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  75 <p class="lead magick-description">Use the <code>magick</code> program to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.   See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <code>convert</code> command or see below for example usages of the command.</p>
  76
  77 <p>We list a few examples of the <code>magick</code> command here to illustrate its usefulness and ease of use.  To get started, lets convert an image in the JPEG format to PNG:</p>
  78
  79 <pre class="highlight"><code>magick rose.jpg rose.png
  80 </code></pre>
  81
  82 <p>Next, we reduce the image size before it is written to the PNG format:</p>
  83
  84 <pre class="highlight"><code>magick rose.jpg -resize 50% rose.png
  85 </code></pre>
  86
  87 <ul>
  88   <a href="../images/rose.jpg">
  89   <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
  90   </a>
  91   <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
  92   <a href="../images/rose.png">
  93   <img style="margin-top:11px; margin-bottom:12px;" src="../images/rose.png" width="35" height="23" alt="rose" />
  94   </a>
  95 </ul>
  96
  97 <p>You can combine multiple image-processing operations to produce complex results:</p>
  98
  99 <pre class="highlight"><code>magick -size 320x85 canvas:none -font Bookman-DemiItalic -pointsize 72 \
 100   -draw "text 25,60 \'Magick\'" -channel RGBA -blur 0x6 -fill darkred -stroke magenta \
 101   -draw "text 20,55 \'Magick\'" fuzzy-magick.png
 102 </code></pre>
 103
 104 <ul>
 105   <a href="../images/fuzzy-magick.png"><img src="../images/fuzzy-magick.png" width="320" height="85" alt="fuzzy-magick" /></a>
 106 </ul>
 107
 108 <p>or here we resize an image with improved quality:</p>
 109
 110 <pre class="highlight"><code>magick input.png -colorspace RGB +sigmoidal-contrast 11.6933 \
 111   -define filter:filter=Sinc -define filter:window=Jinc -define filter:lobes=3 \
 112   -resize 400% -sigmoidal-contrast 11.6933 -colorspace sRGB output.png');
 113 </code></pre>
 114
 115 <p>Utilize other command-line <a href="command-line-tools.html">tools</a> from the <code>magick</code> tool.  To invoke this functionality, simply create a symbolic link to the <code>magick</code> tool or specify the tool you want to use as the first argument.  These two methods are equivalent:</p>
 116
 117 <pre class="highlight"><code>ln -s magick convert
 118 convert rose.jpg rose.png
 119 magick convert rose.jpg rose.png
 120 </code></pre>
 121
 122 <p>You can find additional examples of using <code>magick</code> in <a href="https://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
 123
 124 <h2 class="magick-post-title"><a id="options"></a>Option Summary</h2>
 125
 126 <p>The <code>magick</code> command recognizes these options.  Click on an option to get more details about how that option works.</p>
 127
 128 <div class="table-responsive">
 129 <table class="table table-sm table-striped">
 130   <tr>
 131     <td><a href="command-line-options.html#adaptive-blur">-adaptive-blur <var>geometry</var></a></td>
 132     <td>adaptively blur pixels; decrease effect near edges</td>
 133   </tr>
 134
 135   <tr>
 136     <td><a href="command-line-options.html#adaptive-resize">-adaptive-resize <var>geometry</var></a></td>
 137     <td>adaptively resize image with data dependent triangulation.</td>
 138   </tr>
 139
 140   <tr>
 141     <td><a href="command-line-options.html#adaptive-sharpen">-adaptive-sharpen <var>geometry</var></a></td>
 142     <td>adaptively sharpen pixels; increase effect near edges</td>
 143   </tr>
 144
 145   <tr>
 146     <td><a href="command-line-options.html#adjoin">-adjoin</a></td>
 147     <td>join images into a single multi-image file</td>
 148   </tr>
 149
 150   <tr>
 151     <td><a href="command-line-options.html#affine">-affine <var>matrix</var></a></td>
 152     <td>affine transform matrix</td>
 153   </tr>
 154
 155   <tr>
 156     <td><a href="command-line-options.html#alpha">-alpha</a></td>
 157     <td>on, activate, off, deactivate, set, opaque, copy",
 158 transparent, extract, background, or shape the alpha channel</td>
 159   </tr>
 160
 161   <tr>
 162     <td><a href="command-line-options.html#annotate">-annotate <var>geometry text</var></a></td>
 163     <td>annotate the image with text</td>
 164   </tr>
 165
 166   <tr>
 167     <td><a href="command-line-options.html#antialias">-antialias</a></td>
 168     <td>remove pixel-aliasing</td>
 169   </tr>
 170
 171   <tr>
 172     <td><a href="command-line-options.html#append">-append</a></td>
 173     <td>append an image sequence</td>
 174   </tr>
 175
 176   <tr>
 177     <td><a href="command-line-options.html#authenticate">-authenticate <var>value</var></a></td>
 178     <td>decipher image with this password</td>
 179   </tr>
 180
 181   <tr>
 182     <td><a href="command-line-options.html#auto-gamma">-auto-gamma</a></td>
 183     <td>automagically adjust gamma level of image</td>
 184   </tr>
 185
 186   <tr>
 187     <td><a href="command-line-options.html#auto-level">-auto-level</a></td>
 188     <td>automagically adjust color levels of image</td>
 189   </tr>
 190
 191   <tr>
 192     <td><a href="command-line-options.html#auto-orient">-auto-orient</a></td>
 193     <td>automagically orient image</td>
 194   </tr>
 195
 196   <tr>
 197     <td><a href="command-line-options.html#background">-background <var>color</var></a></td>
 198     <td>background color</td>
 199   </tr>
 200
 201   <tr>
 202     <td><a href="command-line-options.html#bench">-bench <var>iterations</var></a></td>
 203     <td>measure performance</td>
 204   </tr>
 205
 206   <tr>
 207     <td><a href="command-line-options.html#bias">-bias <var>value</var></a></td>
 208     <td>add bias when convolving an image</td>
 209   </tr>
 210
 211   <tr>
 212     <td><a href="command-line-options.html#black-threshold">-black-threshold <var>value</var></a></td>
 213     <td>force all pixels below the threshold into black</td>
 214   </tr>
 215
 216   <tr>
 217     <td><a href="command-line-options.html#blue-primary">-blue-primary <var>point</var></a></td>
 218     <td>chromaticity blue primary point</td>
 219   </tr>
 220
 221   <tr>
 222     <td><a href="command-line-options.html#blue-shift">-blue-shift <var>factor</var></a></td>
 223     <td>simulate a scene at nighttime in the moonlight</td>
 224   </tr>
 225
 226   <tr>
 227     <td><a href="command-line-options.html#blur">-blur <var>geometry</var></a></td>
 228     <td>reduce image noise and reduce detail levels</td>
 229   </tr>
 230
 231   <tr>
 232     <td><a href="command-line-options.html#border">-border <var>geometry</var></a></td>
 233     <td>surround image with a border of color</td>
 234   </tr>
 235
 236   <tr>
 237     <td><a href="command-line-options.html#bordercolor">-bordercolor <var>color</var></a></td>
 238     <td>border color</td>
 239   </tr>
 240
 241   <tr>
 242     <td><a href="command-line-options.html#brightness-contrast">-brightness-contrast <var>geometry</var></a></td>
 243     <td>improve brightness / contrast of the image</td>
 244   </tr>
 245
 246   <tr>
 247     <td><a href="command-line-options.html#canny">-canny <var>geometry</var></a></td>
 248     <td>use a multi-stage algorithm to detect a wide range of edges in the image</td>
 249   </tr>
 250
 251   <tr>
 252     <td><a href="command-line-options.html#caption">-caption <var>string</var></a></td>
 253     <td>assign a caption to an image</td>
 254   </tr>
 255
 256   <tr>
 257     <td><a href="command-line-options.html#cdl">-cdl <var>filename</var></a></td>
 258     <td>color correct with a color decision list</td>
 259   </tr>
 260
 261   <tr>
 262     <td><a href="command-line-options.html#channel">-channel <var>type</var></a></td>
 263     <td>apply option to select image channels</td>
 264   </tr>
 265
 266   <tr>
 267     <td><a href="command-line-options.html#charcoal">-charcoal <var>radius</var></a></td>
 268     <td>simulate a charcoal drawing</td>
 269   </tr>
 270
 271   <tr>
 272     <td><a href="command-line-options.html#chop">-chop <var>geometry</var></a></td>
 273     <td>remove pixels from the image interior</td>
 274   </tr>
 275
 276   <tr>
 277     <td><a href="command-line-options.html#clamp">-clamp</a></td>
 278     <td>set each pixel whose value is below zero to zero and any the pixel whose value is above the quantum range to the quantum range (e.g. 65535) otherwise the pixel value remains unchanged.</td>
 279   </tr>
 280
 281   <tr>
 282     <td><a href="command-line-options.html#clip">-clip</a></td>
 283     <td>clip along the first path from the 8BIM profile</td>
 284   </tr>
 285
 286   <tr>
 287     <td><a href="command-line-options.html#clip-mask">-clip-mask</a> <var>filename</var></td>
 288     <td>associate clip mask with the image</td>
 289   </tr>
 290
 291   <tr>
 292     <td><a href="command-line-options.html#clip-path">-clip-path <var>id</var></a></td>
 293     <td>clip along a named path from the 8BIM profile</td>
 294   </tr>
 295
 296   <tr>
 297     <td><a href="command-line-options.html#clone">-clone <var>index</var></a></td>
 298     <td>clone an image</td>
 299   </tr>
 300
 301   <tr>
 302     <td><a href="command-line-options.html#clut">-clut</a></td>
 303     <td>apply a color lookup table to the image</td>
 304   </tr>
 305
 306   <tr>
 307     <td><a href="command-line-options.html#connected-components">-connected-components <var>connectivity</var></a></td>
 308     <td>connected-components uniquely labeled, choose from 4 or 8 way connectivity</td>
 309   </tr>
 310
 311   <tr>
 312     <td><a href="command-line-options.html#contrast-stretch">-contrast-stretch <var>geometry</var></a></td>
 313     <td>improve the contrast in an image by `stretching' the range of intensity value</td>
 314   </tr>
 315
 316   <tr>
 317     <td><a href="command-line-options.html#coalesce">-coalesce</a></td>
 318     <td>merge a sequence of images</td>
 319   </tr>
 320
 321   <tr>
 322     <td><a href="command-line-options.html#colorize">-colorize <var>value</var></a></td>
 323     <td>colorize the image with the fill color</td>
 324   </tr>
 325
 326   <tr>
 327     <td><a href="command-line-options.html#color-matrix">-color-matrix <var>matrix</var></a></td>
 328     <td>apply color correction to the image.</td>
 329   </tr>
 330
 331   <tr>
 332     <td><a href="command-line-options.html#colors">-colors <var>value</var></a></td>
 333     <td>preferred number of colors in the image</td>
 334   </tr>
 335
 336   <tr>
 337     <td><a href="command-line-options.html#colorspace">-colorspace <var>type</var></a></td>
 338     <td>set image colorspace</td>
 339   </tr>
 340
 341   <tr>
 342     <td><a href="command-line-options.html#combine">-combine</a></td>
 343     <td>combine a sequence of images</td>
 344   </tr>
 345
 346   <tr>
 347     <td><a href="command-line-options.html#comment">-comment <var>string</var></a></td>
 348     <td>annotate image with comment</td>
 349   </tr>
 350
 351   <tr>
 352     <td><a href="command-line-options.html#compare">-compare</a></td>
 353     <td>compare image</td>
 354   </tr>
 355
 356   <tr>
 357     <td><a href="command-line-options.html#complex">-complex<var>operator</var></a></td>
 358     <td>perform complex mathematics on an image sequence</td>
 359   </tr>
 360
 361   <tr>
 362     <td><a href="command-line-options.html#compose">-compose <var>operator</var></a></td>
 363     <td>set image composite operator</td>
 364   </tr>
 365
 366   <tr>
 367     <td><a href="command-line-options.html#composite">-composite</a></td>
 368     <td>composite image</td>
 369   </tr>
 370
 371   <tr>
 372     <td><a href="command-line-options.html#compress">-compress <var>type</var></a></td>
 373     <td>image compression type</td>
 374   </tr>
 375
 376   <tr>
 377     <td><a href="command-line-options.html#contrast">-contrast</a></td>
 378     <td>enhance or reduce the image contrast</td>
 379   </tr>
 380
 381   <tr>
 382     <td><a href="command-line-options.html#convolve">-convolve <var>coefficients</var></a></td>
 383     <td>apply a convolution kernel to the image</td>
 384   </tr>
 385
 386   <tr>
 387     <td><a href="command-line-options.html#copy">-copy <var>geometry</var> <var>offset</var></a></td>
 388     <td>copy pixels from one area of an image to another</td>
 389   </tr>
 390
 391   <tr>
 392     <td><a href="command-line-options.html#crop">-crop <var>geometry</var></a></td>
 393     <td>crop the image</td>
 394   </tr>
 395
 396   <tr>
 397     <td><a href="command-line-options.html#cycle">-cycle <var>amount</var></a></td>
 398     <td>cycle the image colormap</td>
 399   </tr>
 400
 401   <tr>
 402     <td><a href="command-line-options.html#decipher">-decipher <var>filename</var></a></td>
 403     <td>convert cipher pixels to plain</td>
 404   </tr>
 405
 406   <tr>
 407     <td><a href="command-line-options.html#debug">-debug <var>events</var></a></td>
 408     <td>display copious debugging information</td>
 409   </tr>
 410
 411   <tr>
 412     <td><a href="command-line-options.html#define">-define <var>format:option</var></a></td>
 413     <td>define one or more image format options</td>
 414   </tr>
 415
 416   <tr>
 417     <td><a href="command-line-options.html#deconstruct">-deconstruct</a></td>
 418     <td>break down an image sequence into constituent parts</td>
 419   </tr>
 420
 421   <tr>
 422     <td><a href="command-line-options.html#delay">-delay <var>value</var></a></td>
 423     <td>display the next image after pausing</td>
 424   </tr>
 425
 426   <tr>
 427     <td><a href="command-line-options.html#delete">-delete <var>index</var></a></td>
 428     <td>delete the image from the image sequence</td>
 429   </tr>
 430
 431   <tr>
 432     <td><a href="command-line-options.html#density">-density <var>geometry</var></a></td>
 433     <td>horizontal and vertical density of the image</td>
 434   </tr>
 435
 436   <tr>
 437     <td><a href="command-line-options.html#depth">-depth <var>value</var></a></td>
 438     <td>image depth</td>
 439   </tr>
 440
 441   <tr>
 442     <td><a href="command-line-options.html#despeckle">-despeckle</a></td>
 443     <td>reduce the speckles within an image</td>
 444   </tr>
 445
 446   <tr>
 447     <td><a href="command-line-options.html#direction">-direction <var>type</var></a></td>
 448     <td>render text right-to-left or left-to-right</td>
 449   </tr>
 450
 451   <tr>
 452     <td><a href="command-line-options.html#display">-display <var>server</var></a></td>
 453     <td>get image or font from this X server</td>
 454   </tr>
 455
 456   <tr>
 457     <td><a href="command-line-options.html#dispose">-dispose <var>method</var></a></td>
 458     <td>layer disposal method</td>
 459   </tr>
 460
 461   <tr>
 462     <td><a href="command-line-options.html#distribute-cache">-distribute-cache <var>port</var></a></td>
 463     <td>launch a distributed pixel cache server</td>
 464   </tr>
 465
 466   <tr>
 467     <td><a href="command-line-options.html#distort">-distort <var>type coefficients</var></a></td>
 468     <td>distort image</td>
 469   </tr>
 470
 471   <tr>
 472     <td><a href="command-line-options.html#dither">-dither  <var>method</var></a></td>
 473     <td>apply error diffusion to image</td>
 474   </tr>
 475
 476   <tr>
 477     <td><a href="command-line-options.html#draw">-draw <var>string</var></a></td>
 478     <td>annotate the image with a graphic primitive</td>
 479   </tr>
 480
 481   <tr>
 482     <td><a href="command-line-options.html#duplicate">-duplicate <var>count,indexes</var></a></td>
 483     <td>duplicate an image one or more times</td>
 484   </tr>
 485
 486   <tr>
 487     <td><a href="command-line-options.html#edge">-edge <var>radius</var></a></td>
 488     <td>apply a filter to detect edges in the image</td>
 489   </tr>
 490
 491   <tr>
 492     <td><a href="command-line-options.html#emboss">-emboss <var>radius</var></a></td>
 493     <td>emboss an image</td>
 494   </tr>
 495
 496   <tr>
 497     <td><a href="command-line-options.html#encipher">-encipher <var>filename</var></a></td>
 498     <td>convert plain pixels to cipher pixels</td>
 499   </tr>
 500
 501   <tr>
 502     <td><a href="command-line-options.html#encoding">-encoding <var>type</var></a></td>
 503     <td>text encoding type</td>
 504   </tr>
 505
 506   <tr>
 507     <td><a href="command-line-options.html#endian">-endian <var>type</var></a></td>
 508     <td>endianness (MSB or LSB) of the image</td>
 509   </tr>
 510
 511   <tr>
 512     <td><a href="command-line-options.html#enhance">-enhance</a></td>
 513     <td>apply a digital filter to enhance a noisy image</td>
 514   </tr>
 515
 516   <tr>
 517     <td><a href="command-line-options.html#equalize">-equalize</a></td>
 518     <td>perform histogram equalization to an image</td>
 519   </tr>
 520
 521   <tr>
 522     <td><a href="command-line-options.html#evaluate">-evaluate <var>operator value</var></a></td>
 523     <td>evaluate an arithmetic, relational, or logical expression</td>
 524   </tr>
 525
 526   <tr>
 527     <td><a href="command-line-options.html#evaluate-sequence">-evaluate-sequence <var>operator</var></a></td>
 528     <td>evaluate an arithmetic, relational, or logical expression for an image sequence</td>
 529   </tr>
 530
 531   <tr>
 532     <td><a href="command-line-options.html#extent">-extent <var>geometry</var></a></td>
 533     <td>set the image size</td>
 534   </tr>
 535
 536   <tr>
 537     <td><a href="command-line-options.html#extract">-extract <var>geometry</var></a></td>
 538     <td>extract area from image</td>
 539   </tr>
 540
 541   <tr>
 542     <td><a href="command-line-options.html#family">-family <var>name</var></a></td>
 543     <td>render text with this font family</td>
 544   </tr>
 545
 546   <tr>
 547     <td><a href="command-line-options.html#features">-features <var>distance</var></a></td>
 548     <td>analyze image features (e.g. contract, correlations, etc.).</td>
 549   </tr>
 550
 551   <tr>
 552     <td><a href="command-line-options.html#fft">-fft</a></td>
 553     <td>implements the discrete Fourier transform (DFT)</td>
 554   </tr>
 555
 556   <tr>
 557     <td><a href="command-line-options.html#fill">-fill <var>color</var></a></td>
 558     <td>color to use when filling a graphic primitive</td>
 559   </tr>
 560
 561   <tr>
 562     <td><a href="command-line-options.html#filter">-filter <var>type</var></a></td>
 563     <td>use this filter when resizing an image</td>
 564   </tr>
 565
 566   <tr>
 567     <td><a href="command-line-options.html#flatten">-flatten</a></td>
 568     <td>flatten a sequence of images</td>
 569   </tr>
 570
 571   <tr>
 572     <td><a href="command-line-options.html#flip">-flip</a></td>
 573     <td>flip image in the vertical direction</td>
 574   </tr>
 575
 576   <tr>
 577     <td><a href="command-line-options.html#floodfill">-floodfill <var>geometry color</var></a></td>
 578     <td>floodfill the image with color</td>
 579   </tr>
 580
 581   <tr>
 582     <td><a href="command-line-options.html#flop">-flop</a></td>
 583     <td>flop image in the horizontal direction</td>
 584   </tr>
 585
 586   <tr>
 587     <td><a href="command-line-options.html#font">-font <var>name</var></a></td>
 588     <td>render text with this font</td>
 589   </tr>
 590
 591   <tr>
 592     <td><a href="command-line-options.html#format_identify_">-format <var>string</var></a></td>
 593     <td>output formatted image characteristics</td>
 594   </tr>
 595
 596   <tr>
 597     <td><a href="command-line-options.html#frame">-frame <var>geometry</var></a></td>
 598     <td>surround image with an ornamental border</td>
 599   </tr>
 600
 601   <tr>
 602     <td><a href="command-line-options.html#function">-function <var>name</var></a></td>
 603     <td>apply a function to the image</td>
 604   </tr>
 605
 606   <tr>
 607     <td><a href="command-line-options.html#fuzz">-fuzz <var>distance</var></a></td>
 608     <td>colors within this distance are considered equal</td>
 609   </tr>
 610
 611   <tr>
 612     <td><a href="command-line-options.html#fx">-fx <var>expression</var></a></td>
 613     <td>apply mathematical expression to an image channel(s)</td>
 614   </tr>
 615
 616   <tr>
 617     <td><a href="command-line-options.html#gamma">-gamma <var>value</var></a></td>
 618     <td>level of gamma correction</td>
 619   </tr>
 620
 621   <tr>
 622     <td><a href="command-line-options.html#gaussian-blur">-gaussian-blur <var>geometry</var></a></td>
 623     <td>reduce image noise and reduce detail levels</td>
 624   </tr>
 625
 626   <tr>
 627     <td><a href="command-line-options.html#geometry">-geometry <var>geometry</var></a></td>
 628     <td>preferred size or location of the image</td>
 629   </tr>
 630
 631   <tr>
 632     <td><a href="command-line-options.html#gravity">-gravity <var>type</var></a></td>
 633     <td>horizontal and vertical text placement</td>
 634   </tr>
 635
 636   <tr>
 637     <td><a href="command-line-options.html#intensity">-grayscale <var>method</var></a></td>
 638     <td>convert image to grayscale</td>
 639   </tr>
 640
 641   <tr>
 642     <td><a href="command-line-options.html#green-primary">-green-primary <var>point</var></a></td>
 643     <td>chromaticity green primary point</td>
 644   </tr>
 645
 646   <tr>
 647     <td><a href="command-line-options.html#help">-help</a></td>
 648     <td>print program options</td>
 649   </tr>
 650
 651   <tr>
 652     <td><a href="command-line-options.html#hough-lines">-hough-lines <var>geometry</var></a></td>
 653     <td>identify lines in the image</td>
 654   </tr>
 655
 656   <tr>
 657     <td><a href="command-line-options.html#identify">-identify</a></td>
 658     <td>identify the format and characteristics of the image</td>
 659   </tr>
 660
 661   <tr>
 662     <td><a href="command-line-options.html#ift">-ift</a></td>
 663     <td>implements the inverse discrete Fourier transform (DFT)</td>
 664   </tr>
 665
 666   <tr>
 667     <td><a href="command-line-options.html#implode">-implode <var>amount</var></a></td>
 668     <td>implode image pixels about the center</td>
 669   </tr>
 670
 671   <tr>
 672     <td><a href="command-line-options.html#insert">-insert <var>index</var></a></td>
 673     <td>insert last image into the image sequence</td>
 674   </tr>
 675
 676   <tr>
 677     <td><a href="command-line-options.html#intensity">-intensity <var>method</var></a></td>
 678     <td>method to generate an intensity value from a pixel</td>
 679   </tr>
 680
 681   <tr>
 682     <td><a href="command-line-options.html#intent">-intent <var>type</var></a></td>
 683     <td>type of rendering intent when managing the image color</td>
 684   </tr>
 685
 686   <tr>
 687     <td><a href="command-line-options.html#interlace">-interlace <var>type</var></a></td>
 688     <td>type of image interlacing scheme</td>
 689   </tr>
 690
 691   <tr>
 692     <td><a href="command-line-options.html#interline-spacing">-interline-spacing <var>value</var></a></td>
 693     <td>the space between two text lines</td>
 694   </tr>
 695
 696   <tr>
 697     <td><a href="command-line-options.html#interpolate">-interpolate <var>method</var></a></td>
 698     <td>pixel color interpolation method</td>
 699   </tr>
 700
 701   <tr>
 702     <td><a href="command-line-options.html#interword-spacing">-interword-spacing <var>value</var></a></td>
 703     <td>the space between two words</td>
 704   </tr>
 705
 706   <tr>
 707     <td><a href="command-line-options.html#kerning">-kerning <var>value</var></a></td>
 708     <td>the space between two characters</td>
 709   </tr>
 710
 711   <tr>
 712     <td><a href="command-line-options.html#kuwahara">-kuwahara <var>geometry</var></a></td>
 713     <td>edge preserving noise reduction filter</td>
 714   </tr>
 715
 716   <tr>
 717     <td><a href="command-line-options.html#label">-label <var>string</var></a></td>
 718     <td>assign a label to an image</td>
 719   </tr>
 720
 721   <tr>
 722     <td><a href="command-line-options.html#lat">-lat <var>geometry</var></a></td>
 723     <td>local adaptive thresholding</td>
 724   </tr>
 725
 726   <tr>
 727     <td><a href="command-line-options.html#layers">-layers <var>method</var></a></td>
 728     <td>optimize or compare image layers</td>
 729   </tr>
 730
 731   <tr>
 732     <td><a href="command-line-options.html#level">-level <var>value</var></a></td>
 733     <td>adjust the level of image contrast</td>
 734   </tr>
 735
 736   <tr>
 737     <td><a href="command-line-options.html#limit">-limit <var>type value</var></a></td>
 738     <td>pixel cache resource limit</td>
 739   </tr>
 740
 741   <tr>
 742     <td><a href="command-line-options.html#linear-stretch">-linear-stretch <var>geometry</var></a></td>
 743     <td>linear with saturation histogram stretch</td>
 744   </tr>
 745
 746   <tr>
 747     <td><a href="command-line-options.html#liquid-rescale">-liquid-rescale <var>geometry</var></a></td>
 748     <td>rescale image with seam-carving</td>
 749   </tr>
 750
 751   <tr>
 752     <td><a href="command-line-options.html#list">-list <var>type</var></a></td>
 753     <td>Color, Configure, Delegate, Format, Magic, Module, Resource, or Type</td>
 754   </tr>
 755
 756   <tr>
 757     <td><a href="command-line-options.html#log">-log <var>format</var></a></td>
 758     <td>format of debugging information</td>
 759   </tr>
 760
 761   <tr>
 762     <td><a href="command-line-options.html#loop">-loop <var>iterations</var></a></td>
 763     <td>add Netscape loop extension to your GIF animation</td>
 764   </tr>
 765
 766   <tr>
 767     <td><a href="command-line-options.html#mask">-mask <var>filename</var></a></td>
 768     <td>associate a mask with the image</td>
 769   </tr>
 770
 771   <tr>
 772     <td><a href="command-line-options.html#mattecolor">-mattecolor <var>color</var></a></td>
 773     <td>frame color</td>
 774   </tr>
 775
 776   <tr>
 777     <td><a href="command-line-options.html#median">-median <var>radius</var></a></td>
 778     <td>apply a median filter to the image</td>
 779   </tr>
 780
 781   <tr>
 782     <td><a href="command-line-options.html#mean-shift">-mean-shift <var>geometry</var></a></td>
 783     <td>delineate arbitrarily shaped clusters in the image</td>
 784   </tr>
 785
 786   <tr>
 787     <td><a href="command-line-options.html#metric">-metric <var>type</var></a></td>
 788     <td>measure differences between images with this metric</td>
 789   </tr>
 790
 791   <tr>
 792     <td><a href="command-line-options.html#mode">-mode <var>radius</var></a></td>
 793     <td>make each pixel the 'predominant color' of the neighborhood</td>
 794   </tr>
 795
 796   <tr>
 797     <td><a href="command-line-options.html#modulate">-modulate <var>value</var></a></td>
 798     <td>vary the brightness, saturation, and hue</td>
 799   </tr>
 800
 801   <tr>
 802     <td><a href="command-line-options.html#moments">-moments</a></td>
 803     <td>display image moments.</td>
 804   </tr>
 805
 806   <tr>
 807     <td><a href="command-line-options.html#monitor">-monitor</a></td>
 808     <td>monitor progress</td>
 809   </tr>
 810
 811   <tr>
 812     <td><a href="command-line-options.html#monochrome">-monochrome</a></td>
 813     <td>transform image to black and white</td>
 814   </tr>
 815
 816   <tr>
 817     <td><a href="command-line-options.html#morph">-morph <var>value</var></a></td>
 818     <td>morph an image sequence</td>
 819   </tr>
 820
 821   <tr>
 822     <td><a href="command-line-options.html#morphology">-morphology <var>method</var></a> <var>kernel</var></td>
 823     <td>apply a morphology method to the image</td>
 824   </tr>
 825
 826   <tr>
 827     <td><a href="command-line-options.html#motion-blur">-motion-blur <var>geometry</var></a></td>
 828     <td>simulate motion blur</td>
 829   </tr>
 830
 831   <tr>
 832     <td><a href="command-line-options.html#negate">-negate</a></td>
 833     <td>replace each pixel with its complementary color </td>
 834   </tr>
 835
 836   <tr>
 837     <td><a href="command-line-options.html#noise">-noise <var>radius</var></a></td>
 838     <td>add or reduce noise in an image</td>
 839   </tr>
 840
 841   <tr>
 842     <td><a href="command-line-options.html#normalize">-normalize</a></td>
 843     <td>transform image to span the full range of colors</td>
 844   </tr>
 845
 846   <tr>
 847     <td><a href="command-line-options.html#opaque">-opaque <var>color</var></a></td>
 848     <td>change this color to the fill color</td>
 849   </tr>
 850
 851   <tr>
 852     <td><a href="command-line-options.html#ordered-dither">-ordered-dither <var>NxN</var></a></td>
 853     <td>ordered dither the image</td>
 854   </tr>
 855
 856   <tr>
 857     <td><a href="command-line-options.html#orient">-orient <var>type</var></a></td>
 858     <td>image orientation</td>
 859   </tr>
 860
 861   <tr>
 862     <td><a href="command-line-options.html#page">-page <var>geometry</var></a></td>
 863     <td>size and location of an image canvas (setting)</td>
 864   </tr>
 865
 866   <tr>
 867     <td><a href="command-line-options.html#paint">-paint <var>radius</var></a></td>
 868     <td>simulate an oil painting</td>
 869   </tr>
 870
 871   <tr>
 872     <td><a href="command-line-options.html#perceptible">-perceptible</a></td>
 873     <td>set each pixel whose value is less than |<var>epsilon</var>| to <var>-epsilon</var> or <var>epsilon</var> (whichever is closer) otherwise the pixel value remains unchanged.</td>
 874   </tr>
 875
 876   <tr>
 877     <td><a href="command-line-options.html#ping">-ping</a></td>
 878     <td>efficiently determine image attributes</td>
 879   </tr>
 880
 881   <tr>
 882     <td><a href="command-line-options.html#pointsize">-pointsize <var>value</var></a></td>
 883     <td>font point size</td>
 884   </tr>
 885
 886   <tr>
 887     <td><a href="command-line-options.html#polaroid">-polaroid <var>angle</var></a></td>
 888     <td>simulate a Polaroid picture</td>
 889   </tr>
 890
 891   <tr>
 892     <td><a href="command-line-options.html#poly">-poly <var>terms</var></a></td>
 893     <td>build a polynomial from the image sequence and the corresponding terms (coefficients and degree pairs).</td>
 894   </tr>
 895
 896   <tr>
 897     <td><a href="command-line-options.html#posterize">-posterize <var>levels</var></a></td>
 898     <td>reduce the image to a limited number of color levels</td>
 899   </tr>
 900
 901   <tr>
 902     <td><a href="command-line-options.html#precision">-precision <var>value</var></a></td>
 903     <td>set the maximum number of significant digits to be printed</td>
 904   </tr>
 905
 906   <tr>
 907     <td><a href="command-line-options.html#preview">-preview <var>type</var></a></td>
 908     <td>image preview type</td>
 909   </tr>
 910
 911   <tr>
 912     <td><a href="command-line-options.html#print">-print <var>string</var></a></td>
 913     <td>interpret string and print to console</td>
 914   </tr>
 915
 916   <tr>
 917     <td><a href="command-line-options.html#process">-process <var>image-filter</var></a></td>
 918     <td>process the image with a custom image filter</td>
 919   </tr>
 920
 921   <tr>
 922     <td><a href="command-line-options.html#profile">-profile <var>filename</var></a></td>
 923     <td>add, delete, or apply an image profile</td>
 924   </tr>
 925
 926   <tr>
 927     <td><a href="command-line-options.html#quality">-quality <var>value</var></a></td>
 928     <td>JPEG/MIFF/PNG compression level</td>
 929   </tr>
 930
 931   <tr>
 932     <td><a href="command-line-options.html#quantize">-quantize <var>colorspace</var></a></td>
 933     <td>reduce image colors in this colorspace</td>
 934   </tr>
 935
 936   <tr>
 937     <td><a href="command-line-options.html#quiet">-quiet</a></td>
 938     <td>suppress all warning messages</td>
 939   </tr>
 940
 941   <tr>
 942     <td><a href="command-line-options.html#radial-blur">-radial-blur <var>angle</var></a></td>
 943     <td>radial blur the image</td>
 944   </tr>
 945
 946   <tr>
 947     <td><a href="command-line-options.html#raise">-raise <var>value</var></a></td>
 948     <td>lighten/darken image edges to create a 3-D effect</td>
 949   </tr>
 950
 951   <tr>
 952     <td><a href="command-line-options.html#random-threshold">-random-threshold <var>low,high</var></a></td>
 953     <td>random threshold the image</td>
 954   </tr>
 955
 956   <tr>
 957     <td><a href="command-line-options.html#red-primary">-red-primary <var>point</var></a></td>
 958     <td>chromaticity red primary point</td>
 959   </tr>
 960
 961   <tr>
 962     <td><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
 963     <td>pay attention to warning messages.</td>
 964   </tr>
 965
 966   <tr>
 967     <td><a href="command-line-options.html#region">-region <var>geometry</var></a></td>
 968     <td>apply options to a portion of the image</td>
 969   </tr>
 970
 971   <tr>
 972     <td><a href="command-line-options.html#remap">-remap <var>filename</var></a></td>
 973     <td>transform image colors to match this set of colors</td>
 974   </tr>
 975
 976   <tr>
 977     <td><a href="command-line-options.html#render">-render</a></td>
 978     <td>render vector graphics</td>
 979   </tr>
 980
 981   <tr>
 982     <td><a href="command-line-options.html#repage">-repage <var>geometry</var></a></td>
 983     <td>size and location of an image canvas</td>
 984   </tr>
 985
 986   <tr>
 987     <td><a href="command-line-options.html#resample">-resample <var>geometry</var></a></td>
 988     <td>change the resolution of an image</td>
 989   </tr>
 990
 991   <tr>
 992     <td><a href="command-line-options.html#resize">-resize <var>geometry</var></a></td>
 993     <td>resize the image</td>
 994   </tr>
 995
 996   <tr>
 997     <td><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
 998     <td>settings remain in effect until parenthesis boundary.</td>
 999   </tr>
1000
1001   <tr>
1002     <td><a href="command-line-options.html#roll">-roll <var>geometry</var></a></td>
1003     <td>roll an image vertically or horizontally</td>
1004   </tr>
1005
1006   <tr>
1007     <td><a href="command-line-options.html#rotate">-rotate <var>degrees</var></a></td>
1008     <td>apply Paeth rotation to the image</td>
1009   </tr>
1010
1011   <tr>
1012     <td><a href="command-line-options.html#sample">-sample <var>geometry</var></a></td>
1013     <td>scale image with pixel sampling</td>
1014   </tr>
1015
1016   <tr>
1017     <td><a href="command-line-options.html#sampling-factor">-sampling-factor <var>geometry</var></a></td>
1018     <td>horizontal and vertical sampling factor</td>
1019   </tr>
1020
1021   <tr>
1022     <td><a href="command-line-options.html#scale">-scale <var>geometry</var></a></td>
1023     <td>scale the image</td>
1024   </tr>
1025
1026   <tr>
1027     <td><a href="command-line-options.html#scene">-scene <var>value</var></a></td>
1028     <td>image scene number</td>
1029   </tr>
1030
1031   <tr>
1032     <td><a href="command-line-options.html#seed">-seed <var>value</var></a></td>
1033     <td>seed a new sequence of pseudo-random numbers</td>
1034   </tr>
1035
1036   <tr>
1037     <td><a href="command-line-options.html#segment">-segment <var>values</var></a></td>
1038     <td>segment an image</td>
1039   </tr>
1040
1041   <tr>
1042     <td><a href="command-line-options.html#threshold">-selective-blur <var>geometry</var></a></td>
1043     <td>selectively blur pixels within a contrast threshold</td>
1044   </tr>
1045
1046   <tr>
1047     <td><a href="command-line-options.html#separate">-separate</a></td>
1048     <td>separate an image channel into a grayscale image</td>
1049   </tr>
1050
1051   <tr>
1052     <td><a href="command-line-options.html#sepia-tone">-sepia-tone <var>threshold</var></a></td>
1053     <td>simulate a sepia-toned photo</td>
1054   </tr>
1055
1056   <tr>
1057     <td><a href="command-line-options.html#set">-set <var>attribute value</var></a></td>
1058     <td>set an image attribute</td>
1059   </tr>
1060
1061   <tr>
1062     <td><a href="command-line-options.html#shade">-shade <var>degrees</var></a></td>
1063     <td>shade the image using a distant light source</td>
1064   </tr>
1065
1066   <tr>
1067     <td><a href="command-line-options.html#shadow">-shadow <var>geometry</var></a></td>
1068     <td>simulate an image shadow</td>
1069   </tr>
1070
1071   <tr>
1072     <td><a href="command-line-options.html#sharpen">-sharpen <var>geometry</var></a></td>
1073     <td>sharpen the image</td>
1074   </tr>
1075
1076   <tr>
1077     <td><a href="command-line-options.html#shave">-shave <var>geometry</var></a></td>
1078     <td>shave pixels from the image edges</td>
1079   </tr>
1080
1081   <tr>
1082     <td><a href="command-line-options.html#shear">-shear <var>geometry</var></a></td>
1083     <td>slide one edge of the image along the X or Y axis</td>
1084   </tr>
1085
1086   <tr>
1087     <td><a href="command-line-options.html#sigmoidal">-sigmoidal-contrast <var>geometry</var></a></td>
1088     <td>increase the contrast without saturating highlights or shadows</td>
1089   </tr>
1090
1091   <tr>
1092     <td><a href="command-line-options.html#smush">-smush <var>offset</var></a></td>
1093     <td>smush an image sequence together</td>
1094   </tr>
1095
1096   <tr>
1097     <td><a href="command-line-options.html#size">-size <var>geometry</var></a></td>
1098     <td>width and height of image</td>
1099   </tr>
1100
1101   <tr>
1102     <td><a href="command-line-options.html#sketch">-sketch <var>geometry</var></a></td>
1103     <td>simulate a pencil sketch</td>
1104   </tr>
1105
1106   <tr>
1107     <td><a href="command-line-options.html#solarize">-solarize <var>threshold</var></a></td>
1108     <td>negate all pixels above the threshold level</td>
1109   </tr>
1110
1111   <tr>
1112     <td><a href="command-line-options.html#splice">-splice <var>geometry</var></a></td>
1113     <td>splice the background color into the image</td>
1114   </tr>
1115
1116   <tr>
1117     <td><a href="command-line-options.html#spread">-spread <var>radius</var></a></td>
1118     <td>displace image pixels by a random amount</td>
1119   </tr>
1120
1121   <tr>
1122     <td><a href="command-line-options.html#statistic">-statistic <var>type</var> <var>geometry</var></a></td>
1123     <td>replace each pixel with corresponding statistic from the neighborhood</td>
1124   </tr>
1125
1126   <tr>
1127     <td><a href="command-line-options.html#strip">-strip</a></td>
1128     <td>strip image of all profiles and comments</td>
1129   </tr>
1130
1131   <tr>
1132     <td><a href="command-line-options.html#stroke">-stroke <var>color</var></a></td>
1133     <td>graphic primitive stroke color</td>
1134   </tr>
1135
1136   <tr>
1137     <td><a href="command-line-options.html#strokewidth">-strokewidth <var>value</var></a></td>
1138     <td>graphic primitive stroke width</td>
1139   </tr>
1140
1141   <tr>
1142     <td><a href="command-line-options.html#stretch">-stretch <var>type</var></a></td>
1143     <td>render text with this font stretch</td>
1144   </tr>
1145
1146   <tr>
1147     <td><a href="command-line-options.html#style">-style <var>type</var></a></td>
1148     <td>render text with this font style</td>
1149   </tr>
1150
1151   <tr>
1152     <td><a href="command-line-options.html#swap">-swap <var>indexes</var></a></td>
1153     <td>swap two images in the image sequence</td>
1154   </tr>
1155
1156   <tr>
1157     <td><a href="command-line-options.html#swirl">-swirl <var>degrees</var></a></td>
1158     <td>swirl image pixels about the center</td>
1159   </tr>
1160
1161   <tr>
1162     <td><a href="command-line-options.html#synchronize">-synchronize</a></td>
1163     <td>synchronize image to storage device</td>
1164   </tr>
1165
1166   <tr>
1167     <td><a href="command-line-options.html#taint">-taint</a></td>
1168     <td>mark the image as modified</td>
1169   </tr>
1170
1171   <tr>
1172     <td><a href="command-line-options.html#texture">-texture <var>filename</var></a></td>
1173     <td>name of texture to tile onto the image background</td>
1174   </tr>
1175
1176   <tr>
1177     <td><a href="command-line-options.html#threshold">-threshold <var>value</var></a></td>
1178     <td>threshold the image</td>
1179   </tr>
1180
1181   <tr>
1182     <td><a href="command-line-options.html#thumbnail">-thumbnail <var>geometry</var></a></td>
1183     <td>create a thumbnail of the image</td>
1184   </tr>
1185
1186   <tr>
1187     <td><a href="command-line-options.html#tile">-tile <var>filename</var></a></td>
1188     <td>tile image when filling a graphic primitive</td>
1189   </tr>
1190
1191   <tr>
1192     <td><a href="command-line-options.html#tile-offset">-tile-offset <var>geometry</var></a></td>
1193     <td>set the image tile offset</td>
1194   </tr>
1195
1196   <tr>
1197     <td><a href="command-line-options.html#tint">-tint <var>value</var></a></td>
1198     <td>tint the image with the fill color</td>
1199   </tr>
1200
1201   <tr>
1202     <td><a href="command-line-options.html#transform">-transform</a></td>
1203     <td>affine transform image</td>
1204   </tr>
1205
1206   <tr>
1207     <td><a href="command-line-options.html#transparent">-transparent <var>color</var></a></td>
1208     <td>make this color transparent within the image</td>
1209   </tr>
1210
1211   <tr>
1212     <td><a href="command-line-options.html#transparent-color">-transparent-color <var>color</var></a></td>
1213     <td>transparent color</td>
1214   </tr>
1215
1216   <tr>
1217     <td><a href="command-line-options.html#transpose">-transpose</a></td>
1218     <td>flip image in the vertical direction and rotate 90 degrees</td>
1219   </tr>
1220
1221   <tr>
1222     <td><a href="command-line-options.html#transverse">-transverse</a></td>
1223     <td>flop image in the horizontal direction and rotate 270 degrees</td>
1224   </tr>
1225
1226   <tr>
1227     <td><a href="command-line-options.html#treedepth">-treedepth <var>value</var></a></td>
1228     <td>color tree depth</td>
1229   </tr>
1230
1231   <tr>
1232     <td><a href="command-line-options.html#trim">-trim</a></td>
1233     <td>trim image edges</td>
1234   </tr>
1235
1236   <tr>
1237     <td><a href="command-line-options.html#type">-type <var>type</var></a></td>
1238     <td>image type</td>
1239   </tr>
1240
1241   <tr>
1242     <td><a href="command-line-options.html#undercolor">-undercolor <var>color</var></a></td>
1243     <td>annotation bounding box color</td>
1244   </tr>
1245
1246   <tr>
1247     <td><a href="command-line-options.html#unique-colors">-unique-colors</a></td>
1248     <td>discard all but one of any pixel color.</td>
1249   </tr>
1250
1251   <tr>
1252     <td><a href="command-line-options.html#units">-units <var>type</var></a></td>
1253     <td>the units of image resolution</td>
1254   </tr>
1255
1256   <tr>
1257     <td><a href="command-line-options.html#unsharp">-unsharp <var>geometry</var></a></td>
1258     <td>sharpen the image</td>
1259   </tr>
1260
1261   <tr>
1262     <td><a href="command-line-options.html#verbose">-verbose</a></td>
1263     <td>print detailed information about the image</td>
1264   </tr>
1265
1266   <tr>
1267     <td><a href="command-line-options.html#version">-version</a></td>
1268     <td>print version information</td>
1269   </tr>
1270
1271   <tr>
1272     <td><a href="command-line-options.html#view">-view</a></td>
1273     <td>FlashPix viewing transforms</td>
1274   </tr>
1275
1276   <tr>
1277     <td><a href="command-line-options.html#vignette">-vignette <var>geometry</var></a></td>
1278     <td>soften the edges of the image in vignette style</td>
1279   </tr>
1280
1281   <tr>
1282     <td><a href="command-line-options.html#virtual-pixel">-virtual-pixel <var>method</var></a></td>
1283     <td>access method for pixels outside the boundaries of the image</td>
1284   </tr>
1285
1286   <tr>
1287     <td><a href="command-line-options.html#wave">-wave <var>geometry</var></a></td>
1288     <td>alter an image along a sine wave</td>
1289   </tr>
1290
1291   <tr>
1292     <td><a href="command-line-options.html#wavelet">-wavelet-denoise <var>threshold</var></a></td>
1293     <td>removes noise from the image using a wavelet transform</td>
1294   </tr>
1295
1296   <tr>
1297     <td><a href="command-line-options.html#weight">-weight <var>type</var></a></td>
1298     <td>render text with this font weight</td>
1299   </tr>
1300
1301   <tr>
1302     <td><a href="command-line-options.html#white-point">-white-point <var>point</var></a></td>
1303     <td>chromaticity white point</td>
1304   </tr>
1305
1306   <tr>
1307     <td><a href="command-line-options.html#white-threshold">-white-threshold <var>value</var></a></td>
1308     <td>force all pixels above the threshold into white</td>
1309   </tr>
1310
1311   <tr>
1312     <td><a href="command-line-options.html#write">-write <var>filename</var></a></td>
1313     <td>write images to this file</td>
1314   </tr>
1315 </table>
1316 </div>
1317 </div>
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