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graphicsmagick-doc-1.3.13-1.4.mga2.i586.rpm

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<br>&nbsp;<br>
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<a NAME="composite"></a>gm composite
</font></font></font></b></td></tr></table>
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<a NAME="comp-top"></a>NAME
</font></font></font></b></td></tr></table>
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composite - composite images together.
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<a NAME="comp-contents"></a>Contents
</font></font></font></b></td></tr></table>
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<dl>
<dt>
<a href="#comp-syno">Synopsis</a>
</dt>
<dt>
<a href="#comp-desc">Description</a>
</dt>
<dt>
<a href="#comp-exam">Examples</a>
</dt>
<dt>
<a href="#comp-opti">Options</a>
</dt>
<dt>
<a href="#comp-envi">Environment</a>
</dt>
<dt>
<a href="#comp-file">Configuration Files</a>
</dt>
<dt>
<a href="#auth">Authors</a>
</dt>
<dt>
<a href="#copy">Copyright</a>
</dt>
</dl>
</td></tr></table>
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<a NAME="comp-syno"></a>Synopsis
</font></font></font></b></td></tr></table>
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<p>
<strong>composite</strong> <strong>[</strong> <em>options</em> <strong>... ]</strong> <em>change-image base-image</em>
<strong>[</strong> <em>mask-image</em> <strong>]</strong> <em>output-image</em>
<br>&nbsp;<br>
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<a NAME="comp-desc"></a>Description
</font></font></font></b></td></tr></table>
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<p>
<strong>composite</strong> composites (combines) images to create new images.
<p><em>base-image</em> is the base image and <em>change-image</em> contains the changes.
<em>ouput-image</em> is the result, and normally has the same dimensions
as <em>base-image</em>.
<br>&nbsp;<br>
<p>
The optional <em>mask-image</em> can be used to provide opacity information
for <em>change-image</em> when it has none or if you want a different mask.
A mask image is typically grayscale and the same size as
<strong>base-image</strong>. If <em>mask-image</em> is not grayscale, it is converted
to grayscale and the resulting intensities are used as opacity
information.
</td></tr></table>
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<a NAME="comp-exam"></a>Examples
</font></font></font></b></td></tr></table>
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<tr><td width="3%"><br></td><td>
<p>
To composite an image of a cockatoo with a perch, use:
<pre>
    gm composite cockatoo.miff perch.ras composite.miff
</pre>
<p>
To compute the difference between images in a series, use:
<pre>
    gm composite -compose difference series.2 series.1 difference.miff
</pre>
<p>
To composite an image of a cockatoo with a perch starting at location (100,150),
use:
<pre>
    gm composite -geometry +100+150 cockatoo.miff perch.ras composite.miff
</pre>
<p>
To tile a logo across your image of a cockatoo, use
<pre>
    gm convert +shade 30x60 cockatoo.miff mask.miff
    gm composite -compose bumpmap -tile logo.png
              cockatoo.miff mask.miff composite.miff
</pre>
<p>
To composite a red, green, and blue color plane into a single composite image,
try
<pre>
    gm composite -compose CopyGreen green.png red.png red-green.png
    gm composite -compose CopyBlue blue.png red-green.png composite.png
</pre>
</td></tr></table>
     <p>
<i><a href="#top">Back to Contents</a></i> 
&nbsp;</p>
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<a NAME="comp-opti"></a>Options
</font></font></font></b></td></tr></table>
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<p>
Options are processed in command line order. Any option you specify on
the command line remains in effect only for the image that follows.  All
options are reset to their default values after each image is read.
<p>
For a more detailed description of each option, see
Options, above.
<a href="GraphicsMagick.html"><em>GraphicsMagick(1)</em></a>.
<br>&nbsp;<br>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-authenticate">-authenticate</a> <i>&lt;string&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>decrypt image with this password</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-background">-background</a> <i>&lt;color&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>the background color</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-blue-primary">-blue-primary</a> <i>&lt;x&gt;,&lt;y&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>blue chromaticity primary point</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-colors">-colors</a> <i>&lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>preferred number of colors in the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-colorspace">-colorspace</a> <i>&lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>the type of colorspace</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-comment">-comment</a> <i>&lt;string&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>annotate an image with a comment</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-compose">-compose</a> <i>&lt;operator&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>the type of image composition</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-compress">-compress</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>the type of image compression</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    -debug <i>&lt;events&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>enable debug printout</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-define">-define</a> <i>&lt;key&gt;</i>{<i>=&lt;value&gt;</i>}<i>,...</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>add coder/decoder specific options</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-density">-density</a> <i>&lt;width&gt;x&lt;height&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>horizontal and vertical resolution in pixels of the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-depth">-depth</a> <i>&lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>depth of the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-displace">-displace</a> <i>&lt;horizontal scale&gt;x&lt;vertical scale&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>shift image pixels as defined by a displacement map</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-display">-display</a> <i>&lt;host:display[.screen]&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>specifies the X server to contact</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-dispose">-dispose</a> <i>&lt;method&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>GIF disposal method</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-dissolve">-dissolve</a> <i>&lt;percent&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>dissolve an image into another by the given percent</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-dither">-dither</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>apply Floyd/Steinberg error diffusion to the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-encoding">-encoding</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>specify the text encoding</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-endian">-endian</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>specify endianness (MSB, LSB, or Native) of image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-filter">-filter</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>use this type of filter when resizing an image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-font">-font</a> <i>&lt;name&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>use this font when annotating the image with text</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-geometry">-geometry</a> <i>&lt;width&gt;x&lt;height&gt;</i>{<i>+-</i>}<i>&lt;x&gt;</i>{<i>+-</i>}<i>&lt;y&gt;</i>{<i>%</i>}<i></i>{<i>@</i>}<i></i>{<i>!</i>}<i></i>{<i>^</i>}<i></i>{<i>&lt;</i>}<i></i>{<i>&gt;</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>preferred size and location of the Image window.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-gravity">-gravity</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>direction primitive  gravitates to when annotating the image.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-green-primary">-green-primary</a> <i>&lt;x&gt;,&lt;y&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>green chromaticity primary point</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    -help
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>print usage instructions</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-interlace">-interlace</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>the type of interlacing scheme</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-label">-label</a> <i>&lt;name&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>assign a label to an image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-limit">-limit</a> <i>&lt;type&gt; &lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Disk, File, Map, Memory, Pixels, or Threads resource limit</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-log">-log</a> <i>&lt;string&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Specify format for debug log</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-matte">-matte</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>store matte channel if the image has one</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    -monitor
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>show progress indication</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    -monochrome
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>transform the image to black and white</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-negate">-negate</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>replace every pixel with its complementary color</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-page">-page</a> <i>&lt;width&gt;x&lt;height&gt;</i>{<i>+-</i>}<i>&lt;x&gt;</i>{<i>+-</i>}<i>&lt;y&gt;</i>{<i>%</i>}<i></i>{<i>!</i>}<i></i>{<i>&lt;</i>}<i></i>{<i>&gt;</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>size and location of an image canvas</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-profile">-profile</a> <i>&lt;filename&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>add ICM, IPTC, or generic profile  to image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-quality">-quality</a> <i>&lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>JPEG/MIFF/PNG/TIFF compression level</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-recolor">-recolor</a> <i>&lt;matrix&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>apply a color translation matrix to image channels</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-red-primary">-red-primary</a> <i>&lt;x&gt;,&lt;y&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>red chromaticity primary point</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-render">-render</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>render vector operations</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-resize">-resize</a> <i>&lt;width&gt;x&lt;height&gt;</i>{<i>%</i>}<i></i>{<i>@</i>}<i></i>{<i>!</i>}<i></i>{<i>&lt;</i>}<i></i>{<i>&gt;</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>resize an image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-rotate">-rotate</a> <i>&lt;degrees&gt;</i>{<i>&lt;</i>}<i></i>{<i>&gt;</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>rotate the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-sampling-factor">-sampling-factor</a> <i>&lt;horizontal_factor&gt;x&lt;vertical_factor&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>chroma subsampling factors</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-scene">-scene</a> <i>&lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>set scene number</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-set">-set</a> <i>&lt;attribute&gt; &lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>set an image attribut</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-sharpen">-sharpen</a> <i>&lt;radius&gt;</i>{<i>x&lt;sigma&gt;</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>sharpen the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-size">-size</a> <i>&lt;width&gt;x&lt;height&gt;</i>{<i>+offset</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>width and height of the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-stegano">-stegano</a> <i>&lt;offset&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>hide watermark within an image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-stereo">-stereo</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>composite two images to create a stereo anaglyph</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-thumbnail">-thumbnail</a> <i>&lt;width&gt;x&lt;height&gt;</i>{<i>%</i>}<i></i>{<i>@</i>}<i></i>{<i>!</i>}<i></i>{<i>&lt;</i>}<i></i>{<i>&gt;</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>resize an image (quickly)</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-treedepth">-treedepth</a> <i>&lt;value&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>tree depth for the color reduction algorithm</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-trim">-trim</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>trim an image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-type">-type</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>the image type</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-units">-units</a> <i>&lt;type&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>the units of image resolution</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-unsharp">-unsharp</a> <i>&lt;radius&gt;</i>{<i>x&lt;sigma&gt;</i>}<i></i>{<i>+&lt;amount&gt;</i>}<i></i>{<i>+&lt;threshold&gt;</i>}<i></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>sharpen the image with an unsharp mask operator</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-verbose">-verbose</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>print detailed information about the image</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-version">-version</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>print GraphicsMagick version string</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    -watermark <i>&lt;brightness&gt;x&lt;saturation&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>percent brightness and saturation of a watermark</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-white-point">-white-point</a> <i>&lt;x&gt;,&lt;y&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>chromaticity white point</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    <a href="GraphicsMagick.html#details-write">-write</a> <i>&lt;filename&gt;</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>write an intermediate image [<em>convert, composite</em>]</td></tr></table>
<p>
For a more detailed description of each option, see
Options, above.
<a href="GraphicsMagick.html"><em>GraphicsMagick(1)</em></a>.
<br>&nbsp;<br>
</td></tr></table>
     <p>
<i><a href="#top">Back to Contents</a></i> 
&nbsp;</p>
<table BORDER=0 WIDTH="100%"> 
<tr> 
<td ALIGN=LEFT bgcolor="#FFFFFF"><img 
SRC="images/right_triangle.png"  ALT=">" BORDER=0 
height=14 width=15><b><font face="Helvetica, Arial"><font 
color="#00B04F"><font size="+1">
<a NAME="comp-envi"></a>Environment
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    COLUMNS
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Output screen width. Used when formatting text for the screen. Many
Unix systems keep this shell variable up to date, but it may need to be
explicitly exported in order for GraphicsMagick to see it.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    DISPLAY
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>X11 display ID (host, display number, and screen in the form
hostname:display.screen).</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    HOME
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Location of user's home directory. GraphicsMagick searches for
configuration files in $HOME/.magick if the directory exists. See
<strong>MAGICK_CODER_MODULE_PATH</strong>, <strong>MAGICK_CONFIGURE_PATH</strong>, and
<strong>MAGICK_FILTER_MODULE_PATH</strong> if more flexibility is needed.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_CODER_STABILITY
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>The minimum coder stability level before it will be used. The
available levels are <strong>PRIMARY</strong>, <strong>STABLE</strong>, and <strong>UNSTABLE</strong>.
The default minimum level is <strong>UNSTABLE</strong>, which means that all
available coders will be used. The purpose of this option is to reduce
the security exposure (or apparent complexity) due to the huge number of
formats supported. Coders at the <strong>PRIMARY</strong> level are commonly used
formats with very well maintained implementations. Coders at the
<strong>STABLE</strong> level are reasonably well maintained but represent less used
formats. Coders at the <strong>UNSTABLE</strong> level either have weak
implementations, the file format itself is weak, or the probability the
coder will be needed is vanishingly small.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_CODER_MODULE_PATH
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Search path to use when searching for image format coder modules.
This path allows the user to arbitrarily extend the image formats
supported by GraphicsMagick by adding loadable modules to an arbitrary
location rather than copying them into the GraphicsMagick installation
directory. The formatting of the search path is similar to operating
system search paths (i.e. colon delimited for Unix, and semi-colon
delimited for Microsoft Windows). This user specified search path is used
before trying the default search path.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_CONFIGURE_PATH
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Search path to use when searching for configuration (.mgk) files.
The formatting of the search path is similar to operating system search
paths (i.e. colon delimited for Unix, and semi-colon delimited for
Microsoft Windows). This user specified search path is used before trying
the default search path.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_DEBUG
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Debug options (see <strong>-debug</strong> for details)</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_FILTER_MODULE_PATH
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Search path to use when searching for filter process modules
(invoked via <strong>-process</strong>). This path allows the user to arbitrarily
extend GraphicsMagick's image processing functionality by adding loadable
modules to an arbitrary location rather than copying them into the
GraphicsMagick installation directory. The formatting of the search path
is similar to operating system search paths (i.e. colon delimited for
Unix, and semi-colon delimited for Microsoft Windows). This user
specified search path is used before trying the default search path.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_HOME
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Path to top of GraphicsMagick installation directory. Only observed
by "uninstalled" builds of GraphicsMagick which do not have their location
hard-coded or set by an installer.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_MMAP_READ
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>If <strong>MAGICK_MMAP_READ</strong> is set to <strong>TRUE</strong>, GraphicsMagick
will attempt to memory-map the input file for reading. This usually
substantially improves read performance if the file has recently been
read. However, testing shows that performance may be reduced for files
accessed for the first time via a network since some operating systems
failed to do read-ahead over network mounts for memory mapped files.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_MMAP_WRITE
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>If <strong>MAGICK_MMAP_WRITE</strong> is set to <strong>TRUE</strong>, GraphicsMagick
will attempt to memory-map the output file for writing. This is an
experimental feature (which is currently broken). Write performance is
usually somewhat worse when using this approach rather than the default
one.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_IO_FSYNC
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>If <strong>MAGICK_IO_FSYNC</strong> is set to <strong>TRUE</strong>, then GraphicsMagick
will request that the output file is fully flushed and synchronized to
disk when it is closed. This incurs a performance penalty, but has the
benefit that if the power fails or the system crashes, the file should be
valid on disk. If image files are referenced from a database, then this
option helps assure that the files referenced by the database are
valid.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_IOBUF_SIZE
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>The amount of I/O buffering (in bytes) to use when reading and
writing encoded files. The default is 16384, which is observed to work
well for many cases. The best value for a local filesystem is usually the
the native filesystem block size (e.g. 4096, 8192, or even 131,072 for
ZFS) in order to minimize the number of physical disk I/O operations.
I/O performance to files accessed over a network may benefit
significantly by tuning this option. Larger values are not necessarily
better (they may be slower!), and there is rarely any benefit from using
values larger than 32768. Use convert's <strong>-verbose</strong> option in order
to evaluate read and write rates in pixels per second while keeping in
mind that the operating system will try to cache files in RAM.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_LIMIT_DISK
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Maximum amount of disk space allowed for use by the pixel cache.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_LIMIT_FILES
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Maximum number of open files.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_LIMIT_MAP
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Maximum size of a memory map.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_LIMIT_MEMORY
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Maximum amount of memory to allocate from the heap.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    MAGICK_TMPDIR
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>Path to directory where GraphicsMagick should write temporary
files. The default is to use the system default, or the location set by
<strong>TMPDIR</strong>.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    TMPDIR
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>For POSIX-compatible systems (Unix-compatible), the path to the
directory where all applications should write temporary files.
Overridden by <strong>MAGICK_TMPDIR</strong> if it is set.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    TMP <i>or TEMP</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>For Microsoft Windows, the path to the directory where applications
should write temporary files. Overridden by <strong>MAGICK_TMPDIR</strong> if it
is set.</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    OMP_NUM_THREADS
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>As per the OpenMP standard, this specifies the number of threads to
use in parallel regions. Some compilers default the number of threads to
use to the number of processor cores available while others default to
just one thread. See the OpenMP specification for other standard
adjustments and your compiler's manual for vendor-specific settings.</td></tr></table>
</td></tr></table>
     <p>
<i><a href="#top">Back to Contents</a></i> 
&nbsp;</p>
<table BORDER=0 WIDTH="100%"> 
<tr> 
<td ALIGN=LEFT bgcolor="#FFFFFF"><img 
SRC="images/right_triangle.png"  ALT=">" BORDER=0 
height=14 width=15><b><font face="Helvetica, Arial"><font 
color="#00B04F"><font size="+1">
<a NAME="comp-file"></a>Configuration Files
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>GraphicsMagick uses a number of XML format configuration files:
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    colors.mgk
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>colors configuration file</td></tr></table>
<pre>
  &lt;?xml version="1.0"?&gt;
  &lt;colormap&gt;
    &lt;color name="AliceBlue" red="240" green="248" blue="255"
           compliance="SVG, X11, XPM" /&gt;
  &lt;/colormap&gt;
</pre>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    delegates.mgk
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>delegates configuration file</td></tr></table>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    log.mgk
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>logging configuration file</td></tr></table>
<pre>
  &lt;?xml version="1.0"?&gt;
  &lt;magicklog&gt;
    &lt;log events="None" /&gt;
    &lt;log output="stdout" /&gt;
    &lt;log filename="Magick-%d.log" /&gt;
    &lt;log generations="3" /&gt;
    &lt;log limit="2000" /&gt;
    &lt;log format="%t %r %u %p %m/%f/%l/%d:\n  %e"  /&gt;
  &lt;/magicklog&gt;
</pre>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    modules.mgk
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>loadable modules configuration file</td></tr></table>
<pre>
  &lt;?xml version="1.0"?&gt;
  &lt;modulemap&gt;
    &lt;module magick="8BIM" name="META" /&gt;
  &lt;/modulemap&gt;
</pre>
<table BORDER=0 WIDTH="94%">
<tr>
<td width="3%"><br></td> 
<td ALIGN=LEFT BGCOLOR="#FFFFFF">
<img SRC="images/right_triangle_option.png"
ALT=">" BORDER=0 height=14
width=15><b><font face="Helvetica, Arial"
><font color="#00B04F"><font size="+1">
    type.mgk
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0"              cellpadding="8">              <tr><td width="6%"><br></td><td>master type (fonts) configuration file</td></tr></table>
<pre>
  &lt;?xml version="1.0"?&gt;
  &lt;typemap&gt;
    &lt;<strong></strong>include file="type-windows.mgk" /&gt;
    &lt;type
      name="AvantGarde-Book"
      fullname="AvantGarde Book"
      family="AvantGarde"
      foundry="URW"
      weight="400"
      style="normal"
      stretch="normal"
      format="type1"
      metrics="/usr/local/share/ghostscript/fonts/a010013l.afm"
      glyphs="/usr/local/share/ghostscript/fonts/a010013l.pfb"
    /&gt;
  &lt;/typemap&gt;
</pre>
</td></tr></table>
     <p>
<i><a href="#top">Back to Contents</a></i> 
&nbsp;</p>
<table BORDER=0 WIDTH="100%"> 
<tr> 
<td ALIGN=LEFT bgcolor="#FFFFFF"><img 
SRC="images/right_triangle.png"  ALT=">" BORDER=0 
height=14 width=15><b><font face="Helvetica, Arial"><font 
color="#00B04F"><font size="+1">
<a NAME="auth"></a>Authors
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
<em>
John Cristy,<br>
Bob Friesenhahn,<br>
Glenn Randers-Pehrson,<br>
William Radcliff,<br>
Leonard Rosenthol.
</em>
<br>&nbsp;<br>
</td></tr></table>
     <p>
<i><a href="#top">Back to Contents</a></i> 
&nbsp;</p>
<table BORDER=0 WIDTH="100%"> 
<tr> 
<td ALIGN=LEFT bgcolor="#FFFFFF"><img 
SRC="images/right_triangle.png"  ALT=">" BORDER=0 
height=14 width=15><b><font face="Helvetica, Arial"><font 
color="#00B04F"><font size="+1">
<a NAME="copy"></a>Copyright
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
<strong>Copyright (C) 2002 - 2010 GraphicsMagick Group, an organization
dedicated to making software imaging solutions freely available.</strong>
<p>
<strong>Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files
("GraphicsMagick"), to deal in GraphicsMagick without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of GraphicsMagick,
and to permit persons to whom GraphicsMagick is furnished to do so,
subject to the following conditions:</strong>
<p>
<strong>The above copyright notice and this permission notice shall be included
in all copies or substantial portions of GraphicsMagick.</strong>
<p>
<strong>The software is provided "as is", without warranty of any kind,
express or implied, including but not limited to the warranties of
merchantability, fitness for a particular purpose and noninfringement.
In no event shall GraphicsMagick Group be liable for any claim, damages
or other liability, whether in an action of contract, tort or otherwise,
arising from, out of or in connection with GraphicsMagick or the use or
other dealings in GraphicsMagick.</strong>
<p>
<strong>Except as contained in this notice, the name of the GraphicsMagick
Group shall not be used in advertising or otherwise to promote the sale,
use or other dealings in GraphicsMagick without prior written
authorization from the GraphicsMagick Group.</strong>
<p>
<strong>Additional copyrights and licenses apply to this software. You should
have received a copy of Copyright.txt with this package, which describes
additional copyrights and licenses which apply to this software;
otherwise see http://www.graphicsmagick.org/Copyright.html.</strong>
</td></tr></table>
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