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OpenSceneGraph/doc/doc++/osgUtil/Tesselator.html
Robert Osfield ed10594139 Updated docs
2004-08-06 06:53:36 +00:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<TITLE>class OSGUTIL_EXPORT osgUtil::Tesselator</TITLE>
<META NAME="GENERATOR" CONTENT="DOC++ 3.4.6">
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<BODY BGCOLOR="#ffffff">
<H2>class OSGUTIL_EXPORT <A HREF="#DOC.DOCU">osgUtil::Tesselator</A></H2></H2><BLOCKQUOTE>Originally a simple class for tessellating a single polygon boundary.</BLOCKQUOTE>
<HR>
<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=65>
<param name=classes value="Mosg::Referenced,M,CTesselator,MTesselator.html">
<param name=before value="M,M">
<param name=after value="Md_,M">
<param name=indent value="0,1">
<param name=arrowdir value="down">
</APPLET>
<HR>
<DL>
<P><DL>
<DT><H3>Public Classes</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>enum <B><A HREF="#DOC.2.26.3">WindingType</A></B>
<DD><I>The winding rule, see red book ch 11.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>enum <B><A HREF="#DOC.2.26.4">TesselationType</A></B>
<DD><I>we interpret all contours in the geometry as a single set to be tesselated or each separate drawable's contours needs to be tesselated.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>struct <B><A HREF="#DOC.2.26.14">Prim</A></B>: public osg::Referenced
</DL></P>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.26.1">Tesselator</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.26.2">~Tesselator</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.5">setBoundaryOnly</A></B>(const bool tt)
<DD><I>Set and get tesselation request boundary only on/off </I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const bool <B><A HREF="#DOC.2.26.6">getBoundaryOnly</A></B>( )
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.7">setWindingType</A></B>(const <!1><A HREF="Tesselator.html#DOC.2.26.3">WindingType</A> wt)
<DD><I>Set and get tesselation windong rule </I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const <!1><A HREF="Tesselator.html#DOC.2.26.3">WindingType</A> <B><A HREF="#DOC.2.26.8">getWindingType</A></B>( )
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.9">setTesselationType</A></B>(const <!1><A HREF="Tesselator.html#DOC.2.26.4">TesselationType</A> tt)
<DD><I>Set and get tesselation type </I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const <!1><A HREF="Tesselator.html#DOC.2.26.4">TesselationType</A> <B><A HREF="#DOC.2.26.10">getTesselationType</A></B>( )
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.11">retesselatePolygons</A></B>(osg::Geometry &amp;cxgeom)
<DD><I>Change the contours lists of the geometry into tesselated primitives (the list of primitives in the original geometry is stored in the tesselator for possible re-use.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>osg::Geometry::PrimitiveSetList <B><A HREF="#DOC.2.26.12">getContours</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.15">beginTesselation</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.16">beginContour</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.17">addVertex</A></B>(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.26.29">vertex</A>)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.18">endContour</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.19">endTesselation</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.26.20">PrimList</A>&amp; <B><A HREF="#DOC.2.26.21">getPrimList</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.22">reset</A></B>()
</DL></P>
<P><DL>
<DT><H3>Public</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt;osg::Vec3*&gt; <B><A HREF="#DOC.2.26.13">VertexPointList</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt; osg::ref_ptr&lt;<!1><A HREF="Tesselator.html#DOC.2.26.14">Prim</A>&gt; &gt; <B><A HREF="#DOC.2.26.20">PrimList</A></B>
</DL></P>
<P><DL>
<DT><H3>Protected Classes</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>struct <B><A HREF="#DOC.2.26.38">Vec3d</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>struct <B><A HREF="#DOC.2.26.39">NewVertex</A></B>
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>GLUtesselator* <B><A HREF="#DOC.2.26.42">_tobj</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.26.20">PrimList</A> <B><A HREF="#DOC.2.26.43">_primList</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.26.41">Vec3dList</A> <B><A HREF="#DOC.2.26.44">_coordData</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.26.40">NewVertexList</A> <B><A HREF="#DOC.2.26.45">_newVertexList</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>GLenum <B><A HREF="#DOC.2.26.46">_errorCode</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.26.3">WindingType</A> <B><A HREF="#DOC.2.26.47">_wtype</A></B>
<DD><I>winding rule, which parts will become solid </I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Tesselator.html#DOC.2.26.4">TesselationType</A> <B><A HREF="#DOC.2.26.48">_ttype</A></B>
<DD><I>tesselation rule, which parts will become solid </I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>bool <B><A HREF="#DOC.2.26.49">_boundaryOnly</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>unsigned int <B><A HREF="#DOC.2.26.50">_numberVerts</A></B>
<DD><I>number of vertices that are part of the 'original' set of contours </I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>osg::Geometry::PrimitiveSetList <B><A HREF="#DOC.2.26.51">_Contours</A></B>
<DD><I>List of primitives that define the contours </I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>unsigned int <B><A HREF="#DOC.2.26.52">_index</A></B>
<DD><I>count number of primitives in a geometry to get right no.</I>
</DL></P>
<P><DL>
<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.23">reduceArray</A></B>(osg::Array* cold, const unsigned int nnu)
<DD><I>remove unused parts of the array, eg for wehn retesselating tesselation can introduce extra vertices for concave or crossing boundaries, these will leak memory if not removed when retesselating.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.24">collectTesselation</A></B>(osg::Geometry &amp;cxgeom)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.26">addContour</A></B>(osg::PrimitiveSet* primitive, osg::Vec3Array* vertices)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.27">handleNewVertices</A></B>(osg::Geometry&amp; geom, <!1><A HREF="Tesselator.html#DOC.2.26.25">VertexPtrToIndexMap</A> &amp;vertexPtrToIndexMap)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.28">begin</A></B>(GLenum mode)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.29">vertex</A></B>(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.26.29">vertex</A>)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.30">combine</A></B>(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.26.29">vertex</A>, void* vertex_data[4], GLfloat weight[4])
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.31">end</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.26.32">error</A></B>(GLenum errorCode)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.26.33">beginCallback</A></B>(GLenum which, void* userData)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.26.34">vertexCallback</A></B>(GLvoid* data, void* userData)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.26.35">combineCallback</A></B>(GLdouble coords[3], void* vertex_data[4], GLfloat weight[4], void** outData, void* useData)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.26.36">endCallback</A></B>(void* userData)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>static void CALLBACK <B><A HREF="#DOC.2.26.37">errorCallback</A></B>(GLenum errorCode, void* userData)
</DL></P>
<P><DL>
<DT><H3>Protected</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::map&lt;osg::Vec3*,unsigned int&gt; <B><A HREF="#DOC.2.26.25">VertexPtrToIndexMap</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt;<!1><A HREF="Tesselator.html#DOC.2.26.39">NewVertex</A>&gt; <B><A HREF="#DOC.2.26.40">NewVertexList</A></B>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt;<!1><A HREF="Tesselator.html#DOC.2.26.38">Vec3d</A>*&gt; <B><A HREF="#DOC.2.26.41">Vec3dList</A></B>
</DL></P>
</DL>
<A NAME="DOC.DOCU"></A>
<HR>
<H2>Documentation</H2>
<BLOCKQUOTE>Originally a simple class for tessellating a single polygon boundary.
Using old style glu tessellation functions for portability.
Upgraded Jan 2004 to use the modern glu tessellation functions.</BLOCKQUOTE>
<DL>
<A NAME="Tesselator"></A>
<A NAME="DOC.2.26.1"></A>
<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.2.26.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ~Tesselator()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="WindingType"></A>
<A NAME="DOC.2.26.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>enum WindingType</B></TT>
<DD>The winding rule, see red book ch 11.
<DL><DT><DD></DL><P><DL>
<A NAME="TESS_WINDING_ODD"></A>
<A NAME="DOC.2.26.3.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_WINDING_ODD</B></TT>
<DL><DT><DD></DL><P>
<A NAME="TESS_WINDING_NONZERO"></A>
<A NAME="DOC.2.26.3.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_WINDING_NONZERO</B></TT>
<DL><DT><DD></DL><P>
<A NAME="TESS_WINDING_POSITIVE"></A>
<A NAME="DOC.2.26.3.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_WINDING_POSITIVE</B></TT>
<DL><DT><DD></DL><P>
<A NAME="TESS_WINDING_NEGATIVE"></A>
<A NAME="DOC.2.26.3.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_WINDING_NEGATIVE</B></TT>
<DL><DT><DD></DL><P>
<A NAME="TESS_WINDING_ABS_GEQ_TWO"></A>
<A NAME="DOC.2.26.3.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_WINDING_ABS_GEQ_TWO</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="TesselationType"></A>
<A NAME="DOC.2.26.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>enum TesselationType</B></TT>
<DD>we interpret all contours in the geometry as a single set to be tesselated or
each separate drawable's contours needs to be tesselated.
<DL><DT><DD></DL><P><DL>
<A NAME="TESS_TYPE_GEOMETRY"></A>
<A NAME="DOC.2.26.4.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_TYPE_GEOMETRY</B></TT>
<DL><DT><DD></DL><P>
<A NAME="TESS_TYPE_DRAWABLE"></A>
<A NAME="DOC.2.26.4.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_TYPE_DRAWABLE</B></TT>
<DL><DT><DD></DL><P>
<A NAME="TESS_TYPE_POLYGONS"></A>
<A NAME="DOC.2.26.4.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> TESS_TYPE_POLYGONS</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="setBoundaryOnly"></A>
<A NAME="DOC.2.26.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setBoundaryOnly(const bool tt)</B></TT>
<DD>Set and get tesselation request boundary only on/off
<DL><DT><DD></DL><P>
<A NAME="getBoundaryOnly"></A>
<A NAME="DOC.2.26.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const bool getBoundaryOnly( )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="setWindingType"></A>
<A NAME="DOC.2.26.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setWindingType(const <!1><A HREF="Tesselator.html#DOC.2.26.3">WindingType</A> wt)</B></TT>
<DD>Set and get tesselation windong rule
<DL><DT><DD></DL><P>
<A NAME="getWindingType"></A>
<A NAME="DOC.2.26.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const <!1><A HREF="Tesselator.html#DOC.2.26.3">WindingType</A> getWindingType( )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="setTesselationType"></A>
<A NAME="DOC.2.26.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setTesselationType(const <!1><A HREF="Tesselator.html#DOC.2.26.4">TesselationType</A> tt)</B></TT>
<DD>Set and get tesselation type
<DL><DT><DD></DL><P>
<A NAME="getTesselationType"></A>
<A NAME="DOC.2.26.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const <!1><A HREF="Tesselator.html#DOC.2.26.4">TesselationType</A> getTesselationType( )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="retesselatePolygons"></A>
<A NAME="DOC.2.26.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void retesselatePolygons(osg::Geometry &amp;cxgeom)</B></TT>
<DD>Change the contours lists of the geometry into tesselated primitives (the
list of primitives in the original geometry is stored in the tesselator for
possible re-use.
The name remains retesselatePolygons although it now handles trifans, strips, quads etc.
as well as Polygons so as to not break old codes relying on this function name.
<DL><DT><DD></DL><P>
<A NAME="getContours"></A>
<A NAME="DOC.2.26.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Geometry::PrimitiveSetList getContours()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="VertexPointList"></A>
<A NAME="DOC.2.26.13"></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>
<A NAME="Prim"></A>
<A NAME="DOC.2.26.14"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>struct Prim: public osg::Referenced</B></TT>
<DL><DT><DD></DL><P><DL>
<A NAME="Prim"></A>
<A NAME="DOC.2.26.14.1"></A>
<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.2.26.14.2"></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>
<A NAME="_mode"></A>
<A NAME="DOC.2.26.14.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLenum _mode</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_vertices"></A>
<A NAME="DOC.2.26.14.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.26.14.2">VecList</A> _vertices</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="beginTesselation"></A>
<A NAME="DOC.2.26.15"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void beginTesselation()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="beginContour"></A>
<A NAME="DOC.2.26.16"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void beginContour()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="addVertex"></A>
<A NAME="DOC.2.26.17"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void addVertex(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.26.29">vertex</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="endContour"></A>
<A NAME="DOC.2.26.18"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void endContour()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="endTesselation"></A>
<A NAME="DOC.2.26.19"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void endTesselation()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="PrimList"></A>
<A NAME="DOC.2.26.20"></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.2.26.14">Prim</A>&gt; &gt; PrimList</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getPrimList"></A>
<A NAME="DOC.2.26.21"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.26.20">PrimList</A>&amp; getPrimList()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="reset"></A>
<A NAME="DOC.2.26.22"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void reset()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="reduceArray"></A>
<A NAME="DOC.2.26.23"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void reduceArray(osg::Array* cold, const unsigned int nnu)</B></TT>
<DD>remove unused parts of the array, eg for wehn retesselating
tesselation can introduce extra vertices for concave or crossing boundaries,
these will leak memory if not removed when retesselating.
<DL><DT><DD></DL><P>
<A NAME="collectTesselation"></A>
<A NAME="DOC.2.26.24"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void collectTesselation(osg::Geometry &amp;cxgeom)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="VertexPtrToIndexMap"></A>
<A NAME="DOC.2.26.25"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::map&lt;osg::Vec3*,unsigned int&gt; VertexPtrToIndexMap</B></TT>
<DL><DT><DD></DL><P>
<A NAME="addContour"></A>
<A NAME="DOC.2.26.26"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void addContour(osg::PrimitiveSet* primitive, osg::Vec3Array* vertices)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="handleNewVertices"></A>
<A NAME="DOC.2.26.27"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void handleNewVertices(osg::Geometry&amp; geom, <!1><A HREF="Tesselator.html#DOC.2.26.25">VertexPtrToIndexMap</A> &amp;vertexPtrToIndexMap)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="begin"></A>
<A NAME="DOC.2.26.28"></A>
<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.2.26.29"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void vertex(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.26.29">vertex</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="combine"></A>
<A NAME="DOC.2.26.30"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void combine(osg::Vec3* <!1><A HREF="Tesselator.html#DOC.2.26.29">vertex</A>, void* vertex_data[4], GLfloat weight[4])</B></TT>
<DL><DT><DD></DL><P>
<A NAME="end"></A>
<A NAME="DOC.2.26.31"></A>
<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.2.26.32"></A>
<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.2.26.33"></A>
<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.2.26.34"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>static void CALLBACK vertexCallback(GLvoid* data, void* userData)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="combineCallback"></A>
<A NAME="DOC.2.26.35"></A>
<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.2.26.36"></A>
<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.2.26.37"></A>
<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.2.26.38"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>struct Vec3d</B></TT>
<DL><DT><DD></DL><P><DL>
<A NAME="_v"></A>
<A NAME="DOC.2.26.38.1"></A>
<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.2.26.39"></A>
<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.2.26.39.1"></A>
<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.2.26.39.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> NewVertex(const <!1><A HREF="Tesselator.html#DOC.2.26.39.2">NewVertex</A>&amp; nv)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="NewVertex"></A>
<A NAME="DOC.2.26.39.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> NewVertex(osg::Vec3* vx, float f1, osg::Vec3* v1, float f2, osg::Vec3* v2, float f3, osg::Vec3* v3, float f4, osg::Vec3* v4)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_vpos"></A>
<A NAME="DOC.2.26.39.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _vpos</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_f1"></A>
<A NAME="DOC.2.26.39.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f1</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_v1"></A>
<A NAME="DOC.2.26.39.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v1</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_f2"></A>
<A NAME="DOC.2.26.39.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f2</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_v2"></A>
<A NAME="DOC.2.26.39.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v2</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_f3"></A>
<A NAME="DOC.2.26.39.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f3</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_v3"></A>
<A NAME="DOC.2.26.39.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v3</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_f4"></A>
<A NAME="DOC.2.26.39.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _f4</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_v4"></A>
<A NAME="DOC.2.26.39.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Vec3* _v4</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="NewVertexList"></A>
<A NAME="DOC.2.26.40"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::vector&lt;<!1><A HREF="Tesselator.html#DOC.2.26.39">NewVertex</A>&gt; NewVertexList</B></TT>
<DL><DT><DD></DL><P>
<A NAME="Vec3dList"></A>
<A NAME="DOC.2.26.41"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::vector&lt;<!1><A HREF="Tesselator.html#DOC.2.26.38">Vec3d</A>*&gt; Vec3dList</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_tobj"></A>
<A NAME="DOC.2.26.42"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLUtesselator* _tobj</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_primList"></A>
<A NAME="DOC.2.26.43"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.26.20">PrimList</A> _primList</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_coordData"></A>
<A NAME="DOC.2.26.44"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.26.41">Vec3dList</A> _coordData</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_newVertexList"></A>
<A NAME="DOC.2.26.45"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.26.40">NewVertexList</A> _newVertexList</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_errorCode"></A>
<A NAME="DOC.2.26.46"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLenum _errorCode</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_wtype"></A>
<A NAME="DOC.2.26.47"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.26.3">WindingType</A> _wtype</B></TT>
<DD>winding rule, which parts will become solid
<DL><DT><DD></DL><P>
<A NAME="_ttype"></A>
<A NAME="DOC.2.26.48"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Tesselator.html#DOC.2.26.4">TesselationType</A> _ttype</B></TT>
<DD>tesselation rule, which parts will become solid
<DL><DT><DD></DL><P>
<A NAME="_boundaryOnly"></A>
<A NAME="DOC.2.26.49"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>bool _boundaryOnly</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_numberVerts"></A>
<A NAME="DOC.2.26.50"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>unsigned int _numberVerts</B></TT>
<DD>number of vertices that are part of the 'original' set of contours
<DL><DT><DD></DL><P>
<A NAME="_Contours"></A>
<A NAME="DOC.2.26.51"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>osg::Geometry::PrimitiveSetList _Contours</B></TT>
<DD>List of primitives that define the contours
<DL><DT><DD></DL><P>
<A NAME="_index"></A>
<A NAME="DOC.2.26.52"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>unsigned int _index</B></TT>
<DD>count number of primitives in a geometry to get right no. of norms/colurs etc for per_primitive attributes.
<DL><DT><DD></DL><P></DL>
<HR><DL><DT><B>This class has no child classes.</B></DL>
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