com.graphhopper.util

Class DistanceCalc2D

java.lang.Object

com.graphhopper.util.DistanceCalcEarth

com.graphhopper.util.DistanceCalc2D

All Implemented Interfaces:

DistanceCalc

public class DistanceCalc2D
extends DistanceCalcEarth

Calculates the distance of two points or one point and an edge in euclidean space.

Author:

Peter Karich

Field Summary

Fields inherited from class com.graphhopper.util.DistanceCalcEarth

C, KM_MILE, R, R_EQ

Constructor Summary

Constructors

Constructor and Description
DistanceCalc2D()

Method Summary

Modifier and Type	Method and Description
double	calcCircumference(double lat)
double	calcDenormalizedDist(double normedDist)
double	calcDist(double fromY, double fromX, double toY, double toX)
double	calcNormalizedDist(double dist) Returns the specified length in normalized meter.
double	calcNormalizedDist(double fromY, double fromX, double toY, double toX) Calculates in normalized meter
BBox	createBBox(double lat, double lon, double radiusInMeter)
boolean	isCrossBoundary(double lon1, double lon2)
boolean	isDateLineCrossOver(double lon1, double lon2)
GHPoint	projectCoordinate(double latInDeg, double lonInDeg, double distanceInMeter, double headingClockwiseFromNorth)
String	toString()

Methods inherited from class com.graphhopper.util.DistanceCalcEarth

calcCrossingPointToEdge, calcNormalizedEdgeDistance, calcNormalizedEdgeDistanceNew, validEdgeDistance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DistanceCalc2D

public DistanceCalc2D()

Method Detail

calcDist

public double calcDist(double fromY,
                       double fromX,
                       double toY,
                       double toX)

Specified by:

calcDist in interface DistanceCalc

Overrides:

calcDist in class DistanceCalcEarth

calcDenormalizedDist

public double calcDenormalizedDist(double normedDist)

Specified by:

calcDenormalizedDist in interface DistanceCalc

Overrides:

calcDenormalizedDist in class DistanceCalcEarth

calcNormalizedDist

public double calcNormalizedDist(double dist)

Returns the specified length in normalized meter.

Specified by:

calcNormalizedDist in interface DistanceCalc

Overrides:

calcNormalizedDist in class DistanceCalcEarth

calcNormalizedDist

public double calcNormalizedDist(double fromY,
                                 double fromX,
                                 double toY,
                                 double toX)

Calculates in normalized meter

Specified by:

calcNormalizedDist in interface DistanceCalc

Overrides:

calcNormalizedDist in class DistanceCalcEarth

toString

public String toString()

Overrides:

toString in class DistanceCalcEarth

calcCircumference

public double calcCircumference(double lat)

Specified by:

calcCircumference in interface DistanceCalc

Overrides:

calcCircumference in class DistanceCalcEarth

isDateLineCrossOver

public boolean isDateLineCrossOver(double lon1,
                                   double lon2)

Overrides:

isDateLineCrossOver in class DistanceCalcEarth

createBBox

public BBox createBBox(double lat,
                       double lon,
                       double radiusInMeter)

Specified by:

createBBox in interface DistanceCalc

Overrides:

createBBox in class DistanceCalcEarth

projectCoordinate

public GHPoint projectCoordinate(double latInDeg,
                                 double lonInDeg,
                                 double distanceInMeter,
                                 double headingClockwiseFromNorth)

Specified by:

projectCoordinate in interface DistanceCalc

Overrides:

projectCoordinate in class DistanceCalcEarth

isCrossBoundary

public boolean isCrossBoundary(double lon1,
                               double lon2)

Specified by:

isCrossBoundary in interface DistanceCalc

Overrides:

isCrossBoundary in class DistanceCalcEarth