Top Description Fields Constructors Methods
javax.vecmath

public Class Point3f

extends Tuple3f
implements Serializable
Class Inheritance
All Implemented Interfaces
java.io.Serializable
Imports
java.lang.Math
A 3 element point that is represented by single precision floating point x,y,z coordinates.

Field Summary

Modifier and TypeField and Description
pack-priv static final long
serialVersionUID

Hides javax.vecmath.Tuple3f.serialVersionUID.

Inherited from javax.vecmath.Tuple3f:
xyz

Constructor Summary

AccessConstructor and Description
public
Point3f(float
the x coordinate
x, float
the y coordinate
y, float
the z coordinate
z)

Constructs and initializes a Point3f from the specified xyz coordinates.

public
Point3f(float[]
the array of length 3 containing xyz in order
p)

Constructs and initializes a Point3f from the array of length 3.

public
Point3f(Point3f
the Point3f containing the initialization x y z data
p1)

Constructs and initializes a Point3f from the specified Point3f.

public
Point3f(Point3d
the Point3d containing the initialization x y z data
p1)

Constructs and initializes a Point3f from the specified Point3d.

public
Point3f(Tuple3f
the Tuple3f containing the initialization x y z data
t1)

Constructs and initializes a Point3f from the specified Tuple3f.

public
Point3f(Tuple3d
the Tuple3d containing the initialization x y z data
t1)

Constructs and initializes a Point3f from the specified Tuple3d.

public
Point3f()

Constructs and initializes a Point3f to (0,0,0).

Method Summary

Modifier and TypeMethod and Description
public final float

Returns:

the distance
distance(Point3f
the other point
p1)

Computes the distance between this point and point p1.

public final float

Returns:

the L-1 distance
distanceL1(Point3f
the other point
p1)

Computes the L-1 (Manhattan) distance between this point and point p1.

public final float

Returns:

the L-infinite distance
distanceLinf(Point3f
the other point
p1)

Computes the L-infinite distance between this point and point p1.

public final float

Returns:

the square of the distance
distanceSquared(Point3f
the other point
p1)

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

public final void
project(Point4f
the source Point4f, which is not modified
p1)

Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.

Inherited from javax.vecmath.Tuple3f:
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Field Detail

serialVersionUIDback to summary
pack-priv static final long serialVersionUID

Hides javax.vecmath.Tuple3f.serialVersionUID.

Constructor Detail

Point3fback to summary
public Point3f(float x, float y, float z)

Constructs and initializes a Point3f from the specified xyz coordinates.

Parameters
x:float

the x coordinate

y:float

the y coordinate

z:float

the z coordinate

Point3fback to summary
public Point3f(float[] p)

Constructs and initializes a Point3f from the array of length 3.

Parameters
p:float[]

the array of length 3 containing xyz in order

Point3fback to summary
public Point3f(Point3f p1)

Constructs and initializes a Point3f from the specified Point3f.

Parameters
p1:Point3f

the Point3f containing the initialization x y z data

Point3fback to summary
public Point3f(Point3d p1)

Constructs and initializes a Point3f from the specified Point3d.

Parameters
p1:Point3d

the Point3d containing the initialization x y z data

Point3fback to summary
public Point3f(Tuple3f t1)

Constructs and initializes a Point3f from the specified Tuple3f.

Parameters
t1:Tuple3f

the Tuple3f containing the initialization x y z data

Point3fback to summary
public Point3f(Tuple3d t1)

Constructs and initializes a Point3f from the specified Tuple3d.

Parameters
t1:Tuple3d

the Tuple3d containing the initialization x y z data

Point3fback to summary
public Point3f()

Constructs and initializes a Point3f to (0,0,0).

Method Detail

distanceback to summary
public final float distance(Point3f p1)

Computes the distance between this point and point p1.

Parameters
p1:Point3f

the other point

Returns:float

the distance

distanceL1back to summary
public final float distanceL1(Point3f 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:Point3f

the other point

Returns:float

the L-1 distance

distanceLinfback to summary
public final float distanceLinf(Point3f 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:Point3f

the other point

Returns:float

the L-infinite distance

distanceSquaredback to summary
public final float distanceSquared(Point3f p1)

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

Parameters
p1:Point3f

the other point

Returns:float

the square of the distance

projectback to summary
public final void project(Point4f p1)

Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.

Parameters
p1:Point4f

the source Point4f, which is not modified