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osgUtil::Simplifier Class Reference

#include <Simplifier.h>

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Classes

class  ContinueSimplificationCallback
 

Public Types

typedef std::vector< unsigned int > IndexList
 
- Public Types inherited from osg::NodeVisitor
enum  TraversalMode { TRAVERSE_NONE, TRAVERSE_PARENTS, TRAVERSE_ALL_CHILDREN, TRAVERSE_ACTIVE_CHILDREN }
 
enum  VisitorType {
  NODE_VISITOR = 0, UPDATE_VISITOR, EVENT_VISITOR, COLLECT_OCCLUDER_VISITOR,
  CULL_VISITOR, INTERSECTION_VISITOR
}
 
- Public Types inherited from osg::Object
enum  DataVariance { DYNAMIC, STATIC, UNSPECIFIED }
 

Public Member Functions

 Simplifier (double sampleRatio=1.0, double maximumError=FLT_MAX, double maximumLength=0.0)
 
 META_NodeVisitor (osgUtil, Simplifier) void setSampleRatio(float sampleRatio)
 
float getSampleRatio () const
 
void setMaximumError (float error)
 
float getMaximumError () const
 
void setMaximumLength (float length)
 
float getMaximumLength () const
 
void setDoTriStrip (bool on)
 
bool getDoTriStrip () const
 
void setSmoothing (bool on)
 
bool getSmoothing () const
 
void setContinueSimplificationCallback (ContinueSimplificationCallback *cb)
 
ContinueSimplificationCallback * getContinueSimplificationCallback ()
 
const
ContinueSimplificationCallback * 		getContinueSimplificationCallback () const
 
bool continueSimplification (float nextError, unsigned int numOriginalPrimitives, unsigned int numRemainingPrimitives) const
 
virtual bool continueSimplificationImplementation (float nextError, unsigned int numOriginalPrimitives, unsigned int numRemainingPrimitives) const
 
virtual void apply (osg::Geode &geode)
 
void simplify (osg::Geometry &geometry)
 
void simplify (osg::Geometry &geometry, const IndexList &protectedPoints)
 a list of point indices More...
 
- Public Member Functions inherited from osg::NodeVisitor
 NodeVisitor (TraversalMode tm=TRAVERSE_NONE)
 
 NodeVisitor (VisitorType type, TraversalMode tm=TRAVERSE_NONE)
 
 NodeVisitor (const NodeVisitor &nv, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
 
virtual ~NodeVisitor ()
 
 META_Object (osg, NodeVisitor) virtual NodeVisitor *asNodeVisitor()
 
virtual const NodeVisitor * asNodeVisitor () const
 
virtual void reset ()
 
void setVisitorType (VisitorType type)
 
VisitorType getVisitorType () const
 
void setTraversalNumber (unsigned int fn)
 
unsigned int getTraversalNumber () const
 
void setFrameStamp (FrameStamp *fs)
 
const FrameStamp * getFrameStamp () const
 
void setTraversalMask (Node::NodeMask mask)
 
Node::NodeMask getTraversalMask () const
 
void setNodeMaskOverride (Node::NodeMask mask)
 
Node::NodeMask getNodeMaskOverride () const
 
bool validNodeMask (const osg::Node &node) const
 
void setTraversalMode (TraversalMode mode)
 
TraversalMode getTraversalMode () const
 
void traverse (Node &node)
 
void pushOntoNodePath (Node *node)
 
void popFromNodePath ()
 
NodePath & getNodePath ()
 
const NodePath & getNodePath () const
 
virtual osg::Vec3 getEyePoint () const
 
virtual osg::Vec3 getViewPoint () const
 
virtual float getDistanceToEyePoint (const Vec3 &, bool) const
 
virtual float getDistanceFromEyePoint (const Vec3 &, bool) const
 
virtual float getDistanceToViewPoint (const Vec3 &, bool) const
 
virtual void apply (Drawable &drawable)
 
virtual void apply (Geometry &geometry)
 
virtual void apply (Node &node)
 
virtual void apply (Billboard &node)
 
virtual void apply (Group &node)
 
virtual void apply (ProxyNode &node)
 
virtual void apply (Projection &node)
 
virtual void apply (CoordinateSystemNode &node)
 
virtual void apply (ClipNode &node)
 
virtual void apply (TexGenNode &node)
 
virtual void apply (LightSource &node)
 
virtual void apply (Transform &node)
 
virtual void apply (Camera &node)
 
virtual void apply (CameraView &node)
 
virtual void apply (MatrixTransform &node)
 
virtual void apply (PositionAttitudeTransform &node)
 
virtual void apply (Switch &node)
 
virtual void apply (Sequence &node)
 
virtual void apply (LOD &node)
 
virtual void apply (PagedLOD &node)
 
virtual void apply (ClearNode &node)
 
virtual void apply (OccluderNode &node)
 
virtual void apply (OcclusionQueryNode &node)
 
void setDatabaseRequestHandler (DatabaseRequestHandler *handler)
 
DatabaseRequestHandler * getDatabaseRequestHandler ()
 
const DatabaseRequestHandler * getDatabaseRequestHandler () const
 
void setImageRequestHandler (ImageRequestHandler *handler)
 
ImageRequestHandler * getImageRequestHandler ()
 
const ImageRequestHandler * getImageRequestHandler () 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 StateAttribute * asStateAttribute ()
 
virtual const StateAttribute * asStateAttribute () const
 
virtual Uniform * asUniform ()
 
virtual const Uniform * asUniform () 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)
 
osg::UserDataContainer * getUserDataContainer ()
 
const osg::UserDataContainer * getUserDataContainer () const
 
osg::UserDataContainer * getOrCreateUserDataContainer ()
 
virtual void setUserData (Referenced *obj)
 
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 &)
 
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 Attributes

double _sampleRatio
 
double _maximumError
 
double _maximumLength
 
bool _triStrip
 
bool _smoothing
 
osg::ref_ptr
< ContinueSimplificationCallback > 		_continueSimplificationCallback
 
- Protected Attributes inherited from osg::NodeVisitor
VisitorType _visitorType
 
unsigned int _traversalNumber
 
ref_ptr< FrameStamp > _frameStamp
 
TraversalMode _traversalMode
 
Node::NodeMask _traversalMask
 
Node::NodeMask _nodeMaskOverride
 
NodePath _nodePath
 
ref_ptr< DatabaseRequestHandler > _databaseRequestHandler
 
ref_ptr< ImageRequestHandler > _imageRequestHandler
 
- 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

- Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex * getGlobalReferencedMutex ()
 
static void setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
 
static bool getThreadSafeReferenceCounting ()
 
static void setDeleteHandler (DeleteHandler *handler)
 
static DeleteHandler * getDeleteHandler ()
 
- 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
 

Detailed Description

A simplifier for reducing the number of traingles in osg::Geometry.

Definition at line 27 of file Simplifier.h.

Member Typedef Documentation

typedef std::vector<unsigned int> osgUtil::Simplifier::IndexList

Definition at line 100 of file Simplifier.h.

Constructor & Destructor Documentation

osgUtil::Simplifier::Simplifier ( double  sampleRatio = 1.0,
double  maximumError = FLT_MAX,
double  maximumLength = 0.0 
)

Member Function Documentation

virtual void osgUtil::Simplifier::apply ( osg::Geode &  geode)
inlinevirtual

Reimplemented from osg::NodeVisitor.

Definition at line 85 of file Simplifier.h.

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bool osgUtil::Simplifier::continueSimplification ( float  nextError,
unsigned int  numOriginalPrimitives,
unsigned int  numRemainingPrimitives 
) const
inline

Definition at line 72 of file Simplifier.h.

virtual bool osgUtil::Simplifier::continueSimplificationImplementation ( float  nextError,
unsigned int  numOriginalPrimitives,
unsigned int  numRemainingPrimitives 
) const
inlinevirtual

Definition at line 78 of file Simplifier.h.

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ContinueSimplificationCallback* osgUtil::Simplifier::getContinueSimplificationCallback ( )
inline

Definition at line 68 of file Simplifier.h.

const ContinueSimplificationCallback* osgUtil::Simplifier::getContinueSimplificationCallback ( ) const
inline

Definition at line 69 of file Simplifier.h.

bool osgUtil::Simplifier::getDoTriStrip ( ) const
inline

Definition at line 49 of file Simplifier.h.

float osgUtil::Simplifier::getMaximumError ( ) const
inline

Definition at line 41 of file Simplifier.h.

float osgUtil::Simplifier::getMaximumLength ( ) const
inline

Definition at line 46 of file Simplifier.h.

float osgUtil::Simplifier::getSampleRatio ( ) const
inline

Definition at line 36 of file Simplifier.h.

bool osgUtil::Simplifier::getSmoothing ( ) const
inline

Definition at line 52 of file Simplifier.h.

osgUtil::Simplifier::META_NodeVisitor ( osgUtil  ,
Simplifier   
)
inline

Definition at line 33 of file Simplifier.h.

void osgUtil::Simplifier::setContinueSimplificationCallback ( ContinueSimplificationCallback *  cb)
inline

Definition at line 67 of file Simplifier.h.

void osgUtil::Simplifier::setDoTriStrip ( bool  on)
inline

Definition at line 48 of file Simplifier.h.

void osgUtil::Simplifier::setMaximumError ( float  error)
inline

Set the maximum point error that all point removals must be less than to permit removal of a point. Note, Only used when down sampling. i.e. sampleRatio < 1.0

Definition at line 40 of file Simplifier.h.

void osgUtil::Simplifier::setMaximumLength ( float  length)
inline

Set the maximum length target that all edges must be shorted than. Note, Only used when up sampling i.e. sampleRatio > 1.0.

Definition at line 45 of file Simplifier.h.

void osgUtil::Simplifier::setSmoothing ( bool  on)
inline

Definition at line 51 of file Simplifier.h.

void osgUtil::Simplifier::simplify ( osg::Geometry &  geometry)

simply the geometry.

void osgUtil::Simplifier::simplify ( osg::Geometry &  geometry,
const IndexList &  protectedPoints 
)

a list of point indices

simply the geometry, whilst protecting key points from being modified.

Member Data Documentation

osg::ref_ptr<ContinueSimplificationCallback> osgUtil::Simplifier::_continueSimplificationCallback
protected

Definition at line 114 of file Simplifier.h.

double osgUtil::Simplifier::_maximumError
protected

Definition at line 109 of file Simplifier.h.

double osgUtil::Simplifier::_maximumLength
protected

Definition at line 110 of file Simplifier.h.

double osgUtil::Simplifier::_sampleRatio
protected

Definition at line 108 of file Simplifier.h.

bool osgUtil::Simplifier::_smoothing
protected

Definition at line 112 of file Simplifier.h.

bool osgUtil::Simplifier::_triStrip
protected

Definition at line 111 of file Simplifier.h.

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