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osgUtil::Simplifier Class Reference

#include <Simplifier>

Inheritance diagram for osgUtil::Simplifier:
osg::NodeVisitor osg::Object osg::Referenced

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)
 
ContinueSimplificationCallbackgetContinueSimplificationCallback ()
 
const ContinueSimplificationCallbackgetContinueSimplificationCallback () const
 
bool continueSimplification (float nextError, unsigned int numOriginalPrimitives, unsigned int numRemainingPrimitives) const
 
virtual bool continueSimplificationImplementation (float nextError, unsigned int numOriginalPrimitives, unsigned int numRemainingPrimitives) const
 
bool requiresDownSampling () const
 
virtual bool requiresDownSamplingImplementation () const
 
virtual void apply (osg::Geometry &geom)
 
void simplify (osg::Geometry &geometry)
 
void simplify (osg::Geometry &geometry, const IndexList &protectedPoints)
 a list of point indices
 
- 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 NodeVisitorasNodeVisitor () const
 
virtual osgUtil::UpdateVisitorasUpdateVisitor ()
 
virtual const osgUtil::UpdateVisitorasUpdateVisitor () const
 
virtual osgUtil::CullVisitorasCullVisitor ()
 
virtual const osgUtil::CullVisitorasCullVisitor () const
 
virtual osgGA::EventVisitorasEventVisitor ()
 
virtual const osgGA::EventVisitorasEventVisitor () const
 
virtual osgUtil::IntersectionVisitorasIntersectionVisitor ()
 
virtual const osgUtil::IntersectionVisitorasIntersectionVisitor () const
 
virtual osg::CullStackasCullStack ()
 
virtual const osg::CullStackasCullStack () 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 FrameStampgetFrameStamp () 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 setValueMap (ValueMap *ps)
 
ValueMapgetValueMap ()
 
const ValueMapgetValueMap () const
 
ValueMapgetOrCreateValueMap ()
 
void setValueStack (ValueStack *ps)
 
ValueStackgetValueStack ()
 
const ValueStackgetValueStack () const
 
ValueStackgetOrCreateValueStack ()
 
void traverse (Node &node)
 
void pushOntoNodePath (Node *node)
 
void popFromNodePath ()
 
NodePathgetNodePath ()
 
const NodePathgetNodePath () 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 (Node &node)
 
virtual void apply (Geode &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 (AutoTransform &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)
 
DatabaseRequestHandlergetDatabaseRequestHandler ()
 
const DatabaseRequestHandlergetDatabaseRequestHandler () const
 
void setImageRequestHandler (ImageRequestHandler *handler)
 
ImageRequestHandlergetImageRequestHandler ()
 
const ImageRequestHandlergetImageRequestHandler () const
 
- Public Member Functions inherited from osg::Object
 Object ()
 
 Object (bool threadSafeRefUnref)
 
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 
virtual ObjectcloneType () const =0
 
virtual Objectclone (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 NodeasNode ()
 
virtual const NodeasNode () const
 
virtual NodeVisitorasNodeVisitor ()
 
virtual StateSetasStateSet ()
 
virtual const StateSetasStateSet () const
 
virtual StateAttributeasStateAttribute ()
 
virtual const StateAttributeasStateAttribute () const
 
virtual UniformasUniform ()
 
virtual const UniformasUniform () const
 
virtual CameraasCamera ()
 
virtual const CameraasCamera () const
 
virtual DrawableasDrawable ()
 
virtual const DrawableasDrawable () const
 
virtual CallbackasCallback ()
 
virtual const CallbackasCallback () const
 
virtual CallbackObjectasCallbackObject ()
 
virtual const CallbackObjectasCallbackObject () const
 
virtual UserDataContainerasUserDataContainer ()
 
virtual const UserDataContainerasUserDataContainer () const
 
virtual ValueObjectasValueObject ()
 
virtual const ValueObjectasValueObject () const
 
virtual ImageasImage ()
 
virtual const ImageasImage () 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::UserDataContainergetUserDataContainer ()
 
const osg::UserDataContainergetUserDataContainer () const
 
osg::UserDataContainergetOrCreateUserDataContainer ()
 
virtual void setUserData (Referenced *obj)
 
template<class T >
void setUserData (const ref_ptr< T > &ud)
 
virtual ReferencedgetUserData ()
 
virtual const ReferencedgetUserData () 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 &)
 
Referencedoperator= (const Referenced &)
 
bool getThreadSafeRefUnref () const
 
OpenThreads::MutexgetRefMutex () const
 
int ref () const
 
int unref () const
 
int unref_nodelete () const
 
int referenceCount () const
 
ObserverSetgetObserverSet () const
 
ObserverSetgetOrCreateObserverSet () 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
 
osg::ref_ptr< ValueMap_valueMap
 
osg::ref_ptr< ValueStack_valueStack
 
- 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::MutexgetGlobalReferencedMutex ()
 
static void setDeleteHandler (DeleteHandler *handler)
 
static DeleteHandlergetDeleteHandler ()
 
- 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.

Member Typedef Documentation

◆ IndexList

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

Constructor & Destructor Documentation

◆ Simplifier()

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

Member Function Documentation

◆ apply()

virtual void osgUtil::Simplifier::apply ( osg::Geometry geom)
inlinevirtual

Reimplemented from osg::NodeVisitor.

◆ continueSimplification()

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

◆ continueSimplificationImplementation()

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

◆ getContinueSimplificationCallback() [1/2]

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

◆ getContinueSimplificationCallback() [2/2]

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

◆ getDoTriStrip()

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

◆ getMaximumError()

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

◆ getMaximumLength()

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

◆ getSampleRatio()

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

◆ getSmoothing()

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

◆ META_NodeVisitor()

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

◆ requiresDownSampling()

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

◆ requiresDownSamplingImplementation()

virtual bool osgUtil::Simplifier::requiresDownSamplingImplementation ( ) const
inlinevirtual

◆ setContinueSimplificationCallback()

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

◆ setDoTriStrip()

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

◆ setMaximumError()

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

◆ setMaximumLength()

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.

◆ setSmoothing()

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

◆ simplify() [1/2]

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

simply the geometry.

◆ simplify() [2/2]

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

◆ _continueSimplificationCallback

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

◆ _maximumError

double osgUtil::Simplifier::_maximumError
protected

◆ _maximumLength

double osgUtil::Simplifier::_maximumLength
protected

◆ _sampleRatio

double osgUtil::Simplifier::_sampleRatio
protected

◆ _smoothing

bool osgUtil::Simplifier::_smoothing
protected

◆ _triStrip

bool osgUtil::Simplifier::_triStrip
protected

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