svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / raster / util / process / ClippingProcess.java @ 20120
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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.raster.util.process; |
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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.raster.Configuration; |
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import org.gvsig.raster.RasterProcess; |
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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.buffer.WriterBufferServer; |
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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.io.RasterDriverException; |
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import org.gvsig.raster.dataset.io.rmf.RmfBlocksManager; |
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import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
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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.datastruct.serializer.NoDataRmfSerializer; |
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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.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 com.iver.cit.gvsig.fmap.layers.FLayer; |
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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 aplicar un recorte a una capa y guardarlo en disco. Muestra una barra
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* de incremento informativa.
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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 extends RasterProcess { |
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private String fileName = ""; |
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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 String viewName = ""; |
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private Params params = null; |
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private DatasetColorInterpretation colorInterp = 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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private IBuffer buffer = null; |
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/**
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* Par?metros obligatorios al proceso:
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* <UL>
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* <LI>filename: Nombre del fichero de salida</LI>
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* <LI>datawriter: Escritor de datos</LI>
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* <LI>viewname: Nombre de la vista sobre la que se carga la capa al acabar el proceso</LI>
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* <LI>pixelcoordinates: Coordenadas pixel del recorte</LI>
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* <LI>layer: Capa de entrada para el recorte</LI>
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* <LI>drawablebands: Bandas de entrada</LI>
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* <LI>onelayerperband: booleano que informa de si escribimos una banda por fichero de salida o todas en un fichero</LI>
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* <LI>interpolationmethod: M?todo de interpolaci?n.</LI>
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* <LI>affinetransform: Transformaci?n que informa al dataset de salida de su referencia geografica</LI>
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* <LI>resolution: Ancho y alto de la capa de salida</LI>
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* </UL>
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*/
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public void init() { |
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fileName = getStringParam("filename");
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writerBufferServer = (WriterBufferServer) getParam("datawriter");
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viewName = getStringParam("viewname");
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dValues = getIntArrayParam("pixelcoordinates");
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rasterSE = getLayerParam("layer");
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drawableBands = getIntArrayParam("drawablebands");
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oneLayerPerBand = getBooleanParam("onelayerperband");
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interpolationMethod = getIntParam("interpolationmethod");
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affineTransform = (AffineTransform)getParam("affinetransform"); |
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colorInterp = (DatasetColorInterpretation)getParam("colorInterpretation");
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if(getIntArrayParam("resolution") != null) { |
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resolutionWidth = getIntArrayParam("resolution")[0]; |
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resolutionHeight = getIntArrayParam("resolution")[1]; |
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} |
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params = (Params) getParam("driverparams");
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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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manager.setPath(fileName); |
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if (!manager.checkRmf())
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return;
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// A?adimos el serializador de NoData
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if (Configuration.getValue("nodata_transparency_enabled", Boolean.FALSE).booleanValue()) { |
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NoDataRmfSerializer ser = new NoDataRmfSerializer(Double.valueOf(rasterSE.getNoDataValue())); |
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manager.addClient(ser); |
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} |
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// A?adimos el serializador para tablas de color
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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.addClient(ser); |
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} |
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try {
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manager.write(true);
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} catch (FileNotFoundException e) { |
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RasterToolsUtil.messageBoxError("error_salvando_rmf", this, e); |
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} catch (IOException e) { |
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RasterToolsUtil.messageBoxError("error_salvando_rmf", this, e); |
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} |
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manager.deleteAllClients(); |
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} |
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/**
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* Tarea de recorte
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*/
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public void process() throws InterruptedException { |
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IRasterDataSource dsetCopy = null;
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try {
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long t2;
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long t1 = new java.util.Date().getTime(); |
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insertLineLog(RasterToolsUtil.getText(this, "leyendo_raster")); |
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dsetCopy = rasterSE.getDataSource().newDataset(); |
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BufferFactory bufferFactory = new BufferFactory(dsetCopy);
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bufferFactory.setDrawableBands(drawableBands); |
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if( interpolationMethod != BufferInterpolation.INTERPOLATION_Undefined &&
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interpolationMethod != BufferInterpolation.INTERPOLATION_NearestNeighbour) {
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try {
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if (RasterBuffer.isBufferTooBig(new double[] { dValues[0], dValues[3], dValues[2], dValues[1] }, drawableBands.length)) |
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bufferFactory.setReadOnly(true);
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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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insertLineLog(RasterToolsUtil.getText(this, "interpolando")); |
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buffer = ((RasterBuffer) buffer).getAdjustedWindow(resolutionWidth, resolutionHeight, interpolationMethod); |
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} else {
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try {
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if (RasterBuffer.isBufferTooBig(new double[] { 0, 0, resolutionWidth, resolutionHeight }, drawableBands.length)) |
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bufferFactory.setReadOnly(true);
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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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insertLineLog(RasterToolsUtil.getText(this, "salvando_imagen")); |
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String finalFileName = ""; |
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if (oneLayerPerBand) {
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long[] milis = new long[drawableBands.length]; |
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String[] fileNames = new String[drawableBands.length]; |
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for (int i = 0; i < drawableBands.length; i++) { |
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fileNames[i] = 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(fileNames[i]).getParams(); |
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else
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p = params; |
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grw = GeoRasterWriter.getWriter(writerBufferServer, fileNames[i], 1,
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affineTransform, buffer.getWidth(), buffer.getHeight(), |
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buffer.getDataType(), p, null);
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grw.setColorBandsInterpretation(new String[]{DatasetColorInterpretation.GRAY_BAND}); |
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grw.setWkt(dsetCopy.getWktProjection()); |
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grw.dataWrite(); |
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grw.writeClose(); |
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saveToRmf(fileNames[i]); |
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t2 = new java.util.Date().getTime();
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milis[i] = (t2 - t1); |
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t1 = new java.util.Date().getTime();
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} |
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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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if (RasterToolsUtil.messageBoxYesOrNot("cargar_toc", this)) { |
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try {
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for (int i = 0; i < drawableBands.length; i++) { |
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FLayer lyr = RasterToolsUtil.loadLayer(viewName, fileNames[i], null);
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if(lyr != null && lyr instanceof FLyrRasterSE) |
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((FLyrRasterSE)lyr).setRois(rasterSE.getRois()); |
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} |
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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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for (int i = 0; i < drawableBands.length; i++) { |
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if (externalActions != null) |
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externalActions.end(new Object[] { fileName, new Long(milis[i]) }); |
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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(), affineTransform, buffer.getWidth(), |
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buffer.getHeight(), buffer.getDataType(), params, null);
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if(colorInterp != null) |
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grw.setColorBandsInterpretation(colorInterp.getValues()); |
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grw.setWkt(dsetCopy.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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} 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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} finally {
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if (dsetCopy != null) |
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dsetCopy.close(); |
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buffer = null;
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} |
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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 (!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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FLayer lyr = RasterToolsUtil.loadLayer(viewName, fileName, null);
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if(lyr != null && lyr instanceof FLyrRasterSE) |
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((FLyrRasterSE)lyr).setRois(rasterSE.getRois()); |
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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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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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return (writerBufferServer != null) ? writerBufferServer.getPercent() : 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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return RasterToolsUtil.getText(this, "incremento_recorte"); |
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} |
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} |