Application: gvSIG desktop » gvSIG raster

<?xml version="1.0" encoding="ISO-8859-1"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <artifactId>org.gvsig.raster.gdal.io</artifactId>

    <packaging>jar</packaging>

    <name>${project.artifactId}</name>

    <parent>

        <groupId>org.gvsig</groupId>

        <artifactId>org.gvsig.raster.gdal</artifactId>

        <version>2.2.162</version>

    </parent>

    <dependencies>

        <dependency>

            <groupId>org.gdal</groupId>

            <artifactId>gdal</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.raster.cache.lib.api</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.raster.lib.api</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.raster.lib.impl</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.metadata.lib.basic.api</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.remoteclient</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.tools.lib</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.projection.api</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.projection.cresques.impl</artifactId>

            <scope>runtime</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.compat.api</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.compat.se</artifactId>

            <scope>runtime</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.fmap.dal.api</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.fmap.dal.impl</artifactId>

            <scope>runtime</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.fmap.dal.file.lib</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.fmap.dal.spi</artifactId>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>org.gvsig</groupId>

            <artifactId>org.gvsig.fmap.geometry.api</artifactId>

            <scope>compile</scope>

        </dependency>

    </dependencies>

</project>

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.jgdal;

/**

 * Clase que representa una entrada de la tabla de color.

 * @author Nacho Brodin (nachobrodin@gmail.com)

 *

 */

public class GdalColorEntry{

	 /*! gray, red, cyan or hue */

    public short      c1;      

    /*! green, magenta, or lightness */    

    public short      c2;      

    /*! blue, yellow, or saturation */

    public short      c3;      

    /*! alpha or blackband */

    public short      c4;      

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.jgdal;

public class GdalTools {

	static public int CSLFindString(String[] lista, String target) {

		if(lista==null || lista.length==0)return -1;

		for( int i = 0; i<lista.length; i++ ) {

	        if( lista[i].equals(target) )

	            return i;

	    }

	    return -1;

	}

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.jgdal;

public class Options {

	String[] vars;

	String[] datos;

	int longitud;

	int nopc;

   	public Options(int nopciones) {

   		vars=new String[nopciones];

   		datos=new String[nopciones];

   		longitud=nopciones;

   		nopc=0;

   	}

   	public void addOption(String var, String dato) {

   		vars[nopc]=var;

		datos[nopc]=dato;

		nopc++;

   	}

   	public int getSize() {

   		return longitud;

   	}

 }

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

* MA  02110-1301, USA.

*

*/

package org.gvsig.jgdal;

import java.io.IOException;

import java.util.Arrays;

import java.util.Vector;

import org.gdal.gdal.Band;

import org.gdal.gdal.Dataset;

import org.gdal.gdal.Driver;

import org.gdal.gdal.gdal;

import org.gdal.ogr.ogr;

import org.gvsig.jgdal.GeoTransform.GeoTransformException;

import org.gvsig.jogr.OGRTools;

/**

 * Contiene las funcionalidades necesarias para el acceso a los elementos de un

 * dataset de gdal correspondiente a una imagen

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class GdalDataset  {

	// CONSTANTES

	// GDALAccess

	public static int GA_ReadOnly   = 0;

	public static int GA_Update     = 1;

	// GDALDataType

	public static int GDT_Unknown   = 0;

	public static int GDT_Byte      = 1; // Buffer byte (8)

	public static int GDT_UInt16    = 2; // Buffer short (16)

	public static int GDT_Int16     = 3; // Buffer short (16)

	public static int GDT_UInt32    = 4; // Buffer int (32)

	public static int GDT_Int32     = 5; // Buffer int (32)

	public static int GDT_Float32   = 6; // Buffer float (32)

	public static int GDT_Float64   = 7; // Buffer double (64)

	public static int GDT_CInt16    = 8; // Buffer short (16)

	public static int GDT_CInt32    = 9; // Buffer int (32)

	public static int GDT_CFloat32  = 10; // Buffer float (32)

	public static int GDT_CFloat64  = 11; // Buffer double (64)

	public static int GDT_TypeCount = 12;

//	private String    pszFilename ;

	private Dataset dataset;

	/**

	 *Constructor generico

	 */

	public GdalDataset(){

		super();

	}

	public GdalDataset(Dataset dataset){

		super();

		this.dataset = dataset;

	}

	/**

	 * Abre el fichero de imagen.

	 *

	 * @param filename	Nombre del fichero.

	 * @param access	Apertura en solo lectura o escritura.

	 * @throws GdalException

            */

        public void open(String filename, int access) throws GdalException, IOException {

            if (filename == null) {

                throw new IllegalArgumentException("filename is null");

            }

            if ((access < 0) || (access > 1)) {

                throw new GdalException("Access type mistmatch (access="+access+").");

            }

            this.dataset = gdal.Open(filename, access);

            if (this.dataset == null) {

                throw new GdalException("Can't open file '" + filename + "'.");

            }

        }

	/**

	 * Obtiene un array de Strings con los metadatos

	 *

	 * @throws GdalException

	 * @return Array de Strings que corresponden a los metadatos que ofrece la imagen

	 */

	public String[] getMetadata()throws GdalException {

		return getMetadata(null);

	}

	/**

	 * Obtiene un array de Strings con los metadatos

	 *

	 * @throws GdalException

	 * @return Array de Strings que corresponden a los metadatos que ofrece la imagen

	 */

	@SuppressWarnings("unchecked")

    public String[] getMetadata(String domain)throws GdalException {

		@SuppressWarnings("rawtypes")

        Vector res = this.dataset.GetMetadata_List(domain);

		if(res == null)

			return new String[0];

		else

		    return OGRTools.safeVectorToStringArray(res);

	}

	/**

	 * Obtiene el n?mero de bandas de la imagen

	 *

	 * @throws GdalException

	 * @param hBand	Entero que corresponde al n?mero de banda que se quiere recuperar

	 * @return Objeto GdalRasterBand que representa la banda recuperada

	 */

	public GdalRasterBand getRasterBand(int hBand)throws GdalException {

		Band rb;

		if ((hBand < 1) || (hBand > getRasterCount()))

			throw new GdalException("Banda seleccionada incorrecta");

		if (this.dataset == null)

				throw new GdalException("No se ha podido acceder al archivo.");

		rb = this.dataset.GetRasterBand(hBand);

		return new GdalRasterBand(rb);

	}

	/**

	 * Obtiene la dimensi?n del raster en el eje X.

	 *

	 * @return	Devuelve un entero con la longitud de la imagen en el eje X en pixels.

	 */

	public int getRasterXSize() {

		return this.dataset.getRasterXSize();

	}

	/**

	 * Obtiene la dimensi?n del raster en el eje Y.

	 *

	 * @return	Devuelve un entero con la longitud de la imagen en el eje Y en pixels.

	 */

	public int getRasterYSize() {

		return this.dataset.getRasterYSize();

	}

	/**

	 * Obtiene el n?mero de bandas de la imagen

	 *

	 * @return	Devuelve un entero con el n?mero de bandas que contiene la imagen.

	 */

	public int getRasterCount() {

		return this.dataset.getRasterCount();

	}

	/**

	 * Obtiene el vector geoTransform de la imagen que contiene los valores Origen y pixelSize

	 *

	 * @return	Devuelve un vector de doubles que contiene los valores de coordenadas de origen y pixelSize.

	 * @throws GdalException

	 */

        public GeoTransform getGeoTransform() throws GdalException {

            GeoTransform gt = new GeoTransform();

            if (this.dataset == null) {

                throw new GdalException("No se ha podido acceder al archivo.");

            }

            this.dataset.GetGeoTransform(gt.adfgeotransform);

            if (gt.isIdentity()) {

                // The default transform is (0,1,0,0,0,1) and should be returned even when an error occurs,

                // such as for formats that don't support transformation to projection coordinates.

                // http://gdal.org/java/org/gdal/gdal/Dataset.html#GetGeoTransform%28double[]%29

                throw new GeoTransformException("Error en getGeoTransform(). No se han obtenido valores para geoTransform.");

            }

            return gt;

        }

	/**

	 * Obtiene el Nombre corto asociado al driver del dataset

	 *

	 * @return	Cadena con el nombre del driver

	 * @throws GdalException

	 */

	public String getDriverShortName()throws GdalException {

		if (this.dataset == null)

				throw new GdalException("No se ha podido acceder al archivo.");

		String shortName =this.dataset.GetDriver().getShortName();

		if(shortName == null)

			throw new GdalException("Error en getDriverShortName(). No ha podido obtenerse el driver");

		else

			return shortName;

	}

	/**

	 * A?ade el vector geoTransform a la imagen que contiene los valores Origen y pixelSize

	 *

	 * @return	Devuelve un vector de doubles que contiene los valores de coordenadas de origen y pixelSize.

	 * @throws GdalException

	 */

	public void setGeoTransform(GeoTransform gt)throws GdalException {

		if (this.dataset == null)

				throw new GdalException("No se ha podido acceder al archivo.");

		if (gt == null)

			throw new GdalException("el objeto es null");

		@SuppressWarnings("unused")

        int res = this.dataset.SetGeoTransform(gt.adfgeotransform);

	}

	/**

	 * Obtiene el sistema de coordenadas de referencia de la imagen.

	 *

	 * @return	Devuelve un String con los datos del sistema de coordenadas de referencia.

	 * @throws GdalException

	 */

	public String getProjectionRef()throws GdalException {

		if (this.dataset == null)

				throw new GdalException("No se ha podido acceder al archivo.");

		String res = this.dataset.GetProjectionRef();

		if(res == null)return new String("");

		else return res;

	}

	/**

	 * Cierra el fichero de imagen.

	 *

	 * @throws GdalException

	 */

	public void close()throws GdalException {

//		if (cPtr == 0)

//				throw new GdalException("No se ha podido acceder al archivo.");

//

//		closeNat(cPtr);

		this.dataset.delete();

	}

	/**

	 * Obtiene un driver a trav?s de su nombre

	 *

	 * @param name	Nombre del driver

	 */

	public static GdalDriver getDriverByName(String name)throws GdalException {

		if (name == null)

			throw new GdalException("El nombre del driver es null");

		gdal.AllRegister();

		ogr.RegisterAll();

		Driver ptrdrv = gdal.GetDriverByName(name);

		return new GdalDriver(ptrdrv);

	}

	/**

	 * Obtiene el numero de bandas de la imagen

	 *

	 * @return	Devuelve un entero con el numero de bandas que contiene la imagen.

	 * @throws GdalException

	 */

	public int getGCPCount()throws GdalException {

//		String msg1="Error en GDALGetRasterCount. . La llamada GDALOpen no tuvo ?xito";

//		String msg2="Error en el conteo de n?mero de bandas";

		return this.dataset.GetGCPCount();

	}

	public Dataset getDataset(){

		return this.dataset;

	}

	/**

	 *Asigna la proyecci?n especificada en la cadena que se le pasa por par?metro.

	 *@param proj	proyecci?n

	 *@throws GdalException

	 */

	public void setProjection(String proj)throws GdalException {

		if (this.dataset == null)

				throw new GdalException("No se ha podido acceder al archivo.");

		if (proj == null)

				throw new GdalException("La proyeccion es null");

		int res = this.dataset.SetProjection(proj);

		if(res < 0)

			throw new GdalException("Error en setProjection(). No se ha podido asignar la proyecci?n.");

	}

	/**

	 * Obtiene la cadena que representa el tipo de banda de color. Los tipos posibles son:

	 * <UL>

	 *  <LI>0 = "Undefined" </LI>

	 *  <LI>1 = "Gray";</LI>

	 *  <LI>2 = "Palette";</LI>

	 *  <LI>3 = "Red";</LI>

	 *  <LI>4 = "Green";</LI>

	 *  <LI>5 = "Blue";</LI>

	 *  <LI>6 = "Alpha";</LI>

	 *  <LI>7 = "Hue";</LI>

	 *  <LI>8 = "Saturation";</LI>

	 *  <LI>9 = "Lightness";</LI>

	 *  <LI>10 = "Cyan";</LI>

	 *  <LI>11 = "Magenta";</LI>

	 *  <LI>12 = "Yellow";</LI>

	 *  <LI>13 = "Black";</LI>

	 *  <LI>14 = "YCbCr_Y";</LI>

	 *  <LI>15 = "YCbCr_Cb";</LI>

	 *  <LI>16 = "YCbCr_Cr";</LI>

	 * </UL>

	 * @return	Cadena con el nombre del tipo de banda de color

	 * @throws GdalException

	 */

	public String getColorInterpretationName(int colorInterp)throws GdalException {

		if ((colorInterp < 0) || (colorInterp > 16))

			throw new GdalException("Valor de interpretacion de color fuera de rango");

		String bandTypeName = gdal.GetColorInterpretationName(colorInterp);

		if(bandTypeName == null)

			throw new GdalException("Error en getColorInterpretationName(). No ha podido obtenerse el tipo de banda de color");

		else

			return bandTypeName;

	}

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

* MA  02110-1301, USA.

*

*/

package org.gvsig.jgdal;

import java.util.Vector;

import org.gdal.gdal.Band;

import org.gdal.gdal.ColorTable;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Representa a una banda simple de la im�gen o canal.

 *

 * @author Nacho Brodin (nachobrodin@gmail.com).<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es

 * @version 0.0

 * @link http://www.gvsig.gva.es

 */

public class GdalRasterBand {

	public static final Logger logger = LoggerFactory.getLogger(GdalRasterBand.class);

	private boolean hasNoDataValue = false;

    private Band band;

	 public GdalRasterBand(Band band) {

		 this.band = band;

	 }

	 /**

	  * Lee datos de la banda de la imagen

	  *

	  * @return	Devuelve un vector de bytes con el trozo de raster le�do.

	  * @param nXOff	El desplazamiento del pixel desde la esquina superior derecha

	  * de la banda accedida.

	  * @param nYOff	El desplazamiento de l�nea desde la esquina superior derecha

	  * de la banda accedida.

	  * @param nXSize	Ancho de la regi�n en pixels de la banda que ser� accedida

	  * @param nYSize	Altura de la regi�n en l�neas de la banda que ser� accedida

	  * @param bufXSize	Ancho del buffer donde la regi�n de la im�gen ser� guardada

	  * @param bufYSize	Altura del buffer donde la regi�n de la im�gen ser� guardada

	  * En caso de que bufXSize o bufYSize sean menores que 1, pasan a tener el mismo valor que

	  * nXSize y nYSize respectivamente para evitar buffers con tama?o 0.

	  * @param eBufType

	  */

	 public GdalBuffer readRaster(int nXOff, int nYOff, int nXSize, int nYSize,

			 int bufXSize, int bufYSize,

			 int eBufType)throws GdalException {

		 if ((nXOff<0) || (nXOff > getRasterBandXSize()) || (nYOff < 0) || (nYOff > getRasterBandYSize()))

			 throw new GdalException("Desplazamiento de la ventana fuera de rango.");

		 if ((nXSize < 1) || (nXSize > getRasterBandXSize()) || (nYSize<1) || (nYSize > getRasterBandYSize()))

			 throw new GdalException("Tama?o de ventana incorrecto.");

		 if (((nXSize + nXOff) > (getRasterBandXSize())) || ((nYSize + nYOff) > (getRasterBandYSize()))){

			 throw new GdalException("Posicion de la ventana incorrecta.");

		 }

		 if ((eBufType < 1) || (eBufType > 11))

			 throw new GdalException("Tipo de datos incorrecto.");

		 if (bufXSize < 1)

			 bufXSize = nXSize;

		 if (bufYSize < 1)

			 bufYSize = nYSize;

		 GdalBuffer buf = new GdalBuffer();

		 int i = 0;

		 switch(eBufType) {

		 case 0:

			 i = 0;

			 break;

		 case 1:

			 buf.reservaByte(bufXSize * bufYSize);

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffByte);

			 break;

		 case 2:

		 case 3:

		 case 8:

			 buf.reservaShort(bufXSize * bufYSize);

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffShort);

			 break;

		 case 4:

		 case 5:

		 case 9:

			 buf.reservaInt(bufXSize * bufYSize);

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffInt);

			 break;

		 case 6:

		 case 10:

			 buf.reservaFloat(bufXSize * bufYSize);

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffFloat);

			 break;

		 case 7:

		 case 11:

			 buf.reservaDouble(bufXSize * bufYSize);

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffDouble);

			 break;

		 case 12:

			 i = 0;

			 break;

		 }

		 if(i>=0)

			 return buf;

		 else

			 return null;

	 }

	 /**

	  * Escribe datos en la banda de la imagen

	  *

	  * @param nXOff	El desplazamiento del pixel desde la esquina superior derecha

	  * de la banda accedida.

	  * @param nYOff	El desplazamiento de l�nea desde la esquina superior derecha

	  * de la banda accedida.

	  * @param nXSize	Ancho de la regi�n en pixels de la banda que ser� accedida

	  * @param nYSize	Altura de la regi�n en l�neas de la banda que ser� accedida

	  * @param BufXSize	Ancho del buffer donde la regi�n de la im�gen ser� guardada

	  * @param BufYSize	Altura del buffer donde la regi�n de la im�gen ser� guardada

	  * @param eBufType

	  */

	 public void writeRaster(int nXOff, int nYOff, int nXSize, int nYSize, GdalBuffer buf, int eBufType)throws GdalException {

		 GdalBuffer buffer = new GdalBuffer();

		 if ((nXOff < 0) || (nXOff > getRasterBandXSize()) || (nYOff < 0) || (nYOff > getRasterBandYSize()))

			 throw new GdalException("Desplazamiento de la ventana fuera de rango.");

		 if ((nXSize < 1) || (nXSize > getRasterBandXSize()) || (nYSize < 1) || (nYSize > getRasterBandYSize()))

			 throw new GdalException("Tama?o de ventana incorrecto.");

		 if (((nXSize + nXOff) > (getRasterBandXSize())) || ((nYSize + nYOff) > (getRasterBandYSize())))

			 throw new GdalException("Posicion de la ventana incorrecta.");

		 if ((eBufType < 1) || (eBufType > 11))

			 throw new GdalException("Tipo de datos incorrecto.");

		 if (buf == null)

			 throw new GdalException("Buffer incorrecto");

		 switch(eBufType) {

		 case 0:

			 return;

		 case 1:

			 buffer.buffByte = buf.buffByte;

			 break;

		 case 2:

		 case 3:

		 case 8:

			 buffer.buffShort = buf.buffShort;

			 break;

		 case 4:

		 case 5:

		 case 9:

			 buffer.buffInt = buf.buffInt;

			 break;

		 case 6:

		 case 10:

			 buffer.buffFloat = buf.buffFloat;

			 break;

		 case 7:

		 case 11:

			 buffer.buffDouble = buf.buffDouble;

			 break;

		 case 12:

			 return;

		 }

		 switch(eBufType) {

		 case 0:

			 break;

		 case 1:

			 this.band.WriteRaster(nXOff, nYOff, nXSize, nYSize, eBufType, buffer.buffByte);

			 break;

		 case 2:

		 case 3:

		 case 8:

			 this.band.WriteRaster(nXOff, nYOff, nXSize, nYSize, eBufType, buffer.buffShort);

			 break;

		 case 4:

		 case 5:

		 case 9:

			 this.band.WriteRaster(nXOff, nYOff, nXSize, nYSize, eBufType, buffer.buffInt);

			 break;

		 case 6:

		 case 10:

			 this.band.WriteRaster(nXOff, nYOff, nXSize, nYSize, eBufType, buffer.buffFloat);

			 break;

		 case 7:

		 case 11:

			 this.band.WriteRaster(nXOff, nYOff, nXSize, nYSize, eBufType, buffer.buffDouble);

			 break;

		 case 12:

			 break;

		 }

	 }

	 /**

	  *Obtiene el tama�o en pixeles de la im�gen en el eje de las X

	  *@return Tama�o en pixeles del eje X

	  *@throws GdalException

	  */

	 public int getRasterBandXSize()throws GdalException {

		 return this.band.GetXSize();

	 }

	 /**

	  *Obtiene el tama?o en pixeles de la im?gen en el eje de las Y

	  *@return Tama�o en pixeles del eje Y

	  *@throws GdalException

	  */

	 public int getRasterBandYSize()throws GdalException {

		 return this.band.GetYSize();

	 }

	 /**

	  * Devuelve el n�mero de overviews que contiene la banda.

	  * @return N�mero de overviews

	  * @throws GdalException

	  */

	 public int getOverviewCount()throws GdalException {

		 return this.band.GetOverviewCount();

	 }

	 /**

	  * Obtiene el overview indicado por el �ndice "i".

	  *

	  * @param i	indice del overview que se quiere recuperar.

	  * @return GdalRasterBand	Banda correspondiente al overview selecccionado

	  * @throws GdalException

	  */

	 public GdalRasterBand getOverview(int i)throws GdalException {

		 Band band_ov;

		 if((i < 0) || (i >= getOverviewCount()))

			 throw new GdalException("El overview seleccionado no existe");

		 band_ov = this.band.GetOverview(i);

		 if (band_ov == null || !(band_ov instanceof Band))

			 throw new GdalException("No se ha podido obtener el overview");

		 return new GdalRasterBand(band_ov);

	 }

	 /**

	  * Devuelve el tama�o en X del bloque para esa banda

	  * @return Tama�o en pixeles del bloque en el eje X

	  * @throws GdalException

	  */

	 public int getBlockXSize()throws GdalException {

		 return this.band.GetBlockXSize();

	 }

	 /**

	  * Devuelve el tama�o en Y del bloque para esa banda

	  * @return Tama�o en pixeles del bloque en el eje Y

	  * @throws GdalException

	  */

	 public int getBlockYSize()throws GdalException {

		 return this.band.GetBlockYSize();

	 }

	 /**

	  * Devuelve el tipo de datos de la banda

	  * @return Tama�o en pixeles del bloque en el eje Y

	  * @throws GdalException

	  */

	 public int getRasterDataType()throws GdalException {

		 return this.band.getDataType();

	 }

	 /**

	  * Obtiene la tabla de color asociada a la imagen

	  */

	 public GdalColorTable getRasterColorTable()throws GdalException {

		 ColorTable ct = this.band.GetColorTable();

		 if ((ct == null)) {

			 return null;

		 }

		 return new GdalColorTable(ct);

	 }

	 /**

	  * Lee datos de la banda de la im�gen con una paleta asociada

	  *

	  * @return	Devuelve un vector de bytes con el trozo de raster le�do.

	  * @param nXOff	El desplazamiento del pixel desde la esquina superior derecha

	  * de la banda accedida.

	  * @param nYOff	El desplazamiento de l�nea desde la esquina superior derecha

	  * de la banda accedida.

	  * @param nXSize	Ancho de la regi�n en pixels de la banda que ser� accedida

	  * @param nYSize	Altura de la regi�n en l�neas de la banda que ser� accedida

	  * @param BufXSize	Ancho del buffer donde la regi�n de la im�gen ser� guardada

	  * @param BufYSize	Altura del buffer donde la regi�n de la im�gen ser� guardada

	  * En caso de que bufXSize o bufYSize sean menores que 1, pasan a tener el mismo valor que

	  * nXSize y nYSize respectivamente para evitar buffers con tama?o 0.

	  * @param eBufType

	  */

	 public GdalBuffer readRasterWithPalette(int nXOff, int nYOff, int nXSize, int nYSize,

			 int bufXSize, int bufYSize,

			 int eBufType)throws GdalException {

		 if ((nXOff<0) || (nXOff > getRasterBandXSize()) || (nYOff < 0) || (nYOff > getRasterBandYSize()))

			 throw new GdalException("Desplazamiento de la ventana fuera de rango.");

		 if ((nXSize < 1) || (nXSize > getRasterBandXSize()) || (nYSize < 1) || (nYSize > getRasterBandYSize()))

			 throw new GdalException("Tama?o de ventana incorrecto.");

		 if (((nXSize + nXOff) > (getRasterBandXSize())) || ((nYSize + nYOff) > (getRasterBandYSize())))

			 throw new GdalException("Posicion de la ventana incorrecta.");

		 if ((eBufType < 1) || (eBufType > 11))

			 throw new GdalException("Tipo de datos incorrecto.");

		 if (bufXSize < 1)

			 bufXSize = nXSize;

		 if (bufYSize < 1)

			 bufYSize = nYSize;

		 GdalBuffer buf = new GdalBuffer();

		 int i = 0;

		 switch(eBufType) {

		 case 0:

			 i = 0;

			 break;

		 case 1:

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffByte);

			 break;

		 case 2:

		 case 3:

		 case 8:

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffShort);

			 break;

		 case 4:

		 case 5:

		 case 9:

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffInt);

			 break;

		 case 6:

		 case 10:

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffFloat);

			 break;

		 case 7:

		 case 11:

			 i = this.band.ReadRaster(nXOff, nYOff, nXSize, nYSize, bufXSize, bufYSize, eBufType, buf.buffDouble);

			 break;

		 case 12:

			 i = 0;

			 break;

		 }

		 if(i>0)

			 return buf;

		 else

			 return null;

	 }

	 /**

	  *Devuelve el valor de NoData

	  */

	 public double getRasterNoDataValue()throws GdalException {

		 Double[] aux = new Double[1];

		 this.band.GetNoDataValue(aux);

		 return aux[0];

	 }

	 /**

	  * Obtiene el valorDevuelve el valor de NoData

	  */

	 public boolean existsNoDataValue()throws GdalException {

			 return this.hasNoDataValue  ;

	 }

	 public void setRasterNoDataValue(double val){

		 this.hasNoDataValue = true;

		 this.band.SetNoDataValue(val);

	 }

	 /**

	  * Obtiene un array de Strings con los metadatos

	  *

	  * @throws GdalException

	  * @return Array de Strings que corresponden a los metadatos que ofrece la im�gen

	  */

	 public String[] getMetadata()throws GdalException {

		 @SuppressWarnings("unchecked")

         Vector<String> aux = this.band.GetMetadata_List();

		 String[] res =  aux.toArray(new String[0]);

		 if(res == null)

			 return new String[0];

		 else return res;

	 }

	 /**

	  * Obtiene identificador que representa el tipo de banda de color.

	  * @return	identificador del tipo de banda de color

	  * @throws GdalException

	  */

	 public int getRasterColorInterpretation()throws GdalException {

		 int bandType = this.band.GetColorInterpretation();

		 return bandType;

	 }

	 /**

	  * Asigna la interpretaci?n de color de la banda.

	  * Con algunos formatos no es posible modificar la interpretaci?n de color,

	  * tales como tiff y jpg. En el caso de tif, no hay error pero tampoco se

	  * produce el cambio en la interpretaci?n. En el caso de jpg, gdal lanza un error.

	  * 0 = "Undefined"

	  * 1 = "Gray";

	  * 2 = "Palette";

	  * 3 = "Red";

	  * 4 = "Green";

	  * 5 = "Blue";

	  * 6 = "Alpha";

	  * 7 = "Hue";

	  * 8 = "Saturation";

	  * 9 = "Lightness";

	  * 10 = "Cyan";

	  * 11 = "Magenta";

	  * 12 = "Yellow";

	  * 13 = "Black";

	  * 14 = "YCbCr_Y";

	  * 15 = "YCbCr_Cb";

	  * 16 = "YCbCr_Cr";

	  * @param bandType

	  * @throws GdalException

	  */

	 public void setRasterColorInterpretation(int bandType) throws GdalException{

		 if ((bandType < 0) || (bandType > 16)){

			 throw new GdalException("Tipo de banda incorrecto");

		 }

		 @SuppressWarnings("unused")

         int err = this.band.SetColorInterpretation(bandType);

	 }

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

* MA  02110-1301, USA.

*

*/

package org.gvsig.jgdal;

import java.awt.Color;

import org.gdal.gdal.ColorTable;

public class GdalColorTable {

    private ColorTable ct;

    /**

     *

     */

    public GdalColorTable(ColorTable ct) {

        this.ct = ct;

    }

	public int getColorEntryCount() throws GdalException{

		return this.ct.GetCount();

	}

	public GdalColorEntry getColorEntryAsRGB(int pos) throws GdalException{

		if ((pos < 0) || (pos >= getColorEntryCount()))

			throw new GdalException("Entrada de la tabla de color fuera de rango");

		GdalColorEntry entry = new GdalColorEntry();

		Color values =  this.ct.GetColorEntry(pos);

		if(values == null)

		    throw new GdalException("Error en getColorEntryAsRGB(). Posici?n de la tabla de color inexistente.");

		entry.c1 =  (short) values.getRed();

		entry.c2 =  (short) values.getGreen();

		entry.c3 =  (short) values.getBlue();

		entry.c4 =  (short) values.getAlpha();

		return entry;

	}

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.jgdal;

/**  

 * Buffer para el almacenamiento de l?neas de la im?g?n. Esta clase es instanciada desde C para que se pueda acceder a sus datos desde el cliente java.

 * 

 * @author Nacho Brodin (nachobrodin@gmail.com).<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es

 * @version 0.0

 * @link http://www.gvsig.gva.es

 */

public class GdalBuffer{

    public byte[] buffByte;			//8 bits

    public short[] buffShort;		//16 bits

    public int[] buffInt;			//32 bits

    public float[] buffFloat;		//32 bits

    public double[] buffDouble;		//64 bits

    public byte[] buffAPalette;

    public byte[] buffRPalette;

    public byte[] buffGPalette;

    public byte[] buffBPalette;

    public void reservaByte(int r){

    	buffByte = new byte[r];

    }

    public void reservaShort(int r){

    	buffShort = new short[r];

    }

    public void reservaInt(int r){

    	buffInt = new int[r];

    }

    public void reservaFloat(int r){

    	buffFloat = new float[r];

    }

    public void reservaDouble(int r){

    	buffDouble = new double[r];

    }

    public void reservaPalette(int r){

    	buffAPalette = new byte[r];

    	buffRPalette = new byte[r];

        buffGPalette = new byte[r];

        buffBPalette = new byte[r];

    }

    public int getSize(){

      for(int i=0;i<5;i++){

      	if(buffByte!=null)return buffByte.length;

    	if(buffShort!=null)return buffShort.length;

    	if(buffInt!=null)return buffInt.length;

    	if(buffFloat!=null)return buffFloat.length;

    	if(buffDouble!=null)return buffDouble.length;

    	if(buffRPalette!=null)return buffRPalette.length;

      }

      return 0;

    }

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

* MA  02110-1301, USA.

*

*/

package org.gvsig.jgdal;

import java.util.ArrayList;

/**

 * Clase que recubre la funci?n de reproyecci?n de gdal.

 *

 * @author Miguel ?ngel Querol Carratal?

 */

public class GdalWarp {

	private int    porcentaje;

	/**

	 * Par?metros de la operaci?n de reproyecci?n

	 */

	private String s_srs = null;

	/**

	 * M?todo nativo para el warp desde gdal.

	 */

//	private native int warpDataset(String s_srs, String t_srs, String source, String dest, String format);

	/**

	 * Constructor generico.

	 */

	public GdalWarp() {}

	/**

	 * Reproyecta una imagen raster, creando una imagen de salida

	 * @param proj EPSG:code o proj4

	 * @param source Ruta del fichero fuente

	 * @param dest Ruta del fichero destino

	 * @param format

	 * @return 0 si ha ocurrido algun error o 1 si la ejecuci?n ha sido correcta.

	 * @throws GdalException

	 */

	public int warp(String t_srs, String source, String dest, String format) {

//		int stat = warpDataset(s_srs, t_srs, source, dest, format);

		int stat = 0;

		return stat;

	}

	/**

	 * Indica la proyecci?n del dataset origen

	 * @param s_srs

	 */

	public void setSsrs(String s_srs) {

		this.s_srs = s_srs;

	}

	/**

	 * Obtiene el porcentaje de proceso que se ha completado

	 */

	public int getPercent() {

		return porcentaje;

	}

	/**

	 * Devuelve la lista de drivers que usa GdalWarp para reproyectar

	 * @return

	 */

	static public ArrayList getDrivers() {

		ArrayList list = new ArrayList();

		list.add("GTiff");

		list.add("VRT");

		list.add("NITF");

		list.add("HFA");

		list.add("ELAS");

		list.add("MEM");

		list.add("BMP");

		list.add("PCIDSK");

		list.add("ILWIS");

		String os = System.getProperty("os.name");

		if (!os.toLowerCase().startsWith("windows"))

			list.add("HDF4Image");

		list.add("PNM");

		list.add("ENVI");

		list.add("EHdr");

		list.add("PAux");

		list.add("MFF");

		list.add("MFF2");

		list.add("BT");

		list.add("IDA");

		list.add("RMF");

		list.add("RST");

		list.add("Leveller");

		list.add("Terragen");

		list.add("ERS");

		list.add("INGR");

		list.add("GSAG");

		list.add("GSBG");

		list.add("ADRG");

		return list;

	}

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

* MA  02110-1301, USA.

*

*/

package org.gvsig.jgdal;

import java.io.File;

import java.nio.charset.Charset;

import java.util.StringTokenizer;

import java.util.Vector;

import org.gdal.gdal.Dataset;

import org.gdal.gdal.Driver;

import org.gdal.gdal.gdal;

/**

 * Representa un driver de un tipo de im?gen

 *

 * @author Nacho Brodin (nachobrodin@gmail.com).<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es

 * @version 0.0

 * @link http://www.gvsig.gva.es

 */

public class GdalDriver{

	private Driver driver;

	public GdalDriver(Driver drv) {

		this.driver = drv;

	}

	/**

	 * Crea una copia de una im?gen a partir de un dataset de origen especificado.

	 * @param file	Nombre del fichero sobre el cual se guardar? la copia

	 * @param src	Dataset fuente a copiar