Package org.meteoinfo.chart.plot3d

Class Projector

java.lang.Object

org.meteoinfo.chart.plot3d.Projector

public final class Projector
extends java.lang.Object

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

Constructor Summary

Constructors

Constructor	Description
Projector()	The constructor of Projector.

Method Summary

Modifier and Type	Method	Description
int	get2D_xTranslation()	Gets the 2D x translation.
int	get2D_yTranslation()	Gets the 2D y translation.
java.awt.Rectangle	getBounds()	Get bounds
java.awt.Rectangle	getBounds_noScale()	Get bounds without scale
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	getX2DScaling()	Gets the x 2D scaling factor.
float	getXScaling()	Gets the scaling factor in x direction.
float	getY2DScaling()	Gets the x 2D scaling factor.
float	getYScaling()	Gets the scaling factor in y direction.
float	getZScaling()	Gets the scaling factor in z direction.
java.awt.Point	project(float x, float y, float z)	Projects 3D points.
java.awt.Point	project_noScale(float x, float y, float z)	Projects 3D points without scaling.
double[]	projectAL(float x1, float y1, float z1, float x2, float y2, float z2)	Project angle and length from two 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(java.awt.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	setX2DScaling(float scaling)	Sets the x 2D scaling factor.
void	setXScaling(float scaling)	Sets the scaling factor in x direction.
void	setY2DScaling(float scaling)	Sets the 2D scaling factor.
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.
void	update2DScaling()	Update 2D scaling

Methods inherited from class java.lang.Object

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

Constructor Detail

Projector

public Projector()

The constructor of Projector.

Method Detail

setProjectionArea

public void setProjectionArea(java.awt.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

setX2DScaling

public void setX2DScaling(float scaling)

Sets the x 2D scaling factor.

Parameters:

scaling - the x scaling factor

setY2DScaling

public void setY2DScaling(float scaling)

Sets the 2D scaling factor.

Parameters:

scaling - the scaling factor

getX2DScaling

public float getX2DScaling()

Gets the x 2D scaling factor.

Returns:

the x scaling factor

getY2DScaling

public float getY2DScaling()

Gets the x 2D scaling factor.

Returns:

the x 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 java.awt.Point project(float x,
                                    float y,
                                    float z)

Projects 3D points.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

Returns:

Projected point

projectAL

public double[] projectAL(float x1,
                          float y1,
                          float z1,
                          float x2,
                          float y2,
                          float z2)

Project angle and length from two points

Parameters:

x1 - Point 1 x

y1 - Point 1 y

z1 - Point 1 z

x2 - Point 2 x

y2 - Point 2 y

z2 - Point 2 z

Returns:

Angle and length

project_noScale

public final java.awt.Point project_noScale(float x,
                                            float y,
                                            float z)

Projects 3D points without scaling.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

Returns:

Projected point

setZRange

public void setZRange(float zmin,
                      float zmax)

getBounds

public java.awt.Rectangle getBounds()

Get bounds

Returns:

Bounds rectangle

getBounds_noScale

public java.awt.Rectangle getBounds_noScale()

Get bounds without scale

Returns:

Bounds rectangle

update2DScaling

public void update2DScaling()

Update 2D scaling