Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.layers;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.geom.AffineTransform;

import java.awt.geom.NoninvertibleTransformException;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.awt.image.DataBuffer;

import java.io.File;

import java.io.IOException;

import java.lang.reflect.Constructor;

import java.lang.reflect.InvocationTargetException;

import java.net.MalformedURLException;

import java.net.URL;

import java.util.ArrayList;

import java.util.Hashtable;

import java.util.Iterator;

import java.util.Map;

import javax.print.attribute.PrintRequestAttributeSet;

import org.exolab.castor.xml.ValidationException;

import org.gvsig.fmap.raster.layers.FLyrRasterSE;

import org.gvsig.fmap.raster.layers.IRasterLayerActions;

import org.gvsig.fmap.raster.layers.StatusLayerRaster;

import org.gvsig.fmap.raster.layers.StatusRasterInterface;

import org.gvsig.raster.dataset.FileNotOpenException;

import org.gvsig.raster.dataset.InvalidSetViewException;

import org.gvsig.raster.dataset.NotSupportedExtensionException;

import org.gvsig.raster.dataset.RasterDataset;

import org.gvsig.raster.dataset.RasterDriverException;

import org.gvsig.raster.datastruct.Extent;

import org.gvsig.raster.datastruct.ViewPortData;

import org.gvsig.raster.grid.filter.RasterFilterList;

import org.gvsig.remoteClient.wcs.WCSStatus;

import org.gvsig.remoteClient.wms.ICancellable;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.hardcode.gdbms.engine.data.driver.DriverException;

import com.iver.cit.gvsig.exceptions.layers.ConnectionErrorLayerException;

import com.iver.cit.gvsig.exceptions.layers.LoadLayerException;

import com.iver.cit.gvsig.exceptions.layers.UnsupportedVersionLayerException;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.crs.CRSFactory;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.drivers.wcs.FMapWCSDriver;

import com.iver.cit.gvsig.fmap.drivers.wcs.FMapWCSDriverFactory;

import com.iver.cit.gvsig.fmap.drivers.wcs.WCSDriverException;

import com.iver.cit.gvsig.fmap.layers.layerOperations.StringXMLItem;

import com.iver.cit.gvsig.fmap.layers.layerOperations.XMLItem;

import com.iver.utiles.DoubleUtilities;

import com.iver.utiles.StringUtilities;

import com.iver.utiles.XMLEntity;

import com.iver.utiles.swing.threads.Cancellable;

/**

 * Class for the WCS layer.

 *

 * Capa para el WCS.

 *

 * @author jaume - jaume.dominguez@iver.es

 */

public class FLyrWCS extends FLyrRasterSE {

        private FMapWCSDriver wcs = null;

        private URL                                                 host;

        private String                                                coverageName;

        private Rectangle2D                                        fullExtent;

        private String                                                format;

        private String                                                srs;

        private String                                                time;

        private String                                                parameter;

        private Point2D                                                maxRes;

        private Hashtable                                         onlineResources = new Hashtable();

        private WCSStatus                                        wcsStatus = new WCSStatus();

        private int                                                 posX = 0, posY = 0;

        private double                                                 posXWC = 0, posYWC = 0;

        private int                                                 r = 0, g = 0, b = 0;

        private boolean                                         firstLoad = false;

        private VisualStatus                                visualStatus = new VisualStatus();

        private boolean                                         mustTileDraw = false;

        private int                                                 maxTileDrawWidth  = 1023;

        private int                                                        maxTileDrawHeight = 1023;

        private int                                                 maxTilePrintWidth  = 250;

        private int                                                        maxTilePrintHeight = 250;

        /**

         * Lista de filtros aplicada en la renderizaci?n

         */

        private RasterFilterList            filterList = null;

        private class MyCancellable implements ICancellable

        {

                private Cancellable original;

                public MyCancellable(Cancellable cancelOriginal)

                {

                        this.original = cancelOriginal;

                }

                public boolean isCanceled() {

                        return original.isCanceled();

                }

        }

        public FLyrWCS(){

                super();

        }

        public FLyrWCS(Map args) throws DriverIOException{

                FMapWCSDriver drv = null;

                String host = (String)args.get("HOST");

                String sCoverage = (String) args.get((String) "COVERAGE");

                try {

                        this.setHost(new URL(host));

                } catch (MalformedURLException e) {

                        //e.printStackTrace();

                        throw new DriverIOException("Malformed host URL, '" + host + "' (" + e.toString() + ").");

                }

                try {

                        drv = this.getDriver();

                } catch (Exception e) {

                        // e.printStackTrace();

                        throw new DriverIOException("Can't get driver to host '" + host + "' (" + e.toString() + ").");

                }

                try{

                        if (!drv.connect(false, null)){

                                throw new DriverIOException("Can't connect to host '" + host + "'.");

                        }

                }catch(Exception e){

                        throw new DriverIOException("Can't connect to host '" + host + "'.");

                }

                WCSLayer wcsNode = drv.getLayer(sCoverage);

                if (wcsNode == null){

                        throw new DriverIOException("The server '" + host + "' doesn't has the coverage '" + sCoverage + "'.");

                }

                try{

                        this.setFullExtent(drv.getFullExtent(sCoverage,

                                        (String) args.get((String) "CRS")));

                        this.setFormat((String) args.get((String) "FORMAT"));

                        this.setParameter("BANDS=" + (String) args.get((String) "BANDS"));

                        this.setSRS((String) args.get((String) "CRS"));

                        this.setName(sCoverage);

                        this.setCoverageName(sCoverage);

                }catch (Exception e){

                        throw new DriverIOException("The server '" + host + "' is not able to load the coverage '" + sCoverage + "'.");

                }

        }

        /**

         * Clase que contiene los datos de visualizaci?n de WCS. Tiene datos que representan al

         * raster en la vista. Este raster puede estar compuesto por tiles por lo que valores

         * como el ancho total o el m?nimo o m?ximo deben ser calculados a partir de todos los

         * tiles visualizados.

         * @author Nacho Brodin (brodin_ign@gva.es)

         */

        private class VisualStatus {

                /**

                 * Ancho y alto de la imagen o del conjunto de tiles si los tiene. Coincide con

                 * el ancho y alto del viewPort

                 */

                private        int                                                        width = 0, height = 0;

                private double                                                minX = 0D, minY = 0D, maxX = 0D, maxY = 0D;

                private int                                                 bandCount = 0;

                private int                                                        dataType = DataBuffer.TYPE_UNDEFINED;

                /**

                 * Ancho y alto total del raster que ser? la suma de todos los tiles.

                 */

                private        int                                                        rasterWidth = 0, rasterHeight = 0;

                private        double                                                rasterMinX = Double.MAX_VALUE, rasterMinY = Double.MAX_VALUE;

                private        double                                                rasterMaxX = 0, rasterMaxY = 0;

                /**

                 * Lista de nombre de fichero que componen toda la visualizaci?n.

                 */

                private String[]                                        fileNames = null;

        }

        /**

         * @deprecated

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint#getInfo

         */

        public String queryByPoint(Point p) {

                String data = "<file:"+getName().replaceAll("[^a-zA-Z0-9]","")+">\n";

                ArrayList attr = this.getAttributes();

                data += "  <raster\n";

                data += "    File=\""+getName()+"\"\n";

                for (int i=0; i<attr.size(); i++) {

                        Object [] a = (Object []) attr.get(i);

                        data += "    "+a[0].toString()+"=";

                        if (a[1].toString() instanceof String)

                                data += "\""+a[1].toString()+"\"\n";

                        else

                                data += a[1].toString()+"\n";

                }

                data += "    Point=\""+posX+" , "+posY+"\"\n";

                data += "    Point_WC=\""+posXWC+" , "+posYWC+"\"\n";

                data += "    RGB=\""+r+", "+g+", "+b+"\"\n";

                data += "  />\n";

                data += "</file:"+getName().replaceAll("[^a-zA-Z0-9]","")+">\n";

                System.out.println(data);

                return data;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint#getInfo

         */

        public XMLItem[] getInfo(Point point, double tolerance, Cancellable cancel ) throws ReadDriverException {

                String data = "<file:"+getName().replaceAll("[^a-zA-Z0-9]","")+">\n";

                Point2D pReal = getMapContext().getViewPort().toMapPoint(point);

                Point2D px = null;

                if(        pReal.getX() > this.getMinX() &&

                        pReal.getX() < this.getMaxX() &&

                        pReal.getY() > this.getMinY() &&

                        pReal.getY() < this.getMaxY()){

                        px = new Point2D.Double();

                        double w = (visualStatus.rasterMaxX - visualStatus.rasterMinX);

                        double h = (visualStatus.rasterMaxY - visualStatus.rasterMinY);

                        px.setLocation(((pReal.getX() - visualStatus.rasterMinX) * visualStatus.rasterWidth) / w,

                                                        ((visualStatus.rasterMaxY - pReal.getY()) * visualStatus.rasterHeight) / h);

                }

                int[] rgb = this.getPixel(pReal.getX(), pReal.getY());

                StringXMLItem[] item = new StringXMLItem[1];

                data += "  <raster\n";

                data += "    View_Point=\""+point.getX()+" , "+point.getY()+"\"\n";

                data += "    World_Point=\""+DoubleUtilities.format(pReal.getX(), 3)+" , "+ DoubleUtilities.format(pReal.getY(), 3)+"\"\n";

                if(        px == null || px.getX() > visualStatus.rasterWidth || px.getX() < 0 ||

                        px.getY() > visualStatus.rasterHeight || px.getY() < 0)

                        data += "    Pixel_Point=\"Out\"\n";

                else

                        data += "    Pixel_Point=\""+(int)px.getX()+" , "+(int)px.getY()+"\"\n";

                if(rgb != null)

                        data += "    RGB=\""+rgb[1]+"  "+rgb[2]+"  "+rgb[3]+"\"\n";

                data += "    Band_Value=\"";

                try {

                        for (int file = 0; file < visualStatus.fileNames.length; file++) {

                                RasterDataset rd = RasterDataset.open(getMapContext().getViewPort().getProjection(), visualStatus.fileNames[file]);

                                Extent ex = rd.getExtent();

                                if (pReal.getX() >= ex.minX() && pReal.getX() <= ex.maxX() && pReal.getY() >= ex.minY() && pReal.getY() <= ex.maxY()) {

                                        if (visualStatus.dataType >= 0 && visualStatus.dataType <= 3) {

                                                for (int i = 0; i < visualStatus.bandCount; i++) {

                                                        Integer value = (Integer) rd.getData((int) px.getX(), (int) px.getY(), i);

                                                        if (value != null)

                                                                data += value.intValue() + "  ";

                                                }

                                        }

                                        if (visualStatus.dataType >= 4) {

                                                for (int i = 0; i < visualStatus.bandCount; i++) {

                                                        Float value = (Float) rd.getData((int) px.getX(), (int) px.getY(), i);

                                                        if (value != null)

                                                                data += value.floatValue() + "  ";

                                                }

                                        }

                                        if (visualStatus.dataType >= 5) {

                                                for (int i = 0; i < visualStatus.bandCount; i++) {

                                                        Double value = (Double) rd.getData((int) px.getX(), (int) px.getY(), i);

                                                        if (value != null)

                                                                data += value.doubleValue() + "  ";

                                                }

                                        }

                                }

                                rd.close();

                        }

                } catch (NotSupportedExtensionException e) {

                        throw new ReadDriverException("Extensi?n no soportada.", e);

                } catch (RasterDriverException e) {

                        throw new ReadDriverException("Error en la apertura del fichero.", e);

                } catch (FileNotOpenException e) {

                        throw new ReadDriverException("Error en la apertura del fichero.", e);

                } catch (InvalidSetViewException e) {

                        throw new ReadDriverException("Error al asignar la vista.", e);

                }

                data += "\"\n";

                data += "  />\n";

                data += "</file:"+getName().replaceAll("[^a-zA-Z0-9]","")+">\n";

                item[0] = new StringXMLItem(data, this);

                return item;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()

         */

        public Rectangle2D getFullExtent() {

                return fullExtent;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable, double)

         */

        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale) throws ReadDriverException {

                if (isWithinScale(scale)){

                        Point2D p = viewPort.getOffset();

                        // p will be (0, 0) when drawing a view or other when painting onto

                        // the Layout.

                        visualStatus.width =  viewPort.getImageWidth();

                        visualStatus.height =  viewPort.getImageHeight();

                        visualStatus.minX = viewPort.getAdjustedExtent().getMinX();

                        visualStatus.minY = viewPort.getAdjustedExtent().getMinY();

                        visualStatus.maxX = viewPort.getAdjustedExtent().getMaxX();

                        visualStatus.maxY = viewPort.getAdjustedExtent().getMaxY();

                        visualStatus.rasterWidth = 0;

                        visualStatus.rasterHeight = 0;

                        visualStatus.rasterMinX = Double.MAX_VALUE;

                        visualStatus.rasterMinY = Double.MAX_VALUE;

                        visualStatus.rasterMaxX = 0;

                        visualStatus.rasterMaxY = 0;

                        visualStatus.fileNames = new String[1];

                        try {

                        if(mustTileDraw){

                                if(viewPort.getImageWidth()<= maxTileDrawWidth && viewPort.getImageHeight()<=maxTileDrawHeight)

                                        drawTile(g, viewPort, cancel, 0, scale);

                                else{

                                        Rectangle r = new Rectangle((int) p.getX(), (int) p.getY(), viewPort.getImageWidth(), viewPort.getImageHeight());

                                        Tiling tiles = new Tiling(maxTileDrawWidth, maxTileDrawHeight, r);

                                        tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());

                                        visualStatus.fileNames = new String[tiles.getNumTiles()];

                                        for (int tileNr=0; tileNr < tiles.getNumTiles(); tileNr++) {

                                                // drawing part

                                                try {

                                                        ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);

                                                        drawTile(g, vp, cancel, tileNr, scale);

                                                } catch (NoninvertibleTransformException e) {

                                                        e.printStackTrace();

                                                }

                                        }

                                }

                        }else

                                drawTile(g, viewPort, cancel, 0, scale);

                        }catch (ConnectionErrorLayerException e) {

                                e.printStackTrace();

                        }catch (UnsupportedVersionLayerException e) {

                                e.printStackTrace();

                        }catch (LoadLayerException e) {

                                e.printStackTrace();

                        }

                }

                Runtime r = Runtime.getRuntime();

                long mem = r.totalMemory() - r.freeMemory();

                System.err.println("Memoria total: " + (mem / 1024) +"KB");

        }

        /**

         * This is the method used to draw a tile in a WCS mosaic layer.

         * @param tile Tile number to draw

         * @throws ReadDriverException 

         */

        private void drawTile(Graphics2D g, ViewPort vp, Cancellable cancel, int tile, double scale) throws LoadLayerException, ReadDriverException {

                // Compute the query geometry

                // 1. Check if it is within borders

                Rectangle2D extent = getFullExtent();

        if ((vp.getAdjustedExtent().getMinX() > extent.getMaxX()) ||

                (vp.getAdjustedExtent().getMinY() > extent.getMaxY()) ||

                (vp.getAdjustedExtent().getMaxX() < extent.getMinX()) ||

                (vp.getAdjustedExtent().getMaxY() < extent.getMinY())) {

            return;

        }

        // 2. Compute extent to be requested.

        Rectangle2D bBox = new Rectangle2D.Double();

        Rectangle2D.intersect(vp.getAdjustedExtent(), extent, bBox);

        // 3. Compute size in pixels

        double scalex = vp.getAffineTransform().getScaleX();

        double scaley = vp.getAffineTransform().getScaleY();

        int wImg = (int) Math.ceil(Math.abs(bBox.getWidth() * scalex) + 1);

        int hImg = (int) Math.ceil(Math.abs(bBox.getHeight() * scaley) + 1);

        Dimension sz = new Dimension(wImg, hImg);

        if ((wImg <= 0) || (hImg <= 0)) {

            return;

        }

                try {

                        sz = new Dimension(wImg, hImg);

                        wcsStatus.setCoveraName( coverageName );

                        wcsStatus.setExtent( bBox );

                        wcsStatus.setFormat( format );

                        wcsStatus.setHeight( hImg );

                        wcsStatus.setWidth( wImg );

                        wcsStatus.setSrs(srs);

                        wcsStatus.setParameters( parameter );

                        wcsStatus.setTime( time );

                        wcsStatus.setOnlineResource((String) onlineResources.get("GetCoverage"));

                        File f = getDriver().getCoverage(wcsStatus, new MyCancellable(cancel));

                        if (f == null)

                                return;

                        String nameWordFile = f.getPath() + getExtensionWorldFile();

                        com.iver.andami.Utilities.createTemp(nameWordFile, this.getDataWorldFile(bBox, sz));

                        StatusRasterInterface status = super.getStatus();

                        if(status!=null && firstLoad){

                                status.applyStatus(this);

                                firstLoad = false;

                        }

                        ViewPortData vpData = new ViewPortData(

                                vp.getProjection(), new Extent(bBox), sz );

                        vpData.setMat(vp.getAffineTransform());

                        String filePath = f.getAbsolutePath();

                        visualStatus.fileNames[tile] = filePath;

                        rasterProcess(filePath, g, vp, scale, cancel);

//                        this.getRender().draw(g, vpData);

//                        rasterProcess(g, vpData, f);

//                } catch (ValidationException e) {

//                        UnknownResponseFormatExceptionType type =

//                                new UnknownResponseFormatExceptionType();

//                        type.setLayerName(getName());

//                        try {

//                                type.setDriverName(getDriver().getName());

//                        } catch (Exception e1) {

//                                e1.printStackTrace();

//                        }

//                        type.setFormat(format);

//                        type.setHost(host);

//                        type.setProtocol("WCS");

//                        ReadDriverException exception = new ReadDriverException("unknown_response_format",type);

//                        throw exception;

//        azabala                throw new DriverException(PluginServices.getText(this, "unknown_response_format"), e);

//                }

//                catch (UnsupportedVersionLayerException e) {

//                        UnsuportedProtocolVersionExceptionType type =

//                                new UnsuportedProtocolVersionExceptionType();

//                        type.setLayerName(getName());

//                        try {

//                                type.setDriverName(getDriver().getName());

//                        } catch (Exception ex){

//                        }

//                        type.setUrl(host);

//                        throw new ReadDriverException(PluginServices.getText(this, "version_conflict"), e, type);

//        azabala                throw new DriverException(PluginServices.getText(this, "version_conflict"), e);

                } catch (IOException e) {

//                        ConnectionErrorExceptionType type = new ConnectionErrorExceptionType();

//                        type.setLayerName(getName());

//                        try {

//                                type.setDriverName(getDriver().getName());

//                        } catch (Exception e1) {

//                        }

//                        type.setHost(host);

                        throw new ConnectionErrorLayerException(getName(),e);

                }

//                catch (WCSLayerException e) {

////azabala: la capturamos y la convertimos en DriverException

//                        WCSDriverExceptionType type = new WCSDriverExceptionType();

//                        type.setLayerName(getName());

//                        try {

//                                type.setDriverName(getDriver().getName());

//                        } catch (Exception e1) {

//                        }

//                        type.setWcsStatus(wcsStatus);

//                        this.setVisible(false);

//                        throw new WDriverException("Error WCS", e,  type);

//

////            JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), e.getMessage());

//

//        }//

                catch (WCSDriverException e) {

                        throw new LoadLayerException(getName(),e);

                } catch (IllegalStateException e) {

                        throw new LoadLayerException(getName(),e);

                }

        }

        /**

         * Devuelve el FMapWMSDriver.

         *

         * @return FMapWMSDriver

         *

         * @throws IllegalStateException

         * @throws ValidationException

         * @throws UnsupportedVersionLayerException

         * @throws IOException

         */

        private FMapWCSDriver getDriver() throws IllegalStateException, IOException {

                if (wcs == null) {

                        wcs = FMapWCSDriverFactory.getFMapDriverForURL(host);

                }

                return wcs;

        }

        /**

         * Calcula el contenido del fichero de georreferenciaci?n de una imagen.

         * @param bBox Tama?o y posici?n de la imagen (en coordenadas de usuario)

         * @param sz Tama?o de la imagen en pixeles.

         * @return el 'WorldFile', como String.

         * @throws IOException

         */

        public String getDataWorldFile(Rectangle2D bBox, Dimension sz) throws IOException {

                StringBuffer data = new StringBuffer();

            data.append((bBox.getMaxX() - bBox.getMinX())/(sz.getWidth() - 1)+"\n");

            data.append("0.0\n");

            data.append("0.0\n");

            data.append("-"+(bBox.getMaxY() - bBox.getMinY())/(sz.getHeight() - 1)+"\n");

            data.append(""+bBox.getMinX()+"\n");

            data.append(""+bBox.getMaxY()+"\n");

            return data.toString();

        }

        /**

         * Carga y dibuja el raster usando la librer?a

         * @param filePath Ruta al fichero en disco

         * @param g Graphics2D

         * @param vp ViewPort

         * @param scale Escala para el draw

         * @param cancel Cancelaci?n para el draw

         * @throws ReadDriverException

         * @throws LoadLayerException

         */

        private void rasterProcess(String filePath, Graphics2D g, ViewPort vp, double scale, Cancellable cancel) throws ReadDriverException, LoadLayerException {

                //Cerramos el dataset asociado a la capa si est? abierto. 

                if(getMultiRasterDataset() != null) {

                        getMultiRasterDataset().close();

                        this.setRemoveRasterFlag(true);

                }

                //Cargamos el dataset con el raster de disco. 

                setLoadParams(filePath);

                load();

                getRender().setBufferFactory(bufferFactory);

                visualStatus.rasterWidth += getMultiRasterDataset().getWidth()[0];

                visualStatus.rasterHeight += getMultiRasterDataset().getHeight()[0];

                if(getMultiRasterDataset().getExtent().getMin().getX() < visualStatus.rasterMinX)

                        visualStatus.rasterMinX = getMultiRasterDataset().getExtent().getMin().getX();

                if(getMultiRasterDataset().getExtent().getMin().getY() < visualStatus.rasterMinY)

                        visualStatus.rasterMinY = getMultiRasterDataset().getExtent().getMin().getY();

                if(getMultiRasterDataset().getExtent().getMax().getX() > visualStatus.rasterMaxX)

                        visualStatus.rasterMaxX = getMultiRasterDataset().getExtent().getMax().getX();

                if(getMultiRasterDataset().getExtent().getMax().getY() > visualStatus.rasterMaxY)

                        visualStatus.rasterMaxY = getMultiRasterDataset().getExtent().getMax().getY();

                visualStatus.bandCount = getMultiRasterDataset().getBandCount();

                visualStatus.dataType = getMultiRasterDataset().getDataType()[0];

                //Como el raster se carga a cada zoom el render se crea nuevamente y la lista de

                //filtros siempre estar? vacia a cada visualizaci?n. Para evitarlo tenemos que

                //guardar la lista de filtro aplicada en la visualizaci?n anterior.

                if (this.filterList != null)

                        getRender().setFilterList(filterList);

                //Dibujamos

                super.draw(null, g, vp, cancel, scale);

                //La primera vez asignamos la lista de filtros asociada al renderizador. Guardamos una referencia

                //en esta clase para que a cada zoom no se pierda.

                if (this.filterList == null)

                        filterList = getRender().getFilterList();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.raster.layers.FLyrRasterSE#print(java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.utiles.swing.threads.Cancellable, double, javax.print.attribute.PrintRequestAttributeSet)

         */

        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintRequestAttributeSet properties) throws ReadDriverException {

                draw(null, g, viewPort, cancel, scale);

        }

        /**

         * Returns the XMLEntity containing the necessary info for reproduce

         * the layer.

         *

         * Devuelve el XMLEntity con la informaci?n necesaria para reproducir

         * la capa.

         *

         * @return XMLEntity.

         * @throws XMLException

         */

        public XMLEntity getXMLEntity() throws XMLException {

                XMLEntity xml = super.getXMLEntity();

                xml.putProperty("wcs.host", getHost());

                xml.putProperty("wcs.fullExtent", StringUtilities.rect2String( fullExtent ));

                xml.putProperty("wcs.layerQuery", coverageName );

                xml.putProperty("wcs.format", format );

                xml.putProperty("wcs.srs", srs );

                xml.putProperty("wcs.time", time );

                xml.putProperty("wcs.parameter", parameter );

                xml.putProperty("wcs.coverageName", coverageName );

                xml.putProperty("wcs.maxResX", maxRes.getX());

                xml.putProperty("wcs.maxResY", maxRes.getY());

                Iterator it = onlineResources.keySet().iterator();

                String strOnlines = "";

                while (it.hasNext()) {

                        String key = (String) it.next();

                        String value = (String) onlineResources.get(key);

                        strOnlines += key+"~##SEP2##~"+value;

                        if (it.hasNext())

                                strOnlines += "~##SEP1##~";

                }

                xml.putProperty("onlineResources", strOnlines);

                StatusRasterInterface status = super.getStatus();

                if (status!=null)

                        status.getXMLEntity(xml, true, this);

                else{

                        status = new StatusLayerRaster();

                        status.getXMLEntity(xml, true, this);

                }

                return xml;

        }

        /**

         * Reproduces the layer from an XMLEntity.

         *

         * A partir del XMLEntity reproduce la capa.

         *

          * @param xml XMLEntity

         *

         * @throws XMLException

         * @throws DriverException

         * @throws DriverIOException

         */

        public void setXMLEntity(XMLEntity xml) throws XMLException {

                super.setXMLEntity(xml);

                // host

                try {

                        host = new URL(xml.getStringProperty("wcs.host"));

                } catch (MalformedURLException e) {

                        throw new XMLException(e);

                }

                // full extent

                fullExtent = StringUtilities.string2Rect(xml.getStringProperty("wcs.fullExtent"));

                // coverageQuery

                coverageName = xml.getStringProperty("wcs.layerQuery");

                // format

                format = xml.getStringProperty("wcs.format");

                // srs

                srs = xml.getStringProperty("wcs.srs");

                // time

                time = xml.getStringProperty("wcs.time");

                // parameter

                parameter = xml.getStringProperty("wcs.parameter");

                // coverage name

                coverageName = xml.getStringProperty("wcs.coverageName");

                // max resolution

                if (xml.contains("wcs.maxRes"))

                        maxRes = new Point2D.Double(xml.getDoubleProperty("wcs.maxRes"), xml.getDoubleProperty("wcs.maxRes"));

                else if (xml.contains("wcs.maxResX") && xml.contains("wcs.maxResY"))

                        maxRes = new Point2D.Double(xml.getDoubleProperty("wcs.maxResX"), xml.getDoubleProperty("wcs.maxResY"));

                // OnlineResources

        if (xml.contains("onlineResources")) {

                String[] operations = xml.getStringProperty("onlineResources").split("~##SEP1##~");

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

                                String[] resources = operations[i].split("~##SEP2##~");

                                if (resources.length==2 && resources[1]!="")

                                        onlineResources.put(resources[0], resources[1]);

                        }

        }

                String claseStr = null;

                if (xml.contains("raster.class")) {

                        claseStr = xml.getStringProperty("raster.class");

                }

                StatusRasterInterface status = super.getStatus();

                if (status!=null)

                        status.setXMLEntity(xml, this);

                else {

                        //Cuando cargamos un proyecto

                        if(claseStr!=null && !claseStr.equals("")){

                                try{

                                        Class clase = Class.forName(claseStr);

                                        Constructor constr = clase.getConstructor(null);

                                        status = (StatusRasterInterface)constr.newInstance(null);

                                        if(status!=null)

                                                status.setXMLEntity(xml, this);

                                } catch(ClassNotFoundException exc) {

                                        exc.printStackTrace();

                                } catch(InstantiationException exc) {

                                        exc.printStackTrace();

                                } catch(IllegalAccessException exc) {

                                        exc.printStackTrace();

                                } catch(NoSuchMethodException exc) {

                                        exc.printStackTrace();

                                } catch(InvocationTargetException exc) {

                                        exc.printStackTrace();

                                }

                        }

                }

                firstLoad = true;

        }

        public void setCoverageName(String coverageName) {

                this.coverageName = coverageName;

        }

        public void setParameter(String parametersString) {

                this.parameter = parametersString;

        }

        public void setTime(String time) {

                this.time = time;

        }

        public void setSRS(String srs) {

                this.srs = srs;

                setProjection(CRSFactory.getCRS(srs));

        }

        public void setFormat(String format) {

                this.format = format;

        }

        /**

         * Inserta el URL.

         *

         * @param host String.

         * @throws MalformedURLException

         */

        public void setHost(String host) {

                try {

                        setHost(new URL(host));

                } catch (MalformedURLException e) {

                }

        }

        /**

         * Inserta el URL.

         *

         * @param host URL.

         */

        public void setHost(URL host) {

                this.host = host;

        }

        /**

         * Sets the layer's full extent.

         *

         * Establece la extensi?n m?xima de la capa.

         *

         * @param rect

         */

        public void setFullExtent(Rectangle2D rect) {

                this.fullExtent = rect;

        }

        /**

         * Devuelve el URL.

         *

         * @return URL.

         */

        public URL getHost() {

                return host;

        }

        /**

         * Remote source layers have a bunch of properties that are required for get them from

         * the servers. This method supplies a hash table containing any needed field. This hash

         * table may be used to let the client to connect to a server and restore a previously saved

         * layer. So, the layer itself may not be saved to the disk since the actual saved

         * info is just its properties.

         *

         * @return Returns a hash table containing all the required information for

         * set up a wms layer

         */

        public Hashtable getProperties(){

                Hashtable info = new Hashtable();

                info.put(   "name", coverageName);

                info.put(   "host", getHost());

                info.put(    "crs", srs);

                info.put( "format", format);

                String str = time;

                if (str==null)

                        str = "";

                info.put(   "time", str);

                str = parameter;

                if (str==null)

                        str = "";

                info.put("parameter", str);

                return info;

        }

        /**

         * Obtiene la extensi?n del fichero de georreferenciaci?n

         * @return String con la extensi?n del fichero de georreferenciaci?n dependiendo

         * del valor del formato obtenido del servidor. Por defecto asignaremos un .wld

         */

        private String getExtensionWorldFile(){

                String extWorldFile = ".wld";

            if (format.equals("image/tif") || format.equals("image/tiff"))

                    extWorldFile = ".tfw";

            if (format.equals("image/jpeg"))

                    extWorldFile = ".jpgw";

            return extWorldFile;

        }

        public void setMaxResolution(Point2D maxResolution) {

                this.maxRes = maxResolution;

        }

        /**

         * <p>

         * Gets the max resolution allowed by the coverage. Requesting a higher resolution

         * than this value does not cause any error, but the info responsed is just an

         * interpolation. <br>

         * </p>

         * 

         * <p>

         * In exchange for obtaining a greater file and without additional information,

         * we can easily fit it into the View. <br>

         * </p>

         *

         * <p>

         * Obtiene la resoluci?n m?xima soportada por la cobertura. La petici?n

         * de una resoluci?n superior a la soportada no provoca ning?n error, aunque

         * la informaci?n obtenida s?lo es una mera interpolaci?n de informaci?n. <br>

         * </p>

         * 

         * <p>

         * A cambio de obtener un archivo mayor y sin informaci?n adicional, podemos

         * f?cilmente acoplarlo a la vista. <br>

         * </p>

         * 

         * @return double

         */

        public Point2D getMaxResolution() {

                if (maxRes==null)

                        maxRes = wcs.getMaxResolution(coverageName);

                return maxRes;

        }

        public void setDriver(FMapWCSDriver driver) {

                this.wcs = driver;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getTileSize()

         */

        public int[] getTileSize() {

                int[] size = {maxTileDrawWidth, maxTileDrawHeight};

                return size;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#isTiled()

         */

        public boolean isTiled() {

                return mustTileDraw;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.raster.layers.FLyrRasterSE#isActionEnabled(int)

         */

        public boolean isActionEnabled(int action) {

                if(action == IRasterLayerActions.ZOOM_PIXEL_RESOLUTION)

                        return false;

                if(action == IRasterLayerActions.FLYRASTER_BAR_TOOLS)

                        return false;

                return super.isActionEnabled(action);

        }

}