jplot3d

Class Projector

java.lang.Object

jplot3d.Projector

public final class Projector
extends Object

The class Projector projects points in 3D space to 2D space.

Method Summary

Modifier and Type	Method and Description
int	get2D_xTranslation() Gets the 2D x translation.
int	get2D_yTranslation() Gets the 2D y translation.
float	get2DScaling() Gets the 2D scaling factor.
float	getCosElevationAngle() Gets the cosine of elevation angle.
float	getCosRotationAngle() Gets the cosine of rotation angle.
float	getDistance() Gets the projector distance.
float	getElevationAngle() Gets current elevation angle.
float	getRotationAngle() Gets current rotation angle.
float	getSinElevationAngle() Gets the sine of elevation angle.
float	getSinRotationAngle() Gets the sine of rotation angle.
float	getXScaling() Gets the scaling factor in x direction.
float	getYScaling() Gets the scaling factor in y direction.
float	getZScaling() Gets the scaling factor in z direction.
Point	project(float x, float y, float z) Projects 3D points.
void	set2D_xTranslation(int x) Sets the 2D x translation.
void	set2D_yTranslation(int y) Sets the 2D y translation.
void	set2DScaling(float scaling) Sets the 2D scaling factor.
void	set2DTranslation(int x, int y) Sets the 2D translation.
void	setDistance(float new_distance) Sets the projector distance.
void	setElevationAngle(float angle) Sets the elevation angle.
void	setProjectionArea(Rectangle r) Sets the projection area.
void	setRotationAngle(float angle) Sets the rotation angle.
void	setScaling(float scaling) Sets the same scaling factor for all direction.
void	setScaling(float x, float y, float z) Sets the scaling factor in all direction.
void	setXScaling(float scaling) Sets the scaling factor in x direction.
void	setYScaling(float scaling) Sets the scaling factor in y direction.
void	setZRange(float zmin, float zmax)
void	setZScaling(float scaling) Sets the scaling factor in z direction.

Methods inherited from class java.lang.Object

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

Method Detail

setProjectionArea

public void setProjectionArea(Rectangle r)

Sets the projection area.

Parameters:

r - the projection area

setRotationAngle

public void setRotationAngle(float angle)

Sets the rotation angle.

Parameters:

angle - the rotation angle in degrees

getRotationAngle

public float getRotationAngle()

Gets current rotation angle.

Returns:

the rotation angle in degrees.

getSinRotationAngle

public float getSinRotationAngle()

Gets the sine of rotation angle.

Returns:

the sine of rotation angle

getCosRotationAngle

public float getCosRotationAngle()

Gets the cosine of rotation angle.

Returns:

the cosine of rotation angle

setElevationAngle

public void setElevationAngle(float angle)

Sets the elevation angle.

Parameters:

angle - the elevation angle in degrees

getElevationAngle

public float getElevationAngle()

Gets current elevation angle.

Returns:

the elevation angle in degrees.

getSinElevationAngle

public float getSinElevationAngle()

Gets the sine of elevation angle.

Returns:

the sine of elevation angle

getCosElevationAngle

public float getCosElevationAngle()

Gets the cosine of elevation angle.

Returns:

the cosine of elevation angle

setDistance

public void setDistance(float new_distance)

Sets the projector distance.

Parameters:

new_distance - the new distance

getDistance

public float getDistance()

Gets the projector distance.

Returns:

the projector distance

setXScaling

public void setXScaling(float scaling)

Sets the scaling factor in x direction.

Parameters:

scaling - the scaling factor

getXScaling

public float getXScaling()

Gets the scaling factor in x direction.

Returns:

the scaling factor

setYScaling

public void setYScaling(float scaling)

Sets the scaling factor in y direction.

Parameters:

scaling - the scaling factor

getYScaling

public float getYScaling()

Gets the scaling factor in y direction.

Returns:

the scaling factor

setZScaling

public void setZScaling(float scaling)

Sets the scaling factor in z direction.

Parameters:

scaling - the scaling factor

getZScaling

public float getZScaling()

Gets the scaling factor in z direction.

Returns:

the scaling factor

setScaling

public void setScaling(float x,
                       float y,
                       float z)

Sets the scaling factor in all direction.

Parameters:

x - the scaling factor in x direction

y - the scaling factor in y direction

z - the scaling factor in z direction

setScaling

public void setScaling(float scaling)

Sets the same scaling factor for all direction.

Parameters:

scaling - the scaling factor

set2DScaling

public void set2DScaling(float scaling)

Sets the 2D scaling factor.

Parameters:

scaling - the scaling factor

get2DScaling

public float get2DScaling()

Gets the 2D scaling factor.

Returns:

the scaling factor

set2DTranslation

public void set2DTranslation(int x,
                             int y)

Sets the 2D translation.

Parameters:

x - the x translation

y - the y translation

set2D_xTranslation

public void set2D_xTranslation(int x)

Sets the 2D x translation.

Parameters:

x - the x translation

get2D_xTranslation

public int get2D_xTranslation()

Gets the 2D x translation.

Returns:

the x translation

set2D_yTranslation

public void set2D_yTranslation(int y)

Sets the 2D y translation.

Parameters:

y - the y translation

get2D_yTranslation

public int get2D_yTranslation()

Gets the 2D y translation.

Returns:

the y translation

project

public final Point project(float x,
                           float y,
                           float z)

Projects 3D points.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

setZRange

public void setZRange(float zmin,
                      float zmax)