root / trunk / extensions / extRemoteSensing / src / org / gvsig / remotesensing / scatterplot / listener / RoiFromChartProcess.java @ 19529
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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 java.util.Iterator; |
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import org.gvsig.fmap.raster.grid.roi.VectorialROI; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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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.RasterBufferInvalidException; |
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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.grid.Grid; |
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import org.gvsig.raster.grid.GridException; |
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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.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.MapControl; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.layers.GraphicLayer; |
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import com.iver.cit.gvsig.fmap.rendering.FGraphic; |
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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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* 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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private FLyrRasterSE rasterSE =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 (unicamente 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, FLyrRasterSE raster){
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this.roiToExport= roiToExport;
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this.rasterSE= raster;
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} |
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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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IRasterDataSource dsetCopy = null;
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dsetCopy = rasterSE.getDataSource().newDataset(); |
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BufferFactory bufferFactory = new BufferFactory(dsetCopy);
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if (!RasterBuffer.loadInMemory(dsetCopy))
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bufferFactory.setReadOnly(true);
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try {
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grid=new Grid(bufferFactory,rasterSE.getRenderBands());
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} catch (RasterBufferInvalidException e1) {
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e1.printStackTrace(); |
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} |
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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 nX = (int) grid.getRasterBuf().getWidth(); |
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int nY = (int) grid.getRasterBuf().getHeight(); |
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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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try {
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grid.setBandToOperate(0);
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valorBandX= grid.getCellValueAsByte(i,j)&0xff;
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grid.setBandToOperate(1);
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valorBandY= grid.getCellValueAsByte(i,j)&0xff;
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} catch (GridException e) {
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e.printStackTrace(); |
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} |
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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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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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} |
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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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{ |
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try {
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grid.setBandToOperate(0);
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valorBandX= grid.getCellValueAsShort(i,j); |
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grid.setBandToOperate(1);
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valorBandY= grid.getCellValueAsShort(i,j); |
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} catch (GridException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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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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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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} |
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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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* Metodo que determina si el valor pasado esta dentro del intervalo
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* definido en rango.
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* @param valor valor a comprobar
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* @rango rango intervalo de tipo double
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*
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*/
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public boolean isInside(double valor, Range rango){ |
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double minValue= rango.getLowerBound();
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double maxValue= rango.getUpperBound();
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if( ( minValue<= valor) && (maxValue>=valor))
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return true; |
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else
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return false; |
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} |
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/**Esto tiene que cambiar!!!!!!!! Actualmente solo pinta los pixeles que pertenecen a la roi
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* Dibujado de la roi
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* */
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void drawRoi(VectorialROI roi){
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VectorialROI vectorialROI = (VectorialROI) roi; |
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ISymbol symbol = null;
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FGraphic fGraphic = null;
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View view = (View) PluginServices.getMDIManager().getActiveWindow(); |
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MapControl mapControl = view.getMapControl(); |
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GraphicLayer graphicLayer =mapControl.getMapContext().getGraphicsLayer(); |
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for (Iterator iterator = vectorialROI.getGeometries() |
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.iterator(); iterator.hasNext();) { |
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IGeometry geometry = (IGeometry) iterator.next(); |
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switch (geometry.getGeometryType()) {
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case FShape.POINT:
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symbol = SymbologyFactory.createDefaultMarkerSymbol(); |
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((IMarkerSymbol) symbol).setColor(roi.getColor()); |
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break;
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} |
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fGraphic = new FGraphic(geometry, graphicLayer.addSymbol(symbol));
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graphicLayer.addGraphic(fGraphic); |
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//tablePanel.getRoiGraphics(roi.getName()).add(fGraphic);
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mapControl.drawGraphics(); |
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} |
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} |
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} |