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PositionVector Class Reference

A list of positions. More...

#include <PositionVector.h>

Inheritance diagram for PositionVector:
AbstractPoly vector

Data Structures

class  as_poly_cw_sorter
class  increasing_x_y_sorter

Public Member Functions

void add (SUMOReal xoff, SUMOReal yoff, SUMOReal zoff)
void append (const PositionVector &v)
int appendWithCrossingPoint (const PositionVector &v)
SUMOReal area () const
 Returns the area (0 for non-closed)
bool around (const Position &p, SUMOReal offset=0) const
 Returns the information whether the position vector describes a polygon lying around the given point The optional offset is added to the polygon's bounderies.
SUMOReal beginEndAngle () const
void closePolygon ()
 ensures that the last position equals the first
PositionVector convexHull () const
bool crosses (const Position &p1, const Position &p2) const
SUMOReal distance (const Position &p) const
std::vector< SUMORealdistances (const PositionVector &s) const
void eraseAt (int i)
void extrapolate (SUMOReal val)
Line getBegLine () const
Boundary getBoxBoundary () const
 Returns a boundary enclosing this list of lines.
Position getCentroid () const
 Returns the centroid (closes the polygon if unclosed)
Line getEndLine () const
Position getLineCenter () const
Position getPolygonCenter () const
 Returns the arithmetic of all corner points.
PositionVector getSubpart (SUMOReal beginOffset, SUMOReal endOffset) const
PositionVector getSubpart2D (SUMOReal beginOffset, SUMOReal endOffset) const
int indexOfClosest (const Position &p) const
void insertAt (int index, const Position &p)
int insertAtClosest (const Position &p)
PositionVector intersectionPoints2D (const Line &line) const
bool intersects (const Position &p1, const Position &p2) const
bool intersects (const PositionVector &v1) const
std::vector< SUMORealintersectsAtLengths2D (const PositionVector &other) const
 For all intersections between this vector and other, return the 2D-length of the subvector from this vectors start to the intersection.
std::vector< SUMORealintersectsAtLengths2D (const Line &line) const
 For all intersections between this vector and line, return the 2D-length of the subvector from this vectors start to the intersection.
Position intersectsAtPoint (const Position &p1, const Position &p2) const
Position intersectsAtPoint (const PositionVector &v1) const
bool isClosed () const
SUMOReal isLeft (const Position &P0, const Position &P1, const Position &P2) const
SUMOReal length () const
 Returns the length.
Line lineAt (size_t pos) const
void move2side (SUMOReal amount)
SUMOReal nearest_offset_to_point2D (const Position &p, bool perpendicular=true) const
bool operator== (const PositionVector &v2) const
 comparing operation
const Positionoperator[] (int index) const
 returns the position at the given index !!! exceptions?
Positionoperator[] (int index)
bool overlapsWith (const AbstractPoly &poly, SUMOReal offset=0) const
 Returns the information whether the given polygon overlaps with this Again a boundary may be specified.
bool partialWithin (const AbstractPoly &poly, SUMOReal offset=0) const
 Returns the information whether this polygon lies partially within the given polygon.
Position pop_front ()
 Removes and returns the position at the fron of the list.
Position positionAtOffset (SUMOReal pos) const
 Returns the position at the given length.
Position positionAtOffset2D (SUMOReal pos) const
 Returns the position at the given length.
 PositionVector ()
 Constructor.
 PositionVector (const std::vector< Position > &v)
 Constructor.
void pruneFromBeginAt (const Position &p)
void pruneFromEndAt (const Position &p)
void push_back_noDoublePos (const Position &p)
void push_front (const Position &p)
 Puts the given position at the front of the list.
void push_front_noDoublePos (const Position &p)
void removeColinearPoints ()
void removeDoublePoints (SUMOReal minDist=POSITION_EPS, bool assertLength=false)
 Removes positions if too near.
void replaceAt (int index, const Position &by)
void reshiftRotate (SUMOReal xoff, SUMOReal yoff, SUMOReal rot)
PositionVector reverse () const
SUMOReal rotationDegreeAtOffset (SUMOReal pos) const
 Returns the rotation at the given length.
void scaleSize (SUMOReal factor)
 enlarges/shrinks the polygon based at the centroid
SUMOReal slopeDegreeAtOffset (SUMOReal pos) const
 Returns the slope at the given length.
void sortAsPolyCWByAngle ()
void sortByIncreasingXY ()
std::pair< PositionVector,
PositionVector
splitAt (SUMOReal where) const
 Returns the two lists made when this list vector is splitted at the given point.
 ~PositionVector ()
 Destructor.
Adding items to the container
void push_back (const PositionVector &p)
 Appends all positions from the given vector.

Static Public Member Functions

static Position positionAtOffset (const Position &p1, const Position &p2, SUMOReal pos)
 Returns the position between the two given point at the specified position */.
static Position positionAtOffset2D (const Position &p1, const Position &p2, SUMOReal pos)
 Returns the position between the two given point at the specified position */.

Private Types

typedef std::vector< Positionvp

Friends

std::ostream & operator<< (std::ostream &os, const PositionVector &geom)
 Output operator.

Detailed Description

A list of positions.

Definition at line 53 of file PositionVector.h.

Member Typedef Documentation

typedef std::vector<Position> PositionVector::vp
private

Definition at line 56 of file PositionVector.h.

Constructor & Destructor Documentation

PositionVector::PositionVector ( )

Constructor.

Creates an empty position vector

Definition at line 60 of file PositionVector.cpp.

PositionVector::PositionVector ( const std::vector< Position > &  v)

Constructor.

Parameters
[in]vThe vector to copy

Definition at line 63 of file PositionVector.cpp.

PositionVector::~PositionVector ( )

Destructor.

Definition at line 68 of file PositionVector.cpp.

Member Function Documentation

void PositionVector::add ( SUMOReal  xoff,
SUMOReal  yoff,
SUMOReal  zoff 
)

Definition at line 475 of file PositionVector.cpp.

Referenced by NBEdge::init(), and NBNode::reshiftPosition().

void PositionVector::append ( const PositionVector v)
int PositionVector::appendWithCrossingPoint ( const PositionVector v)
SUMOReal PositionVector::area ( ) const

Returns the area (0 for non-closed)

Definition at line 379 of file PositionVector.cpp.

References isClosed(), push_back(), and SUMOReal.

Referenced by getCentroid().

bool PositionVector::around ( const Position p,
SUMOReal  offset = 0 
) const

Returns the information whether the position vector describes a polygon lying around the given point The optional offset is added to the polygon's bounderies.

Definition at line 93 of file PositionVector.cpp.

References GeomHelper::Angle2D(), PI, SUMOReal, Position::x(), and Position::y().

Referenced by NIImporter_SUMO::addJunction(), and NIVissimTL::NIVissimTLSignal::isWithin().

void PositionVector::closePolygon ( )

ensures that the last position equals the first

Definition at line 1000 of file PositionVector.cpp.

References push_back().

PositionVector PositionVector::convexHull ( ) const

Definition at line 528 of file PositionVector.cpp.

References simpleHull_2D(), and sortAsPolyCWByAngle().

bool PositionVector::crosses ( const Position p1,
const Position p2 
) const

Definition at line 409 of file PositionVector.cpp.

References intersects().

std::vector< SUMOReal > PositionVector::distances ( const PositionVector s) const

Definition at line 1009 of file PositionVector.cpp.

References distance().

Referenced by NBEdge::isNearEnough2BeJoined2().

void PositionVector::eraseAt ( int  i)

Definition at line 763 of file PositionVector.cpp.

Referenced by NBEdge::startShapeAt().

Position PositionVector::getCentroid ( ) const

Returns the centroid (closes the polygon if unclosed)

Definition at line 316 of file PositionVector.cpp.

References area(), isClosed(), length(), push_back(), and SUMOReal.

Referenced by scaleSize().

Line PositionVector::getEndLine ( ) const
Position PositionVector::getLineCenter ( ) const

Definition at line 360 of file PositionVector.cpp.

References length(), positionAtOffset(), and SUMOReal.

Referenced by GUIBusStop::GUIBusStop().

Position PositionVector::getPolygonCenter ( ) const

Returns the arithmetic of all corner points.

Note
: this is different from the centroid!

Definition at line 304 of file PositionVector.cpp.

References SUMOReal.

Referenced by NIVissimNodeCluster::buildNBNode(), NIVissimDistrictConnection::dict_BuildDistrictNodes(), and GUIPolygon::drawGL().

PositionVector PositionVector::getSubpart2D ( SUMOReal  beginOffset,
SUMOReal  endOffset 
) const
int PositionVector::indexOfClosest ( const Position p) const

Definition at line 792 of file PositionVector.cpp.

References Position::distanceTo(), max, and SUMOReal.

void PositionVector::insertAt ( int  index,
const Position p 
)
int PositionVector::insertAtClosest ( const Position p)

Definition at line 809 of file PositionVector.cpp.

References GeomHelper::closestDistancePointLine(), insertAt(), max, and SUMOReal.

PositionVector PositionVector::intersectionPoints2D ( const Line line) const

Returns any intersection Points with the given line (ignoring z-coordinates)

Definition at line 536 of file PositionVector.cpp.

References GeomHelper::intersection_position2D(), GeomHelper::intersects(), Line::p1(), Line::p2(), and push_back_noDoublePos().

Referenced by Line::intersectsAtLengths2D().

bool PositionVector::intersects ( const Position p1,
const Position p2 
) const
bool PositionVector::intersects ( const PositionVector v1) const

Returns the information whether this list of points interesects one the given lines

Definition at line 145 of file PositionVector.cpp.

References intersects().

std::vector< SUMOReal > PositionVector::intersectsAtLengths2D ( const PositionVector other) const

For all intersections between this vector and other, return the 2D-length of the subvector from this vectors start to the intersection.

Definition at line 842 of file PositionVector.cpp.

Referenced by NBEdge::buildInnerEdges(), computeSameEnd(), and NBEdge::startShapeAt().

std::vector< SUMOReal > PositionVector::intersectsAtLengths2D ( const Line line) const

For all intersections between this vector and line, return the 2D-length of the subvector from this vectors start to the intersection.

Definition at line 853 of file PositionVector.cpp.

References Position::distanceTo2D(), GeomHelper::intersection_position2D(), GeomHelper::intersects(), Line::length2D(), Line::p1(), Line::p2(), and SUMOReal.

Position PositionVector::intersectsAtPoint ( const Position p1,
const Position p2 
) const

Returns the position of the intersection

Definition at line 160 of file PositionVector.cpp.

References GeomHelper::intersection_position2D(), and GeomHelper::intersects().

Referenced by NIVissimAbstractEdge::crossesEdgeAtPoint(), GeomHelper::crossPoint(), and intersectsAtPoint().

Position PositionVector::intersectsAtPoint ( const PositionVector v1) const

Returns the position of the intersection

Definition at line 172 of file PositionVector.cpp.

References intersects(), and intersectsAtPoint().

bool PositionVector::isClosed ( ) const

Definition at line 1061 of file PositionVector.cpp.

Referenced by area(), and getCentroid().

SUMOReal PositionVector::isLeft ( const Position P0,
const Position P1,
const Position P2 
) const

Definition at line 521 of file PositionVector.cpp.

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

Line PositionVector::lineAt ( size_t  pos) const
bool PositionVector::operator== ( const PositionVector v2) const

comparing operation

Definition at line 1099 of file PositionVector.cpp.

const Position & PositionVector::operator[] ( int  index) const

returns the position at the given index !!! exceptions?

Definition at line 188 of file PositionVector.cpp.

Position & PositionVector::operator[] ( int  index)

Definition at line 198 of file PositionVector.cpp.

bool PositionVector::overlapsWith ( const AbstractPoly poly,
SUMOReal  offset = 0 
) const

Returns the information whether the given polygon overlaps with this Again a boundary may be specified.

Definition at line 119 of file PositionVector.cpp.

References AbstractPoly::around().

Referenced by NIVissimAbstractEdge::overlapsWith().

bool PositionVector::partialWithin ( const AbstractPoly poly,
SUMOReal  offset = 0 
) const

Returns the information whether this polygon lies partially within the given polygon.

Definition at line 398 of file PositionVector.cpp.

References AbstractPoly::around().

Position PositionVector::pop_front ( )

Removes and returns the position at the fron of the list.

Definition at line 85 of file PositionVector.cpp.

Referenced by NBRampsComputer::buildOffRamp(), and NBEdge::getInnerGeometry().

Position PositionVector::positionAtOffset ( const Position p1,
const Position p2,
SUMOReal  pos 
)
static

Returns the position between the two given point at the specified position */.

Definition at line 270 of file PositionVector.cpp.

References Position::distanceTo(), and SUMOReal.

Position PositionVector::positionAtOffset2D ( SUMOReal  pos) const
Position PositionVector::positionAtOffset2D ( const Position p1,
const Position p2,
SUMOReal  pos 
)
static

Returns the position between the two given point at the specified position */.

Definition at line 282 of file PositionVector.cpp.

References Position::distanceTo2D(), and SUMOReal.

void PositionVector::pruneFromBeginAt ( const Position p)
void PositionVector::push_back ( const PositionVector p)

Appends all positions from the given vector.

Parameters
[in]pThe vector from which values shall be appended

Definition at line 73 of file PositionVector.cpp.

Referenced by NBEdgeCont::applyOptions(), area(), NIVissimConnection::buildGeom(), NBRampsComputer::buildOnRamp(), closePolygon(), NBNode::computeInternalLaneShape(), NBEdge::computeLaneShape(), NBNode::computeNodeShape(), GUIVehicle::computeSeats(), NIVissimDistrictConnection::dict_BuildDistrictNodes(), extrapolate(), traci::TraCIServer::findObjectShape(), getCentroid(), NIVissimAbstractEdge::getGeomPosition(), TraCIServerAPI_Edge::getShape(), TraCIServerAPI_Lane::getShape(), TraCIServerAPI_Polygon::getShape(), SUMOSAXAttributesImpl_Xerces::getShape(), getSubpart(), getSubpart2D(), GUIVehicle::GUIVehicle(), NBEdge::init(), Line::intersectsAtLengths2D(), PCLoaderVisum::load(), PCLoaderDlrNavteq::loadPolyFile(), move2side(), PCLoaderXML::myStartElement(), NIVissimSingleTypeParser_Laengenverteilungsdefinition::parse(), NIVissimSingleTypeParser_Knotendefinition::parse(), NIVissimSingleTypeParser_Zeitenverteilungsdefinition::parse(), NIVissimSingleTypeParser_Geschwindigkeitsverteilungsdefinition::parse(), NIImporter_VISUM::parse_AreaSubPartElement(), GeomConvHelper::parseShapeReporting(), ODMatrix::parseTimeLine(), pruneFromEndAt(), push_back_noDoublePos(), traci::TraCIServer::readTypeCheckingPolygon(), NIImporter_SUMO::reconstructEdgeShape(), NIImporter_DlrNavteq::NodesHandler::report(), NIImporter_DlrNavteq::EdgesHandler::report(), reverse(), NBEdge::setGeometry(), splitAt(), NBEdge::splitGeometry(), and TraCIServerAPI_Vehicle::vtdMap_matchingNearest().

void PositionVector::push_front ( const Position p)

Puts the given position at the front of the list.

Definition at line 79 of file PositionVector.cpp.

Referenced by NBRampsComputer::buildOffRamp(), extrapolate(), NBEdge::init(), NIImporter_DlrNavteq::EdgesHandler::report(), and NBEdge::setGeometry().

void PositionVector::removeColinearPoints ( )

Definition at line 1083 of file PositionVector.cpp.

References GeomHelper::distancePointLine().

void PositionVector::removeDoublePoints ( SUMOReal  minDist = POSITION_EPS,
bool  assertLength = false 
)

Removes positions if too near.

Parameters
[in]minDistThe minimum accepted distance; default: POSITION_EPS
[in]assertLengthWhether the result must at least contain two points (be a line); default: false, to ensure original behaviour

Definition at line 1067 of file PositionVector.cpp.

Referenced by NIImporter_OpenDrive::computeShapes(), NBEdge::init(), and NBEdge::reduceGeometry().

void PositionVector::replaceAt ( int  index,
const Position by 
)
void PositionVector::reshiftRotate ( SUMOReal  xoff,
SUMOReal  yoff,
SUMOReal  rot 
)

Definition at line 483 of file PositionVector.cpp.

Referenced by NBDistrict::reshiftPosition(), and NBEdge::reshiftPosition().

void PositionVector::scaleSize ( SUMOReal  factor)

enlarges/shrinks the polygon based at the centroid

Definition at line 351 of file PositionVector.cpp.

References getCentroid().

SUMOReal PositionVector::slopeDegreeAtOffset ( SUMOReal  pos) const

Returns the slope at the given length.

Definition at line 254 of file PositionVector.cpp.

References Line::atan2DegreeSlope(), and SUMOReal.

Referenced by MSCFModel_KraussPS::maxNextSpeed(), and MSFCDExport::write().

void PositionVector::sortAsPolyCWByAngle ( )

Definition at line 469 of file PositionVector.cpp.

Referenced by convexHull().

void PositionVector::sortByIncreasingXY ( )

Definition at line 499 of file PositionVector.cpp.

std::pair< PositionVector, PositionVector > PositionVector::splitAt ( SUMOReal  where) const

Returns the two lists made when this list vector is splitted at the given point.

Definition at line 415 of file PositionVector.cpp.

References length(), POSITION_EPS, push_back(), SUMOReal, toString(), and WRITE_WARNING.

Referenced by NBEdge::buildInnerEdges(), and NBEdgeCont::splitAt().

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  os,
const PositionVector geom 
)
friend

Output operator.

Definition at line 457 of file PositionVector.cpp.


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