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osgUtil::DelaunayConstraint Class Reference
Inheritance diagram for osgUtil::DelaunayConstraint:
osg::Geometry osg::Drawable osg::Node osg::Object osg::Referenced

Public Member Functions

 DelaunayConstraint ()
 
void addtriangle (int i1, int i2, int i3)
 
const osg::DrawElementsUInt * getTriangles () const
 
osg::DrawElementsUInt * getTriangles ()
 
osg::Vec3Array * getPoints (const osg::Vec3Array *points)
 
osg::DrawElementsUInt * makeDrawable ()
 
void merge (DelaunayConstraint *dco)
 
void removeVerticesInside (const DelaunayConstraint *dco)
 
float windingNumber (const osg::Vec3 &testpoint) const
 
virtual bool contains (const osg::Vec3 &testpoint) const
 
virtual bool outside (const osg::Vec3 &testpoint) const
 
void handleOverlaps (void)
 
- Public Member Functions inherited from osg::Geometry
 Geometry ()
 
 Geometry (const Geometry &geometry, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 
 META_Node (osg, Geometry)
 
virtual Geometry * asGeometry ()
 
virtual const Geometry * asGeometry () const
 
bool empty () const
 
void setVertexArray (Array *array)
 
Array * getVertexArray ()
 
const Array * getVertexArray () const
 
void setNormalArray (Array *array)
 
void setNormalArray (Array *array, osg::Array::Binding binding)
 
Array * getNormalArray ()
 
const Array * getNormalArray () const
 
void setColorArray (Array *array)
 
void setColorArray (Array *array, osg::Array::Binding binding)
 
Array * getColorArray ()
 
const Array * getColorArray () const
 
void setSecondaryColorArray (Array *array)
 
void setSecondaryColorArray (Array *array, osg::Array::Binding binding)
 
Array * getSecondaryColorArray ()
 
const Array * getSecondaryColorArray () const
 
void setFogCoordArray (Array *array)
 
void setFogCoordArray (Array *array, osg::Array::Binding binding)
 
Array * getFogCoordArray ()
 
const Array * getFogCoordArray () const
 
void setTexCoordArray (unsigned int unit, Array *array)
 
void setTexCoordArray (unsigned int unit, Array *array, osg::Array::Binding binding)
 
Array * getTexCoordArray (unsigned int unit)
 
const Array * getTexCoordArray (unsigned int unit) const
 
unsigned int getNumTexCoordArrays () const
 
void setTexCoordArrayList (const ArrayList &arrrayList)
 
ArrayList & getTexCoordArrayList ()
 
const ArrayList & getTexCoordArrayList () const
 
void setVertexAttribArray (unsigned int index, Array *array)
 
void setVertexAttribArray (unsigned int index, Array *array, osg::Array::Binding binding)
 
Array * getVertexAttribArray (unsigned int index)
 
const Array * getVertexAttribArray (unsigned int index) const
 
unsigned int getNumVertexAttribArrays () const
 
void setVertexAttribArrayList (const ArrayList &arrayList)
 
ArrayList & getVertexAttribArrayList ()
 
const ArrayList & getVertexAttribArrayList () const
 
void setPrimitiveSetList (const PrimitiveSetList &primitives)
 
PrimitiveSetList & getPrimitiveSetList ()
 
const PrimitiveSetList & getPrimitiveSetList () const
 
unsigned int getNumPrimitiveSets () const
 
PrimitiveSet * getPrimitiveSet (unsigned int pos)
 
const PrimitiveSet * getPrimitiveSet (unsigned int pos) const
 
bool addPrimitiveSet (PrimitiveSet *primitiveset)
 
bool setPrimitiveSet (unsigned int i, PrimitiveSet *primitiveset)
 
bool insertPrimitiveSet (unsigned int i, PrimitiveSet *primitiveset)
 
bool removePrimitiveSet (unsigned int i, unsigned int numElementsToRemove=1)
 
unsigned int getPrimitiveSetIndex (const PrimitiveSet *primitiveset) const
 
void configureBufferObjects ()
 
bool containsSharedArrays () const
 
void duplicateSharedArrays ()
 
virtual void setUseVertexBufferObjects (bool flag)
 
virtual void dirtyGLObjects ()
 
virtual void resizeGLObjectBuffers (unsigned int maxSize)
 
virtual void releaseGLObjects (State *state=0) const
 
bool getArrayList (ArrayList &arrayList) const
 
bool getDrawElementsList (DrawElementsList &drawElementsList) const
 
osg::VertexBufferObject * getOrCreateVertexBufferObject ()
 
osg::ElementBufferObject * getOrCreateElementBufferObject ()
 
virtual unsigned int getGLObjectSizeHint () const
 
virtual void compileGLObjects (RenderInfo &renderInfo) const
 
virtual void drawImplementation (RenderInfo &renderInfo) const
 
void drawVertexArraysImplementation (RenderInfo &renderInfo) const
 
void drawPrimitivesImplementation (RenderInfo &renderInfo) const
 
virtual bool supports (const Drawable::AttributeFunctor &) const
 
virtual void accept (Drawable::AttributeFunctor &af)
 
virtual bool supports (const Drawable::ConstAttributeFunctor &) const
 
virtual void accept (Drawable::ConstAttributeFunctor &af) const
 
virtual bool supports (const PrimitiveFunctor &) const
 
virtual void accept (PrimitiveFunctor &pf) const
 
virtual bool supports (const PrimitiveIndexFunctor &) const
 
virtual void accept (PrimitiveIndexFunctor &pf) const
 
bool containsDeprecatedData () const
 
bool checkForDeprecatedData ()
 
void fixDeprecatedData ()
 
void setNormalBinding (AttributeBinding ab)
 
void setColorBinding (AttributeBinding ab)
 
void setSecondaryColorBinding (AttributeBinding ab)
 
void setFogCoordBinding (AttributeBinding ab)
 
void setVertexAttribBinding (unsigned int index, AttributeBinding ab)
 
AttributeBinding getNormalBinding () const
 
AttributeBinding getColorBinding () const
 
AttributeBinding getSecondaryColorBinding () const
 
AttributeBinding getFogCoordBinding () const
 
AttributeBinding getVertexAttribBinding (unsigned int index) const
 
void setVertexAttribNormalize (unsigned int index, GLboolean norm)
 
GLboolean getVertexAttribNormalize (unsigned int index) const
 
- Public Member Functions inherited from osg::Drawable
 Drawable ()
 
 Drawable (const Drawable &drawable, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 
 META_Node (osg, Drawable)
 
virtual Drawable * asDrawable ()
 
virtual const Drawable * asDrawable () const
 
virtual void computeDataVariance ()
 
MatrixList getWorldMatrices (const osg::Node *haltTraversalAtNode=0) const
 
void setInitialBound (const osg::BoundingBox &bbox)
 
const BoundingBox & getInitialBound () const
 
const BoundingSphere & getBound () const
 
const BoundingBox & getBoundingBox () const
 
virtual BoundingSphere computeBound () const
 
virtual BoundingBox computeBoundingBox () const
 
void setComputeBoundingBoxCallback (ComputeBoundingBoxCallback *callback)
 
ComputeBoundingBoxCallback * getComputeBoundingBoxCallback ()
 
const ComputeBoundingBoxCallback * getComputeBoundingBoxCallback () const
 
virtual void setShape (Shape *shape)
 
template<class T >
void setShape (const ref_ptr< T > &shape)
 
Shape * getShape ()
 
const Shape * getShape () const
 
void setSupportsDisplayList (bool flag)
 
bool getSupportsDisplayList () const
 
void setUseDisplayList (bool flag)
 
bool getUseDisplayList () const
 
GLuint & getDisplayList (unsigned int contextID) const
 
virtual void setUseVertexBufferObjects (bool flag)
 
bool getUseVertexBufferObjects () const
 
void setUseVertexArrayObject (bool flag)
 
bool getUseVertexArrayObject () const
 
virtual void dirtyGLObjects ()
 
virtual unsigned int getGLObjectSizeHint () const
 
void draw (RenderInfo &renderInfo) const
 
void drawInner (RenderInfo &renderInfo) const
 
virtual void compileGLObjects (RenderInfo &renderInfo) const
 
void setCreateVertexArrayStateCallback (CreateVertexArrayStateCallback *cb)
 
CreateVertexArrayStateCallback * getCreateVertexArrayStateCallback ()
 
const CreateVertexArrayStateCallback * getCreateVertexArrayStateCallback () const
 
VertexArrayState * createVertexArrayState (RenderInfo &renderInfo) const
 
virtual VertexArrayState * createVertexArrayStateImplementation (RenderInfo &renderInfo) const
 
void setVertexArrayStateList (VertexArrayStateList &vasl)
 
VertexArrayStateList & getVertexArrayStateList ()
 
const VertexArrayStateList & getVertexArrayStateList () const
 
virtual void setThreadSafeRefUnref (bool threadSafe)
 
virtual void resizeGLObjectBuffers (unsigned int maxSize)
 
virtual void releaseGLObjects (State *state=0) const
 
virtual void setDrawCallback (DrawCallback *dc)
 
DrawCallback * getDrawCallback ()
 
const DrawCallback * getDrawCallback () const
 
virtual void drawImplementation (RenderInfo &) const
 
virtual bool supports (const AttributeFunctor &) const
 
virtual void accept (AttributeFunctor &)
 
virtual bool supports (const ConstAttributeFunctor &) const
 
virtual void accept (ConstAttributeFunctor &) const
 
virtual bool supports (const PrimitiveFunctor &) const
 
virtual void accept (PrimitiveFunctor &) const
 
virtual bool supports (const PrimitiveIndexFunctor &) const
 
virtual void accept (PrimitiveIndexFunctor &) const
 
- Public Member Functions inherited from osg::Node
 Node ()
 
 Node (const Node &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 
virtual Object * cloneType () const
 
virtual Object * clone (const CopyOp &copyop) const
 
virtual bool isSameKindAs (const Object *obj) const
 
virtual const char * libraryName () const
 
virtual const char * className () const
 
virtual Node * asNode ()
 
virtual const Node * asNode () const
 
virtual Drawable * asDrawable ()
 
virtual const Drawable * asDrawable () const
 
virtual Geometry * asGeometry ()
 
virtual const Geometry * asGeometry () const
 
virtual Group * asGroup ()
 
virtual const Group * asGroup () const
 
virtual Transform * asTransform ()
 
virtual const Transform * asTransform () const
 
virtual Switch * asSwitch ()
 
virtual const Switch * asSwitch () const
 
virtual Geode * asGeode ()
 
virtual const Geode * asGeode () const
 
virtual osgTerrain::Terrain * asTerrain ()
 
virtual const osgTerrain::Terrain * asTerrain () const
 
virtual void accept (NodeVisitor &nv)
 
virtual void ascend (NodeVisitor &nv)
 
virtual void traverse (NodeVisitor &)
 
const ParentList & getParents () const
 
ParentList getParents ()
 
Group * getParent (unsigned int i)
 
const Group * getParent (unsigned int i) const
 
unsigned int getNumParents () const
 
NodePathList getParentalNodePaths (osg::Node *haltTraversalAtNode=0) const
 
MatrixList getWorldMatrices (const osg::Node *haltTraversalAtNode=0) const
 
void setUpdateCallback (Callback *nc)
 
template<class T >
void setUpdateCallback (const ref_ptr< T > &nc)
 
Callback * getUpdateCallback ()
 
const Callback * getUpdateCallback () const
 
void addUpdateCallback (Callback *nc)
 
template<class T >
void addUpdateCallback (const ref_ptr< T > &nc)
 
void removeUpdateCallback (Callback *nc)
 
template<class T >
void removeUpdateCallback (const ref_ptr< T > &nc)
 
unsigned int getNumChildrenRequiringUpdateTraversal () const
 
void setEventCallback (Callback *nc)
 
template<class T >
void setEventCallback (const ref_ptr< T > &nc)
 
Callback * getEventCallback ()
 
const Callback * getEventCallback () const
 
void addEventCallback (Callback *nc)
 
template<class T >
void addEventCallback (const ref_ptr< T > &nc)
 
void removeEventCallback (Callback *nc)
 
template<class T >
void removeEventCallback (const ref_ptr< T > &nc)
 
unsigned int getNumChildrenRequiringEventTraversal () const
 
void setCullCallback (Callback *nc)
 
template<class T >
void setCullCallback (const ref_ptr< T > &nc)
 
Callback * getCullCallback ()
 
const Callback * getCullCallback () const
 
void addCullCallback (Callback *nc)
 
template<class T >
void addCullCallback (const ref_ptr< T > &nc)
 
void removeCullCallback (Callback *nc)
 
template<class T >
void removeCullCallback (const ref_ptr< T > &nc)
 
void setCullingActive (bool active)
 
bool getCullingActive () const
 
unsigned int getNumChildrenWithCullingDisabled () const
 
bool isCullingActive () const
 
unsigned int getNumChildrenWithOccluderNodes () const
 
bool containsOccluderNodes () const
 
void setNodeMask (NodeMask nm)
 
NodeMask getNodeMask () const
 
void setStateSet (osg::StateSet *stateset)
 
template<class T >
void setStateSet (const osg::ref_ptr< T > &stateset)
 
osg::StateSet * getOrCreateStateSet ()
 
osg::StateSet * getStateSet ()
 
const osg::StateSet * getStateSet () const
 
void setDescriptions (const DescriptionList &descriptions)
 
DescriptionList & getDescriptions ()
 
const DescriptionList & getDescriptions () const
 
const std::string & getDescription (unsigned int i) const
 
std::string & getDescription (unsigned int i)
 
unsigned int getNumDescriptions () const
 
void addDescription (const std::string &desc)
 
void setInitialBound (const osg::BoundingSphere &bsphere)
 
const BoundingSphere & getInitialBound () const
 
void dirtyBound ()
 
const BoundingSphere & getBound () const
 
virtual BoundingSphere computeBound () const
 
void setComputeBoundingSphereCallback (ComputeBoundingSphereCallback *callback)
 
template<class T >
void setComputeBoundingSphereCallback (const ref_ptr< T > &callback)
 
ComputeBoundingSphereCallback * getComputeBoundingSphereCallback ()
 
const ComputeBoundingSphereCallback * getComputeBoundingSphereCallback () const
 
virtual void setThreadSafeRefUnref (bool threadSafe)
 
virtual void resizeGLObjectBuffers (unsigned int)
 
virtual void releaseGLObjects (osg::State *=0) const
 
- Public Member Functions inherited from osg::Object
 Object ()
 
 Object (bool threadSafeRefUnref)
 
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 
virtual Object * cloneType () const =0
 
virtual Object * clone (const CopyOp &) const =0
 
virtual bool isSameKindAs (const Object *) const
 
virtual const char * libraryName () const =0
 
virtual const char * className () const =0
 
std::string getCompoundClassName () const
 
virtual Node * asNode ()
 
virtual const Node * asNode () const
 
virtual NodeVisitor * asNodeVisitor ()
 
virtual const NodeVisitor * asNodeVisitor () const
 
virtual StateSet * asStateSet ()
 
virtual const StateSet * asStateSet () const
 
virtual StateAttribute * asStateAttribute ()
 
virtual const StateAttribute * asStateAttribute () const
 
virtual Uniform * asUniform ()
 
virtual const Uniform * asUniform () const
 
virtual Camera * asCamera ()
 
virtual const Camera * asCamera () const
 
virtual Drawable * asDrawable ()
 
virtual const Drawable * asDrawable () const
 
virtual Callback * asCallback ()
 
virtual const Callback * asCallback () const
 
virtual CallbackObject * asCallbackObject ()
 
virtual const CallbackObject * asCallbackObject () const
 
virtual UserDataContainer * asUserDataContainer ()
 
virtual const UserDataContainer * asUserDataContainer () const
 
virtual ValueObject * asValueObject ()
 
virtual const ValueObject * asValueObject () const
 
virtual Image * asImage ()
 
virtual const Image * asImage () const
 
virtual void setThreadSafeRefUnref (bool threadSafe)
 
virtual void setName (const std::string &name)
 
void setName (const char *name)
 
const std::string & getName () const
 
void setDataVariance (DataVariance dv)
 
DataVariance getDataVariance () const
 
virtual void computeDataVariance ()
 
void setUserDataContainer (osg::UserDataContainer *udc)
 
template<class T >
void setUserDataContainer (const ref_ptr< T > &udc)
 
osg::UserDataContainer * getUserDataContainer ()
 
const osg::UserDataContainer * getUserDataContainer () const
 
osg::UserDataContainer * getOrCreateUserDataContainer ()
 
virtual void setUserData (Referenced *obj)
 
template<class T >
void setUserData (const ref_ptr< T > &ud)
 
virtual Referenced * getUserData ()
 
virtual const Referenced * getUserData () const
 
template<typename T >
bool getUserValue (const std::string &name, T &value) const
 
template<typename T >
void setUserValue (const std::string &name, const T &value)
 
virtual void resizeGLObjectBuffers (unsigned int)
 
virtual void releaseGLObjects (osg::State *=0) const
 
template<typename T >
BoolValueObject UCharValueObject UShortValueObject UIntValueObject DoubleValueObject Vec3fValueObject Vec2dValueObject Vec4dValueObject PlaneValueObject MatrixdValueObject BoundingBoxdValueObject BoundingSpheredValueObject bool getUserValue (const std::string &name, T &value) const
 
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 
 Referenced (bool threadSafeRefUnref)
 
 Referenced (const Referenced &)
 
Referenced & operator= (const Referenced &)
 
virtual void setThreadSafeRefUnref (bool)
 
bool getThreadSafeRefUnref () const
 
OpenThreads::Mutex * getRefMutex () const
 
int ref () const
 
int unref () const
 
int unref_nodelete () const
 
int referenceCount () const
 
ObserverSet * getObserverSet () const
 
ObserverSet * getOrCreateObserverSet () const
 
void addObserver (Observer *observer) const
 
void removeObserver (Observer *observer) const
 

Protected Types

typedef std::vector< int * > trilist
 
- Protected Types inherited from osg::Drawable
typedef osg::buffered_value< GLuint > GLObjectList
 

Protected Member Functions

virtual ~DelaunayConstraint ()
 
- Protected Member Functions inherited from osg::Geometry
Geometry & operator= (const Geometry &)
 
virtual ~Geometry ()
 
void addVertexBufferObjectIfRequired (osg::Array *array)
 
void addElementBufferObjectIfRequired (osg::PrimitiveSet *primitiveSet)
 
virtual VertexArrayState * createVertexArrayStateImplementation (RenderInfo &renderInfo) const
 
- Protected Member Functions inherited from osg::Drawable
Drawable & operator= (const Drawable &)
 
virtual ~Drawable ()
 
void setBound (const BoundingBox &bb) const
 
- Protected Member Functions inherited from osg::Node
virtual ~Node ()
 
void addParent (osg::Group *parent)
 
void removeParent (osg::Group *parent)
 
void setNumChildrenRequiringUpdateTraversal (unsigned int num)
 
void setNumChildrenRequiringEventTraversal (unsigned int num)
 
void setNumChildrenWithCullingDisabled (unsigned int num)
 
void setNumChildrenWithOccluderNodes (unsigned int num)
 
- Protected Member Functions inherited from osg::Object
virtual ~Object ()
 
- Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
 
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
 
void deleteUsingDeleteHandler () const
 

Protected Attributes

trilist _interiorTris
 
osg::ref_ptr< osg::DrawElementsUInt > prim_tris_
 
- Protected Attributes inherited from osg::Geometry
PrimitiveSetList _primitives
 
osg::ref_ptr< Array > _vertexArray
 
osg::ref_ptr< Array > _normalArray
 
osg::ref_ptr< Array > _colorArray
 
osg::ref_ptr< Array > _secondaryColorArray
 
osg::ref_ptr< Array > _fogCoordArray
 
ArrayList _texCoordList
 
ArrayList _vertexAttribList
 
bool _containsDeprecatedData
 
- Protected Attributes inherited from osg::Drawable
BoundingBox _initialBoundingBox
 
ref_ptr< ComputeBoundingBoxCallback > _computeBoundingBoxCallback
 
BoundingBox _boundingBox
 
ref_ptr< Shape > _shape
 
bool _supportsDisplayList
 
bool _useDisplayList
 
bool _supportsVertexBufferObjects
 
bool _useVertexBufferObjects
 
bool _useVertexArrayObject
 
GLObjectList _globjList
 
VertexArrayStateList _vertexArrayStateList
 
ref_ptr< DrawCallback > _drawCallback
 
ref_ptr< CreateVertexArrayStateCallback > _createVertexArrayStateCallback
 
- Protected Attributes inherited from osg::Node
BoundingSphere _initialBound
 
ref_ptr< ComputeBoundingSphereCallback > _computeBoundCallback
 
BoundingSphere _boundingSphere
 
bool _boundingSphereComputed
 
ParentList _parents
 
ref_ptr< Callback > _updateCallback
 
unsigned int _numChildrenRequiringUpdateTraversal
 
ref_ptr< Callback > _eventCallback
 
unsigned int _numChildrenRequiringEventTraversal
 
ref_ptr< Callback > _cullCallback
 
bool _cullingActive
 
unsigned int _numChildrenWithCullingDisabled
 
unsigned int _numChildrenWithOccluderNodes
 
NodeMask _nodeMask
 
ref_ptr< StateSet > _stateset
 
- Protected Attributes inherited from osg::Object
std::string _name
 
DataVariance _dataVariance
 
osg::UserDataContainer * _userDataContainer
 
- Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
 
OpenThreads::Atomic _refCount
 

Additional Inherited Members

- Public Types inherited from osg::Geometry
enum  AttributeBinding { BIND_OFF =0 , BIND_OVERALL =1 , BIND_PER_PRIMITIVE_SET =2 , BIND_PER_VERTEX =4 }
 
typedef std::vector< osg::ref_ptr< osg::Array > > ArrayList
 
typedef std::vector< ref_ptr< PrimitiveSet > > PrimitiveSetList
 
typedef std::vector< osg::DrawElements * > DrawElementsList
 
- Public Types inherited from osg::Drawable
enum  AttributeTypes {
  VERTICES = 0 , WEIGHTS = 1 , NORMALS = 2 , COLORS = 3 ,
  SECONDARY_COLORS = 4 , FOG_COORDS = 5 , ATTRIBUTE_6 = 6 , ATTRIBUTE_7 = 7 ,
  TEXTURE_COORDS = 8 , TEXTURE_COORDS_0 = TEXTURE_COORDS , TEXTURE_COORDS_1 = TEXTURE_COORDS_0+1 , TEXTURE_COORDS_2 = TEXTURE_COORDS_0+2 ,
  TEXTURE_COORDS_3 = TEXTURE_COORDS_0+3 , TEXTURE_COORDS_4 = TEXTURE_COORDS_0+4 , TEXTURE_COORDS_5 = TEXTURE_COORDS_0+5 , TEXTURE_COORDS_6 = TEXTURE_COORDS_0+6 ,
  TEXTURE_COORDS_7 = TEXTURE_COORDS_0+7
}
 
typedef DrawableUpdateCallback UpdateCallback
 
typedef DrawableEventCallback EventCallback
 
typedef DrawableCullCallback CullCallback
 
typedef unsigned int AttributeType
 
- Public Types inherited from osg::Node
typedef std::vector< Group * > ParentList
 
typedef unsigned int NodeMask
 
typedef std::vector< std::string > DescriptionList
 
- Public Types inherited from osg::Object
enum  DataVariance { DYNAMIC , STATIC , UNSPECIFIED }
 
- Static Public Member Functions inherited from osg::Drawable
static GLuint generateDisplayList (unsigned int contextID, unsigned int sizeHint=0)
 
static void deleteDisplayList (unsigned int contextID, GLuint globj, unsigned int sizeHint=0)
 
static void setMinimumNumberOfDisplayListsToRetainInCache (unsigned int minimum)
 
static unsigned int getMinimumNumberOfDisplayListsToRetainInCache ()
 
- Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex * getGlobalReferencedMutex ()
 
static void setDeleteHandler (DeleteHandler *handler)
 
static DeleteHandler * getDeleteHandler ()
 

Detailed Description

DelaunayTriangulator: Utility class that triangulates an irregular network of sample points. Just create a DelaunayTriangulator, assign it the sample point array and call its triangulate() method to start the triangulation. Then you can obtain the generated primitive by calling the getTriangles() method.

Add DelaunayConstraints (or derived class) to control the triangulation edges.

Member Typedef Documentation

◆ trilist

typedef std::vector< int* > osgUtil::DelaunayConstraint::trilist
protected

Constructor & Destructor Documentation

◆ DelaunayConstraint()

osgUtil::DelaunayConstraint::DelaunayConstraint ( )
inline

◆ ~DelaunayConstraint()

virtual osgUtil::DelaunayConstraint::~DelaunayConstraint ( )
protectedvirtual

Member Function Documentation

◆ addtriangle()

void osgUtil::DelaunayConstraint::addtriangle ( int  i1,
int  i2,
int  i3 
)

Each primitiveset is a list of vertices which may be closed by joining up to its start to make a loop. Constraints should be simple lines, not crossing themselves. Constraints which cross other constraints can cause difficulties - see the example for methods of dealing with them. collect up indices of triangle from delaunay triangles. The delaunay triangles inside the DelaunayConstraint area can be used to fill the area or generate geometry that terrain follows the area in some way. These triangles can form a canopy or a field.

◆ contains()

virtual bool osgUtil::DelaunayConstraint::contains ( const osg::Vec3 &  testpoint) const
virtual

true if testpoint is internal (or external) to constraint.

◆ getPoints()

osg::Vec3Array * osgUtil::DelaunayConstraint::getPoints ( const osg::Vec3Array *  points)

Call BEFORE makeDrawable to reorder points to make optimised set

◆ getTriangles() [1/2]

osg::DrawElementsUInt * osgUtil::DelaunayConstraint::getTriangles ( )
inline

◆ getTriangles() [2/2]

const osg::DrawElementsUInt * osgUtil::DelaunayConstraint::getTriangles ( ) const
inline

Get the filling primitive. One: triangulate must have bneen called and two: triangle list is filled when DelaunayTriangulator::removeInternalTriangles is called. These return the triangles removed from the delaunay triangulation by DelaunayTriangulator::removeInternalTriangles.

◆ handleOverlaps()

void osgUtil::DelaunayConstraint::handleOverlaps ( void  )

Tessellate the constraint loops so that the crossing points are interpolated and added to the constraints for the triangulation.

◆ makeDrawable()

osg::DrawElementsUInt * osgUtil::DelaunayConstraint::makeDrawable ( )

converts simple list of triangles into a drawarray.

◆ merge()

void osgUtil::DelaunayConstraint::merge ( DelaunayConstraint *  dco)

Add vertices and constraint loops from dco Can be used to generate extra vertices where dco crosses 'this' using osgUtil::Tessellator to insert overlap vertices.

◆ outside()

virtual bool osgUtil::DelaunayConstraint::outside ( const osg::Vec3 &  testpoint) const
virtual

◆ removeVerticesInside()

void osgUtil::DelaunayConstraint::removeVerticesInside ( const DelaunayConstraint *  dco)

remove from line the vertices that are inside dco

◆ windingNumber()

float osgUtil::DelaunayConstraint::windingNumber ( const osg::Vec3 &  testpoint) const

return winding number as a float of loop around testpoint; may use multiple loops does not reject points on the edge or very very close to the edge

Member Data Documentation

◆ _interiorTris

trilist osgUtil::DelaunayConstraint::_interiorTris
protected

◆ prim_tris_

osg::ref_ptr<osg::DrawElementsUInt> osgUtil::DelaunayConstraint::prim_tris_
protected

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