root / trunk / extensions / extRemoteSensing / src / org / gvsig / remotesensing / scatterplot / gui / ChartScaterPlotPanel.java @ 19511
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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.gui; |
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import java.awt.BorderLayout; |
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import java.awt.Color; |
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import javax.swing.JPanel; |
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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.remotesensing.scatterplot.chart.ScatterPlotChart; |
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import org.gvsig.remotesensing.scatterplot.chart.ScatterPlotDiagram; |
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import org.jfree.chart.JFreeChart; |
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import org.jfree.chart.axis.NumberAxis; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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/**
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* Clase que define el panel donde aparece el grafico de dispersion para dos bandas, determinadas por
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* las variables bandaX y bandaY. El grafico es un FastScatterPlot de la libreria jfreeChart (personalizada para este
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* apartado).
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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 ChartScaterPlotPanel extends JPanel { |
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private static final long serialVersionUID = 1L; |
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private JFreeChart chart;
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private ScatterPlotDiagram jPanelChart = null; |
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private ScatterPlotChart plot = null; |
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private int bandaX = 0; |
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private int bandaY = 1; |
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private Grid grid = null; |
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private float data[][] = null; |
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FLayer fLayer = null;
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int initialRenderBand[] = null; |
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/**
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* Constructor
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* @param flayer capa
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* @param band1 banda que se representa en el eje x.
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* @param band2 banda que se representa en el eje y.
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* */
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public ChartScaterPlotPanel(FLayer fLayer, int band1, int band2){ |
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this.fLayer= fLayer;
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initialRenderBand = ((FLyrRasterSE) fLayer).getRenderBands(); |
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bandaX= band1; |
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bandaY= band2; |
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createChart(); |
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initialize(); |
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} |
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/**
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* Inicializacion del panel que contiene el grafico
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* */
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private void initialize() { |
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this.setLayout(new BorderLayout()); |
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this.add(getChart(), BorderLayout.CENTER); |
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} |
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/**
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* @return grafico actual
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* */
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public ScatterPlotDiagram getChart(){
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if(jPanelChart == null){ |
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jPanelChart = new ScatterPlotDiagram(chart,(FLyrRasterSE)fLayer);
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chart=null;
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jPanelChart.setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.gray,1));
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} |
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return jPanelChart;
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} |
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/**
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* Metodo que construye el grafico inicialmente. Antes de construirlo, llama a
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* setDataChart() para cargar los datos a representar
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*
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* */
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private void createChart() { |
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NumberAxis domainAxis = new NumberAxis(PluginServices.getText(this,"banda")+" "+bandaX); |
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domainAxis.setAutoRangeIncludesZero(false);
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NumberAxis rangeAxis = new NumberAxis(PluginServices.getText(this,"banda")+" "+bandaY); |
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rangeAxis.setAutoRangeIncludesZero(false);
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// Se cargan los datos antes de construir el grafico
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setDataChart(fLayer); |
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plot = new ScatterPlotChart(this.data, domainAxis, rangeAxis); |
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chart = new JFreeChart(PluginServices.getText(this,"diagrama_dispersion"), plot); |
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data= null;
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chart.getRenderingHints().clear(); |
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plot.setBackgroundPaint(null);
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chart.setBackgroundPaint(Color.white);
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plot.setBackgroundPaint(new Color(245, 245, 245)); |
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plot=null;
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} |
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/**
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* Actualizacion del panel que contiene el grafico
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* */
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public void updateChartPanel(){ |
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jPanelChart.setChart(chart); |
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// hace un clear cuando se cambian las bandas
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jPanelChart.getROIChartList().getListRois().clear(); |
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jPanelChart.repaint(); |
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updateUI(); |
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} |
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/**
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* Actualizacion del grafico. Esta actualizacion se producira cuando haya variacion en la
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* seleccion de las bandas por parte del usuario.
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*
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* */
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public void updateChart() { |
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NumberAxis domainAxis = new NumberAxis(PluginServices.getText(this,"banda")+bandaX); |
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domainAxis.setAutoRangeIncludesZero(false);
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NumberAxis rangeAxis = new NumberAxis(PluginServices.getText(this,"banda")+bandaY); |
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rangeAxis.setAutoRangeIncludesZero(false);
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chart=null;
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plot=null;
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// Se cargan los datos correspondiesntes a las bandas seleccionadas
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setDataChart(fLayer); |
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plot = new ScatterPlotChart(this.data, domainAxis, rangeAxis); |
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chart = new JFreeChart(PluginServices.getText(this,"diagrama_dispersion"), plot); |
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chart.getRenderingHints().clear(); |
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data=null;
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plot.setBackgroundPaint(null);
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chart.setBackgroundPaint(Color.white);
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plot.setBackgroundPaint(new Color(245, 245, 245)); |
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plot=null;
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updateChartPanel(); |
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} |
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/**
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* Metodo que establece los datos a representar.
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* El vector data[][] se rellena con los valores de cada punto para las bandas
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* bandX y bandY.
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* */
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public void setDataChart(FLayer fLayer){ |
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try {
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this.fLayer = fLayer;
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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FLyrRasterSE rasterLayer = (FLyrRasterSE) fLayer; |
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IRasterDataSource dsetCopy = null;
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dsetCopy = rasterLayer.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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// grid renderizado
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grid=rasterLayer.getRender().getGrid(); |
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Grid dataGrid= null;
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try {
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dataGrid= new Grid(bufferFactory,new int[]{bandaX,bandaY}); |
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} catch (RasterBufferInvalidException e) {
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e.printStackTrace(); |
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} |
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int width= grid.getRasterBuf().getWidth();
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int height= grid.getRasterBuf().getHeight();
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int indice=0; |
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data= new float[2][width*height]; |
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if (dataGrid.getDataType()== IBuffer.TYPE_BYTE){
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for(int i=0; i<width;i++){ |
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for(int j=0; j<height; j++){ |
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data[0][indice]= dataGrid.getRasterBuf().getElemByte(j,i,0)&0xff; |
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data[1][indice]= dataGrid.getRasterBuf().getElemByte(j,i,1)&0xff; |
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indice++; |
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} |
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} |
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} |
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if (dataGrid.getDataType()== IBuffer.TYPE_SHORT){
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for(int i=0; i<width;i++){ |
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for(int j=0; j<height; j++){ |
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data[0][indice]= dataGrid.getRasterBuf().getElemShort(j,i,0); |
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data[1][indice]= dataGrid.getRasterBuf().getElemShort(j,i,1); |
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indice++; |
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} |
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} |
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} |
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if (dataGrid.getDataType()== IBuffer.TYPE_INT){
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for(int i=0; i<width;i++){ |
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for(int j=0; j<height; j++){ |
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data[0][indice]= dataGrid.getRasterBuf().getElemInt(j,i,0); |
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data[1][indice]= dataGrid.getRasterBuf().getElemInt(j,i,1); |
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indice++; |
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} |
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} |
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} |
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if (dataGrid.getDataType()== IBuffer.TYPE_FLOAT){
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for(int i=0; i<width;i++){ |
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for(int j=0; j<height; j++){ |
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data[0][indice]= dataGrid.getRasterBuf().getElemFloat(j,i,0); |
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data[1][indice]= dataGrid.getRasterBuf().getElemFloat(j,i,1); |
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indice++; |
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} |
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} |
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} |
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// OJO AL CASTINTG DE DOUBLE A FLOAT
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if (dataGrid.getDataType()== IBuffer.TYPE_DOUBLE){
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for(int i=0; i<width;i++){ |
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for(int j=0; j<height; j++){ |
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data[0][indice]= (float)dataGrid.getRasterBuf().getElemDouble(j,i,0); |
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data[1][indice]= (float)dataGrid.getRasterBuf().getElemDouble(j,i,1); |
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indice++; |
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} |
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} |
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} |
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} |
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/**
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* Asignacion de la banda X
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* */
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public void setBandX(int band){ |
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bandaX= band; |
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} |
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/**
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* Asignacion de la banda Y
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* */
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public void setBandY(int band){ |
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bandaY= band; |
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} |
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/**
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* @return banda X
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* */
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public int getBandX(){ |
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return bandaX;
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} |
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/**
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* @return banda Y
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* */
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public int getBandY(){ |
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return bandaY;
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} |
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/**
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* @return grid asociado
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*
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* */
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public Grid getGrid(){
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return grid;
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} |
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/**
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* @return capa asociada al panel
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*
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* */
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public FLayer getFLayer(){
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return fLayer;
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} |
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} |
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