org.gvsig.raster.impl.datastruct

Class DefaultViewPortData

java.lang.Object

org.gvsig.raster.impl.datastruct.DefaultViewPortData

All Implemented Interfaces:

Projected, ViewPortData

public class DefaultViewPortData
extends Object
implements ViewPortData

Datos de vista sobre las capas. Mantiene un conjunto de datos necesarios, que describen el modo de ver las capas actual.

Field Summary

Fields

Modifier and Type	Field and Description
AffineTransform	mat Transformación afín usada en la vista actual.
Point2D	pxSize Información de tamaño en pixeles.

Constructor Summary

Constructors

Constructor and Description
DefaultViewPortData()
DefaultViewPortData(IProjection proj, Extent extent, Dimension2D size)

Method Summary

Modifier and Type	Method and Description
void	calculateAffineTransform() Calcula la transformación afín.
void	centerAt(Point2D pt) Centrar en un punto.
Object	clone()
Point2D	getCenter()
int	getDPI()
Extent	getExtent()
double	getHeight() Obtiene el alto de la vista
AffineTransform	getMat()
IProjection	getProjection() Returns the current projection.
Dimension2D	getSize() Obtiene el tamaño de la vista
Time	getTime() Gets the time information of the viewport requested
double	getWidth() Obtiene el ancho de la vista
void	pan(Point2D ptIni, Point2D ptFin) Desplaza la vista actual.
void	reExtent()
void	reProject(ICoordTrans rp) Changes projection of the graphical information of this object.
void	setCoordSys(IProjection cs)
void	setDPI(int dpi)
void	setExtent(Dimension2D sz)
void	setExtent(Extent ext) Asigna la extensión del raster
void	setMat(AffineTransform mat)
void	setProjection(IProjection proj)
void	setSize(Dimension2D sz)
void	setSize(double w, double h) Asigna el ancho y alto de la vista
void	setTime(Time time) Sets the time information of the viewport requested
void	zoom(double zx, double zy, Point2D pt)
void	zoom(double zoom, Point2D pt) zoom centrado en un punto.
void	zoom(Extent extent) zoom a un marco.
void	zoomToCenter(double f) Zoom a una escala (geográfica);

Methods inherited from class java.lang.Object

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

Field Detail

mat

public AffineTransform mat

Transformación afín usada en la vista actual.

pxSize

public Point2D pxSize

Información de tamaño en pixeles. Esta no es calculada. Solo se almacena si el usuario la necesita.

Constructor Detail

DefaultViewPortData

public DefaultViewPortData()

DefaultViewPortData

public DefaultViewPortData(IProjection proj,
                           Extent extent,
                           Dimension2D size)

Method Detail

getProjection

public IProjection getProjection()

Description copied from interface: Projected

Returns the current projection.

Specified by:

getProjection in interface Projected

Specified by:

getProjection in interface ViewPortData

Returns:

current projection

See Also:

Projected.reProject(ICoordTrans)

setProjection

public void setProjection(IProjection proj)

Specified by:

setProjection in interface ViewPortData

reProject

public void reProject(ICoordTrans rp)

Description copied from interface: Projected

Changes projection of the graphical information of this object.

Specified by:

reProject in interface Projected

Specified by:

reProject in interface ViewPortData

Parameters:

rp - transformation coordinates for obtaining the new projection

See Also:

Projected.getProjection()

setCoordSys

public void setCoordSys(IProjection cs)

Specified by:

setCoordSys in interface ViewPortData

getMat

public AffineTransform getMat()

Specified by:

getMat in interface ViewPortData

setMat

public void setMat(AffineTransform mat)

Specified by:

setMat in interface ViewPortData

clone

public Object clone()

Specified by:

clone in interface ViewPortData

Overrides:

clone in class Object

getWidth

public double getWidth()

Obtiene el ancho de la vista

Specified by:

getWidth in interface ViewPortData

Returns:

getHeight

public double getHeight()

Obtiene el alto de la vista

Specified by:

getHeight in interface ViewPortData

Returns:

getSize

public Dimension2D getSize()

Obtiene el tamaño de la vista

Specified by:

getSize in interface ViewPortData

setSize

public void setSize(double w,
                    double h)

Asigna el ancho y alto de la vista

Specified by:

setSize in interface ViewPortData

Parameters:

w - Ancho

h - Alto

setSize

public void setSize(Dimension2D sz)

Specified by:

setSize in interface ViewPortData

getExtent

public Extent getExtent()

Specified by:

getExtent in interface ViewPortData

setExtent

public void setExtent(Dimension2D sz)

Specified by:

setExtent in interface ViewPortData

setExtent

public void setExtent(Extent ext)

Asigna la extensión del raster

Specified by:

setExtent in interface ViewPortData

Parameters:

ext - Extent

reExtent

public void reExtent()

Specified by:

reExtent in interface ViewPortData

setDPI

public void setDPI(int dpi)

Specified by:

setDPI in interface ViewPortData

getDPI

public int getDPI()

Specified by:

getDPI in interface ViewPortData

zoom

public void zoom(Extent extent)

zoom a un marco.

Specified by:

zoom in interface ViewPortData

Parameters:

extent -

zoom

public void zoom(double zoom,
                 Point2D pt)

zoom centrado en un punto.

Specified by:

zoom in interface ViewPortData

Parameters:

zoom -

pt -

zoom

public void zoom(double zx,
                 double zy,
                 Point2D pt)

Specified by:

zoom in interface ViewPortData

zoomToCenter

public void zoomToCenter(double f)

Zoom a una escala (geográfica);

Specified by:

zoomToCenter in interface ViewPortData

Parameters:

scale -

centerAt

public void centerAt(Point2D pt)

Centrar en un punto.

Specified by:

centerAt in interface ViewPortData

Parameters:

pt -

pan

public void pan(Point2D ptIni,
                Point2D ptFin)

Desplaza la vista actual.

Specified by:

pan in interface ViewPortData

Parameters:

pt -

getCenter

public Point2D getCenter()

Specified by:

getCenter in interface ViewPortData

calculateAffineTransform

public void calculateAffineTransform()

Calcula la transformación afín.

Specified by:

calculateAffineTransform in interface ViewPortData

getTime

public Time getTime()

Description copied from interface: ViewPortData

Gets the time information of the viewport requested

Specified by:

getTime in interface ViewPortData

Returns:

setTime

public void setTime(Time time)

Description copied from interface: ViewPortData

Sets the time information of the viewport requested

Specified by:

setTime in interface ViewPortData