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Class javax.vecmath.Vector4d 

java.lang.Object
   |
   +----javax.vecmath.Tuple4d
           |
           +----javax.vecmath.Vector4d
public class Vector4d
extends javax.vecmath.Tuple4d
implements java.io.Serializable
A 4 element vector that is represented by double precision floating point x,y,z,w coordinates.

Version:
specification 1.1, implementation $Revision: 1.7 $, $Date: 1999/03/04 09:16:33 $
Author:
Kenji hiranabe

Constructor Index

o Vector4d()
Constructs and initializes a Vector4d to (0,0,0,0).
o Vector4d(double, double, double, double)
Constructs and initializes a Vector4d from the specified xyzw coordinates.
o Vector4d(double[])
Constructs and initializes a Vector4d from the specified array of length 4.
o Vector4d(Tuple4d)
Constructs and initializes a Vector4d from the specified Tuple4d.
o Vector4d(Tuple4f)
Constructs and initializes a Vector4d from the specified Tuple4f.
o Vector4d(Vector4d)
Constructs and initializes a Vector4d from the specified Vector4d.
o Vector4d(Vector4f)
Constructs and initializes a Vector4d from the specified Vector4d.

Method Index

o angle(Vector4d)
Returns the (4-space) angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].
o dot(Vector4d)
Computes the dot product of the this vector and vector v1.
o length()
Returns the length of this vector.
o lengthSquared()
Returns the squared length of this vector.
o normalize()
Normalizes this vector in place.
o normalize(Vector4d)
Sets the value of this vector to the normalization of vector v1.

Constructors

o Vector4d 
 public Vector4d(double x,
                 double y,
                 double z,
                 double w)
Constructs and initializes a Vector4d from the specified xyzw coordinates.

Parameters:
x - the x coordinate
y - the y coordinate
z - the z coordinate
w - the w coordinate
o Vector4d 
 public Vector4d(double v[])
Constructs and initializes a Vector4d from the specified array of length 4.

Parameters:
v - the array of length 4 containing xyzw in order
o Vector4d 
 public Vector4d(javax.vecmath.Vector4f v1)
Constructs and initializes a Vector4d from the specified Vector4d.

Parameters:
v1 - the Vector4d containing the initialization x y z w data
o Vector4d 
 public Vector4d(javax.vecmath.Vector4d v1)
Constructs and initializes a Vector4d from the specified Vector4d.

Parameters:
v1 - the Vector4d containing the initialization x y z w data
o Vector4d 
 public Vector4d(javax.vecmath.Tuple4d t1)
Constructs and initializes a Vector4d from the specified Tuple4d.

Parameters:
t1 - the Tuple4d containing the initialization x y z w data
o Vector4d 
 public Vector4d(javax.vecmath.Tuple4f t1)
Constructs and initializes a Vector4d from the specified Tuple4f.

Parameters:
t1 - the Tuple4f containing the initialization x y z w data
o Vector4d 
 public Vector4d()
Constructs and initializes a Vector4d to (0,0,0,0).

Methods

o lengthSquared 
 public final double lengthSquared()
Returns the squared length of this vector.

Returns:
the squared length of this vector
o length 
 public final double length()
Returns the length of this vector.

Returns:
the length of this vector
o dot 
 public final double dot(javax.vecmath.Vector4d v1)
Computes the dot product of the this vector and vector v1.

Parameters:
v1 - the other vector
Returns:
the dot product of this vector and vector v1
o normalize 
 public final void normalize(javax.vecmath.Vector4d v1)
Sets the value of this vector to the normalization of vector v1.

Parameters:
v1 - the un-normalized vector
o normalize 
 public final void normalize()
Normalizes this vector in place.

o angle 
 public final double angle(javax.vecmath.Vector4d v1)
Returns the (4-space) angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].

Parameters:
v1 - the other vector
Returns:
the angle in radians in the range [0,PI] 
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