td valign="top">reduce the image to a limited number of color levels</td>
 871   </tr>
 872
 873   <tr>
 874     <td valign="top"><a href="../www/command-line-options.html#precision">-precision <em class="option">value</em></a></td>
 875     <td valign="top">set the maximum number of significant digits to be printed</td>
 876   </tr>
 877
 878   <tr>
 879     <td valign="top"><a href="../www/command-line-options.html#preview">-preview <em class="option">type</em></a></td>
 880     <td valign="top">image preview type</td>
 881   </tr>
 882
 883   <tr>
 884     <td valign="top"><a href="../www/command-line-options.html#print">-print <em class="option">string</em></a></td>
 885     <td valign="top">interpret string and print to console</td>
 886   </tr>
 887
 888   <tr>
 889     <td valign="top"><a href="../www/command-line-options.html#process">-process <em class="option">image-filter</em></a></td>
 890     <td valign="top">process the image with a custom image filter</td>
 891   </tr>
 892
 893   <tr>
 894     <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
 895     <td valign="top">add, delete, or apply an image profile</td>
 896   </tr>
 897
 898   <tr>
 899     <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
 900     <td valign="top">JPEG/MIFF/PNG compression level</td>
 901   </tr>
 902
 903   <tr>
 904     <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
 905     <td valign="top">reduce image colors in this colorspace</td>
 906   </tr>
 907
 908   <tr>
 909     <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
 910     <td valign="top">suppress all warning messages</td>
 911   </tr>
 912
 913   <tr>
 914     <td valign="top"><a href="../www/command-line-options.html#radial-blur">-radial-blur <em class="option">angle</em></a></td>
 915     <td valign="top">radial blur the image</td>
 916   </tr>
 917
 918   <tr>
 919     <td valign="top"><a href="../www/command-line-options.html#raise">-raise <em class="option">value</em></a></td>
 920     <td valign="top">lighten/darken image edges to create a 3-D effect</td>
 921   </tr>
 922
 923   <tr>
 924     <td valign="top"><a href="../www/command-line-options.html#random-threshold">-random-threshold <em class="option">low,high</em></a></td>
 925     <td valign="top">random threshold the image</td>
 926   </tr>
 927
 928   <tr>
 929     <td valign="top"><a href="../www/command-line-options.html#recolor">-recolor <em class="option">matrix</em></a></td>
 930     <td valign="top">translate, scale, shear, or rotate image colors.</td>
 931   </tr>
 932
 933   <tr>
 934     <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
 935     <td valign="top">chromaticity red primary point</td>
 936   </tr>
 937
 938   <tr>
 939     <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
 940     <td valign="top">pay attention to warning messages.</td>
 941   </tr>
 942
 943   <tr>
 944     <td valign="top"><a href="../www/command-line-options.html#region">-region <em class="option">geometry</em></a></td>
 945     <td valign="top">apply options to a portion of the image</td>
 946   </tr>
 947
 948   <tr>
 949     <td valign="top"><a href="../www/command-line-options.html#remap">-remap <em class="option">filename</em></a></td>
 950     <td valign="top">transform image colors to match this set of colors</td>
 951   </tr>
 952
 953   <tr>
 954     <td valign="top"><a href="../www/command-line-options.html#render">-render</a></td>
 955     <td valign="top">render vector graphics</td>
 956   </tr>
 957
 958   <tr>
 959     <td valign="top"><a href="../www/command-line-options.html#repage">-repage <em class="option">geometry</em></a></td>
 960     <td valign="top">size and location of an image canvas</td>
 961   </tr>
 962
 963   <tr>
 964     <td valign="top"><a href="../www/command-line-options.html#resample">-resample <em class="option">geometry</em></a></td>
 965     <td valign="top">change the resolution of an image</td>
 966   </tr>
 967
 968   <tr>
 969     <td valign="top"><a href="../www/command-line-options.html#resize">-resize <em class="option">geometry</em></a></td>
 970     <td valign="top">resize the image</td>
 971   </tr>
 972
 973   <tr>
 974     <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
 975     <td valign="top">settings remain in effect until parenthesis boundary.</td>
 976   </tr>
 977
 978   <tr>
 979     <td valign="top"><a href="../www/command-line-options.html#roll">-roll <em class="option">geometry</em></a></td>
 980     <td valign="top">roll an image vertically or horizontally</td>
 981   </tr>
 982
 983   <tr>
 984     <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
 985     <td valign="top">apply Paeth rotation to the image</td>
 986   </tr>
 987
 988   <tr>
 989     <td valign="top"><a href="../www/command-line-options.html#sample">-sample <em class="option">geometry</em></a></td>
 990     <td valign="top">scale image with pixel sampling</td>
 991   </tr>
 992
 993   <tr>
 994     <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
 995     <td valign="top">horizontal and vertical sampling factor</td>
 996   </tr>
 997
 998   <tr>
 999     <td valign="top"><a href="../www/command-line-options.html#scale">-scale <em class="option">geometry</em></a></td>
1000     <td valign="top">scale the image</td>
1001   </tr>
1002
1003   <tr>
1004     <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
1005     <td valign="top">image scene number</td>
1006   </tr>
1007
1008   <tr>
1009     <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
1010     <td valign="top">seed a new sequence of pseudo-random numbers</td>
1011   </tr>
1012
1013   <tr>
1014     <td valign="top"><a href="../www/command-line-options.html#segment">-segment <em class="option">values</em></a></td>
1015     <td valign="top">segment an image</td>
1016   </tr>
1017
1018   <tr>
1019     <td valign="top"><a href="../www/command-line-options.html#threshold">-selective-blur <em class="option">geometry</em></a></td>
1020     <td valign="top">selectively blur pixels within a contrast threshold</td>
1021   </tr>
1022
1023   <tr>
1024     <td valign="top"><a href="../www/command-line-options.html#separate">-separate</a></td>
1025     <td valign="top">separate an image channel into a grayscale image</td>
1026   </tr>
1027
1028   <tr>
1029     <td valign="top"><a href="../www/command-line-options.html#sepia-tone">-sepia-tone <em class="option">threshold</em></a></td>
1030     <td valign="top">simulate a sepia-toned photo</td>
1031   </tr>
1032
1033   <tr>
1034     <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
1035     <td valign="top">set an image attribute</td>
1036   </tr>
1037
1038   <tr>
1039     <td valign="top"><a href="../www/command-line-options.html#shade">-shade <em class="option">degrees</em></a></td>
1040     <td valign="top">shade the image using a distant light source</td>
1041   </tr>
1042
1043   <tr>
1044     <td valign="top"><a href="../www/command-line-options.html#shadow">-shadow <em class="option">geometry</em></a></td>
1045     <td valign="top">simulate an image shadow</td>
1046   </tr>
1047
1048   <tr>
1049     <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
1050     <td valign="top">sharpen the image</td>
1051   </tr>
1052
1053   <tr>
1054     <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
1055     <td valign="top">shave pixels from the image edges</td>
1056   </tr>
1057
1058   <tr>
1059     <td valign="top"><a href="../www/command-line-options.html#shear">-shear <em class="option">geometry</em></a></td>
1060     <td valign="top">slide one edge of the image along the X or Y axis</td>
1061   </tr>
1062
1063   <tr>
1064     <td valign="top"><a href="../www/command-line-options.html#sigmoidal">-sigmoidal-contrast <em class="option">geometry</em></a></td>
1065     <td valign="top">increase the contrast without saturating highlights or shadows</td>
1066   </tr>
1067
1068   <tr>
1069     <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
1070     <td valign="top">width and height of image</td>
1071   </tr>
1072
1073   <tr>
1074     <td valign="top"><a href="../www/command-line-options.html#sketch">-sketch <em class="option">geometry</em></a></td>
1075     <td valign="top">simulate a pencil sketch</td>
1076   </tr>
1077
1078   <tr>
1079     <td valign="top"><a href="../www/command-line-options.html#solarize">-solarize <em class="option">threshold</em></a></td>
1080     <td valign="top">negate all pixels above the threshold level</td>
1081   </tr>
1082
1083   <tr>
1084     <td valign="top"><a href="../www/command-line-options.html#splice">-splice <em class="option">geometry</em></a></td>
1085     <td valign="top">splice the background color into the image</td>
1086   </tr>
1087
1088   <tr>
1089     <td valign="top"><a href="../www/command-line-options.html#spread">-spread <em class="option">radius</em></a></td>
1090     <td valign="top">displace image pixels by a random amount</td>
1091   </tr>
1092
1093   <tr>
1094     <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
1095     <td valign="top">strip image of all profiles and comments</td>
1096   </tr>
1097
1098   <tr>
1099     <td valign="top"><a href="../www/command-line-options.html#stroke">-stroke <em class="option">color</em></a></td>
1100     <td valign="top">graphic primitive stroke color</td>
1101   </tr>
1102
1103   <tr>
1104     <td valign="top"><a href="../www/command-line-options.html#strokewidth">-strokewidth <em class="option">value</em></a></td>
1105     <td valign="top">graphic primitive stroke width</td>
1106   </tr>
1107
1108   <tr>
1109     <td valign="top"><a href="../www/command-line-options.html#stretch">-stretch <em class="option">type</em></a></td>
1110     <td valign="top">render text with this font stretch</td>
1111   </tr>
1112
1113   <tr>
1114     <td valign="top"><a href="../www/command-line-options.html#style">-style <em class="option">type</em></a></td>
1115     <td valign="top">render text with this font style</td>
1116   </tr>
1117
1118   <tr>
1119     <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
1120     <td valign="top">swap two images in the image sequence</td>
1121   </tr>
1122
1123   <tr>
1124     <td valign="top"><a href="../www/command-line-options.html#swirl">-swirl <em class="option">degrees</em></a></td>
1125     <td valign="top">swirl image pixels about the center</td>
1126   </tr>
1127
1128   <tr>
1129     <td valign="top"><a href="../www/command-line-options.html#texture">-texture <em class="option">filename</em></a></td>
1130     <td valign="top">name of texture to tile onto the image background</td>
1131   </tr>
1132
1133   <tr>
1134     <td valign="top"><a href="../www/command-line-options.html#threshold">-threshold <em class="option">value</em></a></td>
1135     <td valign="top">threshold the image</td>
1136   </tr>
1137
1138   <tr>
1139     <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
1140     <td valign="top">create a thumbnail of the image</td>
1141   </tr>
1142
1143   <tr>
1144     <td valign="top"><a href="../www/command-line-options.html#tile">-tile <em class="option">filename</em></a></td>
1145     <td valign="top">tile image when filling a graphic primitive</td>
1146   </tr>
1147
1148   <tr>
1149     <td valign="top"><a href="../www/command-line-options.html#tile-offset">-tile-offset <em class="option">geometry</em></a></td>
1150     <td valign="top">set the image tile offset</td>
1151   </tr>
1152
1153   <tr>
1154     <td valign="top"><a href="../www/command-line-options.html#tint">-tint <em class="option">value</em></a></td>
1155     <td valign="top">tint the image with the fill color</td>
1156   </tr>
1157
1158   <tr>
1159     <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
1160     <td valign="top">affine transform image</td>
1161   </tr>
1162
1163   <tr>
1164     <td valign="top"><a href="../www/command-line-options.html#transparent">-transparent <em class="option">color</em></a></td>
1165     <td valign="top">make this color transparent within the image</td>
1166   </tr>
1167
1168   <tr>
1169     <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
1170     <td valign="top">transparent color</td>
1171   </tr>
1172
1173   <tr>
1174     <td valign="top"><a href="../www/command-line-options.html#transpose">-transpose</a></td>
1175     <td valign="top">flip image in the vertical direction and rotate 90 degrees</td>
1176   </tr>
1177
1178   <tr>
1179     <td valign="top"><a href="../www/command-line-options.html#transverse">-transverse</a></td>
1180     <td valign="top">flop image in the horizontal direction and rotate 270 degrees</td>
1181   </tr>
1182
1183   <tr>
1184     <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
1185     <td valign="top">color tree depth</td>
1186   </tr>
1187
1188   <tr>
1189     <td valign="top"><a href="../www/command-line-options.html#trim">-trim</a></td>
1190     <td valign="top">trim image edges</td>
1191   </tr>
1192
1193   <tr>
1194     <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
1195     <td valign="top">image type</td>
1196   </tr>
1197
1198   <tr>
1199     <td valign="top"><a href="../www/command-line-options.html#undercolor">-undercolor <em class="option">color</em></a></td>
1200     <td valign="top">annotation bounding box color</td>
1201   </tr>
1202
1203   <tr>
1204     <td valign="top"><a href="../www/command-line-options.html#unique-colors">-unique-colors</a></td>
1205     <td valign="top">discard all but one of any pixel color.</td>
1206   </tr>
1207
1208   <tr>
1209     <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
1210     <td valign="top">the units of image resolution</td>
1211   </tr>
1212
1213   <tr>
1214     <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
1215     <td valign="top">sharpen the image</td>
1216   </tr>
1217
1218   <tr>
1219     <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
1220     <td valign="top">print detailed information about the image</td>
1221   </tr>
1222
1223   <tr>
1224     <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
1225     <td valign="top">print version information</td>
1226   </tr>
1227
1228   <tr>
1229     <td valign="top"><a href="../www/command-line-options.html#view">-view</a></td>
1230     <td valign="top">FlashPix viewing transforms</td>
1231   </tr>
1232
1233   <tr>
1234     <td valign="top"><a href="../www/command-line-options.html#vignette">-vignette <em class="option">geometry</em></a></td>
1235     <td valign="top">soften the edges of the image in vignette style</td>
1236   </tr>
1237
1238   <tr>
1239     <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
1240     <td valign="top">access method for pixels outside the boundaries of the image</td>
1241   </tr>
1242
1243   <tr>
1244     <td valign="top"><a href="../www/command-line-options.html#wave">-wave <em class="option">geometry</em></a></td>
1245     <td valign="top">alter an image along a sine wave</td>
1246   </tr>
1247
1248   <tr>
1249     <td valign="top"><a href="../www/command-line-options.html#weight">-weight <em class="option">type</em></a></td>
1250     <td valign="top">render text with this font weight</td>
1251   </tr>
1252
1253   <tr>
1254     <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
1255     <td valign="top">chromaticity white point</td>
1256   </tr>
1257
1258   <tr>
1259     <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
1260     <td valign="top">force all pixels above the threshold into white</td>
1261   </tr>
1262
1263   <tr>
1264     <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
1265     <td valign="top">write images to this file</td>
1266   </tr>
1267
1268   </tbody>
1269 </table>
1270
1271 </div>
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