Quat4f (Java 3D Javadocs 0-SNAPSHOT API)

java.lang.Object
- org.scijava.vecmath.Tuple4f
- - org.scijava.vecmath.Quat4f

All Implemented Interfaces:

Serializable, Cloneable
```
public class Quat4f
extends Tuple4f
implements Serializable
```
A 4 element unit quaternion represented by single precision floating point x,y,z,w coordinates. The quaternion is always normalized.

See Also:

Serialized Form

Field Summary
- Fields inherited from class org.scijava.vecmath.Tuple4f
  w, x, y, z

Constructor Summary

Constructors
Constructor and Description
`Quat4f()` Constructs and initializes a Quat4f to (0.0,0.0,0.0,0.0).
`Quat4f(float[] q)` Constructs and initializes a Quat4f from the array of length 4.
`Quat4f(float x, float y, float z, float w)` Constructs and initializes a Quat4f from the specified xyzw coordinates.
`Quat4f(Quat4d q1)` Constructs and initializes a Quat4f from the specified Quat4d.
`Quat4f(Quat4f q1)` Constructs and initializes a Quat4f from the specified Quat4f.
`Quat4f(Tuple4d t1)` Constructs and initializes a Quat4f from the specified Tuple4d.
`Quat4f(Tuple4f t1)` Constructs and initializes a Quat4f from the specified Tuple4f.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`conjugate()` Sets the value of this quaternion to the conjugate of itself.
`void`	`conjugate(Quat4f q1)` Sets the value of this quaternion to the conjugate of quaternion q1.
`void`	`interpolate(Quat4f q1, float alpha)` Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.
`void`	`interpolate(Quat4f q1, Quat4f q2, float alpha)` Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.
`void`	`inverse()` Sets the value of this quaternion to the quaternion inverse of itself.
`void`	`inverse(Quat4f q1)` Sets the value of this quaternion to quaternion inverse of quaternion q1.
`void`	`mul(Quat4f q1)` Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).
`void`	`mul(Quat4f q1, Quat4f q2)` Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2).
`void`	`mulInverse(Quat4f q1)` Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion.
`void`	`mulInverse(Quat4f q1, Quat4f q2)` Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion.
`void`	`normalize()` Normalizes the value of this quaternion in place.
`void`	`normalize(Quat4f q1)` Sets the value of this quaternion to the normalized value of quaternion q1.
`void`	`set(AxisAngle4d a)` Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.
`void`	`set(AxisAngle4f a)` Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.
`void`	`set(Matrix3d m1)` Sets the value of this quaternion to the rotational component of the passed matrix.
`void`	`set(Matrix3f m1)` Sets the value of this quaternion to the rotational component of the passed matrix.
`void`	`set(Matrix4d m1)` Sets the value of this quaternion to the rotational component of the passed matrix.
`void`	`set(Matrix4f m1)` Sets the value of this quaternion to the rotational component of the passed matrix.

Methods inherited from class org.scijava.vecmath.Tuple4f
absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getW, getX, getY, getZ, hashCode, interpolate, interpolate, negate, negate, scale, scale, 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
  - Quat4f
```
public Quat4f(float x,
              float y,
              float z,
              float w)
```
    Constructs and initializes a Quat4f from the specified xyzw coordinates.
    
    Parameters:
    
    x - the x coordinate
    
    y - the y coordinate
    
    z - the z coordinate
    
    w - the w scalar component
  - Quat4f
```
public Quat4f(float[] q)
```
    Constructs and initializes a Quat4f from the array of length 4.
    
    Parameters:
    
    q - the array of length 4 containing xyzw in order
  - Quat4f
```
public Quat4f(Quat4f q1)
```
    Constructs and initializes a Quat4f from the specified Quat4f.
    
    Parameters:
    
    q1 - the Quat4f containing the initialization x y z w data
  - Quat4f
```
public Quat4f(Quat4d q1)
```
    Constructs and initializes a Quat4f from the specified Quat4d.
    
    Parameters:
    
    q1 - the Quat4d containing the initialization x y z w data
  - Quat4f
```
public Quat4f(Tuple4f t1)
```
    Constructs and initializes a Quat4f from the specified Tuple4f.
    
    Parameters:
    
    t1 - the Tuple4f containing the initialization x y z w data
  - Quat4f
```
public Quat4f(Tuple4d t1)
```
    Constructs and initializes a Quat4f from the specified Tuple4d.
    
    Parameters:
    
    t1 - the Tuple4d containing the initialization x y z w data
  - Quat4f
```
public Quat4f()
```
    Constructs and initializes a Quat4f to (0.0,0.0,0.0,0.0).
- Method Detail
  - conjugate
```
public final void conjugate(Quat4f q1)
```
    Sets the value of this quaternion to the conjugate of quaternion q1.
    
    Parameters:
    
    q1 - the source vector
  - conjugate
```
public final void conjugate()
```
    Sets the value of this quaternion to the conjugate of itself.
  - mul
```
public final void mul(Quat4f q1,
                      Quat4f q2)
```
    Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2). Note that this is safe for aliasing (e.g. this can be q1 or q2).
    
    Parameters:
    
    q1 - the first quaternion
    
    q2 - the second quaternion
  - mul
```
public final void mul(Quat4f q1)
```
    Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).
    
    Parameters:
    
    q1 - the other quaternion
  - mulInverse
```
public final void mulInverse(Quat4f q1,
                             Quat4f q2)
```
    Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion. The value of both argument quaternions is preservered (this = q1 * q2^-1).
    
    Parameters:
    
    q1 - the first quaternion
    
    q2 - the second quaternion
  - mulInverse
```
public final void mulInverse(Quat4f q1)
```
    Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion. The value of the argument quaternion is preserved (this = this * q^-1).
    
    Parameters:
    
    q1 - the other quaternion
  - inverse
```
public final void inverse(Quat4f q1)
```
    Sets the value of this quaternion to quaternion inverse of quaternion q1.
    
    Parameters:
    
    q1 - the quaternion to be inverted
  - inverse
```
public final void inverse()
```
    Sets the value of this quaternion to the quaternion inverse of itself.
  - normalize
```
public final void normalize(Quat4f q1)
```
    Sets the value of this quaternion to the normalized value of quaternion q1.
    
    Parameters:
    
    q1 - the quaternion to be normalized.
  - normalize
```
public final void normalize()
```
    Normalizes the value of this quaternion in place.
  - set
```
public final void set(Matrix4f m1)
```
    Sets the value of this quaternion to the rotational component of the passed matrix.
    
    Parameters:
    
    m1 - the Matrix4f
  - set
```
public final void set(Matrix4d m1)
```
    Sets the value of this quaternion to the rotational component of the passed matrix.
    
    Parameters:
    
    m1 - the Matrix4d
  - set
```
public final void set(Matrix3f m1)
```
    Sets the value of this quaternion to the rotational component of the passed matrix.
    
    Parameters:
    
    m1 - the Matrix3f
  - set
```
public final void set(Matrix3d m1)
```
    Sets the value of this quaternion to the rotational component of the passed matrix.
    
    Parameters:
    
    m1 - the Matrix3d
  - set
```
public final void set(AxisAngle4f a)
```
    Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.
    
    Parameters:
    
    a - the AxisAngle to be emulated
  - set
```
public final void set(AxisAngle4d a)
```
    Sets the value of this quaternion to the equivalent rotation of the AxisAngle argument.
    
    Parameters:
    
    a - the AxisAngle to be emulated
  - interpolate
```
public final void interpolate(Quat4f q1,
                              float alpha)
```
    Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.
    
    Parameters:
    
    q1 - the other quaternion
    
    alpha - the alpha interpolation parameter
  - interpolate
```
public final void interpolate(Quat4f q1,
                              Quat4f q2,
                              float alpha)
```
    Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.
    
    Parameters:
    
    q1 - the first quaternion
    
    q2 - the second quaternion
    
    alpha - the alpha interpolation parameter

Class Quat4f

Field Summary

Fields inherited from class org.scijava.vecmath.Tuple4f

Constructor Summary

Method Summary

Methods inherited from class org.scijava.vecmath.Tuple4f

Methods inherited from class java.lang.Object

Constructor Detail

Quat4f

Quat4f

Quat4f

Quat4f

Quat4f

Quat4f

Quat4f

Method Detail

conjugate

conjugate

mul

mul

mulInverse

mulInverse

inverse

inverse

normalize

normalize

set

set

set

set

set

set

interpolate

interpolate