Package org.rcsb.strucmotif.domain

Class Transformation

java.lang.Object

org.rcsb.strucmotif.domain.Transformation

public class Transformation
extends Object

A transformation described by a 4x4 matrix.

Field Summary

Fields

Modifier and Type	Field	Description
static final float[][]	IDENTITY_MATRIX_4D	Neutral/identity transformation.
static final Transformation	IDENTITY_TRANSFORMATION

Method Summary

Modifier and Type	Method	Description
float[]	getFlattenedTransformation()	The flattened transformation operation (row-major indexing).
float[][]	getTransformationMatrix()	The actual transformation matrix.
static Transformation	of(float[][] transformation)
void	transform(float[] out, float[] v)	Transform a vector.

Methods inherited from class java.lang.Object

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

Field Details

IDENTITY_MATRIX_4D

public static final float[][] IDENTITY_MATRIX_4D

Neutral/identity transformation.

IDENTITY_TRANSFORMATION

public static final Transformation IDENTITY_TRANSFORMATION

Method Details

of

public static Transformation of(float[][] transformation)

getTransformationMatrix

public float[][] getTransformationMatrix()

The actual transformation matrix.

Returns:

a 4x4 transformation matrix

getFlattenedTransformation

public float[] getFlattenedTransformation()

The flattened transformation operation (row-major indexing).

Returns:

a vector of 16 values

transform

public void transform(float[] out,
 float[] v)

Transform a vector.

Parameters:

out - the output

v - the vector to transform