Package org.robwork.sdurw_geometry

Class DistanceUtil

java.lang.Object

org.robwork.sdurw_geometry.DistanceUtil

public class DistanceUtil
extends java.lang.Object

a class for performing distance calculations between different
geometric primitives

Constructor Summary

Constructors

Constructor	Description
DistanceUtil()
DistanceUtil(long cPtr, boolean cMemoryOwn)

Method Summary

Modifier and Type	Method	Description
void	delete()
static double	distanceLineLine(Vector3D p1, Vector3D p2, Vector3D q1, Vector3D q2)	computes the euclidean distance between line segments (line(p1,p2),line(q1,q2))
static double	distanceLineLineSqr(Vector3D p1, Vector3D p2, Vector3D q1, Vector3D q2)	computes the squared euclidean distance between line segments (line(p1,p2),line(q1,q2))
static long	getCPtr(DistanceUtil obj)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DistanceUtil

public DistanceUtil(long cPtr,
                    boolean cMemoryOwn)

DistanceUtil

public DistanceUtil()

Method Detail

getCPtr

public static long getCPtr(DistanceUtil obj)

delete

public void delete()

distanceLineLineSqr

public static double distanceLineLineSqr(Vector3D p1,
                                         Vector3D p2,
                                         Vector3D q1,
                                         Vector3D q2)

computes the squared euclidean distance between line segments
(line(p1,p2),line(q1,q2))

Parameters:

p1 - [in] start point on line segment 1

p2 - [in] end point on line segment 1

q1 - [in] start point on line segment 2

q2 - [in] end point on line segment 2

Returns:

distance between line segments

distanceLineLine

public static double distanceLineLine(Vector3D p1,
                                      Vector3D p2,
                                      Vector3D q1,
                                      Vector3D q2)

computes the euclidean distance between line segments (line(p1,p2),line(q1,q2))

Parameters:

p1 - [in] start point on line segment 1

p2 - [in] end point on line segment 1

q1 - [in] start point on line segment 2

q2 - [in] end point on line segment 2

Returns:

distance between line segments