Revision 17622 trunk/extensions/extRemoteSensing/src/org/gvsig/remotesensing/scatterplot/listener/RoiFromChartProcess.java
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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) 2007 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 Ib??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.scatterplot.listener; |
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import java.util.ArrayList; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.grid.Grid; |
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import org.gvsig.raster.grid.roi.ROI; |
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import org.gvsig.remotesensing.scatterplot.chart.ROIChart; |
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import org.jfree.data.Range; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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/** |
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* Clase que implementa el proceso de construcci?n de una roi a partir de una |
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* ROi definida en el gr?fico de dispersion.
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* ROIChart definida en el gr?fico de dispersion.
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* |
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* @author Alejandro Mu?oz Sanchez (alejandro.munoz@uclm.es) |
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* @version 11/12/2007 |
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*/ |
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public class RoiFromChartProcess {
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private Grid grid=null; |
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private ROIChart roiToExport= null; |
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/** |
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* Constructor |
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* @param roiToExport roiChart que va a ser a exportar |
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* @grid grid asociado (unica mente dispone de las dos bandas seleccionadas en el grafico) |
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* |
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**/ |
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public RoiFromChartProcess(ROIChart roiToExport, Grid grid){
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this.roiToExport= roiToExport; |
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this.grid= grid; |
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} |
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public void createVectorialRoi(){
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/** |
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* Metodo que construye la ROI Vectorial a?adiendo un punto por |
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* cada pixel que se encuentra en el conjunto de rangos especificados. |
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* |
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* @return roi vectorial creada |
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* */ |
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public ROI createVectorialRoi(){
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VectorialROI newRoi = new VectorialROI(grid); |
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newRoi.setColor(roiToExport.getColor()); |
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newRoi.setName(roiToExport.getName()); |
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double valorBandX= 0; |
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double valorBandY=0; |
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Range rango[] = null; |
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int nY = grid.getNY(); |
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IBuffer buffer = grid.getRasterBuf(); |
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ArrayList rangos= roiToExport.getRanges(); |
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double mapX=0; |
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double mapY=0; |
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// Caso de buffer tipo BYTE |
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if(buffer.getDataType() == RasterBuffer.TYPE_BYTE) |
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{
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for (int j=0; j<nY; j++){
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for(int i=0; i<nX; i++) |
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{
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valorBandX= buffer.getElemByte(j,i,0); |
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valorBandY= buffer.getElemByte(j,i,1); |
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valorBandX= buffer.getElemByte(j,i,0)&0xff;
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valorBandY= buffer.getElemByte(j,i,1)&0xff;
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Iterator iterator =rangos.iterator(); |
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while(iterator.hasNext()){
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rango=(Range[]) iterator.next(); |
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if(isInside(valorBandX,rango[0]) && isInside(valorBandY,rango[1])){
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double mapX = grid.getGridExtent().getMin().getX()+i*grid.getCellSize();
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double mapY = grid.getGridExtent().getMax().getY()-j*grid.getCellSize();
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mapX = grid.getGridExtent().getMin().getX()+i*grid.getCellSize(); |
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mapY = grid.getGridExtent().getMax().getY()-j*grid.getCellSize(); |
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IGeometry geometry = ShapeFactory.createPoint2D(mapX,mapY); |
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newRoi.addGeometry(geometry); // Geometria |
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} |
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} |
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} |
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// Caso de buffer tipo SHORT |
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if(buffer.getDataType() == RasterBuffer.TYPE_SHORT) |
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{
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for (int j=0; j<nY; j++){
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for(int i=0; i<nX; i++) |
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for(int i=0; i<nX; i++) |
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{
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valorBandX= buffer.getElemShort(j,i,0); |
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valorBandY= buffer.getElemShort(j,i,1); |
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while(iterator.hasNext()){
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rango=(Range[]) iterator.next(); |
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if(isInside(valorBandX,rango[0]) && isInside(valorBandY,rango[1])){
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double mapX = grid.getGridExtent().getMin().getX()+i*grid.getCellSize();
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double mapY = grid.getGridExtent().getMax().getY()-j*grid.getCellSize();
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mapX = grid.getGridExtent().getMin().getX()+i*grid.getCellSize(); |
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mapY = grid.getGridExtent().getMax().getY()-j*grid.getCellSize(); |
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IGeometry geometry = ShapeFactory.createPoint2D(mapX,mapY); |
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newRoi.addGeometry(geometry); |
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} |
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} |
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} |
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drawRoi(newRoi); |
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return newRoi; |
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} |
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public ROI createRasterRoi(){
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// creaccion de la roiRaster |
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return null; |
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} |
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/** |
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* Dibujado de la ro |
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* Dibujado de la roi
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* */ |
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void drawRoi(VectorialROI roi){
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mapControl.drawGraphics(); |
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} |
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} |
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} |
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