Vector4d (Java 3D Javadocs 0-SNAPSHOT API)

java.lang.Object
- org.scijava.vecmath.Tuple4d
- - org.scijava.vecmath.Vector4d

All Implemented Interfaces:

Serializable, Cloneable
```
public class Vector4d
extends Tuple4d
implements Serializable
```
A 4-element vector represented by double-precision floating point x,y,z,w coordinates.

See Also:

Serialized Form

Field Summary
- Fields inherited from class org.scijava.vecmath.Tuple4d
  w, x, y, z

Constructor Summary

Constructors
Constructor and Description
`Vector4d()` Constructs and initializes a Vector4d to (0,0,0,0).
`Vector4d(double[] v)` Constructs and initializes a Vector4d from the coordinates contained in the array.
`Vector4d(double x, double y, double z, double w)` Constructs and initializes a Vector4d from the specified xyzw coordinates.
`Vector4d(Tuple3d t1)` Constructs and initializes a Vector4d from the specified Tuple3d.
`Vector4d(Tuple4d t1)` Constructs and initializes a Vector4d from the specified Tuple4d.
`Vector4d(Tuple4f t1)` Constructs and initializes a Vector4d from the specified Tuple4f.
`Vector4d(Vector4d v1)` Constructs and initializes a Vector4d from the specified Vector4d.
`Vector4d(Vector4f v1)` Constructs and initializes a Vector4d from the specified Vector4f.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double`	`angle(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].
`double`	`dot(Vector4d v1)` Returns the dot product of this vector and vector v1.
`double`	`length()` Returns the length of this vector.
`double`	`lengthSquared()` Returns the squared length of this vector.
`void`	`normalize()` Normalizes this vector in place.
`void`	`normalize(Vector4d v1)` Sets the value of this vector to the normalization of vector v1.
`void`	`set(Tuple3d t1)` Sets the x,y,z components of this vector to the corresponding components of tuple t1.

Methods inherited from class org.scijava.vecmath.Tuple4d
absolute, absolute, add, add, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getW, getX, getY, getZ, hashCode, interpolate, interpolate, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, scaleAdd, set, set, set, set, setW, setX, setY, setZ, sub, sub, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - 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
  - Vector4d
```
public Vector4d(double[] v)
```
    Constructs and initializes a Vector4d from the coordinates contained in the array.
    
    Parameters:
    
    v - the array of length 4 containing xyzw in order
  - Vector4d
```
public Vector4d(Vector4d v1)
```
    Constructs and initializes a Vector4d from the specified Vector4d.
    
    Parameters:
    
    v1 - the Vector4d containing the initialization x y z w data
  - Vector4d
```
public Vector4d(Vector4f v1)
```
    Constructs and initializes a Vector4d from the specified Vector4f.
    
    Parameters:
    
    v1 - the Vector4f containing the initialization x y z w data
  - Vector4d
```
public Vector4d(Tuple4f t1)
```
    Constructs and initializes a Vector4d from the specified Tuple4f.
    
    Parameters:
    
    t1 - the Tuple4f containing the initialization x y z w data
  - Vector4d
```
public Vector4d(Tuple4d t1)
```
    Constructs and initializes a Vector4d from the specified Tuple4d.
    
    Parameters:
    
    t1 - the Tuple4d containing the initialization x y z w data
  - Vector4d
```
public Vector4d(Tuple3d t1)
```
    Constructs and initializes a Vector4d from the specified Tuple3d. The x,y,z components of this vector are set to the corresponding components of tuple t1. The w component of this vector is set to 0.
    
    Parameters:
    
    t1 - the tuple to be copied
    
    Since:
    
    vecmath 1.2
  - Vector4d
```
public Vector4d()
```
    Constructs and initializes a Vector4d to (0,0,0,0).
- Method Detail
  - set
```
public final void set(Tuple3d t1)
```
    Sets the x,y,z components of this vector to the corresponding components of tuple t1. The w component of this vector is set to 0.
    
    Parameters:
    
    t1 - the tuple to be copied
    
    Since:
    
    vecmath 1.2
  - length
```
public final double length()
```
    Returns the length of this vector.
    
    Returns:
    
    the length of this vector
  - lengthSquared
```
public final double lengthSquared()
```
    Returns the squared length of this vector.
    
    Returns:
    
    the squared length of this vector
  - dot
```
public final double dot(Vector4d v1)
```
    Returns the dot product of this vector and vector v1.
    
    Parameters:
    
    v1 - the other vector
    
    Returns:
    
    the dot product of this vector and vector v1
  - normalize
```
public final void normalize(Vector4d v1)
```
    Sets the value of this vector to the normalization of vector v1.
    
    Parameters:
    
    v1 - the un-normalized vector
  - normalize
```
public final void normalize()
```
    Normalizes this vector in place.
  - angle
```
public final double angle(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]

Class Vector4d

Field Summary

Fields inherited from class org.scijava.vecmath.Tuple4d

Constructor Summary

Method Summary

Methods inherited from class org.scijava.vecmath.Tuple4d

Methods inherited from class java.lang.Object

Constructor Detail

Vector4d

Vector4d

Vector4d

Vector4d

Vector4d

Vector4d

Vector4d

Vector4d

Method Detail

set

length

lengthSquared

dot

normalize

normalize

angle