svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / clipping / ClippingProcess.java @ 16167
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.rastertools.clipping; |
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import java.awt.geom.AffineTransform; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import org.apache.log4j.Logger; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.gui.beans.incrementabletask.IncrementableEvent; |
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import org.gvsig.gui.beans.incrementabletask.IncrementableListener; |
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import org.gvsig.gui.beans.incrementabletask.IncrementableTask; |
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import org.gvsig.raster.buffer.BufferFactory; |
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import org.gvsig.raster.buffer.BufferInterpolation; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.dataset.GeoRasterWriter; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.dataset.IRasterDataSource; |
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import org.gvsig.raster.dataset.InvalidSetViewException; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.Params; |
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import org.gvsig.raster.dataset.RasterDataset; |
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import org.gvsig.raster.dataset.RasterDriverException; |
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import org.gvsig.raster.dataset.io.rmf.RmfBlocksManager; |
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import org.gvsig.raster.datastruct.ColorTable; |
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import org.gvsig.raster.datastruct.serializer.ColorTableRmfSerializer; |
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import org.gvsig.raster.grid.GridPalette; |
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import org.gvsig.raster.grid.filter.RasterFilterList; |
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import org.gvsig.raster.grid.filter.bands.ColorTableFilter; |
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import org.gvsig.raster.process.CancelEvent; |
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import org.gvsig.raster.process.RasterTask; |
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import org.gvsig.raster.process.RasterTaskQueue; |
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import org.gvsig.raster.util.RasterNotLoadException; |
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import org.gvsig.raster.util.RasterToolsUtil; |
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import org.gvsig.raster.util.RasterUtilities; |
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import org.gvsig.rastertools.IProcessActions; |
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import org.gvsig.rastertools.RasterModule; |
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/**
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* <code>ClippingProcess</code> es un proceso que usa un <code>Thread</code>
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* para calcular el recorte de una capa.
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*
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* @version 24/04/2007
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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*/
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public class ClippingProcess implements IncrementableListener, Runnable { |
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private String fileName = ""; |
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private IncrementableTask incrementableTask = null; |
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private volatile Thread blinker = null; |
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private WriterBufferServer writerBufferServer = null; |
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private FLyrRasterSE rasterSE = null; |
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private AffineTransform affineTransform = new AffineTransform(); |
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private boolean oneLayerPerBand = false; |
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private int[] drawableBands = { 0, 1, 2 }; |
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private int[] dValues = null; |
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private GeoRasterWriter grw = null; |
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private int interpolationMethod = BufferInterpolation.INTERPOLATION_Undefined; |
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private boolean loadedInToc = true; |
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private String viewName = ""; |
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private Params params = null; |
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private RasterTask rasterTask = new RasterTask(this); |
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private IProcessActions externalActions = null; |
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/**
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* Variables de la resoluci?n de salida
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*/
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private int resolutionWidth = 0; |
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private int resolutionHeight = 0; |
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/**
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* Crea un <code>ClippingProcess</code> para generar un recorte
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* @param dValues
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* @param fileName
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* @param writerBufferServer
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* @param rasterMultiDataset
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* @param extent
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* @param drawableBands
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* @param oneLayerPerBand
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*/
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public ClippingProcess(String viewName, int[] dValues, String fileName, |
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WriterBufferServer writerBufferServer, FLyrRasterSE rasterSE) {
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this.fileName = fileName;
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this.writerBufferServer = writerBufferServer;
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this.rasterSE = rasterSE;
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this.dValues = dValues;
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this.viewName = viewName;
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} |
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/**
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* Arranca el proceso de recorte de un layer
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*/
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public void start() { |
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blinker = new Thread(this); |
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blinker.start(); |
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} |
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/**
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* Establecer la resolucion de salida al crear el recorte
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* @param width
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* @param height
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*/
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public void setResolution(int width, int height) { |
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resolutionWidth = width; |
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resolutionHeight = height; |
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} |
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/**
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* Salva la tabla de color al fichero rmf.
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* @param fName
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* @throws IOException
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*/
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private void saveToRmf(String fileName) { |
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fileName = RasterUtilities.getNameWithoutExtension(fileName) + ".rmf";
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RasterDataset rds = null;
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int limitNumberOfRequests = 20; |
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while(rds == null && limitNumberOfRequests > 0) { |
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try {
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rds = rasterSE.getDataSource().getDataset(0)[0]; |
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} catch(IndexOutOfBoundsException e) { |
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//En ocasiones, sobre todo con servicios remotos al pedir un datasource da una excepci?n de este tipo
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//se supone que es porque hay un refresco en el mismo momento de la petici?n por lo que como es m?s lento de
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//gestionar pilla a la capa sin datasources asociados ya que est? reasignandolo. Si volvemos a pedirlo debe
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//haberlo cargado ya.
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try {
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Thread.sleep(200); |
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} catch (InterruptedException e1) { |
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} |
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} |
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limitNumberOfRequests --; |
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} |
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if(rds == null) { |
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//RasterToolsUtil.messageBoxError("error_load_layer", this, new Exception("Error writing RMF. limitNumberOfRequests=" + limitNumberOfRequests));
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return;
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} |
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RmfBlocksManager manager = rds.getRmfBlocksManager(); |
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RasterFilterList rasterFilterList = rasterSE.getRenderFilterList(); |
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ColorTableFilter colorTableFilter = (ColorTableFilter) rasterFilterList.getByName(ColorTableFilter.names[0]);
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if (colorTableFilter != null) { |
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GridPalette gridPalette = new GridPalette((ColorTable) colorTableFilter.getColorTable().clone());
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ColorTableRmfSerializer ser = new ColorTableRmfSerializer(gridPalette);
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manager.setPath(fileName); |
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if (!manager.checkRmf())
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return;
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manager.addClient(ser); |
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try {
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RasterUtilities.copyFile(manager.getPath(), manager.getPath() + "~");
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manager.write(); |
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} catch (FileNotFoundException e) { |
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e.printStackTrace(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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manager.removeClient(ser.getClass()); |
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} |
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} |
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/**
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* M?todo donde se ejecutar? el Thread, aqu? se genera el recorte
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*/
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public void run() { |
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try {
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RasterTaskQueue.register(rasterTask); |
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long t2;
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long t1 = new java.util.Date().getTime(); |
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IRasterDataSource d = rasterSE.getDataSource().copy(); |
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BufferFactory bufferFactory = new BufferFactory(d);
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bufferFactory.setDrawableBands(getDrawableBands()); |
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IBuffer buffer = null;
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if( getInterpolationMethod() != BufferInterpolation.INTERPOLATION_Undefined &&
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getInterpolationMethod() != BufferInterpolation.INTERPOLATION_NearestNeighbour) {
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try {
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bufferFactory.setAreaOfInterest(dValues[0], dValues[3], dValues[2] - dValues[0], dValues[1] - dValues[3]); |
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} catch (InvalidSetViewException e) {
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Logger.getLogger(this.getClass().getName()).debug("No se ha podido asignar la vista al inicial el proceso de recorte.", e); |
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} |
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buffer = bufferFactory.getRasterBuf(); |
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buffer = ((RasterBuffer)buffer).getAdjustedWindow(resolutionWidth, resolutionHeight, getInterpolationMethod()); |
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} else {
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try {
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bufferFactory.setAreaOfInterest(dValues[0], dValues[3], Math.abs(dValues[2] - dValues[0]), Math.abs(dValues[1] - dValues[3]), resolutionWidth, resolutionHeight); |
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buffer = bufferFactory.getRasterBuf(); |
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} catch (InvalidSetViewException e) {
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Logger.getLogger(this.getClass().getName()).debug("No se ha podido asignar la vista al inicial el proceso de recorte.", e); |
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} |
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} |
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//TODO: FUNCIONALIDAD: Poner los getWriter con la proyecci?n del fichero fuente
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String finalFileName = ""; |
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if (isOneLayerPerBand()) {
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for (int i = 0; i < drawableBands.length; i++) { |
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finalFileName = fileName + "_B" + drawableBands[i] + ".tif"; |
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writerBufferServer.setBuffer(buffer, i); |
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Params p = null;
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if (params == null) |
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p = GeoRasterWriter.getWriter(finalFileName).getParams(); |
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else
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p = params; |
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grw = GeoRasterWriter.getWriter(writerBufferServer, finalFileName, 1,
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getAffineTransform(), buffer.getWidth(), buffer.getHeight(), |
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buffer.getDataType(), p, null);
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grw.setWkt(d.getWktProjection()); |
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grw.dataWrite(); |
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grw.writeClose(); |
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saveToRmf(finalFileName); |
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t2 = new java.util.Date().getTime();
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cutFinalize(finalFileName, (t2 - t1)); |
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t1 = new java.util.Date().getTime();
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} |
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} else {
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writerBufferServer.setBuffer(buffer, -1);
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if (params == null) { |
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finalFileName = fileName + ".tif";
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params = GeoRasterWriter.getWriter(finalFileName).getParams(); |
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} else
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finalFileName = fileName; |
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grw = GeoRasterWriter.getWriter(writerBufferServer, finalFileName, |
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buffer.getBandCount(), getAffineTransform(), buffer.getWidth(), |
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buffer.getHeight(), buffer.getDataType(), params, null);
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grw.setWkt(d.getWktProjection()); |
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grw.dataWrite(); |
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grw.writeClose(); |
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saveToRmf(finalFileName); |
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t2 = new java.util.Date().getTime();
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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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//Damos tiempo a parar el Thread del incrementable para que no se cuelgue la ventana
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//El tiempo es como m?nimo el de un bucle de del run de la tarea incrementable
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Thread.sleep(600); |
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cutFinalize(finalFileName, (t2 - t1)); |
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} |
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d.close(); |
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} catch (NotSupportedExtensionException e) {
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Logger.getLogger(this.getClass().getName()).debug("No se ha podido obtener el writer. Extensi?n no soportada", e); |
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} catch (RasterDriverException e) {
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Logger.getLogger(this.getClass().getName()).debug("No se ha podido obtener el writer.", e); |
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} catch (IOException e) { |
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Logger.getLogger(this.getClass().getName()).debug("Error en la escritura en GeoRasterWriter.", e); |
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} catch (InterruptedException e) { |
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if (externalActions != null) |
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externalActions.interrupted(); |
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Thread.currentThread().interrupt();
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} finally {
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RasterTaskQueue.remove(rasterTask); |
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if (incrementableTask != null) |
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incrementableTask.processFinalize(); |
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} |
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} |
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/**
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* Establece el <code>IncrementableTask</code>
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* @param value
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*/
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public void setIncrementableTask(IncrementableTask value) { |
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incrementableTask = value; |
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incrementableTask.addIncrementableListener(this);
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IncrementableListener#actionCanceled(org.gvsig.gui.beans.incrementabletask.IncrementableEvent)
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*/
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public void actionCanceled(IncrementableEvent e) { |
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rasterTask.setEvent(new CancelEvent(this)); |
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} |
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/**
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* Acciones que se realizan al finalizar de crear los recortes de imagen.
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* Este m?todo es llamado por el thread TailRasterProcess al finalizar.
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*/
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private void cutFinalize(String fileName, long milis) { |
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/*if (!isLoadedInToc()) {
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externalActions.end(new Object[]{fileName, new Long(milis)});
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return;
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}*/
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if (!new File(fileName).exists()) |
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return;
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if(RasterToolsUtil.messageBoxYesOrNot("cargar_toc", this)) { |
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try {
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RasterToolsUtil.loadLayer(viewName, fileName, null);
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} catch (RasterNotLoadException e) {
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RasterToolsUtil.messageBoxError("error_load_layer", this, e); |
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} |
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} |
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if (externalActions != null) { |
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RasterModule.layerCount++; |
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externalActions.end(new Object[]{fileName, new Long(milis)}); |
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} |
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} |
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/**
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* Asigna los par?metros si estos han de ser cambiados. En caso de
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* que no se asignen se usaran los que tiene el driver por defecto.
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* @param params Par?metros del driver de escritura.
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*/
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public void setParams(Params params) { |
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this.params = params;
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} |
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public boolean isLoadedInToc() { |
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return loadedInToc;
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} |
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public void setLoadedInToc(boolean loadedInToc) { |
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this.loadedInToc = loadedInToc;
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} |
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public int[] getDrawableBands() { |
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return drawableBands;
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} |
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public void setDrawableBands(int[] drawableBands) { |
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this.drawableBands = drawableBands;
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} |
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public boolean isOneLayerPerBand() { |
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return oneLayerPerBand;
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} |
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public void setOneLayerPerBand(boolean oneLayerPerBand) { |
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this.oneLayerPerBand = oneLayerPerBand;
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} |
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public int getInterpolationMethod() { |
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return interpolationMethod;
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} |
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public void setInterpolationMethod(int interpolationMethod) { |
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this.interpolationMethod = interpolationMethod;
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} |
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public AffineTransform getAffineTransform() { |
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return affineTransform;
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} |
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public void setAffineTransform(AffineTransform affineTransform) { |
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this.affineTransform = affineTransform;
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} |
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/**
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* Obtiene el objeto para ejecutar acciones externar.
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* @param IProcessActions
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*/
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public IProcessActions getActions() {
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return externalActions;
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} |
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/**
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* Asigna el objeto para ejecutar acciones externar.
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* @param IProcessActions
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*/
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public void setActions(IProcessActions actions) { |
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this.externalActions = actions;
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} |
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public void actionResumed(IncrementableEvent e) {} |
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public void actionSuspended(IncrementableEvent e) {} |
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} |