edu.stanford.rsl.conrad.geometry.transforms

Class ScaleRotate

java.lang.Object

edu.stanford.rsl.conrad.geometry.transforms.Transform

edu.stanford.rsl.conrad.geometry.transforms.ScaleRotate

All Implemented Interfaces:

java.io.Serializable

public class ScaleRotate
extends Transform

This is a decorator class for a scale-rotation matrix. it performs a scale-rotate transformation on point and direction vectors.

Author:

Rotimi X Ojo

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ScaleRotate(SimpleMatrix t) Initialize a scale-rotation transform using a rotation matrix

Method Summary

Methods

Modifier and Type	Method and Description
Transform	clone()
SimpleMatrix	getData()
Transform	inverse()
PointND	transform(PointND point) Applies scale-rotate transformation on a given point
SimpleVector	transform(SimpleVector dir) Applies scale-rotate transformation on a given direction

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ScaleRotate

public ScaleRotate(SimpleMatrix t)

Initialize a scale-rotation transform using a rotation matrix

Parameters:

t - is a scale-rotation matrix

Method Detail

transform

public PointND transform(PointND point)

Applies scale-rotate transformation on a given point

Specified by:

transform in class Transform

Parameters:

point - is point to be scale rotated

Returns:

point y = Ax, where A is the scale-rotate matrix wrapped by this class and x is the point to be rotated.

transform

public SimpleVector transform(SimpleVector dir)

Applies scale-rotate transformation on a given direction

Specified by:

transform in class Transform

Parameters:

dir - is direction to be scale rotated.

Returns:

vector y = Ax, where A is the scale-rotate matrix wrapped by this class and x is the vector to be rotated.

inverse

public Transform inverse()

Specified by:

inverse in class Transform

clone

public Transform clone()

Specified by:

clone in class Transform

getData

public SimpleMatrix getData()

Specified by:

getData in class Transform