iso::geom::LineTools Class Reference

#include <iso_geom_line_tools.h>

Collaboration diagram for iso::geom::LineTools:

[legend]List of all members.

Public Member Functions
void	closestPoint (const math::Vector< real > &pSP, const math::Vector< real > &pV1, const math::Vector< real > &pV2, math::Vector< real > &pRP, real &pU)
	calculcate closest point on line segment passing through pV1 and pV2
void	closestPointLine (const math::Vector< real > &pSP, const math::Vector< real > &pV1, const math::Vector< real > &pV2, math::Vector< real > &pRP, real &pU)
	calculcate closest point on line segment passing through pV1 and pV2
void	closestPointRay (const math::Vector< real > &pSP, const math::Vector< real > &pOrigin, const math::Vector< real > &pDirection, math::Vector< real > &pRP, real &pU)
	calculcate closest point on line segment passing through pV1 and pV2
void	closestPoint (const math::Vector< real > &pSP, const QVector< math::Vector< real > > &pVs, math::Vector< real > &pRP, int &pI1, int &pI2, real &pU)
	calculcate closest point on polyline
bool	intersect (const math::Vector< real > &pL1V1, const math::Vector< real > &pL1V2, const math::Vector< real > &pL2V1, const math::Vector< real > &pL2V2, math::Vector< real > &pRP)
	calculate intersection between two lines
bool	intersectLineLine (const math::Vector< real > &pL1V1, const math::Vector< real > &pL1V2, const math::Vector< real > &pL2V1, const math::Vector< real > &pL2V2, math::Vector< real > &pRP)
	calculate intersection between two lines
bool	intersectRayLine (const math::Vector< real > &pRS, const math::Vector< real > &pRD, const math::Vector< real > &pLV1, const math::Vector< real > &pLV2, math::Vector< real > &pRP)
	calculate intersection between ray and line
bool	intersectRayRay (const math::Vector< real > &pR1S, const math::Vector< real > &pR1D, const math::Vector< real > &pR2S, const math::Vector< real > &pR2D, math::Vector< real > &pRP)
	calculate intersection between two rays
bool	intersectLinePolyLine (const math::Vector< real > &pLV1, const math::Vector< real > &pLV2, QVector< math::Vector< float > > &pVs, QVector< math::Vector< float > > &pRPs)
	calculate intersection(s) between two lines
bool	intersectLinePolyLine (const math::Vector< real > &pLV1, const math::Vector< real > &pLV2, QVector< math::Vector< float > > &pVs, QVector< math::Vector< float > > &pRPs, QVector< int > &pIs)
	calculate intersection(s) between two lines
bool	intersectRayPolyLine (const math::Vector< real > &pRS, const math::Vector< real > &pRD, QVector< math::Vector< float > > &pVs, QVector< math::Vector< float > > &pRPs)
	calculate intersection between ray and line
bool	intersectRayPolyLine (const math::Vector< real > &pRS, const math::Vector< real > &pRD, QVector< math::Vector< float > > &pVs, QVector< math::Vector< float > > &pRPs, QVector< int > &pIs)
	calculate intersection between ray and line
Static Public Member Functions
static LineTools &	get ()
static void	destroy ()
Protected Member Functions
	LineTools ()
	~LineTools ()
Static Protected Attributes
static LineTools *	sLineTools

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Constructor & Destructor Documentation

LineTools::LineTools

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)

[protected]

LineTools::~LineTools

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)

[protected]

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Member Function Documentation

LineTools & LineTools::get

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[static]

void LineTools::destroy

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)

[static]

void LineTools::closestPoint	(	const math::Vector< real > &	pSP,
		const math::Vector< real > &	pV1,
		const math::Vector< real > &	pV2,
		math::Vector< real > &	pRP,
		real &	pU
	)

calculcate closest point on line segment passing through pV1 and pV2

Parameters:

	pSP	search point
	pV1	line vertex 1
	pV2	line vertex 2
	pRP	resulting closest point
	pU	resulting interplation parameter

void LineTools::closestPointLine	(	const math::Vector< real > &	pSP,
		const math::Vector< real > &	pV1,
		const math::Vector< real > &	pV2,
		math::Vector< real > &	pRP,
		real &	pU
	)

calculcate closest point on line segment passing through pV1 and pV2

Parameters:

	pSP	search point
	pV1	line vertex 1
	pV2	line vertex 2
	pRP	resulting closest point
	pU	resulting interplation parameter

void LineTools::closestPointRay	(	const math::Vector< real > &	pSP,
		const math::Vector< real > &	pOrigin,
		const math::Vector< real > &	pDirection,
		math::Vector< real > &	pRP,
		real &	pU
	)

calculcate closest point on line segment passing through pV1 and pV2

Parameters:

	pSP	search point
	pV1	line vertex 1
	pV2	line vertex 2
	pRP	resulting closest point
	pU	resulting interplation parameter

void LineTools::closestPoint	(	const math::Vector< real > &	pSP,
		const QVector< math::Vector< real > > &	pVs,
		math::Vector< real > &	pRP,
		int &	pI1,
		int &	pI2,
		real &	pU
	)

calculcate closest point on polyline

Parameters:

	pSP	search point
	pVs	polyline vertices
	pV2	line vertex 2
	pRP	resulting closest point
	pI1	starting index & resulting index of begin of line segment
	pI2	ending index & resulting index of end of line segment
	pU	resulting interplation parameter

bool LineTools::intersect	(	const math::Vector< real > &	pL1V1,
		const math::Vector< real > &	pL1V2,
		const math::Vector< real > &	pL2V1,
		const math::Vector< real > &	pL2V2,
		math::Vector< real > &	pRP
	)

calculate intersection between two lines

Parameters:

	pL1V1	start point of first line
	pL1V2	end point of first line
	pL2V1	start point of second line
	pL2V2	end point of second line
	pRP	result point (if intersection exists)

Returns:

true, if there is an intersection, false otherwise

bool LineTools::intersectLineLine	(	const math::Vector< real > &	pL1V1,
		const math::Vector< real > &	pL1V2,
		const math::Vector< real > &	pL2V1,
		const math::Vector< real > &	pL2V2,
		math::Vector< real > &	pRP
	)

calculate intersection between two lines

Parameters:

	pL1V1	start point of first line
	pL1V2	end point of first line
	pL2V1	start point of second line
	pL2V2	end point of second line
	pRP	result point (if intersection exists)

Returns:

true, if there is an intersection, false otherwise

bool LineTools::intersectRayLine	(	const math::Vector< real > &	pRS,
		const math::Vector< real > &	pRD,
		const math::Vector< real > &	pLV1,
		const math::Vector< real > &	pLV2,
		math::Vector< real > &	pRP
	)

calculate intersection between ray and line

Parameters:

	pRS	start point of ray
	pRD	direction of ray
	pLV1	start point of line
	pLV2	end point of line
	pRP	result point (if intersection exists)

Returns:

true, if there is an intersection, false otherwise

bool LineTools::intersectRayRay	(	const math::Vector< real > &	pR1S,
		const math::Vector< real > &	pR1D,
		const math::Vector< real > &	pR2S,
		const math::Vector< real > &	pR2D,
		math::Vector< real > &	pRP
	)

calculate intersection between two rays

Parameters:

	pR1S	start point of first ray
	pR1D	direction of first ray
	pR2S	start point of second ray
	pR2D	direction of second ray
	pRP	result point (if intersection exists)

Returns:

true, if there is an intersection, false otherwise

bool LineTools::intersectLinePolyLine	(	const math::Vector< real > &	pLV1,
		const math::Vector< real > &	pLV2,
		QVector< math::Vector< float > > &	pVs,
		QVector< math::Vector< float > > &	pRPs
	)

calculate intersection(s) between two lines

Parameters:

	pLV1	start point of line
	pLV2	end point of line
	pVs	polyline vertices
	pRPs	result points

Returns:

true, if there is at least one intersection

bool LineTools::intersectLinePolyLine	(	const math::Vector< real > &	pLV1,
		const math::Vector< real > &	pLV2,
		QVector< math::Vector< float > > &	pVs,
		QVector< math::Vector< float > > &	pRPs,
		QVector< int > &	pIs
	)

calculate intersection(s) between two lines

Parameters:

	pLV1	start point of line
	pLV2	end point of line
	pVs	polyline vertices
	pRPs	result points
	pIs	stating indices of intersected line segments

Returns:

true, if there is at least one intersection

bool LineTools::intersectRayPolyLine	(	const math::Vector< real > &	pRS,
		const math::Vector< real > &	pRD,
		QVector< math::Vector< float > > &	pVs,
		QVector< math::Vector< float > > &	pRPs
	)

calculate intersection between ray and line

Parameters:

	pRS	start point of ray
	pRD	direction of ray
	pVs	polyline vertices
	pRPs	result points

Returns:

true, if there is at least one intersection, false otherwise

bool LineTools::intersectRayPolyLine	(	const math::Vector< real > &	pRS,
		const math::Vector< real > &	pRD,
		QVector< math::Vector< float > > &	pVs,
		QVector< math::Vector< float > > &	pRPs,
		QVector< int > &	pIs
	)

calculate intersection between ray and line

Parameters:

	pRS	start point of ray
	pRD	direction of ray
	pVs	polyline vertices
	pRPs	result points
	pIs	stating indices of intersected line segments

Returns:

true, if there is at least one intersection, false otherwise

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Member Data Documentation

LineTools * LineTools::sLineTools [static, protected]

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

• /Users/dbisig/programming/swarms/trunk/geom/trunk/code/iso_geom_line_tools.h
• /Users/dbisig/programming/swarms/trunk/geom/trunk/code/iso_geom_line_tools.cpp

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