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<title>ImageMagick: Command-line Tools: Identify</title>
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<p class="navigation-index">[<a href="#usage">Example Usage</a> • <a href="#options">Option Summary</a>]</p>
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Tainted: False <br/>
Filesize: 3.97266kb <br/>
Number pixels: 3.14453kb <br/>
- Version: ImageMagick 6.5.5-6 2009-09-01 Q16 http://www.imagemagick.org</span></p>
+ Version: ImageMagick 6.5.9-1 2010-12-11 Q16 http://www.imagemagick.org</span></p>
<p>To get the print size in inches of an image at 72 DPI, use:</p>
<p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>identify -format "%[fx:w/72] by %[fx:h/72] inches" document.png</span><span class='crtout'>8.5 x 11 inches</span></p>
<p>The depth and dimensions of a raw image must be specified on the command line:</p>
<p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>identify -depth 8 -size 640x480 image.raw</span><span class='crtout'>image.raw RGB 640x480 DirectClass 9kb 0.000u 0:01</span></p>
-<p>Here we display the number of unique colors in the image:</p>
+<p>Here we display the image texture features and the number of unique colors in the image:</p>
-<p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>identify -define unique=true -verbose image.png</span></p>
+<p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>identify -verbose -features 1 -unique image.png</span></p>
<p>You can find additional examples of using <kbd>identify</kbd> in <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
</div>
<td valign="top">extract area from image</td>
</tr>
+ <tr>
+ <td valign="top"><a href="../www/command-line-options.html#features">-features <em class="option">distance</em></a></td>
+ <td valign="top">display image features (e.g. contract, correlations, etc.).</td>
+ </tr>
+
<tr>
<td valign="top"><a href="../www/command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
<td valign="top">output formatted image characteristics</td>
<td valign="top">monitor progress</td>
</tr>
+ <tr>
+ <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
+ <td valign="top">replace each pixel with its complementary color </td>
+ </tr>
+
<tr>
<td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
<td valign="top">suppress all warning messages</td>
<td valign="top">strip image of all profiles and comments</td>
</tr>
+ <tr>
+ <td valign="top"><a href="../www/command-line-options.html#unique">-unique</a></td>
+ <td valign="top">display image the number of unique colors in the image.</td>
+ </tr>
+
<tr>
<td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
<td valign="top">the units of image resolution</td>
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projects / imagemagick / blobdiff