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><head><title>gleScrew</title><link rel="stylesheet" href="style.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.59.1"/><link rel="home" href="index.xml" title="PyOpenGL 2.0.1.07 Man Pages"/><link rel="up" href="reference-GLE.xml" title="GLE"/><link rel="previous" href="glePolyCylinder.3GLE.xml" title="glePolyCylinder"/><link rel="next" href="gleSetJoinStyle.3GLE.xml" title="gleSetJoinStyle"/></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">gleScrew</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glePolyCylinder.3GLE.xml">Prev</a></td><th width="60%" align="center">GLE</th><td width="20%" align="right"><a accesskey="n" href="gleSetJoinStyle.3GLE.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="gleScrew.3GLE"/><div class="titlepage"/><div class="refnamediv"><a name="gleScrew.3GLE-name"/><h2>Name</h2><p>gleScrew — Draws screw-type shapes.</p></div><div class="refsynopsisdiv"><a name="gleScrew.3GLE-c_spec"/><h2>C specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void<tt>gleScrew</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>int<i><tt>ncp</tt></i>, gleDouble<i><tt>contour</tt></i>[][2], gleDouble<i><tt>cont_normal</tt></i>[][2], gleDouble<i><tt>up</tt></i>[3], gleDouble<i><tt>startz</tt></i>, gleDouble<i><tt>endz</tt></i>, gleDouble<i><tt>twist</tt></i>);</code></td></tr></table></div><div class="refsynopsisdiv"><a name="gleScrew.3GLE-python_specification"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>gleScrew</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code><i><tt>contour</tt></i>[][2], <i><tt>cont_normal</tt></i>[][2], <i><tt>up</tt></i>[3], <i><tt>startz</tt></i>, <i><tt>endz</tt></i>, <i><tt>twist</tt></i>) →<tt>None</tt></code></td></tr></table></div><div class="refsect1" lang="en"><a name="gleScrew.3GLE-parameters"/><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><i><tt>ncp</tt></i></span></dt><dd>
number of contour points
</dd><dt><span class="term"><i><tt>contour</tt></i></span></dt><dd>
2D contour
</dd><dt><span class="term"><i><tt>cont_normal</tt></i></span></dt><dd>
2D contour normals
</dd><dt><span class="term"><i><tt>up</tt></i></span></dt><dd>
up vector for contour
</dd><dt><span class="term"><i><tt>startx</tt></i></span></dt><dd>
start of segment
</dd><dt><span class="term"><i><tt>endz</tt></i></span></dt><dd>
end of segment
</dd><dt><span class="term"><i><tt>twist</tt></i></span></dt><dd>
number of rotations
</dd></dl></div></div><div class="refsect1" lang="en"><a name="gleScrew.3GLE-description"/><h2>Description</h2><p>
Draws screw-type shapes. Takes a contour, and extrudes it along the z-axis, from a start z value of startz to an end
z-value of endz. During the extrusion, it will spin the contour along the contour origin by twist degrees.
</p></div><div class="refsect1" lang="en"><a name="gleScrew.3GLE-see_also"/><h2>See Also</h2><p>
<a href="gleExtrusion.3GLE.xml">gleExtrusion</a>
</p></div><div class="refsect1" lang="en"><a name="gleScrew.3GLE-author"/><h2>Author</h2><p>
Linas Vepstas
</p></div></div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="glePolyCylinder.3GLE.xml">Prev</a></td><td width="20%" align="center"><a accesskey="u" href="reference-GLE.xml">Up</a></td><td width="40%" align="right"><a accesskey="n" href="gleSetJoinStyle.3GLE.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glePolyCylinder</td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top">gleSetJoinStyle</td></tr></table></div></body></html>
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