gvsig-raster / org.gvsig.raster.tools / trunk / org.gvsig.raster.tools / org.gvsig.raster.tools.algorithm / org.gvsig.raster.tools.algorithm.saveraster / src / main / java / org / gvsig / raster / tools / algorithm / saveraster / SaveRasterProcess.java @ 2848
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.tools.algorithm.saveraster; |
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import java.awt.Dimension; |
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import java.awt.geom.AffineTransform; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.Date; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.RasterManager; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.datastruct.Params; |
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import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData; |
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.process.TaskEventManager; |
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import org.gvsig.fmap.dal.coverage.store.DataServerWriter; |
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import org.gvsig.fmap.dal.coverage.store.RasterWriter; |
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import org.gvsig.fmap.dal.coverage.util.CRSUtils; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.layers.FLayers; |
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import org.gvsig.raster.algorithm.process.ProcessException; |
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import org.gvsig.raster.algorithm.process.DataProcess; |
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/**
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* Thread que se encarga de llamar a los writer para realizar la tarea de
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* salvado y/p compresi?n
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class SaveRasterProcess extends DataProcess { |
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public static String VIEWPORT = "ViewPort"; |
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public static String PATH = "Path"; |
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public static String DIMENSION = "Dimension"; |
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public static String BLOCKSIZE = "Blocksize"; |
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public static String FILENAME = "FileName"; |
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public static String PARAMS = "WriterParams"; |
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public static String FLYRS = "FLyrs"; |
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public static String TIME = "Time"; |
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public static String PROJECTION = "Projection"; |
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private IProjection projection = null; |
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private ViewPort viewPort = null; |
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private Dimension dimension = null; |
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private RasterizeFLayers rasterizerLayer = null; |
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private String fileName = ""; |
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private Params writerParams = null; |
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//private CopyDataset jp2Copy = null;
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private boolean supportImage = false; |
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private RasterManager rManager = RasterLocator.getManager();
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//private Logger logger = LoggerFactory.getLogger(RasterProcess.class.toString());
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public static void registerParameters() { |
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registerInputParameter(VIEWPORT, ViewPort.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL); |
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registerInputParameter(PATH, String.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL);
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registerInputParameter(DIMENSION, Dimension.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL);
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registerInputParameter(FLYRS, FLayers.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL); |
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registerInputParameter(PARAMS, Params.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL); |
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registerOutputParameter(PROJECTION, IProjection.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL); |
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registerOutputParameter(FILENAME, String.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL);
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registerOutputParameter(TIME, Long.class, SaveRasterAlgorithmLibrary.PROCESS_LABEL);
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} |
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public void init() { |
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viewPort = getParam(VIEWPORT) != null ? (ViewPort)getParam(VIEWPORT) : null; |
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dimension = getParam(DIMENSION) != null ? (Dimension) getParam(DIMENSION) : null; |
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FLayers flyrs = getParam(FLYRS) != null ? (FLayers) getParam(FLYRS) : null; |
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int blockSize = getIntParam(BLOCKSIZE);
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rasterizerLayer = new RasterizeFLayers(flyrs, viewPort, blockSize);
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fileName = getStringParam(FILENAME); |
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writerParams = getParam(PARAMS) != null ? (Params) getParam(PARAMS) : null; |
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projection = getParam(PROJECTION) != null ? (IProjection) getParam(PROJECTION) : null; |
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//supportImage = getBooleanParam("remotelayers") && fileName.endsWith(".jp2");
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} |
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/**
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* Procesos de escritura de una porci?n de la vista.
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*/
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public void process() throws ProcessInterruptedException, ProcessException { |
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TaskEventManager task = rManager.getRasterTask(); |
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//jp2Copy = null;
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long t2;
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long t1 = new java.util.Date().getTime(); |
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//Creamos el driver
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Envelope env = viewPort.getAdjustedEnvelope(); |
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Extent ex = rManager.getDataStructFactory().createExtent(env.getMinimum(0), env.getMaximum(1), env.getMaximum(0), env.getMinimum(1)); |
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Dimension imgSz = viewPort.getImageSize();
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ViewPortData vpData = rManager.getDataStructFactory().createViewPortData(viewPort.getProjection(), ex, imgSz ); |
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vpData.setDPI((int)viewPort.getDPI());
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AffineTransform at = new AffineTransform(vpData.getExtent().width() / imgSz.width, |
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0, 0, |
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-(vpData.getExtent().height() / imgSz.height), |
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vpData.getExtent().getULX(), |
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vpData.getExtent().getULY()); |
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String oldFileName = fileName;
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if(supportImage) {
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fileName = fileName.substring(0, Math.min(fileName.lastIndexOf(File.separator) + 1, fileName.length() - 1)); |
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fileName += rManager.getFileUtils().usesOnlyLayerName() + ".tif";
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writerParams = getWriterParams(fileName); |
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} |
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//Ejecutamos el driver con los datos pasados
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try {
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write(fileName, at, writerParams, rasterizerLayer); |
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if(task.getEvent() != null) |
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task.manageEvent(task.getEvent()); |
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/*if(supportImage) {
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try {
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insertLineLog(Messages.getText("saving_jp2"));
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jp2Copy = new CopyDataset(fileName, oldFileName, incrementableTask);
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jp2Copy.copy();
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new File(fileName).delete();
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new File(rManager.getFileUtils().getRMFNameFromFileName(fileName)).delete();
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} catch (LoadLayerException e) {
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throw new ProcessException("error_processing", e);
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}
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jp2Copy = null;
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} */
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t2 = new Date().getTime(); |
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try {
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saveRasterFinalize(oldFileName, (t2 - t1)); |
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} catch(ArrayIndexOutOfBoundsException exc) { |
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//Si la ventana se ha cerrado ya es porque ha sido cancelada por lo que
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//producir? esta excepci?n. En este caso no se lanza la ventana de informaci?n
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//de finalizaci?n.
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} |
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} catch(IOException ev) { |
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throw new ProcessException("error_processing", ev); |
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} catch(OutOfMemoryError ev) { |
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throw new ProcessException("memoria_excedida", ev); |
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} finally {
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if (incrementableTask != null) { |
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incrementableTask.processFinalize(); |
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incrementableTask = null;
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} |
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} |
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} |
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/**
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*
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* @param name
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* @param at
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* @throws IOException
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* @throws ProcessException
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* @throws InterruptedException
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*/
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private void write(String name, AffineTransform at, Params writerParams, DataServerWriter rasterizerLayer) throws IOException, ProcessInterruptedException, ProcessException { |
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//TODO: Usar el nuevo API basado en NewRasterStoreParameters y DataServerExplorer. Ejemplo en ClippingProcess
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TaskEventManager task = rManager.getRasterTask(); |
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RasterWriter geoRasterWriter = null;
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try {
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//TODO: FUNCIONALIDAD: Poner los gerWriter con la proyecci?n de la vista
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geoRasterWriter = rManager.createWriter(rasterizerLayer, name, |
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3, at, dimension.width,
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dimension.height, Buffer.TYPE_IMAGE, writerParams, null); |
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CRSUtils crsUtil = RasterLocator.getManager().getCRSUtils(); |
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geoRasterWriter.setWkt(crsUtil.convertIProjectionToWkt(projection)); |
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} catch (NotSupportedExtensionException e) {
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throw new ProcessException("extension_no_soportada", e); |
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} catch (RasterDriverException e) {
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throw new ProcessException("no_driver_escritura", e); |
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} |
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if(task.getEvent() != null) |
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task.manageEvent(task.getEvent()); |
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geoRasterWriter.setCancellableRasterDriver(new ExternalCancellable(incrementableTask));
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geoRasterWriter.dataWrite(); |
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geoRasterWriter.writeClose(); |
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} |
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/**
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* Obtiene los par?metros del driver de escritura. Si el driver no se ha creado a?n se obtienen
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* unos par?metros con la inicializaci?n por defecto. Si se ha creado ya y se han modificado se
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* devuelven los par?metros con las modificaciones. Si se cambia de driver se devolver? un WriterParams
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* como si fuera la primera vez que se abre.
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* @param name Nombre del fichero sobre el que se salva.
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* @return WriterParams
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*/
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private Params getWriterParams(String name) throws ProcessException { |
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RasterWriter writer = null;
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String ext = rManager.getFileUtils().getExtensionFromFileName(name);
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try {
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if(writer == null) //La primera vez que se obtiene el driver |
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writer = rManager.createWriter(name); |
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else {
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String newType = rManager.getProviderServices().getWriteDriverType(ext);
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String oldType = writer.getDriverName();
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if(!newType.equals(oldType)) //Cambio de driver despu?s de haber seleccionado y modificado las propiedades de uno |
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writer = rManager.createWriter(name); |
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} |
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if(writer == null) |
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throw new ProcessException("no_driver_escritura"); |
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return writer.getParams();
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} catch (NotSupportedExtensionException e1) {
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throw new ProcessException("no_driver_escritura", e1); |
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} catch (RasterDriverException e1) {
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throw new ProcessException("no_driver_escritura", e1); |
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} |
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} |
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/**
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* Acciones que se realizan al finalizar de salvar a raster.
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* @param fileName Nombre del fichero
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* @param milis Tiempo que ha tardado en ejecutarse
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*/
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private void saveRasterFinalize(String fileName, long milis) { |
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if (incrementableTask != null) |
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incrementableTask.hideWindow(); |
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externalActions.end(new Object[]{fileName, new Long(milis)}); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getPercent()
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*/
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public int getPercent() { |
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if(rasterizerLayer != null) |
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return rasterizerLayer.getPercent();
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getTitle()
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*/
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public String getTitle() { |
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if(rasterizerLayer != null) |
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return rasterizerLayer.getTitle();
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.rastertools.RasterProcess#getLog()
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*/
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public String getLog() { |
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if(rasterizerLayer != null) |
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return rasterizerLayer.getLog();
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLabel()
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*/
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public String getLabel() { |
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if(rasterizerLayer != null) |
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return rasterizerLayer.getLabel();
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return null; |
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} |
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} |