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  47 <p class="text-center"><a href="display.html#usage">Example Usage</a> • <a href="display.html#options">Option Summary</a></p>
  48
  49 <p class="lead magick-description">Use the <code>display</code> program to display an image or image sequence on any X server.  See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <code>display</code> command or see below for example usages of the command.</p>
  50
  51 <h2 class="magick-header"><a id="usage"></a>Example Usage</h2>
  52
  53 <p>We list a few examples of the <code>display</code> command here to illustrate its usefulness and ease of use.  To get started, lets display an image in the JPEG format:</p>
  54
  55 <pre>
  56 display rose.jpg
  57 </pre>
  58
  59 <p>To tile a slate texture onto the root window, use:</p>
  60
  61 <pre>
  62 display -size 1280x1024 -window root slate.png
  63 </pre>
  64
  65 <p>To display a visual image directory of all your JPEG images, use:</p>
  66
  67 <pre>
  68 display 'vid:*.jpg'
  69 </pre>
  70
  71 <p>The display program defaults to the X screen resolution.  To display vecotr formats at their intended size, override the default resolution:</p>
  72
  73 <pre>
  74 display -density 72 drawing.svg
  75 </pre>
  76
  77 <p>You can find additional examples of using <code>display</code> in <a href="http://www.ibm.com/developerworks/library/l-graf/">Graphics from the Command Line</a>.  Further discussion is available in  <a href="https://www.ibm.com/developerworks/library/l-graf2/">More Graphics from the Command Line</a> and <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
  78
  79
  80 <h2 class="magick-header"><a id="options"></a>Option Summary</h2>
  81
  82 <p>The <code>display</code> command recognizes these options.  Click on an option to get more details about how that option works.</p>
  83
  84 <table class="table table-condensed table-striped">
  85   <tbody>
  86   <tr>
  87     <th align="left">Option</th>
  88     <th align="left">Description</th>
  89   </tr>
  90
  91   <tr>
  92     <td><a href="command-line-options.html#alpha">-alpha</a></td>
  93     <td>on, activate, off, deactivate, set, opaque, copy",
  94 transparent, extract, background, or shape the alpha channel</td>
  95   </tr>
  96
  97   <tr>
  98     <td><a href="command-line-options.html#antialias">-antialias</a></td>
  99     <td>remove pixel-aliasing</td>
 100   </tr>
 101
 102   <tr>
 103     <td><a href="command-line-options.html#authenticate">-authenticate <var>value</var></a></td>
 104     <td>decrypt image with this password</td>
 105   </tr>
 106
 107   <tr>
 108     <td><a href="command-line-options.html#backdrop">-backdrop</a></td>
 109     <td>display image centered on a backdrop</td>
 110   </tr>
 111
 112   <tr>
 113     <td><a href="command-line-options.html#background">-background <var>color</var></a></td>
 114     <td>background color</td>
 115   </tr>
 116
 117   <tr>
 118     <td><a href="command-line-options.html#border">-border <var>geometry</var></a></td>
 119     <td>surround image with a border of color</td>
 120   </tr>
 121
 122   <tr>
 123     <td><a href="command-line-options.html#bordercolor">-bordercolor <var>color</var></a></td>
 124     <td>border color</td>
 125   </tr>
 126
 127   <tr>
 128     <td><a href="command-line-options.html#channel">-channel <var>type</var></a></td>
 129     <td>apply option to select image channels</td>
 130   </tr>
 131
 132   <tr>
 133     <td><a href="command-line-options.html#clip">-clip</a></td>
 134     <td>clip along the first path from the 8BIM profile</td>
 135   </tr>
 136
 137   <tr>
 138     <td><a href="command-line-options.html#clip-path">-clip-path <var>id</var></a></td>
 139     <td>clip along a named path from the 8BIM profile</td>
 140   </tr>
 141
 142   <tr>
 143     <td><a href="command-line-options.html#coalesce">-coalesce</a></td>
 144     <td>merge a sequence of images</td>
 145   </tr>
 146
 147   <tr>
 148     <td><a href="command-line-options.html#colormap">-colormap <var>type</var></a></td>
 149     <td>Shared or Private</td>
 150   </tr>
 151
 152   <tr>
 153     <td><a href="command-line-options.html#colors">-colors <var>value</var></a></td>
 154     <td>preferred number of colors in the image</td>
 155   </tr>
 156
 157   <tr>
 158     <td><a href="command-line-options.html#colorspace">-colorspace <var>type</var></a></td>
 159     <td>set image colorspace</td>
 160   </tr>
 161
 162   <tr>
 163     <td><a href="command-line-options.html#comment">-comment <var>string</var></a></td>
 164     <td>annotate image with comment</td>
 165   </tr>
 166
 167   <tr>
 168     <td><a href="command-line-options.html#compress">-compress <var>type</var></a></td>
 169     <td>image compression type</td>
 170   </tr>
 171
 172   <tr>
 173     <td><a href="command-line-options.html#contrast">-contrast</a></td>
 174     <td>enhance or reduce the image contrast</td>
 175   </tr>
 176
 177   <tr>
 178     <td><a href="command-line-options.html#crop">-crop <var>geometry</var></a></td>
 179     <td>preferred size and location of the cropped image</td>
 180   </tr>
 181
 182   <tr>
 183     <td><a href="command-line-options.html#debug">-debug <var>events</var></a></td>
 184     <td>display copious debugging information</td>
 185   </tr>
 186
 187   <tr>
 188     <td><a href="command-line-options.html#decipher">-decipher <var>filename</var></a></td>
 189     <td>convert cipher pixels to plain</td>
 190   </tr>
 191
 192   <tr>
 193     <td><a href="command-line-options.html#define">-define <var>format:option</var></a></td>
 194     <td>define one or more image format options</td>
 195   </tr>
 196
 197   <tr>
 198     <td><a href="command-line-options.html#delay">-delay <var>value</var></a></td>
 199     <td>display the next image after pausing</td>
 200   </tr>
 201
 202   <tr>
 203     <td><a href="command-line-options.html#density">-density <var>geometry</var></a></td>
 204     <td>horizontal and vertical density of the image</td>
 205   </tr>
 206
 207   <tr>
 208     <td><a href="command-line-options.html#depth">-depth <var>value</var></a></td>
 209     <td>image depth</td>
 210   </tr>
 211
 212   <tr>
 213     <td><a href="command-line-options.html#despeckle">-despeckle</a></td>
 214     <td>reduce the speckles within an image</td>
 215   </tr>
 216
 217   <tr>
 218     <td><a href="command-line-options.html#display">-display <var>server</var></a></td>
 219     <td>get image or font from this X server</td>
 220   </tr>
 221
 222   <tr>
 223     <td><a href="command-line-options.html#dispose">-dispose <var>method</var></a></td>
 224     <td>layer disposal method</td>
 225   </tr>
 226
 227   <tr>
 228     <td><a href="command-line-options.html#dither">-dither  <var>method</var></a></td>
 229     <td>apply error diffusion to image</td>
 230   </tr>
 231
 232   <tr>
 233     <td><a href="command-line-options.html#edge">-edge <var>radius</var></a></td>
 234     <td>apply a filter to detect edges in the image</td>
 235   </tr>
 236
 237   <tr>
 238     <td><a href="command-line-options.html#endian">-endian <var>type</var></a></td>
 239     <td>endianness (MSB or LSB) of the image</td>
 240   </tr>
 241
 242   <tr>
 243     <td><a href="command-line-options.html#enhance">-enhance</a></td>
 244     <td>apply a digital filter to enhance a noisy image</td>
 245   </tr>
 246
 247   <tr>
 248     <td><a href="command-line-options.html#equalize">-equalize</a></td>
 249     <td>perform histogram equalization to an image</td>
 250   </tr>
 251
 252   <tr>
 253     <td><a href="command-line-options.html#extract">-extract <var>geometry</var></a></td>
 254     <td>extract area from image</td>
 255   </tr>
 256
 257   <tr>
 258     <td><a href="command-line-options.html#filter">-filter <var>type</var></a></td>
 259     <td>use this filter when resizing an image</td>
 260   </tr>
 261
 262   <tr>
 263     <td><a href="command-line-options.html#flatten">-flatten</a></td>
 264     <td>flatten a sequence of images</td>
 265   </tr>
 266
 267   <tr>
 268     <td><a href="command-line-options.html#flip">-flip</a></td>
 269     <td>flip image in the vertical direction</td>
 270   </tr>
 271
 272   <tr>
 273     <td><a href="command-line-options.html#flop">-flop</a></td>
 274     <td>flop image in the horizontal direction</td>
 275   </tr>
 276
 277   <tr>
 278     <td><a href="command-line-options.html#frame">-frame <var>geometry</var></a></td>
 279     <td>surround image with an ornamental border</td>
 280   </tr>
 281
 282   <tr>
 283     <td><a href="command-line-options.html#fuzz">-fuzz <var>distance</var></a></td>
 284     <td>colors within this distance are considered equal</td>
 285   </tr>
 286
 287   <tr>
 288     <td><a href="command-line-options.html#gamma">-gamma <var>value</var></a></td>
 289     <td>level of gamma correction</td>
 290   </tr>
 291
 292   <tr>
 293     <td><a href="command-line-options.html#geometry">-geometry <var>geometry</var></a></td>
 294     <td>preferred size or location of the image</td>
 295   </tr>
 296
 297   <tr>
 298     <td><a href="command-line-options.html#gravity">-gravity <var>geometry</var></a></td>
 299     <td>horizontal and vertical backdrop placement</td>
 300   </tr>
 301
 302   <tr>
 303     <td><a href="command-line-options.html#help">-help</a></td>
 304     <td>print program options</td>
 305   </tr>
 306
 307   <tr>
 308     <td><a href="command-line-options.html#identify">-identify</a></td>
 309     <td>identify the format and characteristics of the image</td>
 310   </tr>
 311
 312   <tr>
 313     <td><a href="command-line-options.html#immutable">-immutable <var>type</var></a></td>
 314     <td>prohibit image edits</td>
 315   </tr>
 316
 317   <tr>
 318     <td><a href="command-line-options.html#interlace">-interlace <var>type</var></a></td>
 319     <td>type of image interlacing scheme</td>
 320   </tr>
 321
 322   <tr>
 323     <td><a href="command-line-options.html#interpolate">-interpolate <var>method</var></a></td>
 324     <td>pixel color interpolation method</td>
 325   </tr>
 326
 327   <tr>
 328     <td><a href="command-line-options.html#label">-label <var>name</var></a></td>
 329     <td>assign a label to an image</td>
 330   </tr>
 331
 332   <tr>
 333     <td><a href="command-line-options.html#limit">-limit <var>type value</var></a></td>
 334     <td>pixel cache resource limit</td>
 335   </tr>
 336
 337   <tr>
 338     <td><a href="command-line-options.html#log">-log <var>format</var></a></td>
 339     <td>format of debugging information</td>
 340   </tr>
 341
 342   <tr>
 343     <td><a href="command-line-options.html#map">-map <var>filename</var></a></td>
 344     <td>transform image colors to match this set of colors</td>
 345   </tr>
 346
 347   <tr>
 348     <td><a href="command-line-options.html#mattecolor">-mattecolor <var>color</var></a></td>
 349     <td>frame color</td>
 350   </tr>
 351
 352   <tr>
 353     <td><a href="command-line-options.html#monitor">-monitor</a></td>
 354     <td>monitor progress</td>
 355   </tr>
 356
 357   <tr>
 358     <td><a href="command-line-options.html#monochrome">-monochrome</a></td>
 359     <td>transform image to black and white</td>
 360   </tr>
 361
 362   <tr>
 363     <td><a href="command-line-options.html#negate">-negate</a></td>
 364     <td>replace each pixel with its complementary color </td>
 365   </tr>
 366
 367   <tr>
 368     <td><a href="command-line-options.html#normalize">-normalize</a></td>
 369     <td>transform image to span the full range of colors</td>
 370   </tr>
 371
 372   <tr>
 373     <td><a href="command-line-options.html#page">-page <var>geometry</var></a></td>
 374     <td>size and location of an image canvas (setting)</td>
 375   </tr>
 376
 377   <tr>
 378     <td><a href="command-line-options.html#profile">-profile <var>filename</var></a></td>
 379     <td>add, delete, or apply an image profile</td>
 380   </tr>
 381
 382   <tr>
 383     <td><a href="command-line-options.html#quantize">-quantize <var>colorspace</var></a></td>
 384     <td>reduce image colors in this colorspace</td>
 385   </tr>
 386
 387   <tr>
 388     <td><a href="command-line-options.html#quiet">-quiet</a></td>
 389     <td>suppress all warning messages</td>
 390   </tr>
 391
 392   <tr>
 393     <td><a href="command-line-options.html#raise">-raise <var>value</var></a></td>
 394     <td>lighten/darken image edges to create a 3-D effect</td>
 395   </tr>
 396
 397   <tr>
 398     <td><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
 399     <td>pay attention to warning messages.</td>
 400   </tr>
 401
 402   <tr>
 403     <td><a href="command-line-options.html#remote">-remote <var>command</var></a></td>
 404     <td>execute a command in an remote display process</td>
 405   </tr>
 406
 407   <tr>
 408     <td><a href="command-line-options.html#resample">-resample <var>geometry</var></a></td>
 409     <td>change the resolution of an image</td>
 410   </tr>
 411
 412   <tr>
 413     <td><a href="command-line-options.html#resize">-resize <var>geometry</var></a></td>
 414     <td>resize the image</td>
 415   </tr>
 416
 417   <tr>
 418     <td><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
 419     <td>settings remain in effect until parenthesis boundary.</td>
 420   </tr>
 421
 422   <tr>
 423     <td><a href="command-line-options.html#roll">-roll <var>geometry</var></a></td>
 424     <td>roll an image vertically or horizontally</td>
 425   </tr>
 426
 427   <tr>
 428     <td><a href="command-line-options.html#rotate">-rotate <var>degrees</var></a></td>
 429     <td>apply Paeth rotation to the image</td>
 430   </tr>
 431
 432   <tr>
 433     <td><a href="command-line-options.html#sample">-sample <var>geometry</var></a></td>
 434     <td>scale image with pixel sampling</td>
 435   </tr>
 436
 437   <tr>
 438     <td><a href="command-line-options.html#sampling-factor">-sampling-factor <var>geometry</var></a></td>
 439     <td>horizontal and vertical sampling factor</td>
 440   </tr>
 441
 442   <tr>
 443     <td><a href="command-line-options.html#scene">-scene <var>value</var></a></td>
 444     <td>image scene number</td>
 445   </tr>
 446
 447   <tr>
 448     <td><a href="command-line-options.html#seed">-seed <var>value</var></a></td>
 449     <td>seed a new sequence of pseudo-random numbers</td>
 450   </tr>
 451
 452   <tr>
 453     <td><a href="command-line-options.html#segment">-segment <var>values</var></a></td>
 454     <td>segment an image</td>
 455   </tr>
 456
 457   <tr>
 458     <td><a href="command-line-options.html#set">-set <var>attribute value</var></a></td>
 459     <td>set an image attribute</td>
 460   </tr>
 461
 462   <tr>
 463     <td><a href="command-line-options.html#sharpen">-sharpen <var>geometry</var></a></td>
 464     <td>sharpen the image</td>
 465   </tr>
 466
 467   <tr>
 468     <td><a href="command-line-options.html#size">-size <var>geometry</var></a></td>
 469     <td>width and height of image</td>
 470   </tr>
 471
 472   <tr>
 473     <td><a href="command-line-options.html#strip">-strip</a></td>
 474     <td>strip image of all profiles and comments</td>
 475   </tr>
 476
 477   <tr>
 478     <td><a href="command-line-options.html#thumbnail">-thumbnail <var>geometry</var></a></td>
 479     <td>create a thumbnail of the image</td>
 480   </tr>
 481
 482   <tr>
 483     <td><a href="command-line-options.html#transparent-color">-transparent-color <var>color</var></a></td>
 484     <td>transparent color</td>
 485   </tr>
 486
 487   <tr>
 488     <td><a href="command-line-options.html#black-threshold">-black-threshold <var>value</var></a></td>
 489     <td>force all pixels below the threshold into black</td>
 490   </tr>
 491
 492   <tr>
 493     <td><a href="command-line-options.html#trim">-trim</a></td>
 494     <td>trim image edges</td>
 495   </tr>
 496
 497   <tr>
 498     <td><a href="command-line-options.html#update">-update <var>seconds</var></a></td>
 499     <td>detect when image file is modified and redisplay</td>
 500   </tr>
 501
 502   <tr>
 503     <td><a href="command-line-options.html#verbose">-verbose</a></td>
 504     <td>print detailed information about the image</td>
 505   </tr>
 506
 507   <tr>
 508     <td><a href="command-line-options.html#version">-version</a></td>
 509     <td>print version information</td>
 510   </tr>
 511
 512   <tr>
 513     <td><a href="command-line-options.html#virtual-pixel">-virtual-pixel <var>method</var></a></td>
 514     <td>access method for pixels outside the boundaries of the image</td>
 515   </tr>
 516
 517   <tr>
 518     <td><a href="command-line-options.html#visual">-visual</a></td>
 519     <td>display image using this visual type</td>
 520   </tr>
 521
 522   <tr>
 523     <td><a href="command-line-options.html#write">-window <var>id</var></a></td>
 524     <td>display image to background of this window</td>
 525   </tr>
 526
 527   <tr>
 528     <td><a href="command-line-options.html#write">-window-group <var>id</var></a></td>
 529     <td>exit program when this window id is destroyed</td>
 530   </tr>
 531
 532   <tr>
 533     <td><a href="command-line-options.html#write">-write <var>filename</var></a></td>
 534     <td>write images to this file</td>
 535   </tr>
 536   </tbody>
 537 </table>
 538
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