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<br> <br>
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<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="display"></a>gm display
</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="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="disp-top"></a>NAME
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
display - display an image on any workstation running X
<br> <br>
</td></tr></table>
<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="disp-contents"></a>Contents
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<ul>
<li>
<a href="#disp-syno">Synopsis</a>
<li>
<a href="#disp-desc">Description</a>
<li>
<a href="#disp-exam">Examples</a>
<li>
<a href="#disp-opti">Options</a>
<li>
<a href="#disp-mous">Mouse Buttons</a>
<li>
<a href="#disp-comm">Command Widget</a>
<li>
<a href="#disp-keyb">Keyboard Accelerators</a>
<li>
<a href="#disp-xres">X Resources</a>
<li>
<a href="#disp-imlo">Image Loading</a>
<li>
<a href="#disp-visu">Visual Image Directory</a>
<li>
<a href="#disp-imcu">Image Cutting</a>
<li>
<a href="#disp-imco">Image Copying</a>
<li>
<a href="#disp-impas">Image Pasting</a>
<li>
<a href="#disp-imcr">Image Cropping</a>
<li>
<a href="#disp-imch">Image Chopping</a>
<li>
<a href="#disp-imro">Image Rotation</a>
<li>
<a href="#disp-segm">Image Segmentation</a>
<li>
<a href="#disp-iman">Image Annotation</a>
<li>
<a href="#disp-imcomp">Image Compositing</a>
<li>
<a href="#disp-cole">Color Editing</a>
<li>
<a href="#disp-matt">Matte (Transparent Channel) Editing</a>
<li>
<a href="#disp-imdr">Image Drawing</a>
<li>
<a href="#disp-regi">Region of Interest</a>
<li>
<a href="#disp-impa">Image Panning</a>
<li>
<a href="#disp-impa">User Preferences</a>
<li>
<a href="#disp-envi">Environment</a>
<li>
<a href="#disp-file">Configuration Files</a>
<li>
<a href="#disp-ackn">Acknowledgement</a>
<li>
<a href="#auth">Authors</a>
<li>
<a href="#copy">Copyright</a>
</ul>
</td></tr></table>
<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="disp-syno"></a>Synopsis
</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>display</strong> <strong>[</strong> <em>options</em> <strong>...]</strong> <em>file</em>
<strong>[</strong><em>options</em><strong>...]</strong><em>file</em>
</td></tr></table>
<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="disp-desc"></a>Description
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Display is a machine architecture independent
image processing and display program. It can display an image on any workstation
screen running an X server. <strong>Display</strong> can read and write
<strong>many</strong>
of the more popular image <a href="formats.html">formats</a> (e.g. <strong>JPEG</strong>,
<strong>TIFF</strong>,
<strong>PNM</strong>,
<strong>Photo
CD</strong>, etc.).
<p>
With <strong>display</strong>, you can perform these functions on an image:
<dl>
<dd><img SRC="images/ball.png" ALT="*">load an image from a file
<dd><img SRC="images/ball.png" ALT="*">display the next image
<dd><img SRC="images/ball.png" ALT="*">display the former image
<dd><img SRC="images/ball.png" ALT="*">display a sequence of images as a slide show
<dd><img SRC="images/ball.png" ALT="*">write the image to a file
<dd><img SRC="images/ball.png" ALT="*">print the image to a <em>PostScript</em> printer
<dd><img SRC="images/ball.png" ALT="*">delete the image file
<dd><img SRC="images/ball.png" ALT="*">create a Visual Image Directory
<dd><img SRC="images/ball.png" ALT="*">select the image to display by its thumbnail rather than name
<dd><img SRC="images/ball.png" ALT="*">undo last image transformation
<dd><img SRC="images/ball.png" ALT="*">copy a region of the image
<dd><img SRC="images/ball.png" ALT="*">paste a region to the image
<dd><img SRC="images/ball.png" ALT="*">restore the image to its original size
<dd><img SRC="images/ball.png" ALT="*">refresh the image
<dd><img SRC="images/ball.png" ALT="*">half the image size
<dd><img SRC="images/ball.png" ALT="*">double the image size
<dd><img SRC="images/ball.png" ALT="*">resize the image
<dd><img SRC="images/ball.png" ALT="*">crop the image
<dd><img SRC="images/ball.png" ALT="*">cut the image
<dd><img SRC="images/ball.png" ALT="*">flop image in the horizontal direction
<dd><img SRC="images/ball.png" ALT="*">flip image in the vertical direction
<dd><img SRC="images/ball.png" ALT="*">rotate the image 90 degrees clockwise
<dd><img SRC="images/ball.png" ALT="*">rotate the image 90 degrees counter-clockwise
<dd><img SRC="images/ball.png" ALT="*">rotate the image
<dd><img SRC="images/ball.png" ALT="*">shear the image
<dd><img SRC="images/ball.png" ALT="*">roll the image
<dd><img SRC="images/ball.png" ALT="*">trim the image edges
<dd><img SRC="images/ball.png" ALT="*">invert the colors of the image
<dd><img SRC="images/ball.png" ALT="*">vary the color brightness
<dd><img SRC="images/ball.png" ALT="*">vary the color saturation
<dd><img SRC="images/ball.png" ALT="*">vary the image hue
<dd><img SRC="images/ball.png" ALT="*">gamma correct the image
<dd><img SRC="images/ball.png" ALT="*">sharpen the image contrast
<dd><img SRC="images/ball.png" ALT="*">dull the image contrast
<dd><img SRC="images/ball.png" ALT="*">perform histogram equalization on the image
<dd><img SRC="images/ball.png" ALT="*">perform histogram normalization on the image
<dd><img SRC="images/ball.png" ALT="*">negate the image colors
<dd><img SRC="images/ball.png" ALT="*">convert the image to grayscale
<dd><img SRC="images/ball.png" ALT="*">set the maximum number of unique colors in the image
<dd><img SRC="images/ball.png" ALT="*">reduce the speckles within an image
<dd><img SRC="images/ball.png" ALT="*">eliminate peak noise from an image
<dd><img SRC="images/ball.png" ALT="*">detect edges within the image
<dd><img SRC="images/ball.png" ALT="*">emboss an image
<dd><img SRC="images/ball.png" ALT="*">segment the image by color
<dd><img SRC="images/ball.png" ALT="*">simulate an oil painting
<dd><img SRC="images/ball.png" ALT="*">simulate a charcoal drawing
<dd><img SRC="images/ball.png" ALT="*">annotate the image with text
<dd><img SRC="images/ball.png" ALT="*">draw on the image
<dd><img SRC="images/ball.png" ALT="*">edit an image pixel color
<dd><img SRC="images/ball.png" ALT="*">edit the image matte information
<dd><img SRC="images/ball.png" ALT="*">composite an image with another
<dd><img SRC="images/ball.png" ALT="*">add a border to the image
<dd><img SRC="images/ball.png" ALT="*">surround image with an ornamental border
<dd><img SRC="images/ball.png" ALT="*">apply image processing techniques to a region of interest
<dd><img SRC="images/ball.png" ALT="*">display information about the image
<dd><img SRC="images/ball.png" ALT="*">zoom a portion of the image
<dd><img SRC="images/ball.png" ALT="*">show a histogram of the image
<dd><img SRC="images/ball.png" ALT="*">display image to background of a window
<dd><img SRC="images/ball.png" ALT="*">set user preferences
<dd><img SRC="images/ball.png" ALT="*">display information about this program
<dd><img SRC="images/ball.png" ALT="*">discard all images and exit program
<dd><img SRC="images/ball.png" ALT="*">change the level of magnification
<dd><img SRC="images/ball.png" ALT="*">display images specified by a World Wide Web (WWW) uniform resource locator (URL)
</dl>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</p>
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<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="disp-exam"></a>Examples
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
To scale an image of a cockatoo to exactly 640 pixels in width and 480
pixels in height and position the window at location (200,200), use:
<pre>
gm display -geometry 640x480+200+200! cockatoo.miff
</pre>
<p>
To display an image of a cockatoo without a border centered on a backdrop,
use:
<pre>
gm display +borderwidth -backdrop cockatoo.miff
</pre>
<p>
To tile a slate texture onto the root window, use:
<pre>
gm display -size 1280x1024 -window root slate.png
</pre>
<p>
To display a visual image directory of all your JPEG images, use:
<pre>
gm display 'vid:*.jpg'
</pre>
<p>
To display a MAP image that is 640 pixels in width and 480 pixels in height
with 256 colors, use:
<pre>
gm display -size 640x480+256 cockatoo.map
</pre>
<p>
To display an image of a cockatoo specified with a <strong>World Wide Web (WWW)</strong>
uniform resource locator <strong>(URL)</strong>, use:
<pre>
gm display ftp://wizards.dupont.com/images/cockatoo.jpg
</pre>
<p>
To display histogram of an image, use:
<pre>
gm gm convert file.jpg HISTOGRAM:- | gm display -
</pre>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</p>
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<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="disp-opti"></a>Options
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Options are processed in command line order. Any option you specify on
the command line remains in effect until it is explicitly changed by specifying
the option again with a different effect. For example to display three images,
the first with 32 colors, the second with an unlimited number of colors,
and the third with only 16 colors, use:
<pre>
gm display -colors 32 cockatoo.miff -noop duck.miff -colors 16 macaw.miff
</pre>
<p>
<strong>Display</strong> options can appear on the command line or in your X resources
file. See <em>X(1)</em>. Options on the command line supersede values specified
in your X resources file.
<p>
For a more detailed description of each option, see
Options, above.
<a href="GraphicsMagick.html"><em>GraphicsMagick(1)</em></a>.
<br> <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><string></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-backdrop">-backdrop</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>display the image centered on a backdrop.</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><color></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-border">-border</a> <i><width>x<height></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>surround the image with a border of 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-bordercolor">-bordercolor</a> <i><color></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 border 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">
-borderwidth <i><geometry></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 border width</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-colormap">-colormap</a> <i><type></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>define the colormap 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-colors">-colors</a> <i><value></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><value></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><string></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-compress">-compress</a> <i><type></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">
<a href="GraphicsMagick.html#details-contrast">-contrast</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>enhance or reduce the image contrast</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-crop">-crop</a> <i><width>x<height></i>{<i>+-</i>}<i><x></i>{<i>+-</i>}<i><y></i>{<i>%</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 cropped 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">
-debug <i><events></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><key></i>{<i>=<value></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-delay">-delay</a> <i><1/100ths of a second></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>display the next image after pausing</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><width>x<height></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><value></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">
-despeckle
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>reduce the speckles 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-display">-display</a> <i><host:display[.screen]></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><method></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-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">
-edge <i><radius></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>detect edges 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-endian">-endian</a> <i><type></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">
-enhance
</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 digital filter to enhance a noisy 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><type></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-flip">-flip</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>create a "mirror 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-flop">-flop</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>create a "mirror 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><name></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-foreground">-foreground</a> <i><color></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>define the foreground 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-frame">-frame</a> <i><width>x<height>+<outer bevel width>+<inner bevel width></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>surround the image with an ornamental border</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-gamma">-gamma</a> <i><value></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>level of gamma correction</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><width>x<height></i>{<i>+-</i>}<i><x></i>{<i>+-</i>}<i><y></i>{<i>%</i>}<i></i>{<i>@</i>}<i></i>{<i>!</i>}<i></i>{<i>^</i>}<i></i>{<i><</i>}<i></i>{<i>></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">
-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-iconGeometry">-iconGeometry</a> <i><geometry></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 icon geometry</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">
-iconic
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>iconic animation</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">
-immutable
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>make image immutable</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><type></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><name></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><type> <value></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><string></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">
-magnify <i><factor></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>magnify 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-map">-map</a> <i><type></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>display image using this 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-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">
<a href="GraphicsMagick.html#details-mattecolor">-mattecolor</a> <i><color></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 color to be used with the <strong>-frame</strong> option</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">
-name
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>name 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-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-noop">-noop</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>NOOP (no option)</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><width>x<height></i>{<i>+-</i>}<i><x></i>{<i>+-</i>}<i><y></i>{<i>%</i>}<i></i>{<i>!</i>}<i></i>{<i><</i>}<i></i>{<i>></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+progress">+progress</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>disable progress monitor and busy cursor</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><value></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-raise">-raise</a> <i><width>x<height></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>lighten or darken image edges</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-remote">-remote</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>perform a X11 remote operation</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-roll">-roll</a> <i></i>{<i>+-</i>}<i><x></i>{<i>+-</i>}<i><y></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>roll an image vertically or horizontally</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><degrees></i>{<i><</i>}<i></i>{<i>></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-sample">-sample</a> <i><geometry></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>scale image using pixel sampling</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><horizontal_factor>x<vertical_factor></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-scenes">-scenes</a> <i><value-value></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>range of image scene numbers to read</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><attribute> <value></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-segment">-segment</a> <i><cluster threshold>x<smoothing threshold></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>segment 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-shared-memory">-shared-memory</a>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>use shared memory</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><radius></i>{<i>x<sigma></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><width>x<height></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-text-font">-text-font</a> <i><name></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>font for writing fixed-width 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">
-texture <i><filename></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>name of texture to tile onto the image background</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-title">-title</a> <i><string></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 title to displayed image [<em>animate, display, montage</em>]</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><value></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><type></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-update">-update</a> <i><seconds></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
detect when image file is modified and redisplay.</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">
-use-pixmap
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>use the pixmap</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">
<a href="GraphicsMagick.html#details-visual">-visual</a> <i><type></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>animate images using this X visual 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-window">-window</a> <i><id></i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>make image the background of a 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">
-window-group
</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 window group</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><filename></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 the image to a file [<em>display</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> <br>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-mous"></a>Mouse Buttons
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
The effects of each button press is described below. Three buttons are
required. If you have a two button mouse, button 1 and 3 are returned.
Press <strong>ALT</strong> and button 3 to simulate button 2.
<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">
1
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
Press this button to map or unmap the <a href="#disp-comm">Command
widget</a> . See the next section for more information about the Command
widget.</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">
2
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
Press and drag to define a region of the image to magnify.</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">
3
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
Press and drag to choose from a select set of <strong>display(1)</strong>
commands. This button behaves differently if the image being displayed
is a visual image directory. Choose a particular tile of the directory
and press this button and drag to select a command from a pop-up menu.
Choose from these menu items:</td></tr></table>
<ul>
<li>Open
<li>Next
<li>Former
<li>Delete
<li>Update
</ul>
<p>
If you choose <strong>Open</strong>, the image represented by the tile is displayed.
To return to the visual image directory, choose <strong>Next</strong> from the Command
widget (refer to <a href="#disp-comm">Command Widget</a>).
<strong>Next</strong> and <strong>Former</strong>
moves to the next or former image respectively. Choose <strong>Delete</strong> to
delete a particular image tile. Finally, choose <strong>Update</strong> to synchronize
all the image tiles with their respective images. See
<a href="montage.html">montage</a>
and
<a href="miff.html">miff</a> for more details.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-comm"></a>Command Widget
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
The Command widget lists a number of sub-menus and commands. They are
<ul>
<li><strong>File</strong>
<ul>
<li>Open...
<li>Next
<li>Former
<li>Select...
<li>Save...
<li>Print...
<li>Delete...
<li>Canvas...
<li>Visual Directory...
<li>Quit
</ul>
</ul>
<ul>
<li><strong>Edit</strong>
<ul>
<li>Undo
<li>Redo
<li>Cut
<li>Copy
<li>Paste
</ul>
</ul>
<ul>
<li><strong>View</strong>
<ul>
<li>Half Size
<li>Original Size
<li>Double Size
<li>Resize...
<li>Apply
<li>Refresh
<li>Restore
</ul>
</ul>
<ul>
<li><strong>Transform</strong>
<ul>
<li>Crop
<li>Chop
<li>Flop
<li>Flip
<li>Rotate Right
<li>Rotate Left
<li>Rotate...
<li>Shear...
<li>Roll...
<li>Trim Edges
</ul>
</ul>
<ul>
<li><strong>Enhance</strong>
<ul>
<li>Hue...
<li>Saturation...
<li>Brightness...
<li>Gamma...
<li>Spiff...
<li>Dull
<li>Equalize
<li>Normalize
<li>Negate
<li>GRAYscale
<li>Quantize...
</ul>
</ul>
<ul>
<li><strong>Effects</strong>
<ul>
<li>Despeckle
<li>Emboss
<li>Reduce Noise
<li>Add Noise
<li>Sharpen...
<li>Blur...
<li>Threshold...
<li>Edge Detect...
<li>Spread...
<li>Shade...
<li>Raise...
<li>Segment...
</ul>
</ul>
<ul>
<li><strong>F/X</strong>
<ul>
<li>Solarize...
<li>Swirl...
<li>Implode...
<li>Wave...
<li>Oil Paint...
<li>Charcoal Draw...
</ul>
</ul>
<ul>
<li><strong>Image Edit</strong>
<ul>
<li>Annotate...
<li>Draw...
<li>Color...
<li>Matte...
<li>Composite...
<li>Add Border...
<li>Add Frame...
<li>Comment...
<li>Launch...
<li>Region of Interest...
</ul>
</ul>
<ul>
<li><strong>Miscellany</strong>
<ul>
<li>Image Info
<li>Zoom Image
<li>Show Preview...
<li>Show Histogram
<li>Show Matte
<li>Background...
<li>Slide Show
<li>Preferences...
</ul>
</ul>
<ul>
<li><strong>Help</strong>
<ul>
<li>Overview
<li>Browse Documentation
<li>About Display
</ul>
</ul>
<p>
Menu items with a indented triangle have a sub-menu. They are represented
above as the indented items. To access a sub-menu item, move the pointer
to the appropriate menu and press button 1 and drag. When you find the
desired sub-menu item, release the button and the command is executed.
Move the pointer away from the sub-menu if you decide not to execute a
particular command.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-keyb"></a>Keyboard Accelerators
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Accelerators are one or two key presses that effect a particular command.
The keyboard accelerators that
<strong>display</strong> understands is:
<pre>
Ctl+O Press to <a href="#disp-imlo">load</a> an image from a file.
space Press to display the next image.
</pre>
<p>
If the image is a multi-paged document such as a
<em>PostScript</em> document,
you can skip ahead several pages by preceding this command with a number.
For example to display the fourth page beyond the current page,
press <tt>4space</tt>.
<pre>
backspace Press to display the former image.
</pre>
<p>
If the image is a multi-paged document such as a
<em>PostScript</em> document,
you can skip behind several pages by preceding this command with a number.
For example to display the fourth page preceding the current page, press
4n.
<pre>
Ctl-S Press to save the image to a file.
Ctl-P Press to print the image to a
<em>PostScript</em> printer.
Ctl-D Press to delete an image file.
Ctl-N Press to create a blank canvas.
Ctl-Q Press to discard all images and exit program.
Ctl+Z Press to undo last image transformation.
Ctl+R Press to redo last image transformation.
Ctl-X Press to <a href="#disp-imcu">cut</a> a region of
the image.
Ctl-C Press to <a href="#disp-imco">copy</a> a region of
the image.
Ctl-V Press to <a href="#disp-impa">paste</a> a region to
the image.
< Press to halve the image size.
. Press to return to the original image size.
> Press to double the image size.
% Press to resize the image to a width and height
you specify.
Cmd-A Press to make any image transformations
permanent.
By default, any image size transformations are
applied to the original image to create the
image displayed on the X server. However, the
transformations are not permanent (i.e. the
original image does not change size only the
X image does). For example, if you press ">"
the X image will appear to double in size, but
the original image will in fact remain the same
size. To force the original image to double in
size, press ">" followed by "Cmd-A".
@ Press to refresh the image window.
C Press to <a href="#disp-imcr">crop</a> the image.
[ Press to <a href="#disp-imch">chop</a> the image.
H Press to flop image in the horizontal direction.
V Press to flip image in the vertical direction.
/ Press to rotate the image 90 degrees clockwise.
\ Press to rotate the image 90 degrees
counter-clockwise.
* Press to <a href="#disp-imro">rotate</a> the image
the number of degrees you specify.
S Press to shear the image the number of degrees
you specify.
R Press to roll the image.
T Press to trim the image edges.
Shft-H Press to vary the color hue.
Shft-S Press to vary the color saturation.
Shft-L Press to vary the image brightness.
Shft-G Press to gamma correct the image.
Shft-C Press to spiff up the image contrast.
Shft-Z Press to dull the image contrast.
= Press to perform histogram equalization on
the image.
Shft-N Press to perform histogram normalization on
the image.
Shft-~ Press to negate the colors of the image.
. Press to convert the image colors to gray.
Shft-# Press to set the maximum number of unique
colors in the image.
F2 Press to reduce the speckles in an image.
F2 Press to emboss an image.
F4 Press to eliminate peak noise from an image.
F5 Press to add noise to an image.
F6 Press to sharpen an image.
F7 Press to blur image an image.
F8 Press to threshold the image.
F9 Press to detect edges within an image.
F10 Press to displace pixels by a random amount.
F11 Press to shade the image using a distant light
source.
F12 Press to lighten or darken image edges to
create a 3-D effect.
F13 Press to segment the image by color.
Meta-S Press to swirl image pixels about the center.
Meta-I Press to implode image pixels about the center.
Meta-W Press to alter an image along a sine wave.
Meta-P Press to simulate an oil painting.
Meta-C Press to simulate a charcoal drawing.
Alt-X Press to <a href="#disp-imcomp">composite</a> the image
with another.
Alt-A Press to <a href="#disp-iman">annotate</a> the image with text.
Alt-D Press to <a href="#disp-imdr">draw</a> a line on the image.
Alt-P Press to <a href="#disp-cole">edit an image pixel color</a>.
Alt-M Press to <a href="#disp-matt">edit the image matte</a> information.
Alt-X Press to <a href="#disp-imcomp">composite</a> the image with another.
Alt-A Press to add a border to the image.
Alt-F Press to add a ornamental frame to the image.
Alt-Shft-! Press to add an image comment.
Ctl-A Press to apply image processing techniques to a
region of interest.
Shft-? Press to display information about the image.
Shft-+ Press to map the zoom image window.
Shft-P Press to preview an image enhancement, effect,
or f/x.
F1 Press to display helpful information about
the "display" utility.
Find Press to browse documentation about
GraphicsMagick.
1-9 Press to change the level of magnification.
</pre>
<p>
Use the arrow keys to move the image one pixel up, down, left, or right
within the magnify window. Be sure to first map the magnify window by pressing
button 2.
<p>
Press ALT and one of the arrow keys to trim off one pixel from any side
of the image.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-xres"></a>X Resources
</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>Display</strong> options can appear on the command line or in your X resource
file. Options on the command line supersede values specified in your X
resource file. See <em>X(1)</em> for more information on X resources.
<p>
Most <strong>display</strong> options have a corresponding X resource. In addition,
<strong>display</strong>
uses the following X resources:
<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">
background <i>(class Background)</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 preferred color to use for the Image window background. The
default is #ccc.</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">
borderColor <i>(class BorderColor)</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 preferred color to use for the Image window border. The default
is #ccc.</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">
borderWidth <i>(class BorderWidth)</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 width in pixels of the image window border. The default is
2.</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">
browseCommand <i>(class browseCommand)</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 name of the preferred browser when displaying GraphicsMagick
documentation. The default is <tt>netscape %s</tt>.</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">
confirmExit <i>(class ConfirmExit)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
<strong>Display</strong> pops up a dialog box to confirm exiting the program when
exiting the program. Set this resource to <tt>False</tt> to exit without
a confirmation.</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">
displayGamma <i>(class DisplayGamma)</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 gamma of the X server.</td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
You can apply separate gamma values to the red, green, and blue channels
of the image with a gamma value list delineated with slashes (i.e. 1.7/2.3/1.2).</td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The default is 2.2.</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">
displayWarnings <i>(class DisplayWarnings)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
<strong>Display</strong> pops up a dialog box whenever a warning message occurs.
Set this resource to <tt>False</tt> to ignore warning messages.</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">
font <i>(class FontList)</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 name of the preferred font to use in normal formatted text.
The default is 14 point Helvetica.</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">
font[1-9] <i>(class Font[1-9])</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 name of the preferred font to use when
<a href="#disp-iman">annotating</a>
the image window with text. The default fonts are fixed, variable, 5x8,
6x10, 7x13bold, 8x13bold, 9x15bold, 10x20, and 12x24.</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">
foreground <i>(class Foreground)</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 preferred color to use for text within the image window.
The default is black.</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">
gammaCorrect <i>(class gammaCorrect)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
This resource, if true, will lighten or darken an image of known gamma
to match the gamma of the display (see resource <strong>displayGamma</strong>). The
default is True.</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">
geometry <i>(class Geometry)</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 preferred size and position of the image window. It is not
necessarily obeyed by all window managers.</td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td><font size="-1">
Offsets, if present, are handled in <em>X(1)</em> style. A negative x offset is
measured from the right edge of the screen to the right edge of the icon,
and a negative y offset is measured from the bottom edge of the screen
to the bottom edge of the icon.</font></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">
iconGeometry <i>(class IconGeometry)</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 preferred size and position of the application when iconified.
It is not necessarily obeyed by all window managers.</td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td><font size="-1">
Offsets, if present, are handled in the same manner as in class Geometry.</font></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">
iconic <i>(class Iconic)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
This resource indicates that you would prefer that the application's windows
initially not be visible as if the windows had be immediately iconified
by you. Window managers may choose not to honor the application's request.</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">
magnify <i>(class Magnify)</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 an integral factor by which the image should be enlarged. The
default is 3.</td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
This value only affects the magnification window which is invoked with
<a href="#disp-mous">button</a>
number 3 after the image is displayed.</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">
matteColor <i>(class MatteColor)</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 color of windows. It is used for the backgrounds of windows,
menus, and notices. A 3D effect is achieved by using highlight and shadow
colors derived from this color. Default value: #697B8F.</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">
name <i>(class Name)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
This resource specifies the name under which resources for the application
should be found. This resource is useful in shell aliases to distinguish
between invocations of an application, without resorting to creating links
to alter the executable file name. The default is the application name.</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">
pen[1-9] <i>(class Pen[1-9])</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 color of the preferred font to use when
<a href="#disp-iman">annotating</a>
the image window with text. The default colors are black, blue, green,
cyan, gray, red, magenta, yellow, 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">
printCommand <i>(class PrintCommand)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
This command is executed whenever Print is issued. In general, it is the
command to print <em>PostScript</em> to your printer. Default value: <tt>lp
-c -s %i</tt>.</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">
sharedMemory <i>(class SharedMemory)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
This resource specifies whether display should attempt use shared memory
for pixmaps. GraphicsMagick must be compiled with shared memory support,
and the display must support the MIT-SHM extension. Otherwise, this
resource is ignored. The default is True.</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">
textFont <i>(class textFont)</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 name of the preferred font to use in fixed (typewriter style)
formatted text. The default is 14 point Courier.</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">
title <i>(class Title)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
This resource specifies the title to be used for the image window. This
information is sometimes used by a window manager to provide a header identifying
the window. The default is the image file name.</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">
undoCache <i>(class UndoCache)</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, in mega-bytes, the amount of memory in the undo edit cache.
Each time you modify the image it is saved in the undo edit cache as long
as memory is available. You can subsequently <em>undo</em> one or more of
these transformations. The default is 16 Megabytes.</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">
usePixmap <i>(class UsePixmap)</i>
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
Images are maintained as a XImage by default. Set this resource to True
to utilize a server Pixmap instead. This option is useful if your image
exceeds the dimensions of your server screen and you intend to pan the
image. Panning is much faster with Pixmaps than with a XImage. Pixmaps
are considered a precious resource, use them with discretion.</td></tr></table>
<p>
To set the geometry of the Magnify or Pan or window, use the geometry resource.
For example, to set the Pan window geometry to 256x256, use:
<pre>
gm display.pan.geometry: 256x256
</pre>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imlo"></a>Image Loading
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
To select an image to display, choose <strong>Open</strong> of the <strong>File</strong> sub-menu
from the <a href="#disp-comm">Command widget</a>. A file browser is displayed.
To choose a particular image file, move the pointer to the filename and
press any button. The filename is copied to the text window. Next, press
<strong>Open</strong>
or press the <strong>RETURN</strong> key. Alternatively, you can type the image file
name directly into the text window. To descend directories, choose a directory
name and press the button twice quickly. A scrollbar allows a large list
of filenames to be moved through the viewing area if it exceeds the size
of the list area.
<p>
You can trim the list of file names by using shell globbing characters.
For example, type <tt>*.jpg</tt> to list only files that end
with <tt>.jpg</tt>.
<p>
To select your image from the X server screen instead of from a file, Choose
<strong>Grab</strong> of the <strong>Open</strong> widget.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-visu"></a>Visual Image Directory
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
To create a Visual Image Directory, choose Visual Directory of the <strong>File</strong>
sub-menu from the <a href="#disp-comm">Command widget</a> . A file browser is
displayed. To create a Visual Image Directory from all the images in the
current directory, press <strong>Directory</strong> or press the <strong>RETURN key</strong>.
Alternatively, you can select a set of image names by using shell globbing
characters. For example, type <tt>*.jpg</tt> to include only files that
end with <tt>.jpg</tt>. To descend directories, choose a directory name
and press the button twice quickly. A scrollbar allows a large list of
filenames to be moved through the viewing area if it exceeds the size of
the list area.
<p>
After you select a set of files, they are turned into thumbnails and tiled
onto a single image. Now move the pointer to a particular thumbnail and
press <strong>button 3</strong> and drag. Finally, select Open. The image represented
by the thumbnail is displayed at its full size. Choose <strong>Next</strong> from
the <strong>File</strong> sub-menu of the Command widget to return to the Visual
Image Directory.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imcu"></a>Image Cutting
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Note that cut information for image window is not retained for colormapped
X server visuals (e.g. <em>StaticColor</em>,
<em>StaticColor</em>, <em>GRAYScale</em>,
<em>PseudoColor</em>).
Correct cutting behavior may require a <em>TrueColor</em> or <em>DirectColor</em>
visual or a <em>Standard Colormap</em>.
<p>
To begin, press choose <strong>Cut</strong> of the <strong>Edit</strong> sub-menu from the
<a href="#disp-comm">Command
widget</a>. Alternatively, press
<strong>F3</strong> in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in cut mode. In cut mode, the Command widget has these
options:
<ul>
<li><strong>Help</strong>
<li><strong>Dismiss</strong>
</ul>
<p>
To define a cut region, press button 1 and drag. The cut region is defined
by a highlighted rectangle that expands or contracts as it follows the
pointer. Once you are satisfied with the cut region, release the button.
You are now in rectify mode. In rectify mode, the Command widget has these
options:
<ul>
<li><strong>Cut</strong>
<li><strong>Help</strong>
<li><strong>Dismiss</strong>
</ul>
<p>
You can make adjustments by moving the pointer to one of the cut rectangle
corners, pressing a button, and dragging. Finally, press Cut to commit
your copy region. To exit without cutting the image, press Dismiss.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imco"></a>Image Copying
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
To begin, press choose <strong>Copy</strong> of the <strong>Edit</strong> sub-menu from the
<a href="#disp-comm">Command
widget</a>. Alternatively, press
<strong>F4</strong> in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in copy mode. In copy mode, the Command widget has
these options:
<ul>
<li>Help
<li>Dismiss
</ul>
<p>
To define a copy region, press button 1 and drag. The copy region is defined
by a highlighted rectangle that expands or contracts as it follows the
pointer. Once you are satisfied with the copy region, release the button.
You are now in rectify mode. In rectify mode, the Command widget has these
options:
<ul>
<li>Copy
<li>Help
<li>Dismiss
</ul>
<p>
You can make adjustments by moving the pointer to one of the copy rectangle
corners, pressing a button, and dragging. Finally, press Copy to commit
your copy region. To exit without copying the image, press Dismiss.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-impas"></a>Image Pasting
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
To begin, press choose <strong>Paste</strong> of the <strong>Edit</strong> sub-menu from the
<a href="#disp-comm">Command
widget</a>. Alternatively, press
<strong>F5</strong> in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in Paste mode. To exit immediately, press Dismiss.
In Paste mode, the Command widget has these options:
<ul>
<li><strong>Operators</strong>
<ul>
<li>over
<li>in
<li>out
<li>atop
<li>xor
<li>plus
<li>minus
<li>add
<li>subtract
<li>difference
<li>multiply
<li>bumpmap
<li>replace
</ul>
<li><strong>Help</strong>
<li><strong>Dismiss</strong>
</ul>
<p>
Choose a composite operation from the <strong>Operators</strong> sub-menu of the
<a href="#disp-comm">Command
widget</a>. How each operator behaves is described below. <em>image window</em>
is the image currently displayed on your X server and <em>image</em> is the
image obtained with the File Browser widget.
<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">
over
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is the union of the two image shapes, with <em>image</em> obscuring
<em>image
window</em> in the region of overlap.</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">
in
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is simply <em>image</em> cut by the shape of
<em>image window</em>.
None of the image data of image window is in the result.</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">
out
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The resulting image is <em>image</em> with the shape of
<em>image window</em>
cut out.</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">
atop
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is the same shape as <em>image window</em>, with
<em>image</em>
obscuring <em>image window</em> where the image shapes overlap. Note this
differs from over because the portion of image outside
<em>image window</em>'s
shape does not appear in the result.</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">
xor
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is the image data from both <em>image</em> and
<em>image window</em>
that is outside the overlap region. The overlap region is blank.</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">
plus
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is just the sum of the image data. Output values are cropped
to the maximum value (no overflow). This operation is independent of the
matte 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">
minus
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image</em> - <em>image window</em>, with underflow cropped
to zero. The matte channel is ignored (set to opaque, full coverage).</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">
add
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image</em> + <em>image window</em>, with overflow wrapping
around (mod MaxRGB+1).</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">
subtract
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image</em> - <em>image window</em>, with underflow wrapping
around (mod MaxRGB+1). The add and subtract operators can be used to perform
reversible transformations.</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">
difference
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of abs(<em>image</em> - <em>image window</em>). This is useful for
comparing two very similar images.</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">
multiply
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image</em> * <em>image window</em>. This is useful for
the creation of drop-shadows.</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">
bumpmap
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image window</em> shaded by <em>window</em>.</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">
replace
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>The resulting image is <em>image window</em> replaced with
<em>image</em>.
Here the matte information is ignored.</td></tr></table>
<p>
The image compositor requires a matte, or alpha channel in the image for
some operations. This extra channel usually defines a mask which represents
a sort of a cookie-cutter for the image. This is the case when matte is
255 (full coverage) for pixels inside the shape, zero outside, and between
zero and 255 on the boundary. If image does not have a matte channel, it
is initialized with 0 for any pixel matching in color to pixel location
(0,0), otherwise 255. See <a href="#disp-matt">Matte Editing</a> for a method
of defining a matte channel.
<p>
Note that matte information for image window is not retained for colormapped
X server visuals (e.g. <em>StaticColor, StaticColor, GrayScale, PseudoColor</em>).
Correct compositing behavior may require a
<em>TrueColor</em> or <em>DirectColor</em>
visual or a <em>Standard Colormap</em>.
<p>
Choosing a composite operator is optional. The default operator is replace.
However, you must choose a location to composite your image and press button
1. Press and hold the button before releasing and an outline of the image
will appear to help you identify your location.
<p>
The actual colors of the pasted image is saved. However, the color that
appears in image window may be different. For example, on a monochrome
screen image window will appear black or white even though your pasted
image may have many colors. If the image is saved to a file it is written
with the correct colors. To assure the correct colors are saved in the
final image, any <em>PseudoClass</em> image is promoted to <em>DirectClass</em>.
To force a
<em>PseudoClass</em> image to remain <em>PseudoClass</em>,
use <strong>-colors</strong>.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imcr"></a>Image Cropping
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
To begin, press choose <strong>Crop</strong> of the <strong>Transform</strong> submenu from
the <a href="#disp-comm">Command widget</a>. Alternatively,
<a href="#disp-keyb">press</a> C in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in crop mode. In crop mode, the Command widget has
these options:
<ul>
<li><strong>Help</strong>
<li><strong>Dismiss</strong>
</ul>
<p>
To define a cropping region, press button 1 and drag. The cropping region
is defined by a highlighted rectangle that expands or contracts as it follows
the pointer. Once you are satisfied with the cropping region, release the
button. You are now in rectify mode. In rectify mode, the Command widget
has these options:
<ul>
<li><strong>Crop</strong>
<li><strong>Help</strong>
<li><strong>Dismiss</strong>
</ul>
<p>
You can make adjustments by moving the pointer to one of the cropping rectangle
corners, pressing a button, and dragging. Finally, press Crop to commit
your cropping region. To exit without cropping the image, press Dismiss.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imch"></a>Image Chopping
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
An image is chopped interactively. There is no command line argument to
chop an image. To begin, choose <strong>Chop</strong> of the <strong>Transform</strong> sub-menu
from the <a href="#disp-comm">Command widget</a>. Alternatively,
<a href="#disp-keyb">press</a> [ in the Image window.
<p>
You are now in <strong>Chop</strong> mode. To exit immediately, press
<strong>Dismiss</strong>.
In Chop mode, the Command widget has these options:
<ul>
<li><strong>Direction</strong>
<ul>
<li>horizontal
<li>vertical
</ul>
<li><strong>Help</strong>
<li><strong>Dismiss</strong>
</ul>
<p>
If the you choose the horizontal direction (this is the default), the area
of the image between the two horizontal endpoints of the chop line is removed.
Otherwise, the area of the image between the two vertical endpoints of
the chop line is removed.
<p>
Select a location within the image window to begin your chop, press and
hold any button. Next, move the pointer to another location in the image.
As you move a line will connect the initial location and the pointer. When
you release the button, the area within the image to chop is determined
by which direction you choose from the Command widget.
<p>
To cancel the image chopping, move the pointer back to the starting point
of the line and release the button.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imro"></a>Image Rotation
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Press the / key to rotate the image 90 degrees or \ to rotate -90 degrees.
To interactively choose the degree of rotation, choose
<strong>Rotate...</strong>
of the <strong>Transform</strong> submenu from the <a href="#disp-comm">Command Widget</a>.
Alternatively, <a href="#disp-keyb">press</a> * in the image window.
<p>
A small horizontal line is drawn next to the pointer. You are now in rotate
mode. To exit immediately, press Dismiss. In rotate mode, the Command widget
has these options:
<ul>
<li><strong>Pixel Color</strong>
<ul>
<li>black
<li>blue
<li>cyan
<li>green
<li>gray
<li>red
<li>magenta
<li>yellow
<li>white
<li>Browser...
</ul>
<li><strong>Direction</strong>
<ul>
<li>horizontal
<li>vertical
</ul>
<li><strong>Help</strong>
<li><strong>Dismiss</strong>
</ul>
<p>
Choose a background color from the Pixel Color sub-menu. Additional background
colors can be specified with the color browser. You can change the menu
colors by setting the <a href="#disp-xres">X resources</a> pen1 through pen9.
<p>
If you choose the color browser and press <strong>Grab</strong>, you can select the
background color by moving the pointer to the desired color on the screen
and press any button.
<p>
Choose a point in the image window and press this button and hold. Next,
move the pointer to another location in the image. As you move a line connects
the initial location and the pointer. When you release the button, the
degree of image rotation is determined by the slope of the line you just
drew. The slope is relative to the direction you choose from the Direction
sub-menu of the Command widget.
<p>
To cancel the image rotation, move the pointer back to the starting point
of the line and release the button.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-segm"></a>Image Segmentation
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Choose <strong>Effects->Segment</strong> to segment an image by analyzing the histograms
of the color components and identifying units that are homogeneous with
the fuzzy c-means technique. The scale-space filter analyzes the histograms
of the three color components of the image and identifies a set of classes.
The extents of each class is used to coarsely segment the image with thresholding.
The color associated with each class is determined by the mean color of
all pixels within the extents of a particular class. Finally, any unclassified
pixels are assigned to the closest class with the fuzzy c-means technique.
<p>The fuzzy c-Means algorithm can be summarized as follows:
<ul>
<li>
Build a histogram, one for each color component of the image.
<li>
For each histogram, successively apply the scale-space filter and build
an interval tree of zero crossings in the second derivative at each scale.
Analyze this scale-space "fingerprint" to determine which peaks or valleys
in the histogram are most predominant.
<li>
The fingerprint defines intervals on the axis of the histogram. Each interval
contains either a minima or a maxima in the original signal. If each color
component lies within the maxima interval, that pixel is considered "classified"
and is assigned an unique class number.
<li>
Any pixel that fails to be classified in the above thresholding pass is
classified using the fuzzy c-Means technique. It is assigned to one of
the classes discovered in the histogram analysis phase.
</ul>
<p>
The fuzzy c-Means technique attempts to cluster a pixel by finding the
local minima of the generalized within group sum of squared error objective
function. A pixel is assigned to the closest class of which the fuzzy membership
has a maximum value.
<p>
For additional information see:
<blockquote><em>Young Won Lim, Sang Uk Lee</em>, "<strong>On The Color Image Segmentation
Algorithm Based on the Thresholding and the Fuzzy c-Means Techniques</strong>",
Pattern Recognition, Volume 23, Number 9, pages 935-952, 1990.</blockquote>
<br> <br>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-iman"></a>Image Annotation
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
An image is annotated interactively. There is no command line argument
to annotate an image. To begin, choose
<strong>Annotate</strong> of the <strong>Image
Edit</strong> sub-menu from the <a href="#disp-comm">Command widget</a>. Alternatively,
<a href="#disp-keyb">press</a> a in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in annotate mode. To exit immediately, press Dismiss.
In annotate mode, the Command widget has these options:
<ul>
<li>
<strong>Font Name</strong>
<ul>
<li>
fixed
<li>
variable
<li>
5x8
<li>
6x10
<li>
7x13bold
<li>
8x13bold
<li>
9x15bold
<li>
10x20
<li>
12x24
<li>
Browser...
</ul>
<li>
<strong>Font Color</strong>
<ul>
<li>
black
<li>
blue
<li>
cyan
<li>
green
<li>
gray
<li>
red
<li>
magenta
<li>
yellow
<li>
white
<li>
transparent
<li>
Browser...
</ul>
<li>
<strong>Box Color</strong>
<ul>
<li>
black
<li>
blue
<li>
cyan
<li>
green
<li>
gray
<li>
red
<li>
magenta
<li>
yellow
<li>
white
<li>
transparent
<li>
Browser...
</ul>
<li>
<strong>Rotate Text</strong>
<ul>
<li>
-90
<li>
-45
<li>
-30
<li>
0
<li>
30
<li>
45
<li>
90
<li>
180
<li>
Dialog...
</ul>
<li>
<strong>Help</strong>
<li>
<strong>Dismiss</strong>
</ul>
<p>
Choose a font name from the <strong>Font Name</strong> sub-menu. Additional font
names can be specified with the font browser. You can change the menu names
by setting the <a href="#disp-xres">X resources</a> font1 through font9.
<p>
Choose a font color from the <strong>Font Color</strong> sub-menu. Additional font
colors can be specified with the color browser. You can change the menu
colors by setting the <a href="#disp-xres">X resources</a> pen1 through pen9.
<p>
If you select the color browser and press <strong>Grab</strong>, you can choose the
font color by moving the pointer to the desired color on the screen and
press any button.
<p>
If you choose to rotate the text, choose <strong>Rotate Text</strong> from the menu
and select an angle. Typically you will only want to rotate one line of
text at a time. Depending on the angle you choose, subsequent lines may
end up overwriting each other.
<p>
Choosing a font and its color is optional. The default font is fixed and
the default color is black. However, you must choose a location to begin
entering text and press a button. An underscore character will appear at
the location of the pointer. The cursor changes to a pencil to indicate
you are in text mode. To exit immediately, press Dismiss.
<p>
In text mode, any key presses will display the character at the location
of the underscore and advance the underscore cursor. Enter your text and
once completed press Apply to finish your image annotation. To correct
errors press <strong>BACK SPACE</strong>. To delete an entire line of text, press
<strong>DELETE</strong>.
Any text that exceeds the boundaries of the image window is automatically
continued onto the next line.
<p>
The actual color you request for the font is saved in the image. However,
the color that appears in your Image window may be different. For example,
on a monochrome screen the text will appear black or white even if you
choose the color red as the font color. However, the image saved to a file
with <strong>-write</strong> is written with red lettering. To assure the correct
color text in the final image, any <em>PseudoClass</em> image is promoted
to <em>DirectClass</em> (see miff(5)). To force a <em>PseudoClass</em> image
to remain
<em>PseudoClass</em>, use <strong>-colors</strong>.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imcomp"></a>Image Compositing
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
An image composite is created interactively. <strong>There is no command line
argument to composite an image</strong>. To begin, choose <strong>Composite</strong> of
the <strong>Image Edit</strong> from the <a href="#disp-comm">Command widget</a>. Alternatively,
<a href="#disp-keyb">press</a> x in the Image window.
<p>
First a popup window is displayed requesting you to enter an image name.
Press <strong>Composite</strong>, <strong>Grab</strong> or type a file name. Press <strong>Cancel</strong>
if you choose not to create a composite image. When you choose <strong>Grab</strong>,
move the pointer to the desired window and press any button.
<p>
If the <strong>Composite</strong> image does not have any matte information, you
are informed and the file browser is displayed again. Enter the name of
a mask image. The image is typically grayscale and the same size as the
composite image. If the image is not grayscale, it is converted to grayscale
and the resulting intensities are used as matte information.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in composite mode. To exit immediately, press Dismiss.
In composite mode, the Command widget has these options:
<ul>
<li>
<strong>Operators</strong>
<ul>
<li>
over
<li>
in
<li>
out
<li>
atop
<li>
xor
<li>
plus
<li>
minus
<li>
add
<li>
subtract
<li>
difference
<li>
bumpmap
<li>
replace
</ul>
<li>
<strong>Blend</strong>
<li>
<strong>Displace</strong>
<li>
<strong>Help</strong>
<li>
<strong>Dismiss</strong>
</ul>
<p>
Choose a composite operation from the Operators sub-menu of the Command
widget. How each operator behaves is described below. image window is the
image currently displayed on your X server and image is the image obtained
<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">
over
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is the union of the two image shapes, with <em>image</em> obscuring
<em>image
window</em> in the region of overlap.</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">
in
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is simply <em>image</em> cut by the shape of
<em>image window</em>.
None of the image data of image window is in the result.</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">
out
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The resulting image is <em>image</em> with the shape of
<em>image window</em>
cut out.</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">
atop
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is the same shape as <em>image window</em>, with
<em>image</em>
obscuring <em>image window</em> where the image shapes overlap. Note this
differs from over because the portion of image outside
<em>image window</em>'s
shape does not appear in the result.</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">
xor
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is the image data from both <em>image</em> and
<em>image window</em>
that is outside the overlap region. The overlap region is blank.</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">
plus
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result is just the sum of the image data. Output values are cropped
to 255 (no overflow). This operation is independent of the matte 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">
minus
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image</em> - <em>image window</em>, with underflow cropped
to zero. The matte channel is ignored (set to 255, full coverage).</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">
add
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image</em> + <em>image window</em>, with overflow wrapping
around (mod 256).</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">
subtract
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image</em> - <em>image window</em>, with underflow wrapping
around (mod 256). The add and subtract operators can be used to perform
reversible transformations.</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">
difference
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of abs(<em>image</em> - <em>image window</em>). This is useful for
comparing two very similar images.</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">
bumpmap
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The result of <em>image window</em> shaded by <em>window</em>.</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">
replace
</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8"> <tr><td width="6%"><br></td><td>
The resulting image is <em>image window</em> replaced with
<em>image</em>.
Here the matte information is ignored.</td></tr></table>
<p>
The image compositor requires a matte, or alpha channel in the image for
some operations. This extra channel usually defines a mask which represents
a sort of a cookie-cutter for the image. This is the case when matte is
255 (full coverage) for pixels inside the shape, zero outside, and between
zero and 255 on the boundary. If image does not have a matte channel, it
is initialized with 0 for any pixel matching in color to pixel location
(0,0), otherwise 255. See <a href="#disp-matt">Matte Editing</a> for a method
of defining a matte channel.
<p>
If you choose <strong>blend</strong>, the composite operator becomes <strong>over</strong>.
The image matte channel percent transparency is initialized to factor.
The image window is initialized to (100-factor). Where factor is the value
you specify in the Dialog widget.
<p>
<strong>Displace</strong> shifts the image pixels as defined by a displacement map.
With this option, <em>image</em> is used as a displacement map. Black, within
the displacement map, is a maximum positive displacement. White is a maximum
negative displacement and middle gray is neutral. The displacement is scaled
to determine the pixel shift. By default, the displacement applies in both
the horizontal and vertical directions. However, if you specify
<em>mask</em>,
<em>image</em>
is the horizontal X displacement and
<em>mask</em> the vertical Y displacement.
<p>
Note that matte information for image window is not retained for colormapped
X server visuals (e.g.
<em>StaticColor, StaticColor, GrayScale, PseudoColor</em>).
Correct compositing behavior may require a <em>TrueColor</em> or
<em>DirectColor</em>
visual or a <em>Standard Colormap</em>.
<p>
Choosing a composite operator is optional. The default operator is replace.
However, you must choose a location to composite your image and press button
1. Press and hold the button before releasing and an outline of the image
will appear to help you identify your location.
<p>
The actual colors of the composite image is saved. However, the color that
appears in image window may be different. For example, on a monochrome
screen Image window will appear black or white even though your composited
image may have many colors. If the image is saved to a file it is written
with the correct colors. To assure the correct colors are saved in the
final image, any PseudoClass image is promoted to <em>DirectClass</em> (see
<a href="miff.html">miff</a>).
To force a <em>PseudoClass</em> image to remain <em>PseudoClass</em>,
use <strong>-colors</strong>.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-cole"></a>Color Editing
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Changing the the color of a set of pixels is performed interactively. There
is no command line argument to edit a pixel. To begin, choose <strong>Color</strong>
from the <strong>Image Edit</strong> submenu of the <a href="#disp-comm">Command widget</a>.
Alternatively, <a href="#disp-keyb">press</a> c in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in color edit mode. To exit immediately, press <strong>Dismiss</strong>.
In color edit mode, the
<strong>Command widget</strong> has these options:
<ul>
<li>
<strong>Method</strong>
<ul>
<li>
point
<li>
replace
<li>
floodfill
<li>
reset
</ul>
<li>
<strong>Pixel Color</strong>
<ul>
<li>
black
<li>
blue
<li>
cyan
<li>
green
<li>
gray
<li>
red
<li>
magenta
<li>
yellow
<li>
white
<li>
Browser...
</ul>
<li>
<strong>Border Color</strong>
<ul>
<li>
black
<li>
blue
<li>
cyan
<li>
green
<li>
gray
<li>
red
<li>
magenta
<li>
yellow
<li>
white
<li>
Browser...
</ul>
<li>
<strong>Fuzz</strong>
<ul>
<li>
0
<li>
2
<li>
4
<li>
8
<li>
16
<li>Dialog...
</ul>
<li>
<strong>Undo</strong>
<li>
<strong>Help</strong>
<li>
<strong>Dismiss</strong>
</ul>
<p>
Choose a color editing method from the <strong>Method</strong> sub-menu of
the <a href="#disp-comm">Command
widget</a>. The <strong>point method</strong> recolors any pixel selected with the
pointer unless the button is released. The <strong>replace method</strong> recolors
any pixel that matches the color of the pixel you select with a button
press. <strong>Floodfill</strong> recolors any pixel that matches the color of the
pixel you select with a button press and is a neighbor.
Whereas <strong>filltoborder</strong>
changes the matte value of any neighbor pixel that is not the border color.
Finally <strong>reset</strong> changes the entire image to the designated color.
<p>
Next, choose a pixel color from the <strong>Pixel Color</strong> sub-menu. Additional
pixel colors can be specified with the color browser. You can change the
menu colors by setting the <a href="#disp-xres">X resources</a> pen1 through
pen9.
<p>
Now press button 1 to select a pixel within the Image window to change
its color. Additional pixels may be recolored as prescribed by the method
you choose. additional pixels by increasing the Delta value.
<p>
If the <strong>Magnify widget</strong> is mapped, it can be helpful in positioning
your pointer within the image (refer to button 2). Alternatively you can
select a pixel to recolor from within the <strong>Magnify widget</strong>. Move the
pointer to the <strong>Magnify widget</strong> and position the pixel with the cursor
control keys. Finally, press a button to recolor the selected pixel (or
pixels).
<p>
The actual color you request for the pixels is saved in the image. However,
the color that appears in your Image window may be different. For example,
on a monochrome screen the pixel will appear black or white even if you
choose the color red as the pixel color. However, the image saved to a
file with -write is written with red pixels. To assure the correct color
text in the final image, any <em>PseudoClass</em> image is promoted
to <em>DirectClass</em>
To force a <em>PseudoClass</em> image to remain
<em>PseudoClass</em>, use <strong>-colors</strong>.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-matt"></a>Matte Editing
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Matte information within an image is useful for some operations such as
image <a href="#disp-imcomp">compositing</a>. This extra channel usually defines
a mask which represents a sort of a cookie-cutter for the image. This is
the case when matte is 255 (full coverage) for pixels inside the shape,
zero outside, and between zero and 255 on the boundary.
<p>
Setting the matte information in an image is done interactively. There
is no command line argument to edit a pixel. To begin, and choose <strong>Matte</strong>
of the <strong>Image Edit</strong> sub-menu from the <a href="#disp-comm">Command widget</a>.
<p>
Alternatively, <a href="#disp-keyb">press</a> m in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in matte edit mode. To exit immediately, press Dismiss.
In matte edit mode, the Command widget has these options:
<ul>
<li>
<strong>Method</strong>
<ul>
<li>
point
<li>
replace
<li>
floodfill
<li>
reset
</ul>
<li>
<strong>Border Color</strong>
<ul>
<li>
black
<li>
blue
<li>
cyan
<li>
green
<li>
gray
<li>
red
<li>
magenta
<li>
yellow
<li>
white
<li>
Browser...
</ul>
<li>
<strong>Fuzz</strong>
<ul>
<li>
0
<li>
2
<li>
4
<li>
8
<li>
16
<li>Dialog...
</ul>
<li>
<strong>Matte</strong>
<li>
<strong>Undo</strong>
<li>
<strong>Help</strong>
<li>
<strong>Dismiss</strong>
</ul>
Choose a matte editing method from the <strong>Method</strong> sub-menu of the <a href="#disp-comm">Command
widget</a>. The <strong>point method</strong> changes the matte value of the any
pixel selected with the pointer until the button is released. The <strong>replace
method</strong> changes the matte value of any pixel that matches the color
of the pixel you select with a button press. <strong>Floodfill</strong> changes the
matte value of any pixel that matches the color of the pixel you select
with a button press and is a neighbor. Whereas
<strong>filltoborder</strong> recolors
any neighbor pixel that is not the border color. Finally <strong>reset</strong> changes
the entire image to the designated matte value.
<p>Choose <strong>Matte Value</strong> and a dialog appears requesting a matte value.
Enter a value between <strong>0 and 255</strong>. This value is assigned as the matte
value of the selected pixel or pixels.
<p>Now, press any button to select a pixel within the Image window to change
its matte value. You can change the matte value of additional pixels by
increasing the Delta value. The Delta value is first added then subtracted
from the red, green, and blue of the target color. Any pixels within the
range also have their matte value updated.
<p>If the <strong>Magnify widget</strong> is mapped, it can be helpful in positioning
your pointer within the image (refer to button 2). Alternatively you can
select a pixel to change the matte value from within the
<strong>Magnify widget</strong>.
Move the pointer to the <strong>Magnify widget</strong> and position the pixel with
the cursor control keys. Finally, press a button to change the matte value
of the selected pixel (or pixels).
<p>Matte information is only valid in a <em>DirectClass image</em>. Therefore,
any <em>PseudoClass</em> image is promoted to
<em>DirectClass</em>. Note that
matte information for <em>PseudoClass</em> is not retained for colormapped
X server visuals (e.g. <em>StaticColor, StaticColor, GrayScale, PseudoColor</em>)
unless you immediately save your image to a file (refer to Write). Correct
matte editing behavior may require a <em>TrueColor</em> or <em>DirectColor</em>
visual or a <em>Standard Colormap</em>.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-imdr"></a>Image Drawing
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
An image is drawn upon interactively. <strong>There is no command line argument
to draw on an image</strong>. To begin, choose <strong>Draw</strong> of the Image <strong>Edit</strong>
sub-menu from the <a href="#disp-comm">Command widget</a>.
Alternatively, <a href="#disp-keyb">press</a> d in the image window.
<p>
The cursor changes to a crosshair to indicate you are in draw mode. To
exit immediately, press Dismiss. In draw mode, the Command widget has these
options:
<ul>
<li>
<strong>Primitive</strong>
<ul>
<li>
point
<li>
line
<li>
rectangle
<li>
fill rectangle
<li>
circle
<li>
fill circle
<li>
ellipse
<li>
fill ellipse
<li>
polygon
<li>
fill polygon
</ul>
<li>
<strong>Color</strong>
<ul>
<li>
black
<li>
blue
<li>
cyan
<li>
green
<li>
gray
<li>
red
<li>
magenta
<li>
yellow
<li>
white
<li>
transparent
<li>
Browser...
</ul>
<li>
<strong>Stipple</strong>
<ul>
<li>
Brick
<li>
Diagonal
<li>
Scales
<li>
Vertical
<li>
Wavy
<li>
Translucent
<li>
Opaque
<li>
Open...
</ul>
<li>
<strong>Width</strong>
<ul>
<li>
1
<li>
2
<li>
4
<li>
8
<li>
16
<li>Dialog...
</ul>
<li>
<strong>Undo</strong>
<li>
<strong>Help</strong>
<li>
<strong>Dismiss</strong>
</ul>
Choose a drawing primitive from the <strong>Primitive</strong> sub-menu.
<p>
Next, choose a color from the <strong>Color</strong> sub-menu. Additional colors
can be specified with the color browser. You can change the menu colors
by setting the <a href="#disp-xres">X resources</a> pen1 through pen9. The transparent
color updates the image matte channel and is useful for image compositing.
<p>
If you choose the color browser and press <strong>Grab</strong>, you can select the
primitive color by moving the pointer to the desired color on the screen
and press any button. The transparent color updates the image matte channel
and is useful for image compositing.
<p>
Choose a stipple, if appropriate, from the <strong>Stipple</strong> sub-menu. Additional
stipples can be specified with the file browser. Stipples obtained from
the file browser must be on disk in the X11 bitmap format.
<p>
Choose a line width, if appropriate, from the <strong>Width</strong> sub-menu. To
choose a specific width select the <strong>Dialog</strong> widget.
<p>
Choose a point in the image window and press button 1 and hold. Next, move
the pointer to another location in the image. As you move, a line connects
the initial location and the pointer. When you release the button, the
image is updated with the primitive you just drew. For polygons, the image
is updated when you press and release the button without moving the pointer.
<p>
To cancel image drawing, move the pointer back to the starting point of
the line and release the button.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-regi"></a>Region of Interest
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
To begin, press choose Region of Interest of the Pixel Transform sub-menu
from the <a href="#disp-comm">Command widget</a>.
Alternatively, <a href="#disp-keyb">press</a> R in the image window.
<p>
A small window appears showing the location of the cursor in the image
window. You are now in region of interest mode. In region of interest mode,
the Command widget has these options:
<ul>
<li>
<strong>Help</strong>
<li>
<strong>Dismiss</strong>
</ul>
<p>
To define a region of interest, press button 1 and drag. The region of
interest is defined by a highlighted rectangle that expands or contracts
as it follows the pointer. Once you are satisfied with the region of interest,
release the button. You are now in apply mode. In apply mode the Command
widget has these options:
<ul>
<li>
<strong>File</strong>
<ul>
<li>
Save...
<li>
Print...
</ul>
<li>
<strong>Edit</strong>
<ul>
<li>
Undo
<li>
Redo
</ul>
<li>
<strong>Transform</strong>
<ul>
<li>
Flip
<li>
Flop
<li>
Rotate Right
<li>
Rotate Left
</ul>
<li>
<strong>Enhance</strong>
<ul>
<li>
Hue...
<li>
Saturation...
<li>
Brightness...
<li>
Gamma...
<li>
Spiff
<li>
Dull
<li>
Equalize
<li>
Normalize
<li>
Negate
<li>
GRAYscale
<li>
Quantize...
</ul>
<li>
<strong>Effects</strong>
<ul>
<li>
Despeckle
<li>
Emboss
<li>
Reduce Noise
<li>
Add Noise
<li>
Sharpen...
<li>
Blur...
<li>
Threshold...
<li>
Edge Detect...
<li>
Spread...
<li>
Shade...
<li>
Raise...
<li>
Segment...
</ul>
</ul>
<ul>
<li>
<strong>F/X</strong>
<ul>
<li>
Solarize...
<li>
Swirl...
<li>
Implode...
<li>
Wave...
<li>
Oil Paint
<li>
Charcoal Draw...
</ul>
</ul>
<ul>
<li>
<strong>Miscellany</strong>
<ul>
<li>
Image Info
<li>
Zoom Image
<li>
Show Preview...
<li>
Show Histogram
<li>
Show Matte
</ul>
<li>
<strong>Help</strong>
<li>
<strong>Dismiss</strong>
</ul>
<p>
You can make adjustments to the region of interest by moving the pointer
to one of the rectangle corners, pressing a button, and dragging. Finally,
choose an image processing technique from the Command widget. You can choose
more than one image processing technique to apply to an area. Alternatively,
you can move the region of interest before applying another image processing
technique. To exit, press Dismiss.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-impa"></a>Image Panning
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
When an image exceeds the width or height of the X server screen, display
maps a small panning icon. The rectangle within the panning icon shows
the area that is currently displayed in the the image window. To pan about
the image, press any button and drag the pointer within the panning icon.
The pan rectangle moves with the pointer and the image window is updated
to reflect the location of the rectangle within the panning icon. When
you have selected the area of the image you wish to view, release the button.
<p>
Use the arrow keys to pan the image one pixel up, down, left, or right
within the image window.
<p>
The panning icon is withdrawn if the image becomes smaller than the dimensions
of the X server screen.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-pref"></a>User Preferences
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
Preferences affect the default behavior of <strong>display(1)</strong>. The preferences
are either true or false and are stored in your home directory
as <tt>.displayrc</tt>:
<dl>
<dt>
<strong>display image centered on a backdrop</strong></dt>
<dd>
This backdrop covers the entire workstation screen and is useful for hiding
other X window activity while viewing the image. The color of the backdrop
is specified as the background color. Refer to <a href="#disp-xres">X Resources</a>
for details.</dd>
<dt>
<strong>confirm on program exit</strong></dt>
<dd>
Ask for a confirmation before exiting the <strong>display(1)</strong> program.</dd>
<dt>
<strong>correct image for display gamma</strong></dt>
<dd>
If the image has a known gamma, the gamma is corrected to match that of
the X server (see the <a href="#disp-xres">X Resource</a><strong> displayGamma</strong>).</dd>
<dt>
<strong>display warning messages</strong></dt>
<dd>
Display any warning messages.</dd>
<dt>
<strong>apply Floyd/Steinberg error diffusion to image</strong></dt>
<dd>
The basic strategy of dithering is to trade intensity resolution for spatial
resolution by averaging the intensities of several neighboring pixels.
Images which suffer from severe contouring when reducing colors can be
improved with this preference.</dd>
<dt>
<strong>use a shared colormap for colormapped X visuals</strong></dt>
<dd>
This option only applies when the default X server visual is
<em>PseudoColor</em>
or <em>GRAYScale</em>. Refer to <strong>-visual</strong> for more details. By default,
a shared colormap is allocated. The image shares colors with other X clients.
Some image colors could be approximated, therefore your image may look
very different than intended. Otherwise the image colors appear exactly
as they are defined. However, other clients may go technicolor when the
image colormap is installed.</dd>
<dt>
<strong>display images as an X server pixmap</strong></dt>
<dd>
Images are maintained as a XImage by default. Set this resource to True
to utilize a server Pixmap instead. This option is useful if your image
exceeds the dimensions of your server screen and you intend to pan the
image. Panning is much faster with Pixmaps than with a XImage. Pixmaps
are considered a precious resource, use them with discretion.</dd>
</dl>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-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>
</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="disp-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>
<?xml version="1.0"?>
<colormap>
<color name="AliceBlue" red="240" green="248" blue="255"
compliance="SVG, X11, XPM" />
</colormap>
</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>
<?xml version="1.0"?>
<magicklog>
<log events="None" />
<log output="stdout" />
<log filename="Magick-%d.log" />
<log generations="3" />
<log limit="2000" />
<log format="%t %r %u %p %m/%f/%l/%d:\n %e" />
</magicklog>
</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>
<?xml version="1.0"?>
<modulemap>
<module magick="8BIM" name="META" />
</modulemap>
</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>
<?xml version="1.0"?>
<typemap>
<<strong></strong>include file="type-windows.mgk" />
<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"
/>
</typemap>
</pre>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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="disp-ackn"></a>Acknowledgements
</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr><td width="3%"><br></td><td>
<p>
The <strong>MIT X Consortium</strong> for making network transparent graphics a
reality.
<p>
<em>Peder Langlo</em>, <strong>Hewlett Packard</strong>, Norway, made hundreds of suggestions
and bug reports. Without Peder, <strong>GraphicsMagick</strong> would not be nearly
as useful as it is today.
<p>
<em>Rod Bogart</em> and <em>John W. Peterson</em>, <strong>University of Utah</strong>.
Image compositing is loosely based on rlecomp of the Utah Raster Toolkit.
<p>
<em>Michael Halle</em>, <strong>Spatial Imaging Group at MIT</strong>, for the initial
implementation of Alan Paeth's image rotation algorithm.
<p>
<em>David Pensak</em>, <strong>E. I. du Pont de Nemours and Company</strong>, for
providing a computing environment that made this program possible.
<p>
<em>Paul Raveling</em>, <strong>USC Information Sciences Institute</strong>. The
spatial subdivision color reduction algorithm is based on his Img software.
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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> <br>
</td></tr></table>
<p>
<i><a href="#top">Back to Contents</a></i>
</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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</p>
<HR>
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<BR>
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files
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