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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><title>GL: 3-D Graphics</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,"tocview_0");">▼</a></td><td></td><td><a href="" class="tocviewselflink" data-pltdoc="x">GL:<span class="mywbr"> </span> 3-<wbr></wbr>D Graphics</a></td></tr></table></div><div class="tocviewsublistonly" style="display: block;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1 </td><td><a href="overview.html" class="tocviewlink" data-pltdoc="x">Using Open<span class="mywbr"> </span>GL</a></td></tr><tr><td align="right">2 </td><td><a href="gl.html" class="tocviewlink" data-pltdoc="x">C-<wbr></wbr>Style Open<span class="mywbr"> </span>GL</a></td></tr><tr><td align="right">3 </td><td><a href="main.html" class="tocviewlink" data-pltdoc="x">Racket-<wbr></wbr>Style Open<span class="mywbr"> </span>GL</a></td></tr><tr><td align="right">4 </td><td><a href="gl-vectors.html" class="tocviewlink" data-pltdoc="x">Open<span class="mywbr"> </span>GL Vectors</a></td></tr><tr><td align="right">5 </td><td><a href="bitmaps.html" class="tocviewlink" data-pltdoc="x">Bitmaps</a></td></tr><tr><td align="right">6 </td><td><a href="init.html" class="tocviewlink" data-pltdoc="x">Initialization</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><span class="tocsublinknumber"></span><a href="#%28part._top%29" class="tocsubseclink" data-pltdoc="x">GL:<span class="mywbr"> </span> 3-<wbr></wbr>D Graphics</a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="versionbox"><span class="version">6.7</span></div><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.7", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">top</a></span><span class="navright"> <span class="nonavigation">← prev</span> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">up</a> <a href="overview.html" title="forward to "1 Using OpenGL"" data-pltdoc="x">next →</a></span> </div><h2 x-source-module="(lib "sgl/scribblings/sgl.scrbl")" x-source-pkg="sgl" x-part-tag=""top""><a name="(part._top)"></a><a name="(part._.G.L__3-.D_.Graphics)"></a>GL: 3-D Graphics</h2><div class="SAuthorListBox"><span class="SAuthorList"><p class="author">Scott Owens</p></span></div><p>The <a href="main.html" class="RktModLink" data-pltdoc="x"><span class="RktSym">sgl</span></a> libraries provide access to the rendering
functions of <a name="(idx._(gentag._0._(lib._sgl/scribblings/sgl..scrbl)))"></a>OpenGL 1.5 and <a name="(idx._(gentag._1._(lib._sgl/scribblings/sgl..scrbl)))"></a>GLU 1.3
libraries. The <a href="main.html" class="RktModLink" data-pltdoc="x"><span class="RktSym">sgl</span></a> libraries to not address
system-level concerns, such as the attachment of GL rendering contexts
to displays. Instead, the libraries should work with any Racket
extension that provides GL with access to the system (such as a
binding for <span class="stt">glx</span>). Notably, the <a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=gui&rel=index.html&version=6.7" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/gui/base</span></a>
library provides support for rendering contexts via the
<span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=gui&rel=canvas_.html&version=6.7" class="RktValLink Sq" data-pltdoc="x">canvas%</a></span> class and its <span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=gui&rel=canvas_.html%23%2528meth._%2528%2528%2528lib._mred%252Fmain..rkt%2529._canvas%7E25%2529._with-gl-context%2529%2529&version=6.7" class="RktValLink Sq" data-pltdoc="x">with-gl-context</a></span>
method.</p><table cellspacing="0" cellpadding="0"><tr><td><p><span class="hspace"> </span><a href="overview.html" class="toptoclink" data-pltdoc="x">1<span class="hspace"> </span>Using OpenGL</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="gl.html" class="toptoclink" data-pltdoc="x">2<span class="hspace"> </span>C-Style OpenGL</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="main.html" class="toptoclink" data-pltdoc="x">3<span class="hspace"> </span>Racket-Style OpenGL</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="gl-vectors.html" class="toptoclink" data-pltdoc="x">4<span class="hspace"> </span>OpenGL Vectors</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="bitmaps.html" class="toptoclink" data-pltdoc="x">5<span class="hspace"> </span>Bitmaps</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="init.html" class="toptoclink" data-pltdoc="x">6<span class="hspace"> </span>Initialization</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="doc-index.html" class="toptoclink" data-pltdoc="x">Index</a></p></td></tr></table><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.7", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">top</a></span><span class="navright"> <span class="nonavigation">← prev</span> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">up</a> <a href="overview.html" title="forward to "1 Using OpenGL"" data-pltdoc="x">next →</a></span> </div></div></div><div id="contextindicator"> </div></body></html>
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