lt.monarch.chart.chart3D.engine
Class SimpleProjector3D

java.lang.Object
  lt.monarch.chart.chart3D.engine.Projector3D
      lt.monarch.chart.chart3D.engine.SimpleProjector3D

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Projector

public class SimpleProjector3D
extends Projector3D
implements java.io.Serializable

3D projector maps Point3D objects into the specified projection area.

See Also:

Serialized Form

Field Summary

Modifier and Type	Field and Description
protected Rectangle2D	area An area to project in.
protected double	chartScaleX A scaling values for chart.
protected double	chartScaleY A scaling values for chart.
protected double	chartScaleZ A scaling values for chart.
protected double	transX Viewing translate coordinates.
protected double	transY Viewing translate coordinates.
protected double	viewScaleX A scaling values for viewing.
protected double	viewScaleY A scaling values for viewing.
protected double	viewScaleZ A scaling values for viewing.

Fields inherited from class lt.monarch.chart.chart3D.engine.Projector3D

elevation, rotation

Constructor and Description

SimpleProjector3D()
Constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone() Returns a copy o the projector.
Point2D	get2DTranslation() Retrieves a translation vector.
Point3D	getCenter() Retrieves a center position.
double	getChartScaleX() Retrieves chart x axis scaling.
double	getChartScaleY() Retrieves chart y axis scaling.
double	getChartScaleZ() Retrieves chart z axis scaling.
Rectangle2D	getProjectionArea() Retrieves a projection area.
Rectangle2D	getProjectionAreaReference() Retrieves a projection area reference.
double	getViewScaleX() Retrieves view x axis scaling.
double	getViewScaleY() Retrieves view y axis scaling.
double	getViewScaleZ() Retrieves view z axis scaling.
void	prepare() Builds the projection matrix.
GeneralPoint	project(GeneralPoint point) Projects a point.
GeneralPoint	project(GeneralPoint point, GeneralPoint pt) Projects a point.
Polygon2D	project(Rectangle2D r) Projects a rectangle.
void	set2DTranslation(double transX, double transY) Sets a translation.
void	setChartXScaling(double scaleX) Sets chart x scale.
void	setChartYScaling(double scaleY) Sets chart y scale.
void	setChartZScaling(double scaleZ) Sets chart z scale.
void	setProjectionArea(Rectangle2D r) Sets a projection area.
void	setRotateAndFlip(boolean rotateAndFlip) Indicates whether to use auxiliary rotation and flipping transformations.
void	setViewScaling(double scaleX, double scaleY, double scaleZ) Sets a scaling for view.

Methods inherited from class lt.monarch.chart.chart3D.engine.Projector3D

getElevationAngle, getRotationAngle, setElevationAngle, setRotationAngle

Methods inherited from class java.lang.Object

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

Field Detail

area

protected Rectangle2D area

An area to project in.

viewScaleX

protected double viewScaleX

A scaling values for viewing.

viewScaleY

protected double viewScaleY

A scaling values for viewing.

viewScaleZ

protected double viewScaleZ

A scaling values for viewing.

chartScaleX

protected double chartScaleX

A scaling values for chart.

chartScaleY

protected double chartScaleY

A scaling values for chart.

chartScaleZ

protected double chartScaleZ

A scaling values for chart.

transX

protected double transX

Viewing translate coordinates.

transY

protected double transY

Viewing translate coordinates.

Constructor Detail

SimpleProjector3D

public SimpleProjector3D()

Constructor.

Method Detail

setProjectionArea

public void setProjectionArea(Rectangle2D r)

Sets a projection area.

Specified by:

setProjectionArea in interface Projector

Parameters:

r - projection area

getProjectionAreaReference

public Rectangle2D getProjectionAreaReference()

Retrieves a projection area reference.

Specified by:

getProjectionAreaReference in interface Projector

Returns:

the projection area

getProjectionArea

public Rectangle2D getProjectionArea()

Retrieves a projection area.

Specified by:

getProjectionArea in interface Projector

Returns:

the projection area

project

public GeneralPoint project(GeneralPoint point)

Projects a point.

Specified by:

project in interface Projector

Parameters:

point - a point to project

Returns:

creates and returns a 2D Point

project

public GeneralPoint project(GeneralPoint point,
                            GeneralPoint pt)

Projects a point.

Specified by:

project in interface Projector

Parameters:

point - a point to project

pt - a template for projected point

Returns:

template value

project

public Polygon2D project(Rectangle2D r)

Projects a rectangle.

Specified by:

project in interface Projector

Parameters:

r - 2D rectangle

Returns:

projected polygon

prepare

public void prepare()

Builds the projection matrix.

Specified by:

prepare in interface Projector

getChartScaleX

public double getChartScaleX()

Retrieves chart x axis scaling.

Returns:

chart x scaling

getViewScaleX

public double getViewScaleX()

Retrieves view x axis scaling.

Returns:

view x scaling

getChartScaleY

public double getChartScaleY()

Retrieves chart y axis scaling.

Returns:

chart y scaling

getViewScaleY

public double getViewScaleY()

Retrieves view y axis scaling.

Returns:

view y scaling

getChartScaleZ

public double getChartScaleZ()

Retrieves chart z axis scaling.

Returns:

chart z scaling

getViewScaleZ

public double getViewScaleZ()

Retrieves view z axis scaling.

Returns:

view z scaling

setChartXScaling

public void setChartXScaling(double scaleX)

Sets chart x scale.

Parameters:

scaleX - x scale

setChartYScaling

public void setChartYScaling(double scaleY)

Sets chart y scale.

Parameters:

scaleY - y scale

setChartZScaling

public void setChartZScaling(double scaleZ)

Sets chart z scale.

Parameters:

scaleZ - z scale

setViewScaling

public void setViewScaling(double scaleX,
                           double scaleY,
                           double scaleZ)

Sets a scaling for view.

Parameters:

scaleX - scaling in x axis

scaleY - scaling in y axis

scaleZ - scaling in z axis

setRotateAndFlip

public void setRotateAndFlip(boolean rotateAndFlip)

Indicates whether to use auxiliary rotation and flipping transformations.

Parameters:

rotateAndFlip - add auxiliary transformations

get2DTranslation

public Point2D get2DTranslation()

Retrieves a translation vector.

Returns:

the translation vector

set2DTranslation

public void set2DTranslation(double transX,
                             double transY)

Sets a translation.

Parameters:

transX - translation along x axis

transY - translation along y axis

getCenter

public Point3D getCenter()

Retrieves a center position.

Returns:

the center position

clone

public java.lang.Object clone()

Returns a copy o the projector.

Specified by:

clone in interface Projector

Overrides:

clone in class Projector3D

Returns:

a copy o the projector