C++ class MinSG::Extensions::Evaluators::TrianglesEvaluator
TrianglesEvaluator

public

Inheritance Graph

graph BT
	TrianglesEvaluator
	TrianglesEvaluator --> Evaluator
	click TrianglesEvaluator "classMinSG_1_1Evaluators_1_1TrianglesEvaluator"
	click Evaluator "classMinSG_1_1Evaluators_1_1Evaluator"

Description

Evaluator to determine the number of visible triangles. First the visible GeometryNodes are determined and in a second pass every triangle is tested for visibility using OpenGL occlusion queries. The result is the overall number of visible triangles.

Author: Benjamin Eikel

Date: 2009-07-28

Public Functions

	TrianglesEvaluator() This uses always Evaluator::SINGLE_VALUE mode.
	~TrianglesEvaluator()
void	beginMeasure()
void	measure( FrameContext & context, Node & node, const Geometry::Rect & r)
void	endMeasure( FrameContext & context)
const Util::GenericAttributeList *	getResults()

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Documentation

function
MinSG::Evaluators::TrianglesEvaluator::TrianglesEvaluator

public

TrianglesEvaluator(	)

This uses always Evaluator::SINGLE_VALUE mode.

_{Defined in MinSG/Ext/Evaluator/TrianglesEvaluator.h:44}

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function
MinSG::Evaluators::TrianglesEvaluator::~TrianglesEvaluator

public

virtual

~TrianglesEvaluator(	)

_{Defined in MinSG/Ext/Evaluator/TrianglesEvaluator.h:45}

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function
MinSG::Evaluators::TrianglesEvaluator::beginMeasure

public

virtual

void beginMeasure(	)

_{Defined in MinSG/Ext/Evaluator/TrianglesEvaluator.h:48}

---

function
MinSG::Evaluators::TrianglesEvaluator::measure

public

virtual

void measure(	FrameContext &	context,
	Node &	node,
	const Geometry::Rect &	r
)

_{Defined in MinSG/Ext/Evaluator/TrianglesEvaluator.h:49}

---

function
MinSG::Evaluators::TrianglesEvaluator::endMeasure

public

virtual

void endMeasure(	FrameContext &	context )

_{Defined in MinSG/Ext/Evaluator/TrianglesEvaluator.h:50}

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function
MinSG::Evaluators::TrianglesEvaluator::getResults

public

virtual

const Util::GenericAttributeList * getResults(	)

Return the number of visible triangles.

Returns

Value ofnumTrianglesVisible

_{Defined in MinSG/Ext/Evaluator/TrianglesEvaluator.h:57}

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