Jcg.geometry

Class GeometricOperations_3

java.lang.Object

Jcg.geometry.GeometricOperations_3

Deprecated.

refer to class GeometricConstructions_3 and GeometricPredicates_3

@Deprecated
public class GeometricOperations_3
extends java.lang.Object

Provides implementations of basic geometric predicates and constructions (in 3D)

Constructor Summary

Constructors

Constructor and Description
GeometricOperations_3() Deprecated.

Method Summary

Modifier and Type	Method and Description
static Point_3	circumCenter(Point_3 p, Point_3 q, Point_3 r, Point_3 s) Deprecated.
static boolean	coplanarExact(Point_3 a, Point_3 b, Point_3 c, Point_3 d) Deprecated. Test whether four 3D points are coplanar (test is filtered)
static boolean	doIntersect(Segment_3 s, Triangle_3 t) Deprecated. refer to Jcg.geometry.kernel.GeometricPredicates_3
static void	main(java.lang.String[] args) Deprecated.
static int	orientation(Point_3 a, Point_3 b, Point_3 c, Point_3 d) Deprecated. refer to Jcg.geometry.kernel.GeometricPredicates_3
static int	sideOfSphere(Point_3 p, Point_3 a, Point_3 b, Point_3 c, Point_3 d) Deprecated. Returns the position of p with respect to the circumsphere of tetrahedron (a, b, c, d): +1 if p lies outside the sphere, -1 if p lies inside the sphere, 0 if p lies on the sphere with exact computations (slow but more reliable)
static int	sideOfTetrahedron(Point_3 p, Point_3[] t) Deprecated. determines on which side of the tetrahedron t point p lies: -1 means inside, 0 means on the boundary, +1 means outside
static java.math.BigDecimal	squaredistanceExact(java.math.BigDecimal px, java.math.BigDecimal py, java.math.BigDecimal pz, java.math.BigDecimal qx, java.math.BigDecimal qy, java.math.BigDecimal qz) Deprecated. Returns the square of the distance between two 3D points with exact computations (slow but more reliable)

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometricOperations_3

public GeometricOperations_3()

Deprecated.

Method Detail

squaredistanceExact

public static java.math.BigDecimal squaredistanceExact(java.math.BigDecimal px,
                                                       java.math.BigDecimal py,
                                                       java.math.BigDecimal pz,
                                                       java.math.BigDecimal qx,
                                                       java.math.BigDecimal qy,
                                                       java.math.BigDecimal qz)

Deprecated.

Returns the square of the distance between two 3D points with exact computations (slow but more reliable)

Parameters:

p1,p2 - the two 3D points

Returns:

dist the square of the distance

doIntersect

@Deprecated
public static boolean doIntersect(Segment_3 s,
                                              Triangle_3 t)

Deprecated. refer to Jcg.geometry.kernel.GeometricPredicates_3

Tests whether segment s intersects triangle t (test is filtered)

coplanarExact

public static boolean coplanarExact(Point_3 a,
                                    Point_3 b,
                                    Point_3 c,
                                    Point_3 d)

Deprecated.

Test whether four 3D points are coplanar (test is filtered)

orientation

@Deprecated
public static int orientation(Point_3 a,
                                          Point_3 b,
                                          Point_3 c,
                                          Point_3 d)

Deprecated. refer to Jcg.geometry.kernel.GeometricPredicates_3

Returns orientation of tetrahedron (a, b, c, d): +1 if orientation is direct, -1 if orientation is indirect, 0 if points are coplanar (test is filtered)

sideOfSphere

public static int sideOfSphere(Point_3 p,
                               Point_3 a,
                               Point_3 b,
                               Point_3 c,
                               Point_3 d)

Deprecated.

Returns the position of p with respect to the circumsphere of tetrahedron (a, b, c, d): +1 if p lies outside the sphere, -1 if p lies inside the sphere, 0 if p lies on the sphere with exact computations (slow but more reliable)

circumCenter

public static Point_3 circumCenter(Point_3 p,
                                   Point_3 q,
                                   Point_3 r,
                                   Point_3 s)

Deprecated.

sideOfTetrahedron

public static int sideOfTetrahedron(Point_3 p,
                                    Point_3[] t)

Deprecated.

determines on which side of the tetrahedron t point p lies: -1 means inside, 0 means on the boundary, +1 means outside

main

public static void main(java.lang.String[] args)

Deprecated.