#include <GeomHelper.h>

Static Public Member Functions
static SUMOReal	Angle2D (SUMOReal x1, SUMOReal y1, SUMOReal x2, SUMOReal y2)
static SUMOReal	closestDistancePointLine (const Position &point, const Position &lineStart, const Position &lineEnd, Position &outIntersection)
static Position	crossPoint (const Boundary &b, const PositionVector &v)
static SUMOReal	distancePointLine (const Position &point, const Position &lineStart, const Position &lineEnd)
static Position	extrapolate_first (const Position &p1, const Position &p2, SUMOReal length)
static Position	extrapolate_second (const Position &p1, const Position &p2, SUMOReal length)
static SUMOReal	getCCWAngleDiff (SUMOReal angle1, SUMOReal angle2)
	Returns the distance of second angle from first angle counter-clockwise.
static SUMOReal	getCWAngleDiff (SUMOReal angle1, SUMOReal angle2)
	Returns the distance of second angle from first angle clockwise.
static SUMOReal	getMaxAngleDiff (SUMOReal angle1, SUMOReal angle2)
	Returns the maximum distance (clockwise/counter-clockwise) between both angles.
static SUMOReal	getMinAngleDiff (SUMOReal angle1, SUMOReal angle2)
	Returns the minimum distance (clockwise/counter-clockwise) between both angles.
static std::pair< SUMOReal, SUMOReal >	getNormal90D_CW (const Position &beg, const Position &end, SUMOReal length, SUMOReal wanted_offset)
static std::pair< SUMOReal, SUMOReal >	getNormal90D_CW (const Position &beg, const Position &end, SUMOReal wanted_offset)
static Position	interpolate (const Position &p1, const Position &p2, SUMOReal length)
static Position	intersection_position (const Position &p11, const Position &p12, const Position &p21, const Position &p22)
	returns the intersection point of the (infinite) lines p11,p12 and p21,p22. If the given lines are parallel the result will contain NAN-values
static bool	intersects (const Position &p11, const Position &p12, const Position &p21, const Position &p22)
	return whether the line segments defined by Line p11,p12 and Line p21,p22 intersect
static bool	intersects (SUMOReal x1, SUMOReal y1, SUMOReal x2, SUMOReal y2, SUMOReal x3, SUMOReal y3, SUMOReal x4, SUMOReal y4)
	return whether the line segments defined by Line (x1,y1),(x2,y2) and Line (x3,y3),(x4,y4) intersect
static SUMOReal	nearest_position_on_line_to_point2D (const Position &l1, const Position &l2, const Position &p, bool perpendicular=true)
static Position	transfer_to_side (Position &p, const Position &lineBeg, const Position &lineEnd, SUMOReal amount)

Detailed Description

Definition at line 51 of file GeomHelper.h.

Member Function Documentation

SUMOReal GeomHelper::Angle2D	(	SUMOReal	x1,
		SUMOReal	y1,
		SUMOReal	x2,
		SUMOReal	y2
	)		`[static]`

Definition at line 178 of file GeomHelper.cpp.

References PI, and SUMOReal.

Referenced by PositionVector::around(), NGRandomNetBuilder::checkAngles(), and PositionVector::move2side().

SUMOReal GeomHelper::closestDistancePointLine	(	const Position &	point,
		const Position &	lineStart,
		const Position &	lineEnd,
		Position &	outIntersection
	)		`[static]`

Return the distance from point to line as well as the intersection point. If intersection does not lie within the line segment, the start or end point of the segment is returned

Definition at line 272 of file GeomHelper.cpp.

References Position::distanceTo2D(), nearest_position_on_line_to_point2D(), Position::set(), and SUMOReal.

Referenced by PositionVector::distance(), and PositionVector::insertAtClosest().

Position GeomHelper::crossPoint	(	const Boundary &	b,
		const PositionVector &	v
	)		`[static]`

Definition at line 300 of file GeomHelper.cpp.

References PositionVector::intersects(), PositionVector::intersectsAtPoint(), Boundary::xmax(), Boundary::xmin(), Boundary::ymax(), and Boundary::ymin().

Referenced by NIVissimConnectionCluster::getPositionForEdge().

SUMOReal GeomHelper::distancePointLine	(	const Position &	point,
		const Position &	lineStart,
		const Position &	lineEnd
	)		`[static]`

by Damian Coventry

Definition at line 248 of file GeomHelper.cpp.

References Position::distanceSquaredTo(), Position::distanceTo(), SUMOReal, Position::x(), and Position::y().

Referenced by NGRandomNetBuilder::canConnect(), PositionVector::pruneFromBeginAt(), PositionVector::pruneFromEndAt(), and PositionVector::removeColinearPoints().

Position GeomHelper::extrapolate_first	(	const Position &	p1,
		const Position &	p2,
		SUMOReal	length
	)		`[static]`

Definition at line 201 of file GeomHelper.cpp.

References Position::distanceTo(), SUMOReal, Position::x(), and Position::y().

Referenced by PositionVector::extrapolate(), Line::extrapolateFirstBy(), and PositionVector::pruneFromBeginAt().

Position GeomHelper::extrapolate_second	(	const Position &	p1,
		const Position &	p2,
		SUMOReal	length
	)		`[static]`

Definition at line 211 of file GeomHelper.cpp.

References Position::distanceTo(), SUMOReal, Position::x(), and Position::y().

Referenced by PositionVector::extrapolate(), Line::extrapolateSecondBy(), NIVissimAbstractEdge::getGeomPosition(), and PositionVector::pruneFromEndAt().

SUMOReal GeomHelper::getCCWAngleDiff	(	SUMOReal	angle1,
		SUMOReal	angle2
	)		`[static]`

Returns the distance of second angle from first angle counter-clockwise.

Parameters:

[in]	angle1	The first angle
[in]	angle2	The second angle

Returns:: Angle (counter-clockwise) starting from first to second angle

Definition at line 345 of file GeomHelper.cpp.

References SUMOReal.

Referenced by NBNode::computeLanes2Lanes(), getMaxAngleDiff(), getMinAngleDiff(), and NBNode::isLeftMover().

SUMOReal GeomHelper::getCWAngleDiff	(	SUMOReal	angle1,
		SUMOReal	angle2
	)		`[static]`

Returns the distance of second angle from first angle clockwise.

Parameters:

[in]	angle1	The first angle
[in]	angle2	The second angle

Returns:: Angle (clockwise) starting from first to second angle

Definition at line 355 of file GeomHelper.cpp.

References SUMOReal.

Referenced by NBNode::computeLanes2Lanes(), NBEdge::computeLaneShape(), getMaxAngleDiff(), getMinAngleDiff(), and NBNode::isLeftMover().

SUMOReal GeomHelper::getMaxAngleDiff	(	SUMOReal	angle1,
		SUMOReal	angle2
	)		`[static]`

Returns the maximum distance (clockwise/counter-clockwise) between both angles.

Parameters:

[in]	angle1	The first angle
[in]	angle2	The second angle

Returns:: The maximum distance between both angles

Definition at line 371 of file GeomHelper.cpp.

References getCCWAngleDiff(), getCWAngleDiff(), and MAX2().

SUMOReal GeomHelper::getMinAngleDiff	(	SUMOReal	angle1,
		SUMOReal	angle2
	)		`[static]`

Returns the minimum distance (clockwise/counter-clockwise) between both angles.

Parameters:

[in]	angle1	The first angle
[in]	angle2	The second angle

Returns:: The minimum distance between both angles

Definition at line 365 of file GeomHelper.cpp.

References getCCWAngleDiff(), getCWAngleDiff(), and MIN2().

Referenced by NBNodeShapeComputer::compute(), NBEdge::computeEdgeShape(), NBOwnTLDef::getBestCombination(), NBContHelper::edge_opposite_direction_sorter::getDiff(), NBContHelper::edge_similar_direction_sorter::operator()(), MSLane::by_connections_to_sorter::operator()(), and NBNode::setPriorityJunctionPriorities().

std::pair< SUMOReal, SUMOReal > GeomHelper::getNormal90D_CW	(	const Position &	beg,
		const Position &	end,
		SUMOReal	length,
		SUMOReal	wanted_offset
	)		`[static]`

Definition at line 333 of file GeomHelper.cpp.

References toString(), Position::x(), and Position::y().

Referenced by getNormal90D_CW(), NBEdge::laneOffset(), PositionVector::move2side(), and Line::move2side().

std::pair< SUMOReal, SUMOReal > GeomHelper::getNormal90D_CW	(	const Position &	beg,
		const Position &	end,
		SUMOReal	wanted_offset
	)		`[static]`

Definition at line 325 of file GeomHelper.cpp.

References Position::distanceTo2D(), and getNormal90D_CW().

Position GeomHelper::interpolate	(	const Position &	p1,
		const Position &	p2,
		SUMOReal	length
	)		`[static]`

Definition at line 191 of file GeomHelper.cpp.

References Position::distanceTo(), SUMOReal, Position::x(), and Position::y().

Position GeomHelper::intersection_position	(	const Position &	p11,
		const Position &	p12,
		const Position &	p21,
		const Position &	p22
	)		`[static]`

returns the intersection point of the (infinite) lines p11,p12 and p21,p22. If the given lines are parallel the result will contain NAN-values

Definition at line 116 of file GeomHelper.cpp.

References SUMOReal, Position::x(), and Position::y().

Referenced by NIVissimAbstractEdge::crossesAtPoint(), PositionVector::intersectionPoints2D(), Line::intersectsAt(), Line::intersectsAtLength2D(), PositionVector::intersectsAtLengths2D(), and PositionVector::intersectsAtPoint().

bool GeomHelper::intersects	(	const Position &	p11,
		const Position &	p12,
		const Position &	p21,
		const Position &	p22
	)		`[static]`

return whether the line segments defined by Line p11,p12 and Line p21,p22 intersect

Definition at line 108 of file GeomHelper.cpp.

References intersects(), Position::x(), and Position::y().

bool GeomHelper::intersects	(	SUMOReal	x1,
		SUMOReal	y1,
		SUMOReal	x2,
		SUMOReal	y2,
		SUMOReal	x3,
		SUMOReal	y3,
		SUMOReal	x4,
		SUMOReal	y4
	)		`[static]`

return whether the line segments defined by Line (x1,y1),(x2,y2) and Line (x3,y3),(x4,y4) intersect

Definition at line 51 of file GeomHelper.cpp.

References SUMOReal.

Referenced by NGRandomNetBuilder::canConnect(), Boundary::crosses(), PositionVector::intersectionPoints2D(), PositionVector::intersects(), intersects(), PositionVector::intersectsAtLengths2D(), and PositionVector::intersectsAtPoint().

SUMOReal GeomHelper::nearest_position_on_line_to_point2D	(	const Position &	l1,
		const Position &	l2,
		const Position &	p,
		bool	perpendicular = `true`
	)		`[static]`

Definition at line 221 of file GeomHelper.cpp.

References Position::distanceTo2D(), SUMOReal, Position::x(), and Position::y().

Referenced by closestDistancePointLine(), NIVissimAbstractEdge::crossesAtPoint(), NIVissimConnectionCluster::getPositionForEdge(), Line::intersectsAtLength2D(), NIVissimConnectionCluster::liesOnSameEdgesEnd(), PositionVector::nearest_position_on_line_to_point(), PositionVector::pruneFromBeginAt(), PositionVector::pruneFromEndAt(), and NBEdgeCont::splitAt().

Position GeomHelper::transfer_to_side	(	Position &	p,
		const Position &	lineBeg,
		const Position &	lineEnd,
		SUMOReal	amount
	)		`[static]`

Definition at line 284 of file GeomHelper.cpp.

References Position::add(), SUMOReal, Position::x(), and Position::y().

Referenced by NBEdge::getMaxLaneOffsetPositionAt(), and NBEdge::getMinLaneOffsetPositionAt().

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

GeomHelper Class Reference

Static Public Member Functions

Detailed Description

Member Function Documentation