Application: gvSIG desktop » gvSIG raster

/* 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.raster.wmts.app.wmtsclient.layer;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.Point;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.lang.ref.WeakReference;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import javax.print.attribute.PrintRequestAttributeSet;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataParameters;

import org.gvsig.fmap.dal.DataStore;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.dal.DataTypes;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.RasterManager;

import org.gvsig.fmap.dal.coverage.datastruct.Extent;

import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData;

import org.gvsig.fmap.dal.coverage.exception.FilePaletteException;

import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException;

import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;

import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;

import org.gvsig.fmap.dal.coverage.exception.RemoteServiceException;

import org.gvsig.fmap.dal.coverage.grid.RasterFilter;

import org.gvsig.fmap.dal.coverage.store.RasterDataStore;

import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters;

import org.gvsig.fmap.dal.coverage.store.parameter.TileDataParameters;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.dal.exception.ValidateDataParametersException;

import org.gvsig.fmap.dal.spi.DataManagerProviderServices;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.operations.IHasImageLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;

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

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

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

import org.gvsig.raster.util.CancelTaskImpl;

import org.gvsig.raster.wmts.io.WMTSDataParameters;

import org.gvsig.raster.wmts.io.WMTSServerExplorer;

import org.gvsig.raster.wmts.io.WMTSServerExplorerParameters;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynClass;

import org.gvsig.tools.dynobject.DynObjectSet;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.gvsig.tools.task.Cancellable;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * WMTS Layer class.

 *

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

 *

 */

public class FLyrWMTS extends DefaultFLyrRaster implements IHasImageLegend {

        public static final String           PERSISTENT_NAME           = "FLyrWMTS_Persistent";

        public static final String           PERSISTENT_DESCRIPTION    = "FLyrWMTS Persistent Definition";

        private static final GeometryManager geomManager               = GeometryLocator.getGeometryManager();

        private static final Logger          logger                    = LoggerFactory.getLogger(FLyrWMTS.class);

        private List<WeakReference<Thread>>         disableUpdateDrawVersion;

        private Envelope                                         fullEnvelope              = null;

        private boolean                                                 firstLoad                 = false;

        private RasterManager                rManager                  = RasterLocator.getManager();

        private DataStoreParameters          params                    = null;

        private WMTSServerExplorer           explorer                  = null;

        private boolean                      deleteCache               = false;

        //Is useful to save the last ViewPort to know the last zoom level in the screen

        //private ViewPort                     lastViewPort              = null;

        public FLyrWMTS() {

                super();

                this.updateDrawVersion();

                try {

                        enableAwake();

                } catch (NotAvailableStateException e) {

                        logger.error("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), this, e);

                }

        }

        public static DataStore createDataStore(String host, IProjection srs) throws InitializeException {

                DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();

                RasterDataParameters params = null;

                try {

                        params = (RasterDataParameters)dataman.createServerExplorerParameters(WMTSServerExplorer.NAME);

                } catch (InitializeException e) {

                        return null;

                } catch (ProviderNotRegisteredException e) {

                        return null;

                }

                params.setURI(host);

                params.setSRS(srs);

                try {

                        return dataman.openStore(params.getDataStoreName(), params);

                } catch (ValidateDataParametersException e) {

                        throw new InitializeException(e);

                } catch (ProviderNotRegisteredException e) {

                        throw new InitializeException(e);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontext.layers.operations.SingleLayer#setDataStore(org.gvsig.fmap.dal.DataStore)

         */

        public void setDataStore(DataStore dataStore) throws LoadLayerException {

                this.dataStore = (RasterDataStore) dataStore;

                try {

                        enableOpen();

                } catch (NotAvailableStateException e) {

                        logger.error("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), this, e);

                }

                setProjection(this.dataStore.getProjection());

                setFullExtent(this.dataStore.getExtent().toRectangle2D());

        }

        @Override

        public void loadFromState(PersistentState state)

        throws PersistenceException {

                super.loadFromState(state);

        }

        @Override

        public void saveToState(PersistentState state) throws PersistenceException {

                super.saveToState(state);

        }

        public static void registerPersistent() {

                PersistenceManager manager = ToolsLocator.getPersistenceManager();

                DynStruct definition = manager.getDefinition(PERSISTENT_NAME);

                if( definition == null ) {

                        DefaultFLyrRaster.registerPersistent();

                        definition = manager.addDefinition(

                                        FLyrWMTS.class,

                                        PERSISTENT_NAME,

                                        PERSISTENT_DESCRIPTION,

                                        null, 

                                        null

                        );

                        definition.extend(

                                        (DynClass)ToolsLocator.getPersistenceManager()

                                                .getDefinition(DefaultFLyrRaster.class)

                        );

                        definition.addDynFieldObject("fullExtent").setType(DataTypes.ENVELOPE).setMandatory(true);

                        definition.addDynFieldURL("host").setMandatory(true);

                        definition.addDynFieldString("infoLayerQuery").setMandatory(true);                

                        definition.addDynFieldString("layerQuery").setMandatory(true);

                        definition.addDynFieldString("imageformat").setMandatory(true);

                        definition.addDynFieldString("infoformat").setMandatory(true);

                        definition.addDynFieldString("srs").setMandatory(true);

                        //definition.addDynFieldList("styles").setClassOfItems(String.class).setMandatory(false);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.fmap.layers.DefaultFLyrRaster#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, org.gvsig.fmap.mapcontext.ViewPort, org.gvsig.tools.task.Cancellable, double)

         */

        @SuppressWarnings("deprecation")

        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,

                        Cancellable cancel, double scale) throws ReadException {

                //CancelTaskImpl cancellable = new CancelTaskImpl(cancel);

                //Solo el zoom normal recalcula el nivel dependiendo de la escala. El zoom por niveles asigna

                //?l el nivel de zoom por lo que no habr? que recalcularlo.

                if(recalcLevel) {

                        double pixelSize = viewPort.getExtent().getWidth() / (double)viewPort.getImageWidth();

                        zoomLevel = dataStore.getNearestLevel(pixelSize);

                }

                recalcLevel = true;

                if(!firstLoad) {

                        try {

                                initFilters();

                        } catch (FilePaletteException e) {

                                throw new ReadException(e.getMessage(), e);

                        }

                        firstLoad = true;

                }

                enableStopped();

                if (isWithinScale(scale)) {

                        if (!viewPort.getAdjustedExtent().intersects(getFullEnvelope()))

                                return;

                        Envelope adjustedExtent = viewPort.getAdjustedEnvelope();

                        Extent ext = rManager.getDataStructFactory().createExtent(

                                        adjustedExtent.getLowerCorner().getX(),

                                        adjustedExtent.getUpperCorner().getY(), 

                                        adjustedExtent.getUpperCorner().getX(),

                                        adjustedExtent.getLowerCorner().getY());

                        Dimension imgSz = viewPort.getImageSize();

                        ViewPortData vp2 = rManager.createViewPortData(viewPort.getProjection(), ext, imgSz );

                        vp2.setMat(viewPort.getAffineTransform());

                        try {

                                WMTSDataParameters par = getWMTSParameters(getParameters());

                                //getParameters().setExtent(ext.toRectangle2D());

                                par.setWidth((int)viewPort.getImageSize().getWidth());

                                par.setHeight((int)viewPort.getImageSize().getHeight());

                                if(getDataStore().getParameters() instanceof TileDataParameters) {

                                        ((TileDataParameters)getDataStore().getParameters()).deleteCache(deleteCache);

                                }

                                deleteCache = false;  //Se borra la cach? solo el primer dibujado si se ha solicitado

                                getRender().drawTiledService(g, vp2);

                        } catch (RasterDriverException e) {

                                throw new ReadException("Problems drawing this layer: " + e.getMessage(), e);

                        } catch (InvalidSetViewException e) {

                                throw new ReadException("Problems drawing this layer: " + e.getMessage(), e);

                        } catch (ProcessInterruptedException e) {

                                throw new ReadException("Problems drawing this layer: " + e.getMessage(), e);

                        }                        

                }

                disableStopped();

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,

         *                 com.iver.cit.gvsig.fmap.ViewPort,

         *                 com.iver.cit.gvsig.fmap.operations.Cancellable)

         */

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

        throws ReadException {

        }

        public void _print(Graphics2D g, ViewPort viewPort, Cancellable cancel,

                        double scale) throws ReadException {

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

        }

        /**

         * Inserta la extensi?n total de la capa.

         *

         * @param fullExtent

         *            Rectangulo.

         */

        public void setFullExtent(Rectangle2D fullExtent) {

                this.setFullEnvelope(this.getEnvelopeFromRectable2D(fullExtent));

        }

        /**

         * Inserta la extensi?n total de la capa en la proyeccion original.

         *

         * @param fullExtent

         *            Rect?ngulo.

         */

        public void setFullEnvelope(Envelope envelope) {

                Envelope cur = this.getFullEnvelope();

                if (cur == envelope) {

                        return;

                }

                if (cur != null && cur.equals(envelope)) {

                        return;

                }

                this.fullEnvelope = envelope;

                this.updateDrawVersion();

        }

        public HashMap<String, Object> getProperties() {

                HashMap<String, Object> info = new HashMap<String, Object>();

                WMTSDataParameters par = getWMTSParameters(getParameters());

                String layerName = par.getLayer().getTitle();

                try {

                        info.put("name", getName());

                        info.put("selectedLayer", layerName);

                        info.put("host", par.getURI());

                        info.put("srs", par.getSRSCode());

                        info.put("imageformat", par.getImageFormat());

                        info.put("infoformat", par.getInfoFormat());

                        //info.put("styles", getParameters().getStyles());

                        return info;

                } catch (Exception e) {

                        e.printStackTrace();

                }

                return null;

        }

        public String getTocImageIcon() {

                return "icon-layer-wms";

        }

        /*

         * (non-Javadoc)

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

         */

        public boolean isActionEnabled(int action) {

                switch (action) {

                case IRasterLayerActions.ZOOM_PIXEL_RESOLUTION:

                case IRasterLayerActions.FLYRASTER_BAR_TOOLS:

                case IRasterLayerActions.BANDS_FILE_LIST:

                case IRasterLayerActions.COLOR_TABLE:

                case IRasterLayerActions.GEOLOCATION:

                case IRasterLayerActions.PANSHARPENING:

                case IRasterLayerActions.SAVE_COLORINTERP:

                case IRasterLayerActions.SAVEAS:

                case IRasterLayerActions.BANDS_RGB:

                case IRasterLayerActions.CLIPPING:

                case IRasterLayerActions.ENHANCED:

                case IRasterLayerActions.STATS:

                case IRasterLayerActions.NODATA:

                case IRasterLayerActions.HISTOGRAM:

                        return false;

                case IRasterLayerActions.REMOTE_ACTIONS:

                        return true;

                }

                return super.isActionEnabled(action);

        }

        /*

         * (non-Javadoc)

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

         */

        public ILegend getLegend() {

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.fmap.layers.FLyrRaster#isRemote()

         */

        public boolean isRemote() {

                return true;

        }

        /*

         * (non-Javadoc)

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

         */

        public boolean overviewsSupport() {

                return false;

        }

        protected void updateDrawVersion() {

                if (this.disableUpdateDrawVersion != null){

                        Thread curThread = Thread.currentThread();

                        Thread aThread;

                        Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();

                        while (iter.hasNext()){

                                aThread = (Thread) ((WeakReference<?>)iter.next()).get();

                                if (aThread == null){

                                        iter.remove();

                                } else if(aThread.equals(curThread)){

                                        return;

                                }

                        }

                }

                super.updateDrawVersion();

        }

        protected void disableUpdateDrawVersion() {

                if (this.disableUpdateDrawVersion == null) {

                        this.disableUpdateDrawVersion = new ArrayList<WeakReference<Thread>>();

                }

                this.disableUpdateDrawVersion.add(new WeakReference<Thread>(Thread.currentThread()));

        }

        protected void enableUpdateDrawVersion() {

                if (this.disableUpdateDrawVersion == null) {

                        return;

                }

                Thread curThread = Thread.currentThread();

                Thread aThread;

                Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();

                while (iter.hasNext()) {

                        aThread = (Thread) ((WeakReference<?>)iter.next()).get();

                        if (aThread == null) {

                                iter.remove();

                        } else if(aThread.equals(curThread)) {

                                iter.remove();

                                break;

                        }

                }

        }

        @SuppressWarnings("unused")

        private Rectangle2D.Double getRectable2DFromEnvelope(Envelope env) {

                return new Rectangle2D.Double(env.getMinimum(0), env.getMinimum(1), env

                                .getLength(0), env.getLength(1));

        }

        private Envelope getEnvelopeFromRectable2D(Rectangle2D rect) {

                try {

                        return geomManager.createEnvelope(rect.getMinX(), rect.getMinY(),

                                        rect.getMaxX(), rect.getMaxY(),

                                        SUBTYPES.GEOM2D);

                } catch (CreateEnvelopeException e) {

                        logger.error("Error creating the envelope", e);

                }

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.fmap.layers.FLyrRaster#getFileFormat()

         */

        @Override

        public String getFileFormat() {

                return "WMTS";

        }

        /**

         * Devuelve el envelope en la proyeccion de la vista

         */

        public Envelope getFullEnvelope() {

                Envelope rAux;

                rAux = this.fullEnvelope;

                // Esto es para cuando se crea una capa nueva con el fullExtent de ancho

                // y alto 0.

                if (rAux == null || rAux.getMaximum(0) - rAux.getMinimum(0) == 0

                                && rAux.getMaximum(1) - rAux.getMinimum(1) == 0) {

                        try {

                                rAux = geomManager.createEnvelope(0, 0, 100, 100, SUBTYPES.GEOM2D);

                        } catch (CreateEnvelopeException e) {

                                logger.error("Error creating the envelope", e);

                        }

                }

                // Si existe reproyecci?n, reproyectar el extent

                ICoordTrans ct = getCoordTrans();

                if (ct != null) {

                        Point2D pt1 = new Point2D.Double(rAux.getMinimum(0), rAux

                                        .getMinimum(1));

                        Point2D pt2 = new Point2D.Double(rAux.getMaximum(0), rAux

                                        .getMaximum(1));

                        pt1 = ct.convert(pt1, null);

                        pt2 = ct.convert(pt2, null);

                        try {

                                rAux = geomManager.createEnvelope(pt1.getX(), pt1.getY(), pt2

                                                .getX(), pt2.getY(), SUBTYPES.GEOM2D);

                        } catch (CreateEnvelopeException e) {

                                logger.error("Error creating the envelope", e);

                        }// new

                        // Rectangle2D.Double();

                }

                return rAux;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.fmap.layers.FLyrRaster#getFullRasterExtent()

         */

        public Extent getFullRasterExtent() {

                Envelope env = getFullEnvelope();

                double minx = env.getMinimum(0);

                double miny = env.getMinimum(1);

                double maxx = env.getMaximum(0);

                double maxy = env.getMaximum(1);

                Point2D ul = new Point2D.Double(minx, maxy);

                Point2D ur = new Point2D.Double(maxx, maxy);

                Point2D ll = new Point2D.Double(minx, miny);

                Point2D lr = new Point2D.Double(maxx, miny);

                return rManager.getDataStructFactory().createExtent(ul, lr, ur, ll);

        }

    public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel)

                throws LoadLayerException, DataException {

                return null;

        }

    public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel, boolean fast)

    throws LoadLayerException, DataException {

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

            String fInfo = null;

            try {

                    fInfo = getDataStore().getInfoByPoint(pReal.getX(), pReal.getY(), new CancelTaskImpl(cancel));

            } catch (RemoteServiceException e) {

                    throw new LoadLayerException("Error in getInfoByPoint", e);

            }

            int type = DynObjectSetWMTSInfo.TYPE_TEXT;

            WMTSDataParameters wmtsParams = getWMTSParameters(params);

            if(wmtsParams.getInfoFormat() != null) {

                    if(wmtsParams.getInfoFormat().compareTo("text/html") == 0)

                            type = DynObjectSetWMTSInfo.TYPE_HTML;

                    if(wmtsParams.getInfoFormat().compareTo("application/vnd.ogc.gml") == 0)

                            type = DynObjectSetWMTSInfo.TYPE_XML;

            }

            return new DynObjectSetWMTSInfo(fInfo, type);

    }

    /**

     * Sets the data store parameters

     * @param params

     * @throws InitializeException

     */

    public void setParameters(DataStoreParameters params) throws InitializeException {

            this.params = params;

            DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();

                try {

                        DataStore dStore = dataman.openStore(params.getDataStoreName(), params);

                        this.setDataStore(dStore);

                        if(params instanceof WMTSDataParameters) {

                                this.setName(((WMTSDataParameters) params).getURI());

                        }

                        if(params instanceof TileDataParameters) {

                                DataParameters p = ((TileDataParameters) params).getDataParameters();

                                if(p instanceof WMTSDataParameters) {

                                        this.setName(((WMTSDataParameters) p).getURI());

                                }

                        }

                } catch (ValidateDataParametersException e) {

                        throw new InitializeException(e);

                } catch (ProviderNotRegisteredException e) {

                        throw new InitializeException(e);

                } catch (InitializeException e) {

                        throw new InitializeException(e);

                } catch (LoadLayerException e) {

                        throw new InitializeException(e);

                }

    }

    @SuppressWarnings("deprecation")

        public DataStoreParameters getParameters() {

            if(params == null) {

                    DataManager datamanager = DALLocator.getDataManager();

                        WMTSServerExplorerParameters explorerParams = null;

                        try {

                                explorerParams = (WMTSServerExplorerParameters) datamanager.createServerExplorerParameters(WMTSServerExplorer.NAME);

                                explorerParams.setHost("");

                                explorer = (WMTSServerExplorer) datamanager.createServerExplorer(explorerParams);

                                params = explorer.getStoreParameters();

                        } catch (InitializeException e) {

                        } catch (ProviderNotRegisteredException e) {

                        } catch (ValidateDataParametersException e) {

                        }

            }

            return getWMTSParameters(params);

    }

    /**

     * Gets <code>WMTSDataParameters</code>

     * @param parameters

     * @return

     */

    private WMTSDataParameters getWMTSParameters(DataStoreParameters parameters) {

            WMTSDataParameters params = null;

            if(parameters instanceof WMTSDataParameters) {

                        params = (WMTSDataParameters) parameters;

                }

                if(parameters instanceof TileDataParameters) {

                        DataParameters p = ((TileDataParameters) parameters).getDataParameters();

                        if(p instanceof WMTSDataParameters) {

                                params = (WMTSDataParameters) p;

                        }

                }

                return params;

    }

    /**

     * Sets the explorer

     * @param explorer

     */

    public void setExplorer(WMTSServerExplorer explorer) {

            this.explorer = explorer;

    }

    /**

     * Gets the explorer

     * @return

     */

    public WMTSServerExplorer getExplorer() {

            return this.explorer;

    }

        public Image getImageLegend() {

                return null;

        }

        public String getPathImage() {

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontext.layers.FLyrDefault#cloneLayer()

         */

        public FLayer cloneLayer() throws Exception {

                RasterDataStore  ds = dataStore.cloneDataStore();

                FLyrWMTS newLayer = new FLyrWMTS();

                newLayer.setName(getName());

                newLayer.setOpenRasterStore(ds, RasterManager.TYPE_MULTIDATA);

                newLayer.fullEnvelope = fullEnvelope;

                newLayer.params = params;

                newLayer.firstLoad = firstLoad;

                newLayer.explorer = explorer;

                ArrayList<RasterFilter> filters = getRender().getFilterList().getStatusCloned();

                //Hacemos una copia de las bandas a renderizar

                if(getRender().getRenderBands() != null) {

                        int[] rb = new int[getRender().getRenderBands().length];

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

                                rb[i] = getRender().getRenderBands()[i];

                        newLayer.getRender().setRenderBands(rb);

                }

                //Asignamos el entorno

                if(newLayer.getRender().getFilterList() == null)

                        newLayer.getRender().setFilterList(RasterLocator.getManager().createEmptyFilterList(getRender().getFilterList().getInitDataType()));

                newLayer.getRender().getFilterList().setEnv(getRender().getFilterList().getEnv());

                newLayer.getRender().getFilterList().setStatus(filters);

                // Asignamos los valores noData del original

                newLayer.setNoDataValue(getNoDataValue());

                newLayer.setNoDataType(getNoDataType());

                newLayer.applyNoData();

                newLayer.enableOpen();

                return newLayer;

        }

        /**

         * Assigns the flag to delete this layer from the cache

         * @param selected

         */

        public void deleteCache(boolean deleteCache) {

                this.deleteCache = deleteCache;

        }

}