osgUtil::Simplifier Class Reference

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

Inheritance diagram for osgUtil::Simplifier:

[legend]

List of all members.

Public Types
typedef std::vector < unsigned int >	IndexList
Public Member Functions
	Simplifier (float sampleRatio=1.0f, float maximumError=FLT_MAX, float maximumLength=0.0)
void	setSampleRatio (float sampleRatio)
float	getSampleRatio () const
void	setMaximumError (float error)
	Set the maximum point error that all point removals must be less than to permit removal of a point.
float	getMaximumError () const
void	setMaximumLength (float length)
	Set the maximum length target that all edges must be shorted than.
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)
	simply the geometry.
void	simplify (osg::Geometry &geometry, const IndexList &protectedPoints)
	a list of point indices
Protected Attributes
float	_sampleRatio
float	_maximumError
float	_maximumLength
bool	_triStrip
bool	_smoothing
osg::ref_ptr < ContinueSimplificationCallback >	_continueSimplificationCallback
Classes
class	ContinueSimplificationCallback

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Detailed Description

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

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Member Typedef Documentation

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

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Constructor & Destructor Documentation

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

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Member Function Documentation

void osgUtil::Simplifier::setSampleRatio

(

float

sampleRatio

)

[inline]

float osgUtil::Simplifier::getSampleRatio

(

)

const [inline]

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

float osgUtil::Simplifier::getMaximumError

(

)

const [inline]

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.

float osgUtil::Simplifier::getMaximumLength

(

)

const [inline]

void osgUtil::Simplifier::setDoTriStrip

(

bool

on

)

[inline]

bool osgUtil::Simplifier::getDoTriStrip

(

)

const [inline]

void osgUtil::Simplifier::setSmoothing

(

bool

on

)

[inline]

bool osgUtil::Simplifier::getSmoothing

(

)

const [inline]

void osgUtil::Simplifier::setContinueSimplificationCallback

(

ContinueSimplificationCallback *

cb

)

[inline]

ContinueSimplificationCallback* osgUtil::Simplifier::getContinueSimplificationCallback

(

)

[inline]

const ContinueSimplificationCallback* osgUtil::Simplifier::getContinueSimplificationCallback

(

)

const [inline]

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

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

virtual void osgUtil::Simplifier::apply

(

osg::Geode &

geode

)

[inline, virtual]

Reimplemented from osg::NodeVisitor.

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.

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Member Data Documentation

float osgUtil::Simplifier::_sampleRatio [protected]

float osgUtil::Simplifier::_maximumError [protected]

float osgUtil::Simplifier::_maximumLength [protected]

bool osgUtil::Simplifier::_triStrip [protected]

bool osgUtil::Simplifier::_smoothing [protected]

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

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

• Simplifier

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