javax.media.ding3d.vecmath
Class Point3d

java.lang.Object
  javax.media.ding3d.vecmath.Tuple3d
      javax.media.ding3d.vecmath.Point3d

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class Point3d
extends Tuple3d
implements java.io.Serializable

A 3 element point that is represented by double precision floating point x,y,z coordinates.

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.media.ding3d.vecmath.Tuple3d

x, y, z

Constructor Summary

Point3d()
Constructs and initializes a Point3d to (0,0,0).

Point3d(double[] p)
Constructs and initializes a Point3d from the array of length 3.

Point3d(double x, double y, double z)
Constructs and initializes a Point3d from the specified xyz coordinates.

Point3d(Point3d p1)
Constructs and initializes a Point3d from the specified Point3d.

Point3d(Point3f p1)
Constructs and initializes a Point3d from the specified Point3f.

Point3d(Tuple3d t1)
Constructs and initializes a Point3d from the specified Tuple3d.

Point3d(Tuple3f t1)
Constructs and initializes a Point3d from the specified Tuple3f.

Method Summary

double	distance(Point3d p1) Returns the distance between this point and point p1.
double	distanceL1(Point3d p1) Computes the L-1 (Manhattan) distance between this point and point p1.
double	distanceLinf(Point3d p1) Computes the L-infinite distance between this point and point p1.
double	distanceSquared(Point3d p1) Returns the square of the distance between this point and point p1.
void	project(Point4d p1) Multiplies each of the x,y,z components of the Point4d parameter by 1/w and places the projected values into this point.

Methods inherited from class javax.media.ding3d.vecmath.Tuple3d

absolute, absolute, add, add, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, scaleAdd, set, set, set, set, setX, setY, setZ, sub, sub, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Point3d

public Point3d(double x,
               double y,
               double z)

Constructs and initializes a Point3d from the specified xyz coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

Point3d

public Point3d(double[] p)

Constructs and initializes a Point3d from the array of length 3.

Parameters:

p - the array of length 3 containing xyz in order

Point3d

public Point3d(Point3d p1)

Constructs and initializes a Point3d from the specified Point3d.

Parameters:

p1 - the Point3d containing the initialization x y z data

Point3d

public Point3d(Point3f p1)

Constructs and initializes a Point3d from the specified Point3f.

Parameters:

p1 - the Point3f containing the initialization x y z data

Point3d

public Point3d(Tuple3f t1)

Constructs and initializes a Point3d from the specified Tuple3f.

Parameters:

t1 - the Tuple3f containing the initialization x y z data

Point3d

public Point3d(Tuple3d t1)

Constructs and initializes a Point3d from the specified Tuple3d.

Parameters:

t1 - the Tuple3d containing the initialization x y z data

Point3d

public Point3d()

Constructs and initializes a Point3d to (0,0,0).

Method Detail

distanceSquared

public final double distanceSquared(Point3d p1)

Returns the square of the distance between this point and point p1.

Parameters:

p1 - the other point

Returns:

the square of the distance

distance

public final double distance(Point3d p1)

Returns the distance between this point and point p1.

Parameters:

p1 - the other point

Returns:

the distance

distanceL1

public final double distanceL1(Point3d p1)

Computes the L-1 (Manhattan) distance between this point and point p1. The L-1 distance is equal to: abs(x1-x2) + abs(y1-y2) + abs(z1-z2).

Parameters:

p1 - the other point

Returns:

the L-1 distance

distanceLinf

public final double distanceLinf(Point3d p1)

Computes the L-infinite distance between this point and point p1. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2)].

Parameters:

p1 - the other point

Returns:

the L-infinite distance

project

public final void project(Point4d p1)

Multiplies each of the x,y,z components of the Point4d parameter by 1/w and places the projected values into this point.

Parameters:

p1 - the source Point4d, which is not modified