lt.monarch.chart.chart3D.engine
Class Transformation3D

java.lang.Object
  lt.monarch.chart.chart3D.engine.Transformation3D

public class Transformation3D
extends java.lang.Object

Transforms the coordinates according to the rotation and elevation

Constructor and Description

Transformation3D()
Constructs an instance of Transformation3D with neutral matrix.

Transformation3D(double[][] matrix)
Constructs an instance of Transformation3D with already prepared matrix

Transformation3D(double xScale, double yScale, double zScale, double xShift, double yShift, double zShift, double xRotation, double yRotation, double zRotation)
Constructs an instance of Transformation3D with some parameters specified.

Method Summary

Modifier and Type	Method and Description
double	getXRotation() Retrieves rotation angle about x axis.
double	getXScale() Retrieves scaling value along x axis.
double	getYRotation() Retrieves rotation angle about y axis.
double	getYScale() Retrieves scaling value along y axis.
double	getZRotation() Retrieves rotation angle about z axis.
double	getZScale() Retrieves scaling value along z axis.
Point3D	transform(Point3D vectorPoint, double x, double y, double z) Transforms the point according to transformation matrix
Point3D	transform(Point3D vectorPoint, Point3D anchor) Transforms the point according to transformation matrix
void	transformInplace(Point3D vectorPoint, double x, double y, double z) Transforms the point according to transformation matrix.

Methods inherited from class java.lang.Object

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

Constructor Detail

Transformation3D

public Transformation3D()

Constructs an instance of Transformation3D with neutral matrix.

Transformation3D

public Transformation3D(double[][] matrix)

Constructs an instance of Transformation3D with already prepared matrix

Parameters:

matrix - Prepared/filled matrix

Transformation3D

public Transformation3D(double xScale,
                        double yScale,
                        double zScale,
                        double xShift,
                        double yShift,
                        double zShift,
                        double xRotation,
                        double yRotation,
                        double zRotation)

Constructs an instance of Transformation3D with some parameters specified.

Parameters:

xScale - scaling along x axis

yScale - scaling along y axis

zScale - scaling along z axis

xShift - a shift along x axis

yShift - a shift along y axis

zShift - a shift along z axis

xRotation - rotation about x axis in degrees

yRotation - rotation about y axis in degrees

zRotation - rotation about z axis in degrees

Method Detail

getXRotation

public double getXRotation()

Retrieves rotation angle about x axis.

Returns:

rotation angle in radians

getYRotation

public double getYRotation()

Retrieves rotation angle about y axis.

Returns:

rotation angle in radians

getZRotation

public double getZRotation()

Retrieves rotation angle about z axis.

Returns:

rotation angle in radians

getXScale

public double getXScale()

Retrieves scaling value along x axis.

Returns:

scaling factor

getYScale

public double getYScale()

Retrieves scaling value along y axis.

Returns:

scaling factor

getZScale

public double getZScale()

Retrieves scaling value along z axis.

Returns:

scaling factor

transform

public Point3D transform(Point3D vectorPoint,
                         double x,
                         double y,
                         double z)

Transforms the point according to transformation matrix

Parameters:

vectorPoint - the point to transform

x - x anchor point

y - y anchor point

z - z anchor point

Returns:

transformed point

transformInplace

public void transformInplace(Point3D vectorPoint,
                             double x,
                             double y,
                             double z)

Transforms the point according to transformation matrix. Points values are replaced with transformed values.

Parameters:

vectorPoint - the point to transform

x - x anchor point

y - y anchor point

z - z anchor point

transform

public Point3D transform(Point3D vectorPoint,
                         Point3D anchor)

Transforms the point according to transformation matrix

Parameters:

vectorPoint - the point to transform

anchor - anchor point

Returns:

transformed point