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.tools.app.basic.tool.saveraster.operation;

import java.io.File;

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

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

import org.gvsig.fmap.dal.coverage.dataset.Buffer;

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

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

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

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

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

import org.gvsig.gui.beans.incrementabletask.IncrementableTask;

import org.gvsig.raster.algorithm.process.DataProcess;

import org.gvsig.raster.algorithm.process.ProcessException;

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

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

import org.gvsig.raster.swing.RasterSwingLibrary;

import org.gvsig.raster.tools.app.basic.raster.process.ClippingProcess;

import org.gvsig.raster.tools.app.basic.tool.saveas.SaveAsActions;

/**

 * Builds a copy of a raster file

 * 

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

 */

public class CopyDataset {

        private String                                                 fDstName          = null;

        private String                                                 fSrcName          = null;

        private FLyrRaster                  src               = null;

        private DataProcess                 clippingProcess   = null;

        private IncrementableTask           incrementableTask = null;

        private RasterManager               rManager          = RasterLocator.getManager();

        /**

         * Constructor

         * @param src        Nombre del fichero fuente

         * @param dst        Nombre del fichero destino

         * @throws LoadLayerException 

         * @throws LoadLayerException 

         * @throws RasterDriverException 

         * @throws NotSupportedExtensionException 

         */

        public CopyDataset(String src, String dst) throws LoadLayerException {

                fSrcName = src;

                fDstName = dst;

                File f = new File(fDstName);

                if(f.exists())

                        f.delete();

                this.src = DefaultFLyrRaster.createLayer("lyr", new File(fSrcName));

        }

        /**

         * Constructor

         * @param src        Nombre del fichero fuente

         * @param dst        Nombre del fichero destino

         * @throws LoadLayerException 

         * @throws RasterDriverException 

         * @throws NotSupportedExtensionException 

         */

        public CopyDataset(String src, String dst, IncrementableTask incrementableTask) throws LoadLayerException {

                fSrcName = src;

                fDstName = dst;

                this.incrementableTask = incrementableTask;

                File f = new File(fDstName);

                if(f.exists())

                        f.delete();

                this.src = DefaultFLyrRaster.createLayer("lyr", new File(fSrcName));

        }

        /**

         * Funci?n que realiza la copia del dataset

         * @throws ProcessException 

         * @throws org.gvsig.raster.algorithm.process.ProcessException 

         * @throws InterruptedException 

         */

        @SuppressWarnings("deprecation")

        public void copy() throws ProcessInterruptedException, ProcessException {

                // Creaci?n de par?metros

                int[] dValues = new int[] { 0, (int) src.getDataStore().getHeight(), (int) src.getDataStore().getWidth(), 0 };

                int[] drawableBands = new int[src.getDataStore().getBandCount()];

                for (int i = 0; i < src.getDataStore().getBandCount(); i++)

                        drawableBands[i] = i;

                Params params = null;

                try {

                        params = rManager.createWriter(fDstName).getParams();

                } catch (NotSupportedExtensionException e1) {

                        RasterSwingLibrary.messageBoxError("no_driver_escritura", this, e1);

                } catch (RasterDriverException e1) {

                        RasterSwingLibrary.messageBoxError("no_driver_escritura", this, e1);

                }

                // Lanzamiento del proceso de guardado

                clippingProcess = new ClippingProcess();

                clippingProcess.setActions(new SaveAsActions());

                if(incrementableTask != null)

                        clippingProcess.addParam("cancellable", new ExternalCancellable(incrementableTask));

                clippingProcess.addParam("showenddialog", new Boolean(false));

                clippingProcess.addParam("pixelcoordinates", dValues);

                int index = fDstName.lastIndexOf(".");

                if(index > 0) {

                        String suffix = fDstName.substring(index, fDstName.length());

                        if(suffix.length() == 4)

                                clippingProcess.addParam("suffix", suffix);

                }

                clippingProcess.addParam("filename", fDstName);

                clippingProcess.addParam("layer", src.getDataStore());

                clippingProcess.addParam("drawablebands", drawableBands);

                clippingProcess.addParam("colorInterpretation", src.getDataStore().getColorInterpretation());

                clippingProcess.addParam("onelayerperband", new Boolean(false));

                clippingProcess.addParam("interpolationmethod", new Integer(Buffer.INTERPOLATION_NearestNeighbour));

                clippingProcess.addParam("affinetransform", src.getDataStore().getAffineTransform());

                clippingProcess.addParam("resolution", new int[]{(int) src.getDataStore().getWidth(),

                                                                                                                 (int) src.getDataStore().getHeight()});

                clippingProcess.addParam("driverparams", params);

                clippingProcess.execute();

        }

        /**

         * Obtiene el incremento de escritura

         * @return

         */

        public int getPercent() {

                if(clippingProcess != null)

                        return clippingProcess.getPercent();

                return 0;

        }

}