Package org.gvsig.dwg.lib.util

Class Point3D

java.lang.Object

org.gvsig.dwg.lib.util.Point3D

public final class Point3D
extends Object

3dim double point. A point is transformed different than a vector. The class is now declared final to allow a more aggresive optimization.

Version:

1.10, 01/13/99

Field Summary

Fields

Modifier and Type	Field	Description
double	x
double	y
double	z

Constructor Summary

Constructors

Constructor	Description
Point3D()
Point3D(double xx, double yy, double zz)
Point3D(Point3D p)	Copy constructor.

Method Summary

Modifier and Type	Method	Description
void	add(Vector3D v)	Add a vector.
Vector3D	minus(Point3D p)	Get difference with point.
Point3D	minus(Vector3D v)	Get difference with vector.
Point3D	plus(Vector3D v)	Get sum with vector.
void	scale(double f)	Scale.
void	sub(Vector3D v)	Substract a vector.
String	toString()	Output.

Methods inherited from class java.lang.Object

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

Field Details

x

public double x

y

public double y

z

public double z

Constructor Details

Point3D

public Point3D()

Point3D

public Point3D(Point3D p)

Copy constructor.

Parameters:

p - point to copy

Point3D

public Point3D(double xx,
 double yy,
 double zz)

Parameters:

xx - x coord

yy - y coord

zz - z coord

Method Details

scale

public void scale(double f)

Scale.

Parameters:

f - scaling factor

add

public void add(Vector3D v)

Add a vector.

Parameters:

v - vector to add

plus

public Point3D plus(Vector3D v)

Get sum with vector.

Parameters:

v - vector to add

Returns:

this+v

sub

public void sub(Vector3D v)

Substract a vector.

Parameters:

v - vector to substract

minus

public Point3D minus(Vector3D v)

Get difference with vector.

Parameters:

v - vector to substract

Returns:

this-v

minus

public Vector3D minus(Point3D p)

Get difference with point.

Parameters:

p - point to substract

Returns:

this-p

toString

public String toString()

Output.

Overrides:

toString in class Object

Returns:

output string