OpenSceneGraph/doc/doc++/osgUtil/Tesselator.html

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<TITLE>class OSGUTIL_EXPORT osgUtil::Tesselator</TITLE>
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<H2>class OSGUTIL_EXPORT <A HREF="#DOC.DOCU">osgUtil::Tesselator</A></H2></H2><BLOCKQUOTE>A simple class for tessellating a single polygon boundary.</BLOCKQUOTE>
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<HR>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.23.1">Tesselator</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.23.2">~Tesselator</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.6">beginTesselation</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.7">beginContour</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.8">addVertex</A></B>(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.23.16">vertex</A>)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.9">endContour</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.10">endTesselation</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.23.11">PrimList</A>&amp; <B><A HREF="#DOC.2.23.12">getPrimList</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.13">retesselatePolygons</A></B>(osg::Geometry&amp; geom)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.14">reset</A></B>()
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</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>enum <B><A HREF="#DOC.2.23.3">InputBoundaryDirection</A></B>
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt;osg::Vec3*&gt; <B><A HREF="#DOC.2.23.4">VertexPointList</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>struct <B><A HREF="#DOC.2.23.5">Prim</A></B>: public osg::Referenced
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt; osg::ref_ptr&lt;<!1><A HREF="Tesselator.html#DOC.2.23.5">Prim</A>&gt; &gt; <B><A HREF="#DOC.2.23.11">PrimList</A></B>
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</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>GLUtesselator* <B><A HREF="#DOC.2.23.29">_tobj</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.23.11">PrimList</A> <B><A HREF="#DOC.2.23.30">_primList</A></B>
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.23.28">Vec3dList</A> <B><A HREF="#DOC.2.23.31">_coordData</A></B>
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.23.27">NewVertexList</A> <B><A HREF="#DOC.2.23.32">_newVertexList</A></B>
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>GLenum <B><A HREF="#DOC.2.23.33">_errorCode</A></B>
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</DL></P>
<P><DL>
<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.15">begin</A></B>(GLenum mode)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.16">vertex</A></B>(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.23.16">vertex</A>)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.17">combine</A></B>(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.23.16">vertex</A>, void* vertex_data[4], GLfloat weight[4])
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.18">end</A></B>()
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.23.19">error</A></B>(GLenum errorCode)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.23.20">beginCallback</A></B>(GLenum which, void* userData)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.23.21">vertexCallback</A></B>(GLvoid* data, void* userData)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.23.22">combineCallback</A></B>(GLdouble coords[3], void* vertex_data[4], GLfloat weight[4], void** outData, void* useData)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.23.23">endCallback</A></B>(void* userData)
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.23.24">errorCallback</A></B>(GLenum errorCode, void* userData)
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</DL></P>
<P><DL>
<DT><H3>Protected Members</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>struct <B><A HREF="#DOC.2.23.25">Vec3d</A></B>
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>struct <B><A HREF="#DOC.2.23.26">NewVertex</A></B>
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<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::map&lt;osg::Vec3*,<!1><A HREF="Tesselator.html#DOC.2.23.26">NewVertex</A>&gt; <B><A HREF="#DOC.2.23.27">NewVertexList</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt;<!1><A HREF="Tesselator.html#DOC.2.23.25">Vec3d</A>*&gt; <B><A HREF="#DOC.2.23.28">Vec3dList</A></B>
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</DL></P>
</DL>
<A NAME="DOC.DOCU"></A>
<HR>
<H2>Documentation</H2>
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<BLOCKQUOTE>A simple class for tessellating a single polygon boundary.
Currently uses old style glu tessellation functions for portability.
It be nice to use the modern glu tessellation functions or to find
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a small set of code for doing this job better.</BLOCKQUOTE>
<DL>
<A NAME="Tesselator"></A>
<A NAME="DOC.2.23.1"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Tesselator()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="~Tesselator"></A>
<A NAME="DOC.2.23.2"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ~Tesselator()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="InputBoundaryDirection"></A>
<A NAME="DOC.2.23.3"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>enum InputBoundaryDirection</B></TT>
<DL><DT><DD></DL><P><DL>
<A NAME="CLOCK_WISE"></A>
<A NAME="DOC.2.23.3.1"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> CLOCK_WISE</B></TT>
<DL><DT><DD></DL><P>
<A NAME="COUNTER_CLOCK_WISE"></A>
<A NAME="DOC.2.23.3.2"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> COUNTER_CLOCK_WISE</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="VertexPointList"></A>
<A NAME="DOC.2.23.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::vector&lt;osg::Vec3*&gt; VertexPointList</B></TT>
<DL><DT><DD></DL><P>
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<A NAME="Prim"></A>
<A NAME="DOC.2.23.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>struct Prim: public osg::Referenced</B></TT>
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<DL><DT><DD></DL><P><DL>
<A NAME="Prim"></A>
<A NAME="DOC.2.23.5.1"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Prim(GLenum mode)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="VecList"></A>
<A NAME="DOC.2.23.5.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::vector&lt;osg::Vec3*&gt; VecList</B></TT>
<DL><DT><DD></DL><P>
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<A NAME="_mode"></A>
<A NAME="DOC.2.23.5.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLenum _mode</B></TT>
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<DL><DT><DD></DL><P>
<A NAME="_vertices"></A>
<A NAME="DOC.2.23.5.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.23.5.2">VecList</A> _vertices</B></TT>
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<DL><DT><DD></DL><P></DL>
<A NAME="beginTesselation"></A>
<A NAME="DOC.2.23.6"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void beginTesselation()</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="beginContour"></A>
<A NAME="DOC.2.23.7"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void beginContour()</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="addVertex"></A>
<A NAME="DOC.2.23.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void addVertex(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.23.16">vertex</A>)</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="endContour"></A>
<A NAME="DOC.2.23.9"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void endContour()</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="endTesselation"></A>
<A NAME="DOC.2.23.10"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void endTesselation()</B></TT>
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<DL><DT><DD></DL><P>
<A NAME="PrimList"></A>
<A NAME="DOC.2.23.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::vector&lt; osg::ref_ptr&lt;<!1><A HREF="Tesselator.html#DOC.2.23.5">Prim</A>&gt; &gt; PrimList</B></TT>
<DL><DT><DD></DL><P>
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<A NAME="getPrimList"></A>
<A NAME="DOC.2.23.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.23.11">PrimList</A>&amp; getPrimList()</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="retesselatePolygons"></A>
<A NAME="DOC.2.23.13"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void retesselatePolygons(osg::Geometry&amp; geom)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="reset"></A>
<A NAME="DOC.2.23.14"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void reset()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="begin"></A>
<A NAME="DOC.2.23.15"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void begin(GLenum mode)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="vertex"></A>
<A NAME="DOC.2.23.16"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void vertex(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.23.16">vertex</A>)</B></TT>
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<DL><DT><DD></DL><P>
<A NAME="combine"></A>
<A NAME="DOC.2.23.17"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void combine(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.23.16">vertex</A>, void* vertex_data[4], GLfloat weight[4])</B></TT>
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<DL><DT><DD></DL><P>
<A NAME="end"></A>
<A NAME="DOC.2.23.18"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void end()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="error"></A>
<A NAME="DOC.2.23.19"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void error(GLenum errorCode)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="beginCallback"></A>
<A NAME="DOC.2.23.20"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>static void CALLBACK beginCallback(GLenum which, void* userData)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="vertexCallback"></A>
<A NAME="DOC.2.23.21"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>static void CALLBACK vertexCallback(GLvoid* data, void* userData)</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="combineCallback"></A>
<A NAME="DOC.2.23.22"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>static void CALLBACK combineCallback(GLdouble coords[3], void* vertex_data[4], GLfloat weight[4], void** outData, void* useData)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="endCallback"></A>
<A NAME="DOC.2.23.23"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>static void CALLBACK endCallback(void* userData)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="errorCallback"></A>
<A NAME="DOC.2.23.24"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>static void CALLBACK errorCallback(GLenum errorCode, void* userData)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="Vec3d"></A>
<A NAME="DOC.2.23.25"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>struct Vec3d</B></TT>
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<DL><DT><DD></DL><P><DL>
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<A NAME="_v"></A>
<A NAME="DOC.2.23.25.1"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>double _v[3]</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="NewVertex"></A>
<A NAME="DOC.2.23.26"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>struct NewVertex</B></TT>
<DL><DT><DD></DL><P><DL>
<A NAME="NewVertex"></A>
<A NAME="DOC.2.23.26.1"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> NewVertex()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="NewVertex"></A>
<A NAME="DOC.2.23.26.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> NewVertex(const <!1><A HREF="Tesselator.html#DOC.2.23.26.2">NewVertex</A>&amp; nv)</B></TT>
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<DL><DT><DD></DL><P>
<A NAME="NewVertex"></A>
<A NAME="DOC.2.23.26.3"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> NewVertex(float f1, osg::Vec3* v1, float f2, osg::Vec3* v2, float f3, osg::Vec3* v3, float f4, osg::Vec3* v4)</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_f1"></A>
<A NAME="DOC.2.23.26.4"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f1</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_v1"></A>
<A NAME="DOC.2.23.26.5"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v1</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_f2"></A>
<A NAME="DOC.2.23.26.6"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f2</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_v2"></A>
<A NAME="DOC.2.23.26.7"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v2</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_f3"></A>
<A NAME="DOC.2.23.26.8"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f3</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_v3"></A>
<A NAME="DOC.2.23.26.9"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v3</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_f4"></A>
<A NAME="DOC.2.23.26.10"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f4</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_v4"></A>
<A NAME="DOC.2.23.26.11"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v4</B></TT>
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<DL><DT><DD></DL><P></DL>
<A NAME="NewVertexList"></A>
<A NAME="DOC.2.23.27"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::map&lt;osg::Vec3*,<!1><A HREF="Tesselator.html#DOC.2.23.26">NewVertex</A>&gt; NewVertexList</B></TT>
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<A NAME="Vec3dList"></A>
<A NAME="DOC.2.23.28"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::vector&lt;<!1><A HREF="Tesselator.html#DOC.2.23.25">Vec3d</A>*&gt; Vec3dList</B></TT>
<DL><DT><DD></DL><P>
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<A NAME="_tobj"></A>
<A NAME="DOC.2.23.29"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLUtesselator* _tobj</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_primList"></A>
<A NAME="DOC.2.23.30"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.23.11">PrimList</A> _primList</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_coordData"></A>
<A NAME="DOC.2.23.31"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.23.28">Vec3dList</A> _coordData</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_newVertexList"></A>
<A NAME="DOC.2.23.32"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.23.27">NewVertexList</A> _newVertexList</B></TT>
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<DL><DT><DD></DL><P>
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<A NAME="_errorCode"></A>
<A NAME="DOC.2.23.33"></A>
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<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLenum _errorCode</B></TT>
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<DL><DT><DD></DL><P></DL>
<HR><DL><DT><B>This class has no child classes.</B></DL>
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<DL><DT><DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I> <I><A HREF="HIER.html">HTML hierarchy of classes</A> or <A HREF="HIERjava.html">Java</A></I></P><HR>
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