root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / histogram / HistogramPanelListener.java @ 19454
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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.rastertools.histogram; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.beans.PropertyChangeEvent; |
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import java.beans.PropertyChangeListener; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.RandomAccessFile; |
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import java.nio.channels.FileChannel; |
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import java.nio.channels.WritableByteChannel; |
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import java.util.ArrayList; |
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import javax.swing.JButton; |
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import javax.swing.JComboBox; |
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import javax.swing.JFileChooser; |
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import javax.swing.JOptionPane; |
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import javax.swing.table.DefaultTableModel; |
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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.gui.beans.graphic.GraphicEvent; |
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import org.gvsig.gui.beans.graphic.GraphicListener; |
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import org.gvsig.raster.IProcessActions; |
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import org.gvsig.raster.datastruct.Histogram; |
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import org.gvsig.raster.datastruct.HistogramClass; |
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import org.gvsig.raster.datastruct.HistogramException; |
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import org.gvsig.raster.hierarchy.IHistogramable; |
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import org.gvsig.raster.util.RasterToolsUtil; |
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import org.gvsig.rastertools.histogram.ui.HistogramPanel; |
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import org.gvsig.rastertools.statistics.StatisticsProcess; |
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import com.hardcode.driverManager.DriverLoadException; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.data.NoSuchTableException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.ProjectExtension; |
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import com.iver.cit.gvsig.fmap.drivers.shp.DbaseFileHeaderNIO; |
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import com.iver.cit.gvsig.fmap.drivers.shp.DbaseFileWriterNIO; |
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import com.iver.cit.gvsig.fmap.edition.EditableAdapter; |
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import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.project.ProjectFactory; |
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import com.iver.cit.gvsig.project.documents.table.ProjectTable; |
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import com.iver.cit.gvsig.project.documents.table.gui.Table; |
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/**
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* Listener para eventos del panel de histograma
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*
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* @version 20/03/2007
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* @author Nacho Brodin (brodin_ign@gva.es)
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* @author BorSanZa - Borja Sanchez Zamorano (borja.sanchez@iver.es)
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*/
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public class HistogramPanelListener implements GraphicListener, ActionListener, PropertyChangeListener, IProcessActions { |
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private HistogramPanel histogramPanel = null; |
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/**
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* Variable que apunta a uno de los dos histogramas posibles: Real o RGB
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*/
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private Histogram lastHistogram = null; |
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/**
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* Histograma original sin convertir a RGB
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*/
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private Histogram lastHistogramReal = null; |
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/**
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* Histograma convertido a rango RGB
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*/
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private Histogram lastHistogramRGB = null; |
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public boolean eventsEnabled = false; |
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/**
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* Bandas que se est?n mostrando en el gr?fico. Se inicializa con las 3 bandas
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* RGB de la visualizaci?n. Este array puede tener m?s elementos ya que si las
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* bandas no son de visualizaci?n (bandas de la imagen en disco) tendr? un
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* elemento por cada una.
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*/
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private boolean[] showBands = null; |
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private FLyrRasterSE lyr = null; |
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private Color[] bandsColor = { |
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Color.red,
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Color.green,
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Color.blue,
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Color.cyan,
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Color.black,
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Color.darkGray,
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Color.gray,
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Color.magenta,
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Color.yellow,
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Color.orange};
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/**
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* Guardamos el histogramable para hacer el histogramProcess
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*/
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IHistogramable histogramable = null;
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/**
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* Constructor. Asigna el panel del histograma
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* @param p Panel
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*/
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public HistogramPanelListener(HistogramPanel histogramPanel) {
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this.histogramPanel = histogramPanel;
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} |
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/**
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* Obtiene el panel del histograma
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* @return HistogramPanel
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*/
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private HistogramPanel getHistogramPanel() {
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return histogramPanel;
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} |
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/**
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* Asigna la capa para obtener las fuentes de datos tanto del
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* datasource como de la visualizaci?n.
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* @param lyr Capa
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*/
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public void setLayer(FLyrRasterSE lyr) { |
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this.lyr = lyr;
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} |
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public void setControlListeners() { |
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getHistogramPanel().getGraphicContainer().addValueChangedListener(this);
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} |
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/**
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* Actualizar cuadro de estad?sticas
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*/
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private void updateStatistic() { |
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if (getLastHistogram() == null) |
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return;
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double first = getHistogramPanel().getGraphicContainer().getX1();
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double end = getHistogramPanel().getGraphicContainer().getX2();
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getHistogramPanel().setStatistic(getLastHistogram().getBasicStats(first, end, showBands)); |
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} |
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/**
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* Tratamiento de todos los eventos visuales.
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*/
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public void actionPerformed(ActionEvent e) { |
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if (!eventsEnabled) return; |
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// Boton de desmarcar todas las bandas
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if (e.getSource() == getHistogramPanel().getButtonClean()) {
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getHistogramPanel().refreshBands(false);
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for (int i = 0; i < showBands.length; i++) |
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showBands[i] = false;
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updateStatistic(); |
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updateGraphic(); |
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return;
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} |
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// Boton de marcar todas las bandas
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if (e.getSource() == getHistogramPanel().getButtonShowAll()) {
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getHistogramPanel().refreshBands(true);
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for (int i = 0; i < showBands.length; i++) |
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showBands[i] = true;
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updateStatistic(); |
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updateGraphic(); |
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return;
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} |
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//--------------------------------------
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//Selecci?n de fuente de datos del histograma
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JComboBox cbo = getHistogramPanel().getComboBoxSource();
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if (e.getSource() == cbo) {
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ArrayList comboSource = getHistogramPanel().getComboSource();
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for (int i = 0; i < comboSource.size(); i++) { |
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String name = (String)((ArrayList)comboSource.get(i)).get(1); |
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if(name.compareTo(PluginServices.getText(this, "datos_visualizados")) == 0) { |
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((ArrayList)comboSource.get(i)).remove(0); |
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((ArrayList)comboSource.get(i)).add(0, ((FLyrRasterSE) lyr).getRender().getLastRenderBuffer()); |
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} |
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if(name.compareTo(PluginServices.getText(this, "imagen_completa")) == 0) { |
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((ArrayList)comboSource.get(i)).remove(0); |
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((ArrayList)comboSource.get(i)).add(0, ((FLyrRasterSE) lyr).getDataSource()); |
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} |
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} |
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showHistogram(); |
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return;
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} |
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// Checkbox de eliminas extremos
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if (e.getSource() == getHistogramPanel().getCheckBoxDeleteEdges()) {
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updateGraphic(); |
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return;
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} |
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// Checkbox de RGB
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if (e.getSource() == getHistogramPanel().getCheckBoxRGB()) {
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selectHistogram(); |
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updateGraphic(); |
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updateStatistic(); |
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return;
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} |
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//--------------------------------------
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//Selecci?n de histograma acumulado y no acumulado
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JComboBox cbt = getHistogramPanel().getComboBoxType();
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if (e.getSource() == cbt) {
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updateStatistic(); |
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updateGraphic(); |
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return;
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} |
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//--------------------------------------
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// Boton Crear Tabla
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JButton table = getHistogramPanel().getBCreateTable();
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if (e.getSource() == table) {
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try {
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// -------Mostrar un fileChooser------------------
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String fName;
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JFileChooser chooser = new JFileChooser(); |
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chooser.setDialogTitle(PluginServices.getText(this, "guardar_tabla")); |
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int returnVal = chooser.showOpenDialog(getHistogramPanel());
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if (returnVal == JFileChooser.APPROVE_OPTION) { |
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fName = chooser.getSelectedFile().toString(); |
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if (!fName.endsWith(".dbf")) |
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fName += ".dbf";
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//-------------Crear el dbf----------------------
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DbaseFileWriterNIO dbfWrite = null;
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DbaseFileHeaderNIO myHeader; |
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Value[] record;
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HistogramClass[][] histogram = getLastHistogram().getHistogram(); |
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int numBands = histogram.length;
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int numRecors = histogram[0].length; |
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File file = new File(fName); |
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String names[] = new String[numBands+1]; |
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int types[] = new int [numBands+1]; |
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int lengths[] = new int [numBands+1]; |
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names[0]="Value"; |
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types[0]=4; |
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lengths[0]=15; |
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for (int band = 0; band < numBands; band++){ |
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names[band+1]="Band"+band; |
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types[band+1]=4; |
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lengths[band+1]=15; |
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} |
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myHeader = DbaseFileHeaderNIO.createDbaseHeader(names,types,lengths); |
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myHeader.setNumRecords(numRecors); |
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dbfWrite = new DbaseFileWriterNIO(myHeader, (FileChannel) getWriteChannel(file.getPath())); |
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record = new Value[numBands+1]; |
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for (int j = 0; j < numRecors; j++) { |
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record[0] = ValueFactory.createValue(j);
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for (int r = 0; r < numBands; r++) { |
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record[r+1] = ValueFactory.createValue(histogram[r][j].getValue());
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} |
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dbfWrite.write(record); |
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} |
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dbfWrite.close(); |
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//------------A?adir el dbf al proyecto--------------
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ProjectExtension ext = (ProjectExtension) PluginServices.getExtension(ProjectExtension.class); |
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String name = file.getName();
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LayerFactory.getDataSourceFactory().addFileDataSource("gdbms dbf driver", name, fName);
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DataSource dataSource;
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dataSource = LayerFactory.getDataSourceFactory().createRandomDataSource(name, DataSourceFactory.AUTOMATIC_OPENING); |
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SelectableDataSource sds = new SelectableDataSource(dataSource);
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EditableAdapter auxea=new EditableAdapter();
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auxea.setOriginalDataSource(sds); |
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ProjectTable projectTable = ProjectFactory.createTable(name, auxea); |
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//ext.getProject().addTable(projectTable);
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ext.getProject().addDocument(projectTable); |
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Table t = new Table();
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t.setModel(projectTable); |
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//projectTable.setAndamiWindow(t);
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PluginServices.getMDIManager().addWindow(t); |
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} |
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} catch (IOException e1) { |
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} catch (DriverLoadException e1) {
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} catch (NoSuchTableException e1) {
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} catch (ReadDriverException e1) {
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
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} |
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} |
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} |
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/**
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* Actualizar la variable de las bandas visibles y su componente visual.
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*/
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private void refreshBands() { |
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getHistogramPanel().refreshBands(true);
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showBands = new boolean[getLastHistogram().getNumBands()]; |
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for (int i = 0; i < showBands.length; i++) |
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showBands[i] = true;
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} |
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/**
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* Lanza los dos threads para procesar el histograma y visualizar la
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* ventana de incremento
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*/
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public void showHistogram() { |
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if (getHistogramPanel().getComboBoxSource().getSelectedIndex() < 0) |
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return;
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int dataSrc = getHistogramPanel().getComboBoxSource().getSelectedIndex();
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histogramable = (IHistogramable) ((ArrayList) getHistogramPanel().getComboSource().get(dataSrc)).get(0); |
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if (getLastHistogram() == null) { |
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try {
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setNewHistogram(histogramable.getHistogram()); |
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} catch (HistogramException e) {
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RasterToolsUtil.messageBoxError("histogram_error", getHistogramPanel(), e);
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return;
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} catch (InterruptedException e) { |
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} |
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return;
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} |
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// Calculo las estadisticas para luego hacer el proceso del histograma.
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// El parametro object es el que se le pasara al siguiente proceso
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// Mirar el metodo end()
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StatisticsProcess statisticsProcess = new StatisticsProcess();
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statisticsProcess.setActions(this);
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statisticsProcess.addParam("layer", lyr);
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statisticsProcess.addParam("force", Boolean.FALSE); |
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statisticsProcess.start(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.rastertools.IProcessActions#end(java.lang.Object)
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*/
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public void end(Object object) { |
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// Si tenemos un histograma en el parametro, es que ya ha finalizado el proceso
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if (object instanceof Histogram) { |
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setNewHistogram((Histogram) object); |
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return;
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} |
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// Si no tenemos un histograma, es que aun necesitamos calcularlo
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if (object == null) { |
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HistogramProcess histogramProcess = new HistogramProcess();
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histogramProcess.setActions(this);
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histogramProcess.addParam("histogramable", histogramable);
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histogramProcess.start(); |
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} |
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} |
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/**
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* Actualiza la grafica con los datos que ya teniamos del histograma.
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*/
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private void updateGraphic() { |
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if (getLastHistogram() == null) |
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return;
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HistogramClass[][] histogramClass = getLastHistogram().getHistogramByType(Histogram.getType(getHistogramPanel().getComboBoxType().getSelectedIndex())); |
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if (histogramClass == null) |
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return;
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double[][][] datos = new double[histogramClass.length][histogramClass[0].length][2]; |
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for (int iBand = 0; iBand < histogramClass.length; iBand++) { |
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for (int i = 0; i < histogramClass[iBand].length; i++) { |
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datos[iBand][i][0] = histogramClass[iBand][i].getMin();
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datos[iBand][i][1] = histogramClass[iBand][i].getValue();
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} |
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} |
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// Definimos el principio y final de la grafica, sirve para descartar valores.
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int first = (int) getHistogramPanel().getBoxValueX1(); |
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int end = (int) getHistogramPanel().getBoxValueX2(); |
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//first = 0;
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//end = 100;
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int min = 0; |
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int max = histogramClass[0].length - 1; |
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first = min + ((first * (max - min))/ 100);
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end = min + ((end * (max - min))/ 100);
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// Si hay que eliminar los limites, quitamos el ultimo y primer valor de la grafica
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if (getHistogramPanel().getCheckBoxDeleteEdges().isSelected()) {
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if ((first + 1) <= end) |
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first++; |
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if ((end - 1) >= first) |
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end--; |
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} |
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int bandCount = 0; |
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for (int i = 0; i < showBands.length; i++) |
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if (showBands[i])
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bandCount++; |
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double[][][] newHistogram = new double[bandCount][end - first + 1][2]; |
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String[] bandNames = new String[bandCount]; |
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int numBand = 0; |
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for (int iBand = 0; iBand < showBands.length; iBand++) { |
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if (!showBands[iBand])
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continue;
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for (int j = first; j <= end; j++) { |
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try {
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newHistogram[numBand][j - first][0] = datos[iBand][j][0]; |
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newHistogram[numBand][j - first][1] = datos[iBand][j][1]; |
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} catch (ArrayIndexOutOfBoundsException e) { |
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Logger.getLogger(getHistogramPanel().getClass().getName()).debug("Error al crear el array del histograma. DataType: " + getHistogramPanel().getDataType() + " Posici?n: " + j, e); |
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} |
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} |
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bandNames[numBand] = (String) ((DefaultTableModel) getHistogramPanel().getJTableBands().getModel()).getValueAt(iBand, 1); |
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getHistogramPanel().getGraphicContainer().setBandColor(numBand, bandsColor[iBand % bandsColor.length]); |
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numBand++; |
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} |
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getHistogramPanel().getGraphicContainer().getPGraphic().setNewChart(newHistogram, bandNames); |
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} |
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public void selectHistogram() { |
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if (getHistogramPanel().getCheckBoxRGB().isSelected())
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lastHistogram = lastHistogramRGB; |
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else
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lastHistogram = lastHistogramReal; |
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} |
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/**
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* Definir el nuevo histograma, metodo pu?blico para ser invocado desde
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* histogramProcess
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* @param histograma nuevo
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*/
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public void setNewHistogram(Histogram histogram) { |
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getHistogramPanel().panelInizialited = false;
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eventsEnabled = false;
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this.lastHistogramReal = histogram;;
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this.lastHistogramRGB = Histogram.convertHistogramToRGB(histogram);
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selectHistogram(); |
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refreshBands(); |
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updateGraphic(); |
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updateStatistic(); |
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// Activo la ejecucion de los eventos porque seguro que ya tenemos un histograma
|
481 |
eventsEnabled = true;
|
482 |
getHistogramPanel().panelInizialited = true;
|
483 |
} |
484 |
|
485 |
/**
|
486 |
* Obtener ?ltimo histograma
|
487 |
* @return Histogram
|
488 |
*/
|
489 |
public Histogram getLastHistogram() {
|
490 |
return lastHistogram;
|
491 |
} |
492 |
|
493 |
/**
|
494 |
* Eventos de los BoxValues
|
495 |
*/
|
496 |
public void actionValueChanged(GraphicEvent e) { |
497 |
updateGraphic(); |
498 |
updateStatistic(); |
499 |
} |
500 |
|
501 |
/**
|
502 |
* Proceso para guardar una estadistica en un fichero.
|
503 |
* @param path
|
504 |
* @return
|
505 |
* @throws IOException
|
506 |
*/
|
507 |
private WritableByteChannel getWriteChannel(String path) throws IOException { |
508 |
WritableByteChannel channel;
|
509 |
|
510 |
File f = new File(path); |
511 |
|
512 |
if (!f.exists()) {
|
513 |
if (!f.createNewFile()) {
|
514 |
throw new IOException("Cannot create file " + f); |
515 |
} |
516 |
} |
517 |
|
518 |
RandomAccessFile raf = new RandomAccessFile(f, "rw"); |
519 |
channel = raf.getChannel(); |
520 |
|
521 |
return channel;
|
522 |
} |
523 |
|
524 |
/**
|
525 |
* Cuando se selecciona/deselecciona una banda
|
526 |
*/
|
527 |
public void propertyChange(PropertyChangeEvent evt) { |
528 |
if (!eventsEnabled)
|
529 |
return;
|
530 |
int countRow = ((DefaultTableModel) getHistogramPanel().getJTableBands().getModel()).getRowCount(); |
531 |
for (int i = 0; i < countRow; i++) |
532 |
showBands[i] = ((Boolean) ((DefaultTableModel) getHistogramPanel().getJTableBands().getModel()).getValueAt(i, 0)).booleanValue(); |
533 |
|
534 |
updateGraphic(); |
535 |
updateStatistic(); |
536 |
} |
537 |
|
538 |
public void interrupted() {} |
539 |
} |