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 168 <p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
 169
 170 <div class="doc-section">
 171 <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>
 172 </div>
 173
 174 <h2><a name="usage"></a>Example Usage</h2>
 175 <div class="doc-section">
 176
 177 <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
 178 rose:</p>
 179
 180 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 50% rose.jpg</span></p>
 181 <p class="image">
 182   <a href="../images/rose.jpg">
 183   <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
 184   </a>
 185   <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
 186   <a href="../images/rose.png">
 187   <img style="margin-top:12px; margin-bottom: 11px;" src="../images/rose.png" width="35" height="23" alt="rose" />
 188   </a>
 189 </p>
 190
 191 <p>You can resize all your JPEG images in a folder to a maximum dimension of 256x256 with this command:</p>
 192
 193 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -resize 256x256 *.jpg</span></p>
 194 <p>Finally, we convert all our PNG images to the JPEG format:</p>
 195
 196 <p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>mogrify -format jpg *.png</span></p>
 197 <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>
 198
 199
 200 <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>
 201
 202 </div>
 203
 204 <h2><a name="options"></a>Option Summary</h2>
 205 <div class="doc-section">
 206
 207 <p>The <kbd>mogrify</kbd> command recognizes these options.  Click on an option to get more details about how that option works.</p>
 208
 209 <table class="doc">
 210   <tbody>
 211   <tr>
 212     <th align="left">Option</th>
 213     <th align="left">Description</th>
 214   </tr>
 215
 216   <tr>
 217     <td valign="top"><a href="../www/command-line-options.html#adaptive-blur">-adaptive-blur <em class="option">geometry</em></a></td>
 218     <td valign="top">adaptively blur pixels; decrease effect near edges</td>
 219   </tr>
 220
 221   <tr>
 222     <td valign="top"><a href="../www/command-line-options.html#adaptive-resize">-adaptive-resize <em class="option">geometry</em></a></td>
 223     <td valign="top">adaptively resize image with data dependent triangulation.</td>
 224   </tr>
 225
 226   <tr>
 227     <td valign="top"><a href="../www/command-line-options.html#adaptive-sharpen">-adaptive-sharpen <em class="option">geometry</em></a></td>
 228     <td valign="top">adaptively sharpen pixels; increase effect near edges</td>
 229   </tr>
 230
 231   <tr>
 232     <td valign="top"><a href="../www/command-line-options.html#adjoin">-adjoin</a></td>
 233     <td valign="top">join images into a single multi-image file</td>
 234   </tr>
 235
 236   <tr>
 237     <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
 238     <td valign="top">affine transform matrix</td>
 239   </tr>
 240
 241   <tr>
 242     <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
 243     <td valign="top">on, activate, off, deactivate, set, opaque, copy",
 244 transparent, extract, background, or shape the alpha channel</td>
 245   </tr>
 246
 247   <tr>
 248     <td valign="top"><a href="../www/command-line-options.html#annotate">-annotate <em class="option">geometry text</em></a></td>
 249     <td valign="top">annotate the image with text</td>
 250   </tr>
 251
 252   <tr>
 253     <td valign="top"><a href="../www/command-line-options.html#antialias">-antialias</a></td>
 254     <td valign="top">remove pixel-aliasing</td>
 255   </tr>
 256
 257   <tr>
 258     <td valign="top"><a href="../www/command-line-options.html#append">-append</a></td>
 259     <td valign="top">append an image sequence</td>
 260   </tr>
 261
 262   <tr>
 263     <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
 264     <td valign="top">decipher image with this password</td>
 265   </tr>
 266
 267   <tr>
 268     <td valign="top"><a href="../www/command-line-options.html#auto-gamma">-auto-gamma</a></td>
 269     <td valign="top">automagically adjust gamma level of image</td>
 270   </tr>
 271
 272   <tr>
 273     <td valign="top"><a href="../www/command-line-options.html#auto-level">-auto-level</a></td>
 274     <td valign="top">automagically adjust color levels of image</td>
 275   </tr>
 276
 277   <tr>
 278     <td valign="top"><a href="../www/command-line-options.html#auto-orient">-auto-orient</a></td>
 279     <td valign="top">automagically orient image</td>
 280   </tr>
 281
 282   <tr>
 283     <td valign="top"><a href="../www/command-line-options.html#background">-background <em class="option">color</em></a></td>
 284     <td valign="top">background color</td>
 285   </tr>
 286
 287   <tr>
 288     <td valign="top"><a href="../www/command-line-options.html#bench">-bench <em class="option">iterations</em></a></td>
 289     <td valign="top">measure performance</td>
 290   </tr>
 291
 292   <tr>
 293     <td valign="top"><a href="../www/command-line-options.html#bias">-bias <em class="option">value</em></a></td>
 294     <td valign="top">add bias when convolving an image</td>
 295   </tr>
 296
 297   <tr>
 298     <td valign="top"><a href="../www/command-line-options.html#black-threshold">-black-threshold <em class="option">value</em></a></td>
 299     <td valign="top">force all pixels below the threshold into black</td>
 300   </tr>
 301
 302   <tr>
 303     <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
 304     <td valign="top">chromaticity blue primary point</td>
 305   </tr>
 306
 307   <tr>
 308     <td valign="top"><a href="../www/command-line-options.html#blue-shift">-blue-shift  <em class="option">factor</em></a></td>
 309     <td valign="top">simulate a scene at nighttime in the moonlight</td>
 310   </tr>
 311
 312   <tr>
 313     <td valign="top"><a href="../www/command-line-options.html#blur">-blur <em class="option">geometry</em></a></td>
 314     <td valign="top">reduce image noise and reduce detail levels</td>
 315   </tr>
 316
 317   <tr>
 318     <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
 319     <td valign="top">surround image with a border of color</td>
 320   </tr>
 321
 322   <tr>
 323     <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
 324     <td valign="top">border color</td>
 325   </tr>
 326
 327   <tr>
 328     <td valign="top"><a href="../www/command-line-options.html#brightness-contrast">-brightness-contrast <em class="option">geometry</em></a></td>
 329     <td valign="top">improve brightness / contrast of the image</td>
 330   </tr>
 331
 332   <tr>
 333     <td valign="top"><a href="../www/command-line-options.html#caption">-caption <em class="option">string</em></a></td>
 334     <td valign="top">assign a caption to an image</td>
 335   </tr>
 336
 337   <tr>
 338     <td valign="top"><a href="../www/command-line-options.html#cdl">-cdl <em class="option">filename</em></a></td>
 339     <td valign="top">color correct with a color decision list</td>
 340   </tr>
 341
 342   <tr>
 343     <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
 344     <td valign="top">apply option to select image channels</td>
 345   </tr>
 346
 347   <tr>
 348     <td valign="top"><a href="../www/command-line-options.html#charcoal">-charcoal <em class="option">radius</em></a></td>
 349     <td valign="top">simulate a charcoal drawing</td>
 350   </tr>
 351
 352   <tr>
 353     <td valign="top"><a href="../www/command-line-options.html#chop">-chop <em class="option">geometry</em></a></td>
 354     <td valign="top">remove pixels from the image interior</td>
 355   </tr>
 356
 357   <tr>
 358     <td valign="top"><a href="../www/command-line-options.html#clip">-clip</a></td>
 359     <td valign="top">clip along the first path from the 8BIM profile</td>
 360   </tr>
 361
 362   <tr>
 363     <td valign="top"><a href="../www/command-line-options.html#clamp">-clamp</a></td>
 364     <td valign="top">restrict colors from 0 to the quantum depth</td>
 365   </tr>
 366
 367   <tr>
 368     <td valign="top"><a href="../www/command-line-options.html#clip-mask">-clip-mask</a> <em class="option">filename</em></td>
 369     <td valign="top">associate clip mask with the image</td>
 370   </tr>
 371
 372   <tr>
 373     <td valign="top"><a href="../www/command-line-options.html#clip-path">-clip-path <em class="option">id</em></a></td>
 374     <td valign="top">clip along a named path from the 8BIM profile</td>
 375   </tr>
 376
 377   <tr>
 378     <td valign="top"><a href="../www/command-line-options.html#clone">-clone <em class="option">index</em></a></td>
 379     <td valign="top">clone an image</td>
 380   </tr>
 381
 382   <tr>
 383     <td valign="top"><a href="../www/command-line-options.html#clut">-clut</a></td>
 384     <td valign="top">apply a color lookup table to the image</td>
 385   </tr>
 386
 387   <tr>
 388     <td valign="top"><a href="../www/command-line-options.html#contrast-stretch">-contrast-stretch <em class="option">geometry</em></a></td>
 389     <td valign="top">improve the contrast in an image by `stretching' the range of intensity value</td>
 390   </tr>
 391
 392   <tr>
 393     <td valign="top"><a href="../www/command-line-options.html#coalesce">-coalesce</a></td>
 394     <td valign="top">merge a sequence of images</td>
 395   </tr>
 396
 397   <tr>
 398     <td valign="top"><a href="../www/command-line-options.html#colorize">-colorize <em class="option">value</em></a></td>
 399     <td valign="top">colorize the image with the fill color</td>
 400   </tr>
 401
 402   <tr>
 403     <td valign="top"><a href="../www/command-line-options.html#color-matrix">-color-matrix <em class="option">matrix</em></a></td>
 404     <td valign="top">apply color correction to the image.</td>
 405   </tr>
 406
 407   <tr>
 408     <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
 409     <td valign="top">preferred number of colors in the image</td>
 410   </tr>
 411
 412   <tr>
 413     <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
 414     <td valign="top">set image colorspace</td>
 415   </tr>
 416
 417   <tr>
 418     <td valign="top"><a href="../www/command-line-options.html#combine">-combine</a></td>
 419     <td valign="top">combine a sequence of images</td>
 420   </tr>
 421
 422   <tr>
 423     <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
 424     <td valign="top">annotate image with comment</td>
 425   </tr>
 426
 427   <tr>
 428     <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
 429     <td valign="top">set image composite operator</td>
 430   </tr>
 431
 432   <tr>
 433     <td valign="top"><a href="../www/command-line-options.html#composite">-composite</a></td>
 434     <td valign="top">composite image</td>
 435   </tr>
 436
 437   <tr>
 438     <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
 439     <td valign="top">image compression type</td>
 440   </tr>
 441
 442   <tr>
 443     <td valign="top"><a href="../www/command-line-options.html#contrast">-contrast</a></td>
 444     <td valign="top">enhance or reduce the image contrast</td>
 445   </tr>
 446
 447   <tr>
 448     <td valign="top"><a href="../www/command-line-options.html#convolve">-convolve <em class="option">coefficients</em></a></td>
 449     <td valign="top">apply a convolution kernel to the image</td>
 450   </tr>
 451
 452   <tr>
 453     <td valign="top"><a href="../www/command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
 454     <td valign="top">crop the image</td>
 455   </tr>
 456
 457   <tr>
 458     <td valign="top"><a href="../www/command-line-options.html#cycle">-cycle <em class="option">amount</em></a></td>
 459     <td valign="top">cycle the image colormap</td>
 460   </tr>
 461
 462   <tr>
 463     <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
 464     <td valign="top">convert cipher pixels to plain</td>
 465   </tr>
 466
 467   <tr>
 468     <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
 469     <td valign="top">display copious debugging information</td>
 470   </tr>
 471
 472   <tr>
 473     <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
 474     <td valign="top">define one or more image format options</td>
 475   </tr>
 476
 477   <tr>
 478     <td valign="top"><a href="../www/command-line-options.html#deconstruct">-deconstruct</a></td>
 479     <td valign="top">break down an image sequence into constituent parts</td>
 480   </tr>
 481
 482   <tr>
 483     <td valign="top"><a href="../www/command-line-options.html#delay">-delay <em class="option">value</em></a></td>
 484     <td valign="top">display the next image after pausing</td>
 485   </tr>
 486
 487   <tr>
 488     <td valign="top"><a href="../www/command-line-options.html#delete">-delete <em class="option">index</em></a></td>
 489     <td valign="top">delete the image from the image sequence</td>
 490   </tr>
 491
 492   <tr>
 493     <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
 494     <td valign="top">horizontal and vertical density of the image</td>
 495   </tr>
 496
 497   <tr>
 498     <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
 499     <td valign="top">image depth</td>
 500   </tr>
 501
 502   <tr>
 503     <td valign="top"><a href="../www/command-line-options.html#despeckle">-despeckle</a></td>
 504     <td valign="top">reduce the speckles within an image</td>
 505   </tr>
 506
 507   <tr>
 508     <td valign="top"><a href="../www/command-line-options.html#direction">-direction <em class="option">type</em></a></td>
 509     <td valign="top">render text right-to-left or left-to-right</td>
 510   </tr>
 511
 512   <tr>
 513     <td valign="top"><a href="../www/command-line-options.html#display">-display <em class="option">server</em></a></td>
 514     <td valign="top">get image or font from this X server</td>
 515   </tr>
 516
 517   <tr>
 518     <td valign="top"><a href="../www/command-line-options.html#dispose">-dispose <em class="option">method</em></a></td>
 519     <td valign="top">layer disposal method</td>
 520   </tr>
 521
 522   <tr>
 523     <td valign="top"><a href="../www/command-line-options.html#distort">-distort <em class="option">type coefficients</em></a></td>
 524     <td valign="top">distort image</td>
 525   </tr>
 526
 527   <tr>
 528     <td valign="top"><a href="../www/command-line-options.html#dither">-dither  <em class="option">method</em></a></td>
 529     <td valign="top">apply error diffusion to image</td>
 530   </tr>
 531
 532   <tr>
 533     <td valign="top"><a href="../www/command-line-options.html#draw">-draw <em class="option">string</em></a></td>
 534     <td valign="top">annotate the image with a graphic primitive</td>
 535   </tr>
 536
 537   <tr>
 538     <td valign="top"><a href="../www/command-line-options.html#edge">-edge <em class="option">radius</em></a></td>
 539     <td valign="top">apply a filter to detect edges in the image</td>
 540   </tr>
 541
 542   <tr>
 543     <td valign="top"><a href="../www/command-line-options.html#emboss">-emboss <em class="option">radius</em></a></td>
 544     <td valign="top">emboss an image</td>
 545   </tr>
 546
 547   <tr>
 548     <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
 549     <td valign="top">convert plain pixels to cipher pixels</td>
 550   </tr>
 551
 552   <tr>
 553     <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
 554     <td valign="top">text encoding type</td>
 555   </tr>
 556
 557   <tr>
 558     <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
 559     <td valign="top">endianness (MSB or LSB) of the image</td>
 560   </tr>
 561
 562   <tr>
 563     <td valign="top"><a href="../www/command-line-options.html#enhance">-enhance</a></td>
 564     <td valign="top">apply a digital filter to enhance a noisy image</td>
 565   </tr>
 566
 567   <tr>
 568     <td valign="top"><a href="../www/command-line-options.html#equalize">-equalize</a></td>
 569     <td valign="top">perform histogram equalization to an image</td>
 570   </tr>
 571
 572   <tr>
 573     <td valign="top"><a href="../www/command-line-options.html#evaluate">-evaluate <em class="option">operator value</em></a></td>
 574     <td valign="top">evaluate an arithmetic, relational, or logical expression</td>
 575   </tr>
 576
 577   <tr>
 578     <td valign="top"><a href="../www/command-line-options.html#evaluate-sequence">-evaluate-sequence <em class="option">operator</em></a></td>
 579     <td valign="top">evaluate an arithmetic, relational, or logical expression for an image sequence</td>
 580   </tr>
 581
 582   <tr>
 583     <td valign="top"><a href="../www/command-line-options.html#extent">-extent <em class="option">geometry</em></a></td>
 584     <td valign="top">set the image size</td>
 585   </tr>
 586
 587   <tr>
 588     <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
 589     <td valign="top">extract area from image</td>
 590   </tr>
 591
 592   <tr>
 593     <td valign="top"><a href="../www/command-line-options.html#family">-family <em class="option">name</em></a></td>
 594     <td valign="top">render text with this font family</td>
 595   </tr>
 596
 597   <tr>
 598     <td valign="top"><a href="../www/command-line-options.html#fft">-fft</a></td>
 599     <td valign="top">implements the discrete Fourier transform (DFT)</td>
 600   </tr>
 601
 602   <tr>
 603     <td valign="top"><a href="../www/command-line-options.html#fill">-fill <em class="option">color</em></a></td>
 604     <td valign="top">color to use when filling a graphic primitive</td>
 605   </tr>
 606
 607   <tr>
 608     <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
 609     <td valign="top">use this filter when resizing an image</td>
 610   </tr>
 611
 612   <tr>
 613     <td valign="top"><a href="../www/command-line-options.html#flatten">-flatten</a></td>
 614     <td valign="top">flatten a sequence of images</td>
 615   </tr>
 616
 617   <tr>
 618     <td valign="top"><a href="../www/command-line-options.html#flip">-flip</a></td>
 619     <td valign="top">flip image in the vertical direction</td>
 620   </tr>
 621
 622   <tr>
 623     <td valign="top"><a href="../www/command-line-options.html#floodfill">-floodfill <em class="option">geometry color</em></a></td>
 624     <td valign="top">floodfill the image with color</td>
 625   </tr>
 626
 627   <tr>
 628     <td valign="top"><a href="../www/command-line-options.html#flop">-flop</a></td>
 629     <td valign="top">flop image in the horizontal direction</td>
 630   </tr>
 631
 632   <tr>
 633     <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
 634     <td valign="top">render text with this font</td>
 635   </tr>
 636
 637   <tr>
 638     <td valign="top"><a href="../www/command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
 639     <td valign="top">output formatted image characteristics</td>
 640   </tr>
 641
 642   <tr>
 643     <td valign="top"><a href="../www/command-line-options.html#frame">-frame <em class="option">geometry</em></a></td>
 644     <td valign="top">surround image with an ornamental border</td>
 645   </tr>
 646
 647   <tr>
 648     <td valign="top"><a href="../www/command-line-options.html#function">-function <em class="option">name</em></a></td>
 649     <td valign="top">apply a function to the image</td>
 650   </tr>
 651
 652   <tr>
 653     <td valign="top"><a href="../www/command-line-options.html#fuzz">-fuzz <em class="option">distance</em></a></td>
 654     <td valign="top">colors within this distance are considered equal</td>
 655   </tr>
 656
 657   <tr>
 658     <td valign="top"><a href="../www/command-line-options.html#fx">-fx <em class="option">expression</em></a></td>
 659     <td valign="top">apply mathematical expression to an image channel(s)</td>
 660   </tr>
 661
 662   <tr>
 663     <td valign="top"><a href="../www/command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
 664     <td valign="top">level of gamma correction</td>
 665   </tr>
 666
 667   <tr>
 668     <td valign="top"><a href="../www/command-line-options.html#gaussian-blur">-gaussian-blur <em class="option">geometry</em></a></td>
 669     <td valign="top">reduce image noise and reduce detail levels</td>
 670   </tr>
 671
 672   <tr>
 673     <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
 674     <td valign="top">preferred size or location of the image</td>
 675   </tr>
 676
 677   <tr>
 678     <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
 679     <td valign="top">horizontal and vertical text placement</td>
 680   </tr>
 681
 682   <tr>
 683     <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
 684     <td valign="top">chromaticity green primary point</td>
 685   </tr>
 686
 687   <tr>
 688     <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
 689     <td valign="top">print program options</td>
 690   </tr>
 691
 692   <tr>
 693     <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
 694     <td valign="top">identify the format and characteristics of the image</td>
 695   </tr>
 696
 697   <tr>
 698     <td valign="top"><a href="../www/command-line-options.html#ift">-ifft</a></td>
 699     <td valign="top">implements the inverse discrete Fourier transform (DFT)</td>
 700   </tr>
 701
 702   <tr>
 703     <td valign="top"><a href="../www/command-line-options.html#implode">-implode <em class="option">amount</em></a></td>
 704     <td valign="top">implode image pixels about the center</td>
 705   </tr>
 706
 707   <tr>
 708     <td valign="top"><a href="../www/command-line-options.html#insert">-insert <em class="option">index</em></a></td>
 709     <td valign="top">insert last image into the image sequence</td>
 710   </tr>
 711
 712   <tr>
 713     <td valign="top"><a href="../www/command-line-options.html#intent">-intent <em class="option">type</em></a></td>
 714     <td valign="top">type of rendering intent when managing the image color</td>
 715   </tr>
 716
 717   <tr>
 718     <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
 719     <td valign="top">type of image interlacing scheme</td>
 720   </tr>
 721
 722   <tr>
 723     <td valign="top"><a href="../www/command-line-options.html#interline-spacing">-interline-spacing <em class="option">value</em></a></td>
 724     <td valign="top">the space between two text lines</td>
 725   </tr>
 726
 727   <tr>
 728     <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
 729     <td valign="top">pixel color interpolation method</td>
 730   </tr>
 731
 732   <tr>
 733     <td valign="top"><a href="../www/command-line-options.html#interword-spacing">-interword-spacing <em class="option">value</em></a></td>
 734     <td valign="top">the space between two words</td>
 735   </tr>
 736
 737   <tr>
 738     <td valign="top"><a href="../www/command-line-options.html#kerning">-kerning <em class="option">value</em></a></td>
 739     <td valign="top">the space between two characters</td>
 740   </tr>
 741
 742   <tr>
 743     <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
 744     <td valign="top">assign a label to an image</td>
 745   </tr>
 746
 747   <tr>
 748     <td valign="top"><a href="../www/command-line-options.html#lat">-lat <em class="option">geometry</em></a></td>
 749     <td valign="top">local adaptive thresholding</td>
 750   </tr>
 751
 752   <tr>
 753     <td valign="top"><a href="../www/command-line-options.html#layers">-layers <em class="option">method</em></a></td>
 754     <td valign="top">optimize or compare image layers</td>
 755   </tr>
 756
 757   <tr>
 758     <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
 759     <td valign="top">adjust the level of image contrast</td>
 760   </tr>
 761
 762   <tr>
 763     <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
 764     <td valign="top">pixel cache resource limit</td>
 765   </tr>
 766
 767   <tr>
 768     <td valign="top"><a href="../www/command-line-options.html#linear-stretch">-linear-stretch <em class="option">geometry</em></a></td>
 769     <td valign="top">linear with saturation histogram stretch</td>
 770   </tr>
 771
 772   <tr>
 773     <td valign="top"><a href="../www/command-line-options.html#liquid-rescale">-liquid-rescale <em class="option">geometry</em></a></td>
 774     <td valign="top">rescale image with seam-carving</td>
 775   </tr>
 776
 777   <tr>
 778     <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
 779     <td valign="top">format of debugging information</td>
 780   </tr>
 781
 782   <tr>
 783     <td valign="top"><a href="../www/command-line-options.html#loop">-loop <em class="option">iterations</em></a></td>
 784     <td valign="top">add Netscape loop extension to your GIF animation</td>
 785   </tr>
 786
 787   <tr>
 788     <td valign="top"><a href="../www/command-line-options.html#mask">-mask <em class="option">filename</em></a></td>
 789     <td valign="top">associate a mask with the image</td>
 790   </tr>
 791
 792   <tr>
 793     <td valign="top"><a href="../www/command-line-options.html#mattecolor">-mattecolor <em class="option">color</em></a></td>
 794     <td valign="top">frame color</td>
 795   </tr>
 796
 797   <tr>
 798     <td valign="top"><a href="../www/command-line-options.html#median">-median <em class="option">radius</em></a></td>
 799     <td valign="top">apply a median filter to the image</td>
 800   </tr>
 801
 802   <tr>
 803     <td valign="top"><a href="../www/command-line-options.html#modulate">-modulate <em class="option">value</em></a></td>
 804     <td valign="top">vary the brightness, saturation, and hue</td>
 805   </tr>
 806
 807   <tr>
 808     <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
 809     <td valign="top">monitor progress</td>
 810   </tr>
 811
 812   <tr>
 813     <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
 814     <td valign="top">transform image to black and white</td>
 815   </tr>
 816
 817   <tr>
 818     <td valign="top"><a href="../www/command-line-options.html#morph">-morph <em class="option">value</em></a></td>
 819     <td valign="top">morph an image sequence</td>
 820   </tr>
 821
 822   <tr>
 823     <td valign="top"><a href="../www/command-line-options.html#morphology">-morphology <em class="option">method</em></a> <em class="option">kernel</em></td>
 824     <td valign="top">apply a morphology method to the image</td>
 825   </tr>
 826
 827   <tr>
 828     <td valign="top"><a href="../www/command-line-options.html#motion-blur">-motion-blur <em class="option">geometry</em></a></td>
 829     <td valign="top">simulate motion blur</td>
 830   </tr>
 831
 832   <tr>
 833     <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
 834     <td valign="top">replace each pixel with its complementary color </td>
 835   </tr>
 836
 837   <tr>
 838     <td valign="top"><a href="../www/command-line-options.html#noise">-noise <em class="option">radius</em></a></td>
 839     <td valign="top">add or reduce noise in an image</td>
 840   </tr>
 841
 842   <tr>
 843     <td valign="top"><a href="../www/command-line-options.html#normalize">-normalize</a></td>
 844     <td valign="top">transform image to span the full range of colors</td>
 845   </tr>
 846
 847   <tr>
 848     <td valign="top"><a href="../www/command-line-options.html#opaque">-opaque <em class="option">color</em></a></td>
 849     <td valign="top">change this color to the fill color</td>
 850   </tr>
 851
 852   <tr>
 853     <td valign="top"><a href="../www/command-line-options.html#ordered-dither">-ordered-dither <em class="option">NxN</em></a></td>
 854     <td valign="top">ordered dither the image</td>
 855   </tr>
 856
 857   <tr>
 858     <td valign="top"><a href="../www/command-line-options.html#orient">-orient <em class="option">type</em></a></td>
 859     <td valign="top">image orientation</td>
 860   </tr>
 861
 862   <tr>
 863     <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
 864     <td valign="top">size and location of an image canvas (setting)</td>
 865   </tr>
 866
 867   <tr>
 868     <td valign="top"><a href="../www/command-line-options.html#paint">-paint <em class="option">radius</em></a></td>
 869     <td valign="top">simulate an oil painting</td>
 870   </tr>
 871
 872   <tr>
 873     <td valign="top"><a href="../www/command-line-options.html#ping">-ping</a></td>
 874     <td valign="top">efficiently determine image attributes</td>
 875   </tr>
 876
 877   <tr>
 878     <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
 879     <td valign="top">font point size</td>
 880   </tr>
 881
 882   <tr>
 883     <td valign="top"><a href="../www/command-line-options.html#polaroid">-polaroid <em class="option">angle</em></a></td>
 884     <td valign="top">simulate a Polaroid picture</td>
 885   </tr>
 886
 887   <tr>
 888     <td valign="top"><a href="../www/command-line-options.html#posterize">-posterize <em class="option">levels</em></a></td>
 889     <td valign="top">reduce the image to a limited number of color levels</td>
 890   </tr>
 891
 892   <tr>
 893     <td valign="top"><a href="../www/command-line-options.html#precision">-precision <em class="option">value</em></a></td>
 894     <td valign="top">set the maximum number of significant digits to be printed</td>
 895   </tr>
 896
 897   <tr>
 898     <td valign="top"><a href="../www/command-line-options.html#preview">-preview <em class="option">type</em></a></td>
 899     <td valign="top">image preview type</td>
 900   </tr>
 901
 902   <tr>
 903     <td valign="top"><a href="../www/command-line-options.html#print">-print <em class="option">string</em></a></td>
 904     <td valign="top">interpret string and print to console</td>
 905   </tr>
 906
 907   <tr>
 908     <td valign="top"><a href="../www/command-line-options.html#process">-process <em class="option">image-filter</em></a></td>
 909     <td valign="top">process the image with a custom image filter</td>
 910   </tr>
 911
 912   <tr>
 913     <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
 914     <td valign="top">add, delete, or apply an image profile</td>
 915   </tr>
 916
 917   <tr>
 918     <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
 919     <td valign="top">JPEG/MIFF/PNG compression level</td>
 920   </tr>
 921
 922   <tr>
 923     <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
 924     <td valign="top">reduce image colors in this colorspace</td>
 925   </tr>
 926
 927   <tr>
 928     <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
 929     <td valign="top">suppress all warning messages</td>
 930   </tr>
 931
 932   <tr>
 933     <td valign="top"><a href="../www/command-line-options.html#radial-blur">-radial-blur <em class="option">angle</em></a></td>
 934     <td valign="top">radial blur the image</td>
 935   </tr>
 936
 937   <tr>
 938     <td valign="top"><a href="../www/command-line-options.html#raise">-raise <em class="option">value</em></a></td>
 939     <td valign="top">lighten/darken image edges to create a 3-D effect</td>
 940   </tr>
 941
 942   <tr>
 943     <td valign="top"><a href="../www/command-line-options.html#random-threshold">-random-threshold <em class="option">low,high</em></a></td>
 944     <td valign="top">random threshold the image</td>
 945   </tr>
 946
 947   <tr>
 948     <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
 949     <td valign="top">chromaticity red primary point</td>
 950   </tr>
 951
 952   <tr>
 953     <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
 954     <td valign="top">pay attention to warning messages.</td>
 955   </tr>
 956
 957   <tr>
 958     <td valign="top"><a href="../www/command-line-options.html#region">-region <em class="option">geometry</em></a></td>
 959     <td valign="top">apply options to a portion of the image</td>
 960   </tr>
 961
 962   <tr>
 963     <td valign="top"><a href="../www/command-line-options.html#remap">-remap <em class="option">filename</em></a></td>
 964     <td valign="top">transform image colors to match this set of colors</td>
 965   </tr>
 966
 967   <tr>
 968     <td valign="top"><a href="../www/command-line-options.html#render">-render</a></td>
 969     <td valign="top">render vector graphics</td>
 970   </tr>
 971
 972   <tr>
 973     <td valign="top"><a href="../www/command-line-options.html#repage">-repage <em class="option">geometry</em></a></td>
 974     <td valign="top">size and location of an image canvas</td>
 975   </tr>
 976
 977   <tr>
 978     <td valign="top"><a href="../www/command-line-options.html#resample">-resample <em class="option">geometry</em></a></td>
 979     <td valign="top">change the resolution of an image</td>
 980   </tr>
 981
 982   <tr>
 983     <td valign="top"><a href="../www/command-line-options.html#resize">-resize <em class="option">geometry</em></a></td>
 984     <td valign="top">resize the image</td>
 985   </tr>
 986
 987   <tr>
 988     <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
 989     <td valign="top">settings remain in effect until parenthesis boundary.</td>
 990   </tr>
 991
 992   <tr>
 993     <td valign="top"><a href="../www/command-line-options.html#roll">-roll <em class="option">geometry</em></a></td>
 994     <td valign="top">roll an image vertically or horizontally</td>
 995   </tr>
 996
 997   <tr>
 998     <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
 999     <td valign="top">apply Paeth rotation to the image</td>
1000   </tr>
1001
1002   <tr>
1003     <td valign="top"><a href="../www/command-line-options.html#sample">-sample <em class="option">geometry</em></a></td>
1004     <td valign="top">scale image with pixel sampling</td>
1005   </tr>
1006
1007   <tr>
1008     <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
1009     <td valign="top">horizontal and vertical sampling factor</td>
1010   </tr>
1011
1012   <tr>
1013     <td valign="top"><a href="../www/command-line-options.html#scale">-scale <em class="option">geometry</em></a></td>
1014     <td valign="top">scale the image</td>
1015   </tr>
1016
1017   <tr>
1018     <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
1019     <td valign="top">image scene number</td>
1020   </tr>
1021
1022   <tr>
1023     <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
1024     <td valign="top">seed a new sequence of pseudo-random numbers</td>
1025   </tr>
1026
1027   <tr>
1028     <td valign="top"><a href="../www/command-line-options.html#segment">-segment <em class="option">values</em></a></td>
1029     <td valign="top">segment an image</td>
1030   </tr>
1031
1032   <tr>
1033     <td valign="top"><a href="../www/command-line-options.html#threshold">-selective-blur <em class="option">geometry</em></a></td>
1034     <td valign="top">selectively blur pixels within a contrast threshold</td>
1035   </tr>
1036
1037   <tr>
1038     <td valign="top"><a href="../www/command-line-options.html#separate">-separate</a></td>
1039     <td valign="top">separate an image channel into a grayscale image</td>
1040   </tr>
1041
1042   <tr>
1043     <td valign="top"><a href="../www/command-line-options.html#sepia-tone">-sepia-tone <em class="option">threshold</em></a></td>
1044     <td valign="top">simulate a sepia-toned photo</td>
1045   </tr>
1046
1047   <tr>
1048     <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
1049     <td valign="top">set an image attribute</td>
1050   </tr>
1051
1052   <tr>
1053     <td valign="top"><a href="../www/command-line-options.html#shade">-shade <em class="option">degrees</em></a></td>
1054     <td valign="top">shade the image using a distant light source</td>
1055   </tr>
1056
1057   <tr>
1058     <td valign="top"><a href="../www/command-line-options.html#shadow">-shadow <em class="option">geometry</em></a></td>
1059     <td valign="top">simulate an image shadow</td>
1060   </tr>
1061
1062   <tr>
1063     <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
1064     <td valign="top">sharpen the image</td>
1065   </tr>
1066
1067   <tr>
1068     <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
1069     <td valign="top">shave pixels from the image edges</td>
1070   </tr>
1071
1072   <tr>
1073     <td valign="top"><a href="../www/command-line-options.html#shear">-shear <em class="option">geometry</em></a></td>
1074     <td valign="top">slide one edge of the image along the X or Y axis</td>
1075   </tr>
1076
1077   <tr>
1078     <td valign="top"><a href="../www/command-line-options.html#sigmoidal">-sigmoidal-contrast <em class="option">geometry</em></a></td>
1079     <td valign="top">increase the contrast without saturating highlights or shadows</td>
1080   </tr>
1081
1082   <tr>
1083     <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
1084     <td valign="top">width and height of image</td>
1085   </tr>
1086
1087   <tr>
1088     <td valign="top"><a href="../www/command-line-options.html#sketch">-sketch <em class="option">geometry</em></a></td>
1089     <td valign="top">simulate a pencil sketch</td>
1090   </tr>
1091
1092   <tr>
1093     <td valign="top"><a href="../www/command-line-options.html#solarize">-solarize <em class="option">threshold</em></a></td>
1094     <td valign="top">negate all pixels above the threshold level</td>
1095   </tr>
1096
1097   <tr>
1098     <td valign="top"><a href="../www/command-line-options.html#splice">-splice <em class="option">geometry</em></a></td>
1099     <td valign="top">splice the background color into the image</td>
1100   </tr>
1101
1102   <tr>
1103     <td valign="top"><a href="../www/command-line-options.html#spread">-spread <em class="option">radius</em></a></td>
1104     <td valign="top">displace image pixels by a random amount</td>
1105   </tr>
1106
1107   <tr>
1108     <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
1109     <td valign="top">strip image of all profiles and comments</td>
1110   </tr>
1111
1112   <tr>
1113     <td valign="top"><a href="../www/command-line-options.html#stroke">-stroke <em class="option">color</em></a></td>
1114     <td valign="top">graphic primitive stroke color</td>
1115   </tr>
1116
1117   <tr>
1118     <td valign="top"><a href="../www/command-line-options.html#strokewidth">-strokewidth <em class="option">value</em></a></td>
1119     <td valign="top">graphic primitive stroke width</td>
1120   </tr>
1121
1122   <tr>
1123     <td valign="top"><a href="../www/command-line-options.html#stretch">-stretch <em class="option">type</em></a></td>
1124     <td valign="top">render text with this font stretch</td>
1125   </tr>
1126
1127   <tr>
1128     <td valign="top"><a href="../www/command-line-options.html#style">-style <em class="option">type</em></a></td>
1129     <td valign="top">render text with this font style</td>
1130   </tr>
1131
1132   <tr>
1133     <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
1134     <td valign="top">swap two images in the image sequence</td>
1135   </tr>
1136
1137   <tr>
1138     <td valign="top"><a href="../www/command-line-options.html#swirl">-swirl <em class="option">degrees</em></a></td>
1139     <td valign="top">swirl image pixels about the center</td>
1140   </tr>
1141
1142   <tr>
1143     <td valign="top"><a href="../www/command-line-options.html#texture">-texture <em class="option">filename</em></a></td>
1144     <td valign="top">name of texture to tile onto the image background</td>
1145   </tr>
1146
1147   <tr>
1148     <td valign="top"><a href="../www/command-line-options.html#threshold">-threshold <em class="option">value</em></a></td>
1149     <td valign="top">threshold the image</td>
1150   </tr>
1151
1152   <tr>
1153     <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
1154     <td valign="top">create a thumbnail of the image</td>
1155   </tr>
1156
1157   <tr>
1158     <td valign="top"><a href="../www/command-line-options.html#tile">-tile <em class="option">filename</em></a></td>
1159     <td valign="top">tile image when filling a graphic primitive</td>
1160   </tr>
1161
1162   <tr>
1163     <td valign="top"><a href="../www/command-line-options.html#tile-offset">-tile-offset <em class="option">geometry</em></a></td>
1164     <td valign="top">set the image tile offset</td>
1165   </tr>
1166
1167   <tr>
1168     <td valign="top"><a href="../www/command-line-options.html#tint">-tint <em class="option">value</em></a></td>
1169     <td valign="top">tint the image with the fill color</td>
1170   </tr>
1171
1172   <tr>
1173     <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
1174     <td valign="top">affine transform image</td>
1175   </tr>
1176
1177   <tr>
1178     <td valign="top"><a href="../www/command-line-options.html#transparent">-transparent <em class="option">color</em></a></td>
1179     <td valign="top">make this color transparent within the image</td>
1180   </tr>
1181
1182   <tr>
1183     <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
1184     <td valign="top">transparent color</td>
1185   </tr>
1186
1187   <tr>
1188     <td valign="top"><a href="../www/command-line-options.html#transpose">-transpose</a></td>
1189     <td valign="top">flip image in the vertical direction and rotate 90 degrees</td>
1190   </tr>
1191
1192   <tr>
1193     <td valign="top"><a href="../www/command-line-options.html#transverse">-transverse</a></td>
1194     <td valign="top">flop image in the horizontal direction and rotate 270 degrees</td>
1195   </tr>
1196
1197   <tr>
1198     <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
1199     <td valign="top">color tree depth</td>
1200   </tr>
1201
1202   <tr>
1203     <td valign="top"><a href="../www/command-line-options.html#trim">-trim</a></td>
1204     <td valign="top">trim image edges</td>
1205   </tr>
1206
1207   <tr>
1208     <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
1209     <td valign="top">image type</td>
1210   </tr>
1211
1212   <tr>
1213     <td valign="top"><a href="../www/command-line-options.html#undercolor">-undercolor <em class="option">color</em></a></td>
1214     <td valign="top">annotation bounding box color</td>
1215   </tr>
1216
1217   <tr>
1218     <td valign="top"><a href="../www/command-line-options.html#unique-colors">-unique-colors</a></td>
1219     <td valign="top">discard all but one of any pixel color.</td>
1220   </tr>
1221
1222   <tr>
1223     <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
1224     <td valign="top">the units of image resolution</td>
1225   </tr>
1226
1227   <tr>
1228     <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
1229     <td valign="top">sharpen the image</td>
1230   </tr>
1231
1232   <tr>
1233     <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
1234     <td valign="top">print detailed information about the image</td>
1235   </tr>
1236
1237   <tr>
1238     <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
1239     <td valign="top">print version information</td>
1240   </tr>
1241
1242   <tr>
1243     <td valign="top"><a href="../www/command-line-options.html#view">-view</a></td>
1244     <td valign="top">FlashPix viewing transforms</td>
1245   </tr>
1246
1247   <tr>
1248     <td valign="top"><a href="../www/command-line-options.html#vignette">-vignette <em class="option">geometry</em></a></td>
1249     <td valign="top">soften the edges of the image in vignette style</td>
1250   </tr>
1251
1252   <tr>
1253     <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
1254     <td valign="top">access method for pixels outside the boundaries of the image</td>
1255   </tr>
1256
1257   <tr>
1258     <td valign="top"><a href="../www/command-line-options.html#wave">-wave <em class="option">geometry</em></a></td>
1259     <td valign="top">alter an image along a sine wave</td>
1260   </tr>
1261
1262   <tr>
1263     <td valign="top"><a href="../www/command-line-options.html#weight">-weight <em class="option">type</em></a></td>
1264     <td valign="top">render text with this font weight</td>
1265   </tr>
1266
1267   <tr>
1268     <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
1269     <td valign="top">chromaticity white point</td>
1270   </tr>
1271
1272   <tr>
1273     <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
1274     <td valign="top">force all pixels above the threshold into white</td>
1275   </tr>
1276
1277   <tr>
1278     <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
1279     <td valign="top">write images to this file</td>
1280   </tr>
1281
1282   </tbody>
1283 </table>
1284
1285 </div>
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