#include <Simplifier>

Inheritance diagram for osgUtil::Simplifier:

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
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 NodeVisitor *	asNodeVisitor () const
virtual osgUtil::UpdateVisitor *	asUpdateVisitor ()
virtual const osgUtil::UpdateVisitor *	asUpdateVisitor () const
virtual osgUtil::CullVisitor *	asCullVisitor ()
virtual const osgUtil::CullVisitor *	asCullVisitor () const
virtual osgGA::EventVisitor *	asEventVisitor ()
virtual const osgGA::EventVisitor *	asEventVisitor () const
virtual osgUtil::IntersectionVisitor *	asIntersectionVisitor ()
virtual const osgUtil::IntersectionVisitor *	asIntersectionVisitor () const
virtual osg::CullStack *	asCullStack ()
virtual const osg::CullStack *	asCullStack () 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	setValueMap (ValueMap *ps)
ValueMap *	getValueMap ()
const ValueMap *	getValueMap () const
ValueMap *	getOrCreateValueMap ()
void	setValueStack (ValueStack *ps)
ValueStack *	getValueStack ()
const ValueStack *	getValueStack () const
ValueStack *	getOrCreateValueStack ()
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 (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)
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 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 &)
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
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::Mutex *	getGlobalReferencedMutex ()
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.

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 )

Referenced by osgUtil::Simplifier::ContinueSimplificationCallback::continueSimplification(), META_NodeVisitor(), and osgUtil::Simplifier::ContinueSimplificationCallback::requiresDownSampling().

Member Function Documentation

◆ apply()

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

inlinevirtual

Reimplemented from osg::NodeVisitor.

References simplify().

◆ continueSimplification()

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

inline

References _continueSimplificationCallback, and continueSimplificationImplementation().

◆ continueSimplificationImplementation()

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

inlinevirtual

References getMaximumError(), getMaximumLength(), and getSampleRatio().

Referenced by continueSimplification(), and osgUtil::Simplifier::ContinueSimplificationCallback::continueSimplification().

◆ getContinueSimplificationCallback() [1/2]

ContinueSimplificationCallback * osgUtil::Simplifier::getContinueSimplificationCallback ( )

inline

References _continueSimplificationCallback.

◆ getContinueSimplificationCallback() [2/2]

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

inline

References _continueSimplificationCallback.

◆ getDoTriStrip()

bool osgUtil::Simplifier::getDoTriStrip ( ) const

inline

References _triStrip.

◆ getMaximumError()

float osgUtil::Simplifier::getMaximumError ( ) const

inline

References _maximumError.

Referenced by continueSimplificationImplementation().

◆ getMaximumLength()

float osgUtil::Simplifier::getMaximumLength ( ) const

inline

References _maximumLength.

Referenced by continueSimplificationImplementation().

◆ getSampleRatio()

float osgUtil::Simplifier::getSampleRatio ( ) const

inline

References _sampleRatio.

Referenced by continueSimplificationImplementation(), and requiresDownSamplingImplementation().

◆ getSmoothing()

bool osgUtil::Simplifier::getSmoothing ( ) const

inline

References _smoothing.

◆ META_NodeVisitor()

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

inline

References _sampleRatio, and Simplifier().

◆ requiresDownSampling()

bool osgUtil::Simplifier::requiresDownSampling ( ) const

inline

References _continueSimplificationCallback, and requiresDownSamplingImplementation().

◆ requiresDownSamplingImplementation()

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

inlinevirtual

References getSampleRatio().

Referenced by osgUtil::Simplifier::ContinueSimplificationCallback::requiresDownSampling(), and requiresDownSampling().

◆ setContinueSimplificationCallback()

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

inline

References _continueSimplificationCallback.

◆ setDoTriStrip()

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

inline

References _triStrip.

◆ 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

References _maximumError.

◆ 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.

References _maximumLength.

◆ setSmoothing()

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

inline

References _smoothing.

◆ simplify() [1/2]

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

simply the geometry.

Referenced by apply().

◆ 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

Referenced by continueSimplification(), getContinueSimplificationCallback(), getContinueSimplificationCallback(), requiresDownSampling(), and setContinueSimplificationCallback().

◆ _maximumError

double osgUtil::Simplifier::_maximumError

protected

Referenced by getMaximumError(), and setMaximumError().

◆ _maximumLength

double osgUtil::Simplifier::_maximumLength

protected

Referenced by getMaximumLength(), and setMaximumLength().

◆ _sampleRatio

double osgUtil::Simplifier::_sampleRatio

protected

Referenced by getSampleRatio(), and META_NodeVisitor().

◆ _smoothing

bool osgUtil::Simplifier::_smoothing

protected

Referenced by getSmoothing(), and setSmoothing().

◆ _triStrip

bool osgUtil::Simplifier::_triStrip

protected

Referenced by getDoTriStrip(), and setDoTriStrip().

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

Simplifier

Classes

Public Types

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ IndexList

Constructor & Destructor Documentation

◆ Simplifier()

Member Function Documentation

◆ apply()

◆ continueSimplification()

◆ continueSimplificationImplementation()

◆ getContinueSimplificationCallback() [1/2]

◆ getContinueSimplificationCallback() [2/2]

◆ getDoTriStrip()

◆ getMaximumError()

◆ getMaximumLength()

◆ getSampleRatio()

◆ getSmoothing()

◆ META_NodeVisitor()

◆ requiresDownSampling()

◆ requiresDownSamplingImplementation()

◆ setContinueSimplificationCallback()

◆ setDoTriStrip()

◆ setMaximumError()

◆ setMaximumLength()

◆ setSmoothing()

◆ simplify() [1/2]

◆ simplify() [2/2]

Member Data Documentation

◆ _continueSimplificationCallback

◆ _maximumError

◆ _maximumLength

◆ _sampleRatio

◆ _smoothing

◆ _triStrip