---

osgUtil::Tesselator Class Reference

A simple class for tessellating a single polygon boundary. More...

List of all members.

Public Types
typedef std::vector< osg::Vec3 * >	VertexPointList
typedef std::vector< osg::ref_ptr< Prim > >	PrimList
enum	InputBoundaryDirection { CLOCK_WISE, COUNTER_CLOCK_WISE }
Public Methods
	Tesselator ()
	~Tesselator ()
void	beginTesselation ()
void	beginContour ()
void	addVertex (osg::Vec3 *vertex)
void	endContour ()
void	endTesselation ()
PrimList &	getPrimList ()
void	retesselatePolygons (osg::Geometry &geom)
void	reset ()
Protected Types
typedef std::map< osg::Vec3 *, NewVertex >	NewVertexList
typedef std::vector< Vec3d * >	Vec3dList
Protected Methods
void	begin (GLenum mode)
void	vertex (osg::Vec3 *vertex)
void	combine (osg::Vec3 *vertex, void *vertex_data[4], GLfloat weight[4])
void	end ()
void	error (GLenum errorCode)
Static Protected Methods
void CALLBACK	beginCallback (GLenum which, void *userData)
void CALLBACK	vertexCallback (GLvoid *data, void *userData)
void CALLBACK	combineCallback (GLdouble coords[3], void *vertex_data[4], GLfloat weight[4], void **outData, void *useData)
void CALLBACK	endCallback (void *userData)
void CALLBACK	errorCallback (GLenum errorCode, void *userData)
Protected Attributes
GLUtesselator *	_tobj
PrimList	_primList
Vec3dList	_coordData
NewVertexList	_newVertexList
GLenum	_errorCode

---

Detailed Description

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 a small set of code for doing this job better.

---

Member Typedef Documentation

typedef std::map<osg::Vec3*,NewVertex> osgUtil::Tesselator::NewVertexList [protected]

typedef std::vector< osg::ref_ptr<Prim> > osgUtil::Tesselator::PrimList

typedef std::vector<Vec3d*> osgUtil::Tesselator::Vec3dList [protected]

typedef std::vector<osg::Vec3*> osgUtil::Tesselator::VertexPointList

---

Member Enumeration Documentation

enum osgUtil::Tesselator::InputBoundaryDirection

Enumeration values: CLOCK_WISE  COUNTER_CLOCK_WISE

---

Constructor & Destructor Documentation

osgUtil::Tesselator::Tesselator (    )

osgUtil::Tesselator::~Tesselator (    )

---

Member Function Documentation

void osgUtil::Tesselator::addVertex (  osg::Vec3 *    vertex )

void osgUtil::Tesselator::begin (  GLenum    mode )  [protected]

void CALLBACK osgUtil::Tesselator::beginCallback (  GLenum    which, void *    userData )  [static, protected]

void osgUtil::Tesselator::beginContour (    )

void osgUtil::Tesselator::beginTesselation (    )

void osgUtil::Tesselator::combine (  osg::Vec3 *    vertex, void *    vertex_data[4], GLfloat    weight[4] )  [protected]

void CALLBACK osgUtil::Tesselator::combineCallback (  GLdouble    coords[3], void *    vertex_data[4], GLfloat    weight[4], void **    outData, void *    useData )  [static, protected]

void osgUtil::Tesselator::end (    )  [protected]

void CALLBACK osgUtil::Tesselator::endCallback (  void *    userData )  [static, protected]

void osgUtil::Tesselator::endContour (    )

void osgUtil::Tesselator::endTesselation (    )

void osgUtil::Tesselator::error (  GLenum    errorCode )  [protected]

void CALLBACK osgUtil::Tesselator::errorCallback (  GLenum    errorCode, void *    userData )  [static, protected]

PrimList& osgUtil::Tesselator::getPrimList (    )  [inline]

void osgUtil::Tesselator::reset (    )

void osgUtil::Tesselator::retesselatePolygons (  osg::Geometry &    geom )

void osgUtil::Tesselator::vertex (  osg::Vec3 *    vertex )  [protected]

void CALLBACK osgUtil::Tesselator::vertexCallback (  GLvoid *    data, void *    userData )  [static, protected]

---

Member Data Documentation

Vec3dList osgUtil::Tesselator::_coordData [protected]

GLenum osgUtil::Tesselator::_errorCode [protected]

NewVertexList osgUtil::Tesselator::_newVertexList [protected]

PrimList osgUtil::Tesselator::_primList [protected]

GLUtesselator* osgUtil::Tesselator::_tobj [protected]

---

The documentation for this class was generated from the following file:

• Tesselator

---