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3 <?xml-stylesheet type=
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pref=
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renderer=
"mathplayer-dl"><head><meta http-equiv=
"Content-Type" content=
"text/html; charset=UTF-8" /><title>gluOrtho2D
</title><meta name=
"generator" content=
"DocBook XSL Stylesheets V1.73.2" /></head><body><div class=
"refentry" lang=
"en" xml:
lang=
"en"><a id=
"gluOrtho2D"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>gluOrtho2D — define a
2D orthographic projection matrix
</p></div><div class=
"refsynopsisdiv"><h2>C Specification
</h2><div class=
"funcsynopsis"><table border=
"0" summary=
"Function synopsis" cellspacing=
"0" cellpadding=
"0"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">gluOrtho2D
</b>(
</code></td><td>GLdouble
</td><td><var class=
"pdparam">left
</var>,
</td></tr><tr><td> </td><td>GLdouble
</td><td><var class=
"pdparam">right
</var>,
</td></tr><tr><td> </td><td>GLdouble
</td><td><var class=
"pdparam">bottom
</var>,
</td></tr><tr><td> </td><td>GLdouble
</td><td><var class=
"pdparam">top
</var><code>)
</code>;
</td></tr></table></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"parameters"></a><h2>Parameters
</h2><div class=
"variablelist"><dl><dt><span class=
"term"><em class=
"parameter"><code>left
</code></em>,
</span><span class=
"term"><em class=
"parameter"><code>right
</code></em></span></dt><dd><p>
4 Specify the coordinates for the left and right vertical clipping planes.
5 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>bottom
</code></em>,
</span><span class=
"term"><em class=
"parameter"><code>top
</code></em></span></dt><dd><p>
6 Specify the coordinates for the bottom and top horizontal clipping planes.
7 </p></dd></dl></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"description"></a><h2>Description
</h2><p>
8 <code class=
"function">gluOrtho2D
</code> sets up a two-dimensional orthographic viewing region.
9 This is equivalent to calling
<a class=
"citerefentry" href=
"glOrtho.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glOrtho
</span></span></a> with
10 <mml:math xmlns:
mml=
"http://www.w3.org/1998/Math/MathML" overflow=
"scroll">
13 <mml:mi mathvariant=
"italic">near
</mml:mi>
19 <mml:math xmlns:
mml=
"http://www.w3.org/1998/Math/MathML" overflow=
"scroll">
22 <mml:mi mathvariant=
"italic">far
</mml:mi>
27 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p>
28 <a class=
"citerefentry" href=
"glOrtho.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glOrtho
</span></span></a>,
29 <a class=
"citerefentry" href=
"gluPerspective.xml"><span class=
"citerefentry"><span class=
"refentrytitle">gluPerspective
</span></span></a>
30 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
31 Copyright
<span class=
"trademark"></span>©
1991-
2006
32 Silicon Graphics, Inc. This document is licensed under the SGI
33 Free Software B License. For details, see
34 <a class=
"ulink" href=
"http://oss.sgi.com/projects/FreeB/" target=
"_top">http://oss.sgi.com/projects/FreeB/
</a>.
35 </p></div></div></body></html>