org.gvsig.crs

Class Crs

java.lang.Object

org.gvsig.crs.Crs

All Implemented Interfaces:

Cloneable, IProjection, ICrs

public class Crs
extends Object
implements ICrs

Clase que construye el CRS a partir de la cadena WKT

Constructor Summary

Constructors

Constructor and Description
Crs(int epsgCode, int aut)
Crs(int epsg_cod, String code) Construye un CRS a partir del código EPSG o de la cadena WKT.
Crs(int epsg_cod, String code, String params) Construye un CRS a partir del código EPSG o de la cadena WKT.
Crs(SpatialReference spatialReference)

Method Summary

Modifier and Type	Method and Description
void	changeTrans(String code)
Object	clone() Creates a copy of the object.
Point2D	createPoint(double x, double y)
void	drawGrid(Graphics2D g, ViewPortData vp)
boolean	equals(Object obj)
String	export(String format) Return the string representation of projection in the format.
Point2D	fromGeo(Point2D gPt, Point2D mPt)
String	getAbrev()
int	getCode() Código del CRS
CrsProj	getCrsProj()
CrsWkt	getCrsWkt() Campos de la cadena wkt
ICoordTrans	getCT(IProjection dest) Crea un ICoordTrans para transformar coordenadas desde el IProjection actual al dest.
IDatum	getDatum()
Rectangle2D	getExtent(Rectangle2D extent, double scale, double wImage, double hImage, double mapUnits, double distanceUnits, double dpi)
String	getFullCode() Devuelve getAbrev() mas los parametros de transformacion si los hay ej.: (EPSG:23030:proj@+proj...@...)
Color	getGridColor()
String	getProj4String()
double	getScale(double minX, double maxX, double width, double dpi) First two parameters must be in meters.
double	getScale(double minX, double maxX, double minY, double maxY, double width, double dpi)
String	getSourceTransformationParams() Devuelve los parametros de la transformacion del crs fuente
String	getTargetTransformationParams() Devuelve los parametros de la transformacion del crs destino
String	getTransformationParams()
String	getWKT() Cadena WKT del CRS utilizado
int	hashCode()
boolean	isProjected()
protected void	setAbrev(String code)
void	setCode(int epsg_cod)
void	setGridColor(Color c)
void	setName(String nom)
void	setTrans(String code)
void	setTransformationParams(String sourceParams, String targetParams) Establece los parámetros de transformación para el CRS fuente y para el destino
void	setWKT(String wkt)
Point2D	toGeo(Point2D pt)
String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Crs

public Crs(SpatialReference spatialReference)

Parameters:

spatialReference -

Crs

public Crs(int epsgCode,
           int aut)
    throws CrsException

Parameters:

epsgCode -

aut -

Throws:

CrsException

Crs

public Crs(int epsg_cod,
           String code)
    throws CrsException

Construye un CRS a partir del código EPSG o de la cadena WKT.

Parameters:

epsg_cod -

code -

Throws:

CrsException

Crs

public Crs(int epsg_cod,
           String code,
           String params)
    throws CrsException

Construye un CRS a partir del código EPSG o de la cadena WKT. En el caso de WKT le añade a la cadena proj4 el string params.

Parameters:

epsg_cod -

code -

params -

Throws:

CrsException

Method Detail

setTrans

public void setTrans(String code)

Parameters:

code -

changeTrans

public void changeTrans(String code)

Parameters:

code -

getAbrev

public String getAbrev()

Specified by:

getAbrev in interface IProjection

setAbrev

protected void setAbrev(String code)

Parameters:

code -

setName

public void setName(String nom)

Parameters:

nom -

getDatum

public IDatum getDatum()

Specified by:

getDatum in interface IProjection

Returns:

datum

getCrsWkt

public CrsWkt getCrsWkt()

Description copied from interface: ICrs

Campos de la cadena wkt

Specified by:

getCrsWkt in interface ICrs

Returns:

CrsWkt

setWKT

public void setWKT(String wkt)

Parameters:

wkt -

getWKT

public String getWKT()

Description copied from interface: ICrs

Cadena WKT del CRS utilizado

Specified by:

getWKT in interface ICrs

Returns:

wkt

setTransformationParams

public void setTransformationParams(String sourceParams,
                                    String targetParams)

Description copied from interface: ICrs

Establece los parámetros de transformación para el CRS fuente y para el destino

Specified by:

setTransformationParams in interface ICrs

Parameters:

params -

getSourceTransformationParams

public String getSourceTransformationParams()

Devuelve los parametros de la transformacion del crs fuente

Specified by:

getSourceTransformationParams in interface ICrs

Returns:

source transformation parameters

getTargetTransformationParams

public String getTargetTransformationParams()

Devuelve los parametros de la transformacion del crs destino

Specified by:

getTargetTransformationParams in interface ICrs

Returns:

target transformation parameters

getTransformationParams

public String getTransformationParams()

Returns:

transformation parameters

getCrsProj

public CrsProj getCrsProj()

Specified by:

getCrsProj in interface ICrs

Returns:

CrsProj

createPoint

public Point2D createPoint(double x,
                           double y)

Specified by:

createPoint in interface IProjection

Parameters:

x -

y -

Returns:

a Point2D

drawGrid

public void drawGrid(Graphics2D g,
                     ViewPortData vp)

Specified by:

drawGrid in interface IProjection

Parameters:

g -

vp -

setGridColor

public void setGridColor(Color c)

Specified by:

setGridColor in interface IProjection

Parameters:

c -

getGridColor

public Color getGridColor()

Specified by:

getGridColor in interface IProjection

Returns:

grid color

getCT

public ICoordTrans getCT(IProjection dest)

Description copied from interface: IProjection

Crea un ICoordTrans para transformar coordenadas desde el IProjection actual al dest.

Specified by:

getCT in interface IProjection

Parameters:

dest -

Returns:

Coordinate transformation

toGeo

public Point2D toGeo(Point2D pt)

Specified by:

toGeo in interface IProjection

Parameters:

pt -

Returns:

Point2D

fromGeo

public Point2D fromGeo(Point2D gPt,
                       Point2D mPt)

Specified by:

fromGeo in interface IProjection

Parameters:

gPt -

mPt -

Returns:

Point2D

isProjected

public boolean isProjected()

Specified by:

isProjected in interface IProjection

Returns:

true if is projected

getScale

public double getScale(double minX,
                       double maxX,
                       double width,
                       double dpi)

Description copied from interface: IProjection

First two parameters must be in meters. This should be changed (map units should be used) and then change the places where this method is used.

Specified by:

getScale in interface IProjection

Parameters:

minX -

maxX -

width -

dpi -

Returns:

scale

getScale

public double getScale(double minX,
                       double maxX,
                       double minY,
                       double maxY,
                       double width,
                       double dpi)

Parameters:

minX -

maxX -

minY -

maxY -

width -

dpi -

Returns:

scale

setCode

public void setCode(int epsg_cod)

Parameters:

epsg_cod -

getCode

public int getCode()

Description copied from interface: ICrs

Código del CRS

Specified by:

getCode in interface ICrs

Returns:

espg code

getFullCode

public String getFullCode()

Description copied from interface: IProjection

Devuelve getAbrev() mas los parametros de transformacion si los hay ej.: (EPSG:23030:proj@+proj...@...)

Specified by:

getFullCode in interface IProjection

Returns:

getAbrev() o getAbrev()+parametros

getExtent

public Rectangle2D getExtent(Rectangle2D extent,
                             double scale,
                             double wImage,
                             double hImage,
                             double mapUnits,
                             double distanceUnits,
                             double dpi)

Specified by:

getExtent in interface IProjection

getProj4String

public String getProj4String()
                      throws CrsException

Specified by:

getProj4String in interface ICrs

Returns:

Cadena proj4 Correspondiente al CRS.

Throws:

CrsException

clone

public Object clone()
             throws CloneNotSupportedException

Description copied from interface: Cloneable

Creates a copy of the object.

Overrides:

clone in class Object

Returns:

a copy of the object

Throws:

CloneNotSupportedException - if the instance of the object cannot be cloned. As this is extending Cloneable so its sure it implements it, so this exception may be used for problems on specific object instances.

See Also:

Object#clone()}.

toString

public String toString()

Overrides:

toString in class Object

export

public String export(String format)

Description copied from interface: IProjection

Return the string representation of projection in the format. Return null if can't export to format

Specified by:

export in interface IProjection

Returns:

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object