inra.ijpb.measure.region3d

Class GeometryUtils

java.lang.Object

inra.ijpb.measure.region3d.GeometryUtils

public class GeometryUtils
extends Object

Some utilities for geometric computations.

Author:

dlegland

Method Summary

Modifier and Type	Method and Description
static double	sphericalAngle(Vector3D v1, Vector3D v2, Vector3D v3) Computes the spherical angle of three points on the unit sphere, based on the vectors.
static double	sphericalVoronoiDomainArea(Vector3D germ, Vector3D[] neighbors) Computes area of a spherical Voronoi domain, based on a germ and several neighbors.

Methods inherited from class java.lang.Object

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

Method Detail

sphericalVoronoiDomainArea

public static final double sphericalVoronoiDomainArea(Vector3D germ,
                                                      Vector3D[] neighbors)

Computes area of a spherical Voronoi domain, based on a germ and several neighbors.

Parameters:

germ - the germ of the region

neighbors - the neighbor germs

Returns:

the area of the spherical Voronoi domain

sphericalAngle

public static final double sphericalAngle(Vector3D v1,
                                          Vector3D v2,
                                          Vector3D v3)

Computes the spherical angle of three points on the unit sphere, based on the vectors.

Parameters:

v1 - the first vector

v2 - the second vector

v3 - the third vector

Returns:

the spherical angle