class OSGUTIL_EXPORT osgUtil::Tesselator

A simple class for tessellating a single polygon boundary.

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()

Public Members

enum InputBoundaryDirection

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

struct Prim: public osg::Referenced

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

Protected Fields

GLUtesselator* _tobj

PrimList _primList

Vec3dList _coordData

NewVertexList _newVertexList

GLenum _errorCode

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 void CALLBACK beginCallback(GLenum which, void* userData)

static void CALLBACK vertexCallback(GLvoid* data, void* userData)

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

static void CALLBACK endCallback(void* userData)

static void CALLBACK errorCallback(GLenum errorCode, void* userData)

Protected Members

struct Vec3d

struct NewVertex

typedef std::map<osg::Vec3*,NewVertex> NewVertexList

typedef std::vector<Vec3d*> Vec3dList

Documentation

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.

Tesselator()

~Tesselator()

enum InputBoundaryDirection

CLOCK_WISE

COUNTER_CLOCK_WISE

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

struct Prim: public osg::Referenced

Prim(GLenum mode)

typedef std::vector<osg::Vec3*> VecList

GLenum _mode

VecList _vertices

void beginTesselation()

void beginContour()

void addVertex(osg::Vec3* vertex)

void endContour()

void endTesselation()

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

PrimList& getPrimList()

void retesselatePolygons(osg::Geometry& geom)

void reset()

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 void CALLBACK beginCallback(GLenum which, void* userData)

static void CALLBACK vertexCallback(GLvoid* data, void* userData)

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

static void CALLBACK endCallback(void* userData)

static void CALLBACK errorCallback(GLenum errorCode, void* userData)

struct Vec3d

double _v[3]

struct NewVertex

NewVertex()

NewVertex(const NewVertex& nv)

NewVertex(float f1, osg::Vec3* v1, float f2, osg::Vec3* v2, float f3, osg::Vec3* v3, float f4, osg::Vec3* v4)

float _f1

osg::Vec3* _v1

float _f2

osg::Vec3* _v2

float _f3

osg::Vec3* _v3

float _f4

osg::Vec3* _v4

typedef std::map<osg::Vec3*,NewVertex> NewVertexList

typedef std::vector<Vec3d*> Vec3dList

GLUtesselator* _tobj

PrimList _primList

Vec3dList _coordData

NewVertexList _newVertexList

GLenum _errorCode

This class has no child classes.

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