SUMO - Simulation of Urban MObility
GeomHelper Class Reference

#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_position2D (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 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)

Static Private Member Functions

static bool intersects (const SUMOReal x1, const SUMOReal y1, const SUMOReal x2, const SUMOReal y2, const SUMOReal x3, const SUMOReal y3, const SUMOReal x4, const SUMOReal y4, SUMOReal *x, SUMOReal *y, SUMOReal *mu)
 return whether the line segments defined by Line (x1,y1),(x2,y2) and Line (x3,y3),(x4,y4) intersect

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 161 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 249 of file GeomHelper.cpp.

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

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

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

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

Parameters:
[in]angle1The first angle
[in]angle2The second angle
Returns:
Angle (counter-clockwise) starting from first to second angle

Definition at line 322 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]angle1The first angle
[in]angle2The second angle
Returns:
Angle (clockwise) starting from first to second angle

Definition at line 332 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]angle1The first angle
[in]angle2The second angle
Returns:
The maximum distance between both angles

Definition at line 348 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]angle1The first angle
[in]angle2The second angle
Returns:
The minimum distance between both angles

Definition at line 342 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 NBEdgePriorityComputer::setPriorityJunctionPriorities().

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

Definition at line 302 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 174 of file GeomHelper.cpp.

References Position::distanceTo(), and SUMOReal.

Position GeomHelper::intersection_position2D ( 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 140 of file GeomHelper.cpp.

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

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]
bool GeomHelper::intersects ( const SUMOReal  x1,
const SUMOReal  y1,
const SUMOReal  x2,
const SUMOReal  y2,
const SUMOReal  x3,
const SUMOReal  y3,
const SUMOReal  x4,
const SUMOReal  y4,
SUMOReal x,
SUMOReal y,
SUMOReal mu 
) [static, private]

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

Definition at line 53 of file GeomHelper.cpp.

References SUMOReal.

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

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