gvsig-raster / org.gvsig.raster.tools / trunk / org.gvsig.raster.tools / org.gvsig.raster.tools.app.basic / src / main / java / org / gvsig / raster / tools / app / basic / tool / enhanced / graphics / InputHistogram.java @ 2585
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.tools.app.basic.tool.enhanced.graphics; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.util.List; |
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import javax.swing.JPanel; |
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import org.gvsig.fmap.dal.coverage.datastruct.BufferHistogram; |
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import org.gvsig.raster.fmap.layers.FLyrRaster; |
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import org.gvsig.raster.swing.RasterSwingLocator; |
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import org.gvsig.raster.swing.gcanvas.BaseFunction; |
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import org.gvsig.raster.swing.gcanvas.DensitySlicingLine; |
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import org.gvsig.raster.swing.gcanvas.DrawableElement; |
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import org.gvsig.raster.swing.gcanvas.GCanvas; |
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import org.gvsig.raster.swing.gcanvas.GraphicHistogram; |
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import org.gvsig.raster.swing.gcanvas.LogaritmicExponentialLine; |
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import org.gvsig.raster.swing.gcanvas.SquareRootPowLine; |
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import org.gvsig.raster.swing.gcanvas.StraightLine; |
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import org.gvsig.raster.tools.app.basic.tool.enhanced.ui.EnhancedListener; |
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/**
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* Componente con el histograma de entrada.
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*
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public class InputHistogram extends HistogramGraphicBase { |
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private static final long serialVersionUID = 681848373747974757L; |
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/**
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* Crea una nueva instancia de InputHistogram.
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*/
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public InputHistogram(BufferHistogram hist, FLyrRaster lyr, double[] minList, double[] maxList) { |
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super(hist, lyr, minList, maxList);
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} |
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public GCanvas getCanvas() {
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if(canvas == null) { |
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canvas = RasterSwingLocator.getSwingManager().createGraphicCanvas(Color.BLACK);
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canvas.addDrawableElement(canvas.createHistogramForGCanvas(null, Color.white)); |
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canvas.addDrawableElement(canvas.createMinMaxLinesForGCanvas(minMaxLineColor)); |
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canvas.addDrawableElement((DrawableElement)canvas.createStraightLineForGCanvas(functionColor)); |
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canvas.addDrawableElement(canvas.createBorderLayerForGCanvas(borderColor)); |
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canvas.addDrawableElement(canvas.createInfoLayerForGCanvas(Color.WHITE));
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} |
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return canvas;
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} |
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/**
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* Asigna el listener para gestionar el evento de movimiento de gr?ficos
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* @param listener
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*/
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public void setListener(EnhancedListener listener) { |
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getCanvas().addValueChangedListener(listener); |
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} |
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/**
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* Asigna el nivel de la funci?n si esta es density slicing.
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* @param level
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*/
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public void setLevel(int level) { |
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if (histogramDrawed != null) |
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histogramDrawed.setLevel(level); |
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((Component)getCanvas()).repaint();
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} |
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/**
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* Asigna el tipo de funci?n Lineal, Exponencial, logaritmica, density slicing, campana de gauss,
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* raiz cuadrada o ecualizaci?n.
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*
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* @param type Tipo de histograma. El valor est? definido en las constantes de GraphicHistogram
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*/
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public void setFunction(int function) { |
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if (histogramDrawed == null) |
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return;
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BaseFunction baseFunction = histogramDrawed.getBaseFunction(); |
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List<DrawableElement> listBaseFunc = canvas.getDrawableElements(BaseFunction.class);
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if(listBaseFunc != null && listBaseFunc.get(0) instanceof DrawableElement) |
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((DrawableElement)listBaseFunc.get(0)).setDrawing(true); |
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boolean regen = false; |
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switch (function) {
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case GraphicHistogram.FUNCTION_DENSITY:
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if (!baseFunction.getClass().equals(DensitySlicingLine.class))
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baseFunction = canvas.createDensitySliceForGCanvas( |
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((DrawableElement)histogramDrawed.getBaseFunction()).getColor(), -1);
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break;
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case GraphicHistogram.FUNCTION_LINEAL:
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if (!baseFunction.getClass().equals(StraightLine.class))
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baseFunction = canvas.createStraightLineForGCanvas(((DrawableElement)histogramDrawed.getBaseFunction()).getColor()); |
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break;
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case GraphicHistogram.FUNCTION_LOGARIT:
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regen = false;
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if (!baseFunction.getClass().equals(LogaritmicExponentialLine.class)) {
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regen = true;
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} else {
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if (!((LogaritmicExponentialLine) baseFunction).isLogaritmical())
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regen = true;
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} |
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if (regen)
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baseFunction = canvas.createLogaritmicExponentialLineForGCanvas( |
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((DrawableElement)histogramDrawed.getBaseFunction()).getColor(), 1.0);
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break;
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case GraphicHistogram.FUNCTION_EXPONENT:
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regen = false;
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if (!baseFunction.getClass().equals(LogaritmicExponentialLine.class)) {
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regen = true;
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} else {
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if (!((LogaritmicExponentialLine) baseFunction).isExponencial())
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regen = true;
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} |
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if (regen)
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baseFunction = canvas.createLogaritmicExponentialLineForGCanvas( |
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((DrawableElement)histogramDrawed.getBaseFunction()).getColor(), -1.0);
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break;
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case GraphicHistogram.FUNCTION_SQUARE_ROOT:
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if (!baseFunction.getClass().equals(SquareRootPowLine.class))
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baseFunction = canvas.createSquareRootPowLineForGCanvas( |
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((DrawableElement)histogramDrawed.getBaseFunction()).getColor(), 1.0);
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break;
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case GraphicHistogram.FUNCTION_NONE:
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((DrawableElement)listBaseFunc.get(0)).setDrawing(false); |
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break;
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} |
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histogramDrawed.setBaseFunction(baseFunction); |
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getCanvas().replaceDrawableElement(((DrawableElement)histogramDrawed.getBaseFunction()), BaseFunction.class); |
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// Fuerza un repintado inmediato para actualizar los valores
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getCanvas().paint(((JPanel)getCanvas()).getGraphics());
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} |
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} |