root / trunk / extensions / extRemoteSensing / src / org / gvsig / remotesensing / tasseledcap / TasseledCapProcess.java @ 14720
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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) 2006 Instituto de Desarrollo Regional 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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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Iba?ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
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* Campus Universitario s/n
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* 02071 Alabacete
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* Spain
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*
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* +34 967 599 200
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*/
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package org.gvsig.remotesensing.tasseledcap; |
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import java.awt.geom.AffineTransform; |
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import java.io.IOException; |
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import org.gvsig.gui.beans.incrementabletask.IIncrementable; |
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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.RasterBuffer; |
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import org.gvsig.raster.buffer.RasterBufferInvalidAccessException; |
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import org.gvsig.raster.buffer.RasterBufferInvalidException; |
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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.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.RasterDriverException; |
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import org.gvsig.raster.grid.Grid; |
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import org.gvsig.raster.grid.GridExtent; |
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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.rastertools.RasterModule; |
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import org.gvsig.rastertools.cutting.WriterBufferServer; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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/**
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* Implementaci?n de la transformaci?n Tasseled Cap. La Trasformaci?n es aplicable a imagenes
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* LandSat MS, LandSatTM y LandSantETM
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*
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* @author Alejandro Mu?oz
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*
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*/
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public class TasseledCapProcess implements Runnable, IIncrementable, IncrementableListener{ |
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private Grid grid = null; |
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private IncrementableTask incrementableTask = null; |
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private int percent = 0; |
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private View view = null; |
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private int type = 0; |
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private String layerName = null; |
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private Thread blinker = null; |
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private WriterBufferServer writerBufferServer = null; |
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protected IBuffer rasterResult = null; |
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private AffineTransform atransform = null; |
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private RasterTask rasterTask = new RasterTask(this); |
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private IRasterDataSource raster = null; |
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/**
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* Constructor.
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*
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* @param raster raster al que se aplica la transformacion
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* @param view vista actual
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* @param type tipo de imagen: <code>1</code> LandSat MS, <code>2</code> LandSat TM, <code>3</code> LandSat ETM+
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* @param layerName nombre de la capa generada
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*/
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public TasseledCapProcess(IRasterDataSource raster,View view,int typeTransformation, String layerName) { |
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this.raster= raster;
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this.view = view;
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this.type = typeTransformation;
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this.layerName = layerName;
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this.atransform= raster.getOwnAffineTransform();
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} |
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/**
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* Lanza el proceso.
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*
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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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* Proceso.
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*/
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public void run() { |
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RasterTaskQueue.register(rasterTask); //Registro de la tarea
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double matrixParams[][]= null; |
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switch (type){
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case 0: |
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// MATRIZ COEFICIENTES IMAGEN LANDSAT MS
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double LandSatMS[][]= |
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{
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/* Brillo de suelo */ {0.433, 0.632, 0.586, 0.264}, |
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/* Indice de Verdor */ {-0.290, -0.562, 0.600, 0.491}, |
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/* Indice de Senescencia*/{-0.829, 0.522, -0.039, 0.194}, |
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/* Cuarta */ {0.223, 0.012, -0.543, 0.810} |
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}; |
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matrixParams=LandSatMS; |
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break;
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case 1: |
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// MATRIZ COEFICIENTES IMAGEN LANDSAT TM
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double LandSatTM[][]={ |
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/* Brillo */ {0.33183, 0.33121, 0.55177, 0.42514, 0.48087, 0.25252 }, |
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/* Verdor */ {-0.24717, -0.16263, -0.40639, 0.85468, 0.05493, -0.11749 }, |
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/* Tercera */ {0.13929, 0.22490, 0.40359, 0.25178, -0.70133, -0.45732 }, |
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}; |
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matrixParams= LandSatTM; |
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break;
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case 2: |
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// MATRIZ COEFICIENTES IMAGEN LANDSAT ETM
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double LandSatETM[][]={ |
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/* Brightness */ {0.3561, 0.3972, 0.3904, 0.6966, 0.2286, 0.1596 }, |
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/* Greenness */ {-0.3344, -0.3544, -0.4556, 0.6966, -0.0242, -0.2630}, |
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/* Vetness */ {0.2626, 0.2141, 0.0926, 0.0656, -0.7629, -0.5388 }, |
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/* Fourth */ {0.0805, -0.0498, 0.1950, -0.1327, 0.5752, -0.7775 }, |
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/* Fifth */ {-0.7252, -0.0202, 0.6683, 0.0631, -0.1494, -0.0274 }, |
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/* Sixth */ {0.4000, -0.8172, 0.3832, 0.0602, -0.1095, -0.0985 } |
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}; |
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matrixParams= LandSatETM; |
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break;
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} |
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percent=0;
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setGrid(); |
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GridExtent layerExtent = null;
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layerExtent= grid.getGridExtent(); |
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rasterResult = RasterBuffer.getBuffer(IBuffer.TYPE_FLOAT,layerExtent.getNX(), layerExtent.getNY(), matrixParams.length, true);
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// Algoritmo TasseledCap. Trasformacion
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int valor=0; |
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int iNX=layerExtent.getNY();
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int iNY=layerExtent.getNX();
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try{
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// BUFFER TYPE_BYTE
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if (grid.getRasterBuf().getDataType()== IBuffer.TYPE_BYTE){
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for(int i=0; i<iNY;i++ ) { |
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for (int j=0; j<iNX;j++){ |
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for (int k=0; k<matrixParams.length; k++){ |
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for(int s=0;s<matrixParams[0].length;s++) |
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{ grid.setBandToOperate(s);
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valor+=(double)grid.getCellValueAsByte(i,j)*matrixParams[k][s];
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} |
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rasterResult.setElem(j, i,k,(float) valor);
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valor=0;
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} |
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} |
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percent = i*100/grid.getNY();
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} |
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} |
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// BUFFER TYPE_SHORT
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if (grid.getRasterBuf().getDataType()== IBuffer.TYPE_SHORT){
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for(int i=0; i<iNY;i++ ) { |
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for (int j=0; j<iNX;j++){ |
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for (int k=0; k<matrixParams.length ; k++){ |
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for(int s=0;s<matrixParams[0].length;s++) |
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{ grid.setBandToOperate(s);
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valor+=(double)grid.getCellValueAsShort(i,j)*matrixParams[k][s];
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} |
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rasterResult.setElem(j, i,k,(float) valor);
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valor=0;
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} |
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} |
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percent = i*100/grid.getNY();
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} |
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} |
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// BUFFER TYPE INT
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if (grid.getRasterBuf().getDataType()== IBuffer.TYPE_INT){
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for(int i=0; i<iNY;i++ ) { |
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for (int j=0; j<iNX;j++){ |
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for (int k=0; k<matrixParams.length ; k++){ |
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for(int s=0;s<matrixParams[0].length;s++) |
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{ grid.setBandToOperate(s);
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valor+=(double)grid.getCellValueAsInt(i,j)*matrixParams[k][s];
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} |
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rasterResult.setElem(j, i,k,(float) valor);
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valor=0;
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} |
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} |
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percent = i*100/grid.getNY();
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} |
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} |
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// BUFFER TYPE FLOAT
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if (grid.getRasterBuf().getDataType()== IBuffer.TYPE_FLOAT){
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for(int i=0; i<iNY;i++ ) { |
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for (int j=0; j<iNX;j++){ |
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for (int k=0; k<matrixParams.length ; k++){ |
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for(int s=0;s<matrixParams[0].length;s++) |
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{ grid.setBandToOperate(s);
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valor+=(double)grid.getCellValueAsFloat(i,j)*matrixParams[k][s];
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} |
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rasterResult.setElem(j, i,k,(float) valor);
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valor=0;
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} |
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} |
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percent = i*100/grid.getNY();
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} |
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} |
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// BUFFER TYPE DOUBLE
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if (grid.getRasterBuf().getDataType()== IBuffer.TYPE_DOUBLE){
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for(int i=0; i<iNY;i++ ) { |
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for (int j=0; j<iNX;j++){ |
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for (int k=0; k<matrixParams.length ; k++){ |
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for(int s=0;s<matrixParams[0].length;s++) |
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{ grid.setBandToOperate(s);
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valor+=(double)grid.getCellValueAsDouble(i,j)*matrixParams[k][s];
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} |
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rasterResult.setElem(j, i,k, (float)valor);
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valor=0;
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} |
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} |
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percent = i*100/grid.getNY();
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} |
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} |
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// Escritura a disco
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GeoRasterWriter grw = null;
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writerBufferServer = new WriterBufferServer(rasterResult);
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int endIndex = layerName.lastIndexOf("."); |
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if (endIndex < 0) |
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endIndex = layerName.length(); |
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grw = GeoRasterWriter.getWriter(writerBufferServer, layerName, rasterResult.getBandCount(),atransform, rasterResult.getWidth(), rasterResult.getHeight(), rasterResult.getDataType(), GeoRasterWriter.getWriter(layerName).getParams(), null);
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grw.dataWrite(); |
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grw.setWkt(raster.getWktProjection()); |
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grw.writeClose(); |
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rasterResult.free(); |
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String viewName = PluginServices.getMDIManager().getWindowInfo(view).getTitle();
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try {
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RasterToolsUtil.loadLayer(viewName, layerName, null);
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} catch (RasterNotLoadException e) {
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RasterToolsUtil.messageBoxError("error_cargar_capa", this, e); |
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} |
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RasterModule.layerCount++; |
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} catch (NotSupportedExtensionException e) {
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} catch (RasterBufferInvalidAccessException e) {
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e.printStackTrace(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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Thread.currentThread().interrupt();
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} finally {
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if(incrementableTask!=null) |
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incrementableTask.processFinalize(); |
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RasterTaskQueue.remove(rasterTask); |
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} |
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} // Fin run()
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/**
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* Establece el grid con las bandas correspondientes dependiendo del tipo de Imagen.
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* */
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public void setGrid(){ |
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BufferFactory bufferFactory = new BufferFactory(raster);
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int bands[]=null; |
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if (raster.getBandCount()==7){ |
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int[] bands7 ={0,1,2,3,5,6}; |
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bands=bands7; |
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} |
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else{
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bands = new int [raster.getBandCount()]; |
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for(int i=0; i<raster.getBandCount();i++) |
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bands[i]=i; |
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} |
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try {
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bufferFactory.setAreaOfInterest(); |
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bufferFactory.setAllDrawableBands(); |
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grid = new Grid(bufferFactory, bands);
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} catch (RasterBufferInvalidException e) {
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e.printStackTrace(); |
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} catch (InterruptedException e1) { |
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e1.printStackTrace(); |
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} |
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} |
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public IBuffer getBufferResult(){
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return rasterResult;
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} |
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public String getLabel() { |
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return PluginServices.getText(this,"procesando"); |
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} |
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public String getLog() { |
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if (writerBufferServer==null) |
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return PluginServices.getText(this,"calculando_tasseled_cap")+"..."; |
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else
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return PluginServices.getText(this,"escribiendo_resultado")+"..."; |
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} |
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public int getPercent() { |
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if (writerBufferServer==null) |
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return percent;
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else
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return writerBufferServer.getPercent();
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} |
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public String getTitle() { |
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return PluginServices.getText(this,"tasseled_cap"); |
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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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public void actionResumed(IncrementableEvent e) { |
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} |
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public void actionSuspended(IncrementableEvent e) { |
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} |
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public void setIncrementableTask(IncrementableTask incrementableTask) { |
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this.incrementableTask = incrementableTask;
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this.incrementableTask.addIncrementableListener(this); |
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} |
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} |