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+<p class="text-center"><a href="identify.html#usage">Example Usage</a> • <a href="identify.html#options">Option Summary</a></p>
-<div class="main">
-
+<p class="lead magick-description">The <code>identify</code> program describes the format and characteristics of one or more image files. It also reports if an image is incomplete or corrupt. The information returned includes the image number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.), and finally the number of seconds it took to read and process the image. Many more attributes are available with the verbose option. See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <code>identify</code> command or see below for example usages of the command.</p>
+<h2 class="magick-post-title"><a id="usage"></a>Example Usage</h2>
-<h1>ImageMagick Identify Command-line Tool</h1>
-<p class="navigation-index">[<a href="identify.html#usage">Example Usage</a> • <a href="identify.html#options">Option Summary</a>]</p>
+<p>We list a few examples of the <code>identify</code> command here to illustrate its usefulness and ease of use. To get started, lets identify an image in the JPEG format:</p>
-<div class="doc-section">
-<p>The <kbd>identify</kbd> program describes the format and characteristics of one or more image files. It also reports if an image is incomplete or corrupt. The information returned includes the image number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.), and finally the number of seconds it took to read and process the image. Many more attributes are available with the verbose option. See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>identify</kbd> command or see below for example usages of the command.</p>
-</div>
+<pre><code>
+-> magick identify rose.jpg
+rose.jpg JPEG 70x46 70x46+0+0 8-bit sRGB 2.36KB 0.000u 0:00.000
+</code></pre>
-<h2><a id="usage"></a>Example Usage</h2>
-<div class="doc-section">
-
-<p>We list a few examples of the <kbd>identify</kbd> command here to illustrate its usefulness and ease of use. To get started, lets identify an image in the JPEG format:</p>
-
-<p class='crt'><span class="crtprompt"> $ </span><span class='crtin'>identify rose.jpg</span><span class='crtout'> rose.jpg JPEG 640x480 DirectClass 87kb 0.050u 0:01</span></p>
<p>Next, we look at the same image in greater detail:</p>
-<p class='crt'><span class="crtprompt"> $ </span><span class='crtin'>identify -verbose rose.jpg</span><span class='crtout'>Image: rose.jpg <br/>
- Format: JPEG (Joint Photographic Experts Group JFIF format) <br/>
- Class: DirectClass <br/>
- Geometry: 70x46+0+0 <br/>
- Resolution: 72x72 <br/>
- Print size: 0.972222x0.638889 <br/>
- Units: PixelsPerInch <br/>
- Type: TrueColor <br/>
- Endianess: Undefined <br/>
- Colorspace: RGB <br/>
- Depth: 8-bit <br/>
- Channel depth: <br/>
- red: 8-bit <br/>
- green: 8-bit <br/>
- blue: 8-bit <br/>
- Channel statistics: <br/>
- red: <br/>
- min: 37 (0.145098) <br/>
- max: 255 (1) <br/>
- mean: 145.58 (0.5709) <br/>
- standard deviation: 67.3195 (0.263998) <br/>
- green: <br/>
- min: 31 (0.121569) <br/>
- max: 255 (1) <br/>
- mean: 89.2512 (0.350005) <br/>
- standard deviation: 52.0488 (0.204113) <br/>
- blue: <br/>
- min: 17 (0.0666667) <br/>
- max: 255 (1) <br/>
- mean: 80.4075 (0.315323) <br/>
- standard deviation: 54.0052 (0.211785) <br/>
- Rendering intent: Undefined <br/>
- Interlace: None <br/>
- Background color: white <br/>
- Border color: rgb(223,223,223) <br/>
- Matte color: grey74 <br/>
- Transparent color: black <br/>
- Page geometry: 70x46+0+0 <br/>
- Dispose: Undefined <br/>
- Iterations: 0 <br/>
- Compression: JPEG <br/>
- Quality: 100 <br/>
- Orientation: Undefined <br/>
- Properties: <br/>
- date:create: 2008-01-08T11:08:52-05:00 <br/>
- date:modify: 2005-04-07T12:48:13-04:00 <br/>
- jpeg:colorspace: 2 <br/>
- jpeg:sampling-factor: 2x2,1x1,1x1 <br/>
- signature: dcd00d6303f80f4fa53f991804cb026151c1e851b7a96255e82da87299583ebc <br/>
- Artifacts: <br/>
- verbose: true <br/>
- Tainted: False <br/>
- Filesize: 3.97266kb <br/>
- Number pixels: 3.14453kb <br/>
- Version: ImageMagick 6.7.7-5 2012-05-18 Q16 http://www.imagemagick.org</span></p>
+<pre class="pre-scrollable"><code>-> magick identify -verbose rose.jpg
+Image: rose.jpg
+ Format: JPEG (Joint Photographic Experts Group JFIF format)
+ Mime type: images/jpeg
+ Class: DirectClass
+ Geometry: 70x46+0+0
+ Units: Undefined
+ Type: TrueColor
+ Endianess: Undefined
+ Colorspace: sRGB
+ Depth: 8-bit
+ Channel depth:
+ Red: 8-bit
+ Green: 8-bit
+ Blue: 8-bit
+ Channel statistics:
+ Pixels: 3220
+ Red:
+ min: 31 (0.121569)
+ max: 255 (1)
+ mean: 145.557 (0.570814)
+ standard deviation: 69.1933 (0.271346)
+ kurtosis: -1.38945
+ skewness: 0.138955
+ entropy: 0.970683
+ Green:
+ min: 27 (0.105882)
+ max: 255 (1)
+ mean: 89.246 (0.349984)
+ standard deviation: 52.4608 (0.205729)
+ kurtosis: 2.60139
+ skewness: 1.80708
+ entropy: 0.869711
+ Blue:
+ min: 21 (0.0823529)
+ max: 255 (1)
+ mean: 80.4196 (0.315371)
+ standard deviation: 54.9377 (0.215442)
+ kurtosis: 2.93417
+ skewness: 1.95544
+ entropy: 0.853176
+ Image statistics:
+ Overall:
+ min: 21 (0.0823529)
+ max: 255 (1)
+ mean: 105.074 (0.412056)
+ standard deviation: 58.8639 (0.230839)
+ kurtosis: 1.37788
+ skewness: 1.48073
+ entropy: 0.897856
+ Rendering intent: Perceptual
+ Gamma: 0.454545
+ Chromaticity:
+ red primary: (0.64,0.33)
+ green primary: (0.3,0.6)
+ blue primary: (0.15,0.06)
+ white point: (0.3127,0.329)
+ Alpha color: grey74
+ Background color: white
+ Border color: srgb(223,223,223)
+ Transparent color: none
+ Interlace: None
+ Intensity: Undefined
+ Compose: Over
+ Page geometry: 70x46+0+0
+ Dispose: Undefined
+ Iterations: 0
+ Compression: JPEG
+ Quality: 92
+ Orientation: Undefined
+ Properties:
+ jpeg:colorspace: 2
+ jpeg:sampling-factor: 1x1,1x1,1x1
+ signature: aea65c9b557d779d142f26d04abe7008bab50f1e9647faae20afdcc6c15140d5
+ Artifacts:
+ verbose: true
+ Tainted: False
+ Filesize: 2.65KB
+ Number pixels: 3.22K
+ User time: 0.000u
+ Elapsed time: 0:01.000
+ Version: ImageMagick 7.0.4-8 Q16 x86_64 http://www.imagemagick.org
+</code></pre>
+
<p>To get the print size in inches of an image at 72 DPI, use:</p>
-<p class='crt'><span class="crtprompt"> $ </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>
+<pre><code>
+-> magick identify -format "%[fx:w/72] by %[fx:h/72] inches" document.png
+8.5 x 11 inches
+</code></pre>
+
<p>The depth and dimensions of a raw image must be specified on the command line:</p>
-<p class='crt'><span class="crtprompt"> $ </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 image texture features and the number of unique colors in the image:</p>
+<pre><code>
+-> magick identify -depth 8 -size 640x480 image.raw
+image.raw RGB 640x480 sRGB 9kb 0.000u 0:01
+</code></pre>
-<p class='crt'><span class="crtprompt"> $ </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>
+<p>Here we display the image texture features, moments, perceptual hash, and the number of unique colors in the image:</p>
-</div>
+<pre><code>
+-> magick identify -verbose -features 1 -moments -unique image.png
+</code></pre>
-<h2><a id="options"></a>Option Summary</h2>
-<div class="doc-section">
+<p>Here is a special define that outputs the location of the minimum or maximum pixel of the image:</p>
-<p>The <kbd>identify</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p>
+<pre><code>
+magick identify -precision 5 -define identify:locate=maximum -define identify:limit=3 image.png
+</code></pre>
-<table class="doc">
+<p>You can find additional examples of using <code>identify</code> in <a href="https://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
+
+<h2 class="magick-post-title"><a id="options"></a>Option Summary</h2>
+
+<p>The <code>identify</code> command recognizes these options. Click on an option to get more details about how that option works.</p>
+
+<table class="table table-sm table-striped">
<tbody>
<tr>
<th align="left">Option</th>
</tr>
<tr>
- <td
valign="top"><a href="command-line-options.html#alpha">-alpha</a></td>
- <td valign="top">on, activate, off, deactivate, set, opaque, copy",
+ <td><a href="command-line-options.html#alpha">-alpha</a></td>
+ <td>on, activate, off, deactivate, set, opaque, copy",
transparent, extract, background, or shape the alpha channel</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#antialias">-antialias</a></td>
- <td valign="top">remove pixel-aliasing</td>
+ <td><a href="command-line-options.html#antialias">-antialias</a></td>
+ <td>remove pixel-aliasing</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#authenticate">-authenticate <var>value</var></a></td>
+ <td>decrypt image with this password</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
- <td valign="top">decrypt image with this password</td>
+ <td><a href="command-line-options.html#channel">-channel <var>type</var></a></td>
+ <td>apply option to select image channels</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#channel">-channel <em class="option">type</em></a></td>
- <td valign="top">apply option to select image channels</td>
+ <td><a href="command-line-options.html#clip">-clip</a></td>
+ <td>clip along the first path from the 8BIM profile</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
- <td valign="top">set image colorspace</td>
+ <td><a href="command-line-options.html#clip-mask">-clip-mask</a> <var>filename</var></td>
+ <td>associate clip mask with the image</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#crop">-crop <em class="option">geometry</em></a></td>
- <td valign="top">crop the image</td>
+ <td><a href="command-line-options.html#clip-path">-clip-path <var>id</var></a></td>
+ <td>clip along a named path from the 8BIM profile</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#debug">-debug <em class="option">events</em></a></td>
- <td valign="top">display copious debugging information</td>
+ <td><a href="command-line-options.html#colorspace">-colorspace <var>type</var></a></td>
+ <td>set image colorspace</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#define">-define <em class="option">format:option</em></a></td>
- <td valign="top">define one or more image format options</td>
+ <td><a href="command-line-options.html#crop">-crop <var>geometry</var></a></td>
+ <td>crop the image</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#density">-density <em class="option">geometry</em></a></td>
- <td valign="top">horizontal and vertical density of the image</td>
+ <td><a href="command-line-options.html#debug">-debug <var>events</var></a></td>
+ <td>display copious debugging information</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#depth">-depth <em class="option">value</em></a></td>
- <td valign="top">image depth</td>
+ <td><a href="command-line-options.html#define">-define <var>format:option</var></a></td>
+ <td>define one or more image format options</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
- <td valign="top">extract area from image</td>
+ <td><a href="command-line-options.html#density">-density <var>geometry</var></a></td>
+ <td>horizontal and vertical density of the image</td>
</tr>
<tr>
- <td valign="top"><a href="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>
+ <td><a href="command-line-options.html#depth">-depth <var>value</var></a></td>
+ <td>image depth</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#format_identify_">-format <em class="option">string</em></a></td>
- <td valign="top">output formatted image characteristics</td>
+ <td><a href="command-line-options.html#endian">-endian <var>type</var></a></td>
+ <td>endianness (MSB or LSB) of the image</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#gamma">-gamma <em class="option">value</em></a></td>
- <td valign="top">level of gamma correction</td>
+ <td><a href="command-line-options.html#extract">-extract <var>geometry</var></a></td>
+ <td>extract area from image</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#help">-help</a></td>
- <td valign="top">print program options</td>
+ <td><a href="command-line-options.html#features">-features <var>distance</var></a></td>
+ <td>analyze image features (e.g. contract, correlations, etc.).</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
- <td valign="top">type of image interlacing scheme</td>
+ <td><a href="command-line-options.html#format_identify_">-format <var>string</var></a></td>
+ <td>output formatted image characteristics</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
- <td valign="top">pixel color interpolation method</td>
+ <td><a href="command-line-options.html#gamma">-gamma <var>value</var></a></td>
+ <td>level of gamma correction</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
- <td valign="top">pixel cache resource limit</td>
+ <td><a href="command-line-options.html#intensity">-grayscale <var>method</var></a></td>
+ <td>convert image to grayscale</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#list">-list <em class="option">type</em></a></td>
- <td valign="top">Color, Configure, Delegate, Format, Magic, Module, Resource, or Type</td>
+ <td><a href="command-line-options.html#help">-help</a></td>
+ <td>print program options</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#log">-log <em class="option">format</em></a></td>
- <td valign="top">format of debugging information</td>
+ <td><a href="command-line-options.html#interlace">-interlace <var>type</var></a></td>
+ <td>type of image interlacing scheme</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#monitor">-monitor</a></td>
- <td valign="top">monitor progress</td>
+ <td><a href="command-line-options.html#interpolate">-interpolate <var>method</var></a></td>
+ <td>pixel color interpolation method</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#negate">-negate</a></td>
- <td valign="top">replace each pixel with its complementary color </td>
+ <td><a href="command-line-options.html#limit">-limit <var>type value</var></a></td>
+ <td>pixel cache resource limit</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#quiet">-quiet</a></td>
- <td valign="top">suppress all warning messages</td>
+ <td><a href="command-line-options.html#list">-list <var>type</var></a></td>
+ <td>Color, Configure, Delegate, Format, Magic, Module, Resource, or Type</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
- <td valign="top">pay attention to warning messages.</td>
+ <td><a href="command-line-options.html#log">-log <var>format</var></a></td>
+ <td>format of debugging information</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
- <td valign="top">settings remain in effect until parenthesis boundary.</td>
+ <td><a href="command-line-options.html#mask">-mask <var>filename</var></a></td>
+ <td>associate a mask with the image</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
- <td valign="top">horizontal and vertical sampling factor</td>
+ <td><a href="command-line-options.html#moments">-moments</a></td>
+ <td>display image moments and perceptual hash.</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
- <td valign="top">set an image attribute</td>
+ <td><a href="command-line-options.html#monitor">-monitor</a></td>
+ <td>monitor progress</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#size">-size <em class="option">geometry</em></a></td>
- <td valign="top">width and height of image</td>
+ <td><a href="command-line-options.html#negate">-negate</a></td>
+ <td>replace each pixel with its complementary color </td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#strip">-strip</a></td>
- <td valign="top">strip image of all profiles and comments</td>
+ <td><a href="command-line-options.html#precision">-precision <var>value</var></a></td>
+ <td>set the maximum number of significant digits to be printed</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#unique">-unique</a></td>
- <td valign="top">display image the number of unique colors in the image.</td>
+ <td><a href="command-line-options.html#quiet">-quiet</a></td>
+ <td>suppress all warning messages</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#units">-units <em class="option">type</em></a></td>
- <td valign="top">the units of image resolution</td>
+ <td><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
+ <td>pay attention to warning messages.</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#verbose">-verbose</a></td>
- <td valign="top">print detailed information about the image</td>
+ <td><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
+ <td>settings remain in effect until parenthesis boundary.</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#version">-version</a></td>
- <td valign="top">print version information</td>
+ <td><a href="command-line-options.html#sampling-factor">-sampling-factor <var>geometry</var></a></td>
+ <td>horizontal and vertical sampling factor</td>
</tr>
<tr>
- <td valign="top"><a href="command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
- <td valign="top">access method for pixels outside the boundaries of the image</td>
+ <td><a href="command-line-options.html#set">-set <var>attribute value</var></a></td>
+ <td>set an image attribute</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#size">-size <var>geometry</var></a></td>
+ <td>width and height of image</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#strip">-strip</a></td>
+ <td>strip image of all profiles and comments</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#unique">-unique</a></td>
+ <td>display image the number of unique colors in the image.</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#units">-units <var>type</var></a></td>
+ <td>the units of image resolution</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#verbose">-verbose</a></td>
+ <td>print detailed information about the image</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#version">-version</a></td>
+ <td>print version information</td>
+ </tr>
+
+ <tr>
+ <td><a href="command-line-options.html#virtual-pixel">-virtual-pixel <var>method</var></a></td>
+ <td>access method for pixels outside the boundaries of the image</td>
</tr>
</tbody>
</table>
</div>
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