Line Class Reference

#include <Line.h>

Public Member Functions
void	add (SUMOReal x, SUMOReal y)
void	add (const Position &p)
SUMOReal	atan2Angle () const
SUMOReal	atan2DegreeAngle () const
SUMOReal	atan2PositiveAngle () const
void	extrapolateBy (SUMOReal length)
void	extrapolateFirstBy (SUMOReal length)
void	extrapolateSecondBy (SUMOReal length)
Position	getPositionAtDistance (SUMOReal offset) const
Position	getPositionAtDistance2D (SUMOReal offset) const
bool	intersects (const Line &l) const
Position	intersectsAt (const Line &l) const
SUMOReal	intersectsAtLength2D (const Line &v)
	returns distance between myP1 and intersection or -1 if line segments do not intersect
std::vector< SUMOReal >	intersectsAtLengths2D (const PositionVector &v)
SUMOReal	length () const
SUMOReal	length2D () const
	Line ()
	Line (const Position &p1, const Position &p2)
void	move2side (SUMOReal amount)
const Position &	p1 () const
const Position &	p2 () const
Line &	reverse ()
void	rotateAtP1 (SUMOReal rot)
void	sub (SUMOReal x, SUMOReal y)
	~Line ()

Private Attributes
Position	myP1
Position	myP2

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Detailed Description

Class for line segments

Definition at line 51 of file Line.h.

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Constructor & Destructor Documentation

Line::Line

(

)

Definition at line 50 of file Line.cpp.

Line::Line	(	const Position &	p1,
		const Position &	p2
	)

Definition at line 53 of file Line.cpp.

Line::~Line

(

)

Definition at line 57 of file Line.cpp.

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Member Function Documentation

void Line::add	(	SUMOReal	x,
		SUMOReal	y
	)

Definition at line 183 of file Line.cpp.

References Position::add(), myP1, and myP2.

Referenced by NBNodeShapeComputer::computeNodeShapeByCrosses().

void Line::add

(

const Position &

p

)

Definition at line 190 of file Line.cpp.

References Position::add(), myP1, myP2, Position::x(), Position::y(), and Position::z().

SUMOReal Line::atan2Angle

(

)

const

Definition at line 138 of file Line.cpp.

References myP1, myP2, Position::x(), and Position::y().

Referenced by atan2PositiveAngle(), PositionVector::beginEndAngle(), and NBNode::computeInternalLaneShape().

SUMOReal Line::atan2DegreeAngle

(

)

const

Definition at line 144 of file Line.cpp.

References myP1, myP2, PI, SUMOReal, Position::x(), and Position::y().

Referenced by NBEdge::computeEdgeShape(), NBEdge::computeLaneShape(), NIVissimEdge::dict_checkEdges2Join(), GLHelper::drawTriangleAtEnd(), NBEdge::getAngleAtNode(), NBContHelper::edge_opposite_direction_sorter::getEdgeAngleAt(), NBNodeShapeComputer::joinSameDirectionEdges(), and PositionVector::rotationDegreeAtLengthPosition().

SUMOReal Line::atan2PositiveAngle

(

)

const

Definition at line 150 of file Line.cpp.

References atan2Angle(), PI, and SUMOReal.

void Line::extrapolateBy

(

SUMOReal

length

)

Definition at line 61 of file Line.cpp.

References Position::add(), Position::distanceTo(), myP1, myP2, Position::sub(), and SUMOReal.

Referenced by PositionVector::appendWithCrossingPoint(), NBNodeShapeComputer::computeContinuationNodeShape(), NBEdge::computeLaneShape(), NBNodeShapeComputer::computeNodeShapeByCrosses(), computeSameEnd(), NBNodeShapeComputer::joinSameDirectionEdges(), PositionVector::move2side(), NIImporter_SUMO::reconstructEdgeShape(), and NBEdge::startShapeAt().

void Line::extrapolateFirstBy

(

SUMOReal

length

)

Definition at line 70 of file Line.cpp.

References GeomHelper::extrapolate_first(), myP1, and myP2.

Referenced by NBNode::computeInternalLaneShape().

void Line::extrapolateSecondBy

(

SUMOReal

length

)

Definition at line 76 of file Line.cpp.

References GeomHelper::extrapolate_second(), myP1, and myP2.

Referenced by NBNode::computeInternalLaneShape().

Position Line::getPositionAtDistance

(

SUMOReal

offset

)

const

Definition at line 93 of file Line.cpp.

References Position::distanceTo(), length(), myP1, myP2, SUMOReal, and toString().

Referenced by NBNode::computeInternalLaneShape(), computeSameEnd(), and GLHelper::drawTriangleAtEnd().

Position Line::getPositionAtDistance2D

(

SUMOReal

offset

)

const

Definition at line 106 of file Line.cpp.

References Position::distanceTo2D(), length(), myP1, myP2, SUMOReal, and toString().

Referenced by NBEdge::startShapeAt().

bool Line::intersects

(

const Line &

l

)

const

Definition at line 165 of file Line.cpp.

References myP1, and myP2.

Referenced by NBNode::computeInternalLaneShape(), NBEdge::computeLaneShape(), NBNodeShapeComputer::computeNodeShapeByCrosses(), PositionVector::move2side(), and NIImporter_SUMO::reconstructEdgeShape().

Position Line::intersectsAt

(

const Line &

l

)

const

Definition at line 159 of file Line.cpp.

References GeomHelper::intersection_position2D(), myP1, and myP2.

Referenced by NBNode::computeInternalLaneShape(), NBEdge::computeLaneShape(), NBNodeShapeComputer::computeNodeShapeByCrosses(), PositionVector::move2side(), and NIImporter_SUMO::reconstructEdgeShape().

SUMOReal Line::intersectsAtLength2D

(

const Line &

v

)

returns distance between myP1 and intersection or -1 if line segments do not intersect

Definition at line 214 of file Line.cpp.

References GeomHelper::intersection_position2D(), myP1, myP2, and GeomHelper::nearest_position_on_line_to_point2D().

std::vector< SUMOReal > Line::intersectsAtLengths2D

(

const PositionVector &

v

)

Definition at line 127 of file Line.cpp.

References Position::distanceTo2D(), PositionVector::intersectionPoints2D(), myP1, PositionVector::push_back(), and PositionVector::size().

Referenced by NBEdge::startShapeAt().

SUMOReal Line::length

(

)

const

Definition at line 177 of file Line.cpp.

References Position::distanceTo(), myP1, and myP2.

Referenced by NBNode::computeInternalLaneShape(), GLHelper::drawTriangleAtEnd(), getPositionAtDistance(), getPositionAtDistance2D(), and NWWriter_OpenDrive::writePlanView().

SUMOReal Line::length2D

(

)

const

Definition at line 171 of file Line.cpp.

References Position::distanceTo2D(), myP1, and myP2.

Referenced by PositionVector::intersectsAtLengths2D().

void Line::move2side

(

SUMOReal

amount

)

Definition at line 119 of file Line.cpp.

References Position::add(), GeomHelper::getNormal90D_CW(), myP1, and myP2.

Referenced by NBNodeShapeComputer::replaceFirstChecking(), and NBNodeShapeComputer::replaceLastChecking().

const Position & Line::p1

(

)

const

Definition at line 81 of file Line.cpp.

References myP1.

Referenced by NBNode::computeInternalLaneShape(), NBNodeShapeComputer::computeNodeShapeByCrosses(), computeSameEnd(), PositionVector::intersectionPoints2D(), PositionVector::intersectsAtLengths2D(), NBNodeShapeComputer::joinSameDirectionEdges(), NBNodeShapeComputer::replaceFirstChecking(), NBEdge::startShapeAt(), and NWWriter_OpenDrive::writePlanView().

const Position & Line::p2

(

)

const

Definition at line 87 of file Line.cpp.

References myP2.

Referenced by NBNode::computeInternalLaneShape(), NIVissimEdge::dict_checkEdges2Join(), GLHelper::drawTriangleAtEnd(), PositionVector::intersectionPoints2D(), PositionVector::intersectsAtLengths2D(), NBNodeShapeComputer::replaceLastChecking(), NBEdge::startShapeAt(), and NWWriter_OpenDrive::writePlanView().

Line & Line::reverse

(

)

Definition at line 205 of file Line.cpp.

References myP1, and myP2.

Referenced by NBContHelper::edge_opposite_direction_sorter::getEdgeAngleAt().

void Line::rotateAtP1

(

SUMOReal

rot

)

Definition at line 222 of file Line.cpp.

References Position::add(), myP1, myP2, Position::reshiftRotate(), and Position::sub().

Referenced by NBNode::computeInternalLaneShape(), and NBNodeShapeComputer::computeNodeShapeByCrosses().

void Line::sub	(	SUMOReal	x,
		SUMOReal	y
	)

Definition at line 197 of file Line.cpp.

References myP1, myP2, and Position::sub().

Referenced by NBNode::computeInternalLaneShape().

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Field Documentation

Position Line::myP1

private

Definition at line 83 of file Line.h.

Referenced by add(), atan2Angle(), atan2DegreeAngle(), extrapolateBy(), extrapolateFirstBy(), extrapolateSecondBy(), getPositionAtDistance(), getPositionAtDistance2D(), intersects(), intersectsAt(), intersectsAtLength2D(), intersectsAtLengths2D(), length(), length2D(), move2side(), p1(), reverse(), rotateAtP1(), and sub().

Position Line::myP2

private

Definition at line 83 of file Line.h.

Referenced by add(), atan2Angle(), atan2DegreeAngle(), extrapolateBy(), extrapolateFirstBy(), extrapolateSecondBy(), getPositionAtDistance(), getPositionAtDistance2D(), intersects(), intersectsAt(), intersectsAtLength2D(), length(), length2D(), move2side(), p2(), reverse(), rotateAtP1(), and sub().

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

• Line.h
• Line.cpp