svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / enhanced / graphics / HistogramGraphicBase.java @ 20870
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1 | 19173 | nbrodin | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | */
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19 | package org.gvsig.rastertools.enhanced.graphics; |
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20 | |||
21 | 19378 | bsanchez | import java.awt.BorderLayout; |
22 | 19173 | nbrodin | import java.awt.Color; |
23 | 19205 | nbrodin | import java.util.ArrayList; |
24 | 19173 | nbrodin | |
25 | import javax.swing.JPanel; |
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26 | |||
27 | import org.gvsig.raster.beans.canvas.GCanvas; |
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28 | 19205 | nbrodin | import org.gvsig.raster.beans.canvas.layers.GraphicHistogram; |
29 | 19457 | bsanchez | import org.gvsig.raster.beans.canvas.layers.InfoLayer; |
30 | import org.gvsig.raster.beans.canvas.layers.MinMaxLines; |
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31 | import org.gvsig.raster.beans.canvas.layers.functions.BaseFunction; |
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32 | 19553 | nbrodin | import org.gvsig.raster.beans.canvas.layers.functions.DensitySlicingLine; |
33 | 19457 | bsanchez | import org.gvsig.raster.beans.canvas.layers.functions.StraightLine; |
34 | 19277 | nbrodin | import org.gvsig.raster.datastruct.Histogram; |
35 | 19173 | nbrodin | /**
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36 | * Clase base para los gr?ficos de histogramas de entrada y salida.
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37 | *
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38 | * 20/02/2008
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39 | * @author Nacho Brodin nachobrodin@gmail.com
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40 | */
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41 | 19457 | bsanchez | public abstract class HistogramGraphicBase extends JPanel { |
42 | protected Color minMaxLineColor = Color.WHITE; |
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43 | protected Color borderColor = Color.WHITE; |
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44 | protected Color functionColor = Color.YELLOW; |
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45 | |||
46 | 19173 | nbrodin | /**
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47 | 19457 | bsanchez | * Clase para tener guardados los valores de estado de una banda del histograma
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48 | *
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49 | * @version 04/03/2008
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50 | * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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51 | */
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52 | public class HistogramStatus { |
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53 | private double[] histogram = new double[] { 0, 0, 3, 4, 5, 8, 7, 18, 45, 36, 21, 36, 12, 23, 23, 40, 17, 10, 5, 1, 0, 0, 0 }; |
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54 | private double min = 0.0D; |
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55 | private double max = 1.0D; |
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56 | private BaseFunction baseFunction = null; |
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57 | private GraphicHistogram graphicHistogram = null; |
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58 | private MinMaxLines minMaxLines = null; |
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59 | private InfoLayer infoLayer = null; |
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60 | |||
61 | public HistogramStatus(Color color) { |
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62 | graphicHistogram = new GraphicHistogram(color);
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63 | graphicHistogram.setType(GraphicHistogram.TYPE_LINE); |
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64 | baseFunction = new StraightLine(functionColor);
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65 | minMaxLines = new MinMaxLines(minMaxLineColor);
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66 | infoLayer = new InfoLayer(Color.WHITE); |
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67 | } |
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68 | |||
69 | /**
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70 | * Establece los valores minimo y maximo
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71 | * @param min
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72 | * @param max
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73 | */
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74 | public void setLimits(double min, double max) { |
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75 | this.min = min;
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76 | this.max = max;
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77 | infoLayer.setLimits(min, max); |
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78 | } |
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79 | |||
80 | /**
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81 | * @return the histogram
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82 | */
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83 | public double[] getHistogram() { |
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84 | return histogram;
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85 | } |
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86 | |||
87 | /**
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88 | * @param histogram the histogram to set
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89 | */
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90 | public void setHistogram(double[] histogram) { |
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91 | graphicHistogram.setHistogramDrawed(histogram); |
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92 | this.histogram = histogram;
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93 | } |
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94 | |||
95 | /**
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96 | * @return the graphicHistogram
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97 | */
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98 | public GraphicHistogram getGraphicHistogram() {
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99 | return graphicHistogram;
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100 | } |
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101 | |||
102 | /**
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103 | * @return the minMaxLines
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104 | */
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105 | public MinMaxLines getMinMaxLines() {
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106 | return minMaxLines;
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107 | } |
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108 | |||
109 | /**
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110 | * @return the straightLine
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111 | */
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112 | public BaseFunction getBaseFunction() {
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113 | return baseFunction;
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114 | } |
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115 | 19553 | nbrodin | |
116 | /**
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117 | * Asigna la funci?n dibujada. Por defecto se crea con StraightLine
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118 | * pero puede ser modificada.
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119 | * @param baseFunction BaseFunction
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120 | */
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121 | public void setBaseFunction(BaseFunction baseFunction) { |
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122 | this.baseFunction = baseFunction;
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123 | } |
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124 | 19560 | nbrodin | |
125 | /**
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126 | * N?mero de cortes cuando es una funci?n level slice
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127 | * @param level
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128 | */
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129 | public void setLevel(int level) { |
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130 | if(baseFunction instanceof DensitySlicingLine) |
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131 | ((DensitySlicingLine)baseFunction).setShape(level); |
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132 | } |
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133 | 19457 | bsanchez | |
134 | /**
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135 | * @return the min
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136 | */
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137 | public double getMin() { |
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138 | return min;
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139 | } |
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140 | |||
141 | /**
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142 | * @return the max
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143 | */
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144 | public double getMax() { |
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145 | return max;
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146 | } |
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147 | |||
148 | /**
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149 | * @return the infoLayer
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150 | */
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151 | public InfoLayer getInfoLayer() {
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152 | return infoLayer;
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153 | } |
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154 | } |
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155 | |||
156 | /**
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157 | 19173 | nbrodin | * Constantes que identifican un histograma con una banda
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158 | */
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159 | 19457 | bsanchez | public final static int RED = 0; |
160 | public final static int GREEN = 1; |
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161 | public final static int BLUE = 2; |
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162 | public final static int GRAY = 3; |
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163 | |||
164 | 19280 | nbrodin | /**
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165 | 19457 | bsanchez | * Constante para poder coger el histograma visualizado en ese momento
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166 | */
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167 | public final static int DRAWED = 4; |
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168 | |||
169 | protected GCanvas canvas = null; |
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170 | |||
171 | protected HistogramStatus histogramRed = null; |
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172 | protected HistogramStatus histogramGreen = null; |
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173 | protected HistogramStatus histogramBlue = null; |
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174 | protected HistogramStatus histogramGray = null; |
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175 | protected HistogramStatus histogramDrawed = null; |
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176 | protected int[] renderBands = null; |
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177 | |||
178 | 19362 | nbrodin | public HistogramGraphicBase(Histogram hist, int[] renderBands, double[] minList, double[] maxList) { |
179 | this.renderBands = renderBands;
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180 | 19898 | bsanchez | setHistogram(hist, minList, maxList); |
181 | 19378 | bsanchez | initialize(); |
182 | 19173 | nbrodin | } |
183 | |||
184 | 19378 | bsanchez | private void initialize() { |
185 | this.setLayout(new BorderLayout()); |
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186 | this.add(getCanvas(), BorderLayout.CENTER); |
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187 | } |
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188 | 19457 | bsanchez | |
189 | 19173 | nbrodin | /**
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190 | 19457 | bsanchez | * Crea la lista de objetos dibujables y la guarda en un array
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191 | 19173 | nbrodin | */
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192 | 19898 | bsanchez | public void setHistogram(Histogram hist, double[] minList, double[] maxList) { |
193 | 19457 | bsanchez | long[][] table = hist.getTable(); |
194 | double histogram[]; |
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195 | 19173 | nbrodin | |
196 | 19457 | bsanchez | switch (hist.getNumBands()) {
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197 | case 1: |
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198 | histogram = new double[table[0].length]; |
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199 | for (int i = 0; i < histogram.length; i++) |
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200 | histogram[i] = (double) table[0][i]; |
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201 | setHistogram(histogram, GRAY); |
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202 | histogramGray.setLimits(minList[0], maxList[0]); |
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203 | break;
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204 | 20870 | bsanchez | default: // FIXME Mirar cuando deberia entrar aqui |
205 | 19457 | bsanchez | // A?adimos el histograma de la capa roja si se puede
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206 | if (renderBands.length < 0) |
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207 | break;
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208 | int pos = renderBands[0]; |
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209 | histogram = new double[table[pos].length]; |
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210 | for (int i = 0; i < histogram.length; i++) |
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211 | histogram[i] = (double) table[pos][i];
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212 | setHistogram(histogram, RED); |
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213 | histogramRed.setLimits(minList[pos], maxList[pos]); |
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214 | setHistogramDrawed(RED); |
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215 | |||
216 | // A?adimos el histograma de la capa verde si se puede
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217 | if (renderBands.length < 1) |
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218 | break;
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219 | pos = renderBands[1];
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220 | histogram = new double[table[pos].length]; |
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221 | for (int i = 0; i < histogram.length; i++) |
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222 | histogram[i] = (double) table[pos][i];
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223 | setHistogram(histogram, GREEN); |
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224 | histogramGreen.setLimits(minList[pos], maxList[pos]); |
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225 | |||
226 | // A?adimos el histograma de la capa azul si se puede
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227 | if (renderBands.length < 2) |
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228 | break;
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229 | pos = renderBands[2];
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230 | histogram = new double[table[pos].length]; |
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231 | for (int i = 0; i < histogram.length; i++) |
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232 | histogram[i] = (double) table[pos][i];
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233 | setHistogram(histogram, BLUE); |
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234 | histogramBlue.setLimits(minList[pos], maxList[pos]); |
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235 | break;
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236 | 19173 | nbrodin | } |
237 | } |
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238 | |||
239 | /**
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240 | * Asigna el histograma marcado con la interpretaci?n de color indicada.
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241 | * @param hist Histograma a asignar
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242 | * @param colorInterp Band a la que corresponde el histograma
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243 | */
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244 | public void setHistogram(double[] hist, int colorInterp) { |
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245 | switch (colorInterp) {
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246 | 19378 | bsanchez | case GREEN:
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247 | 19457 | bsanchez | if (histogramGreen == null) |
248 | histogramGreen = new HistogramStatus(Color.green); |
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249 | histogramGreen.setHistogram(hist); |
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250 | 19378 | bsanchez | break;
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251 | case BLUE:
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252 | 19457 | bsanchez | if (histogramBlue == null) |
253 | histogramBlue = new HistogramStatus(Color.blue); |
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254 | histogramBlue.setHistogram(hist); |
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255 | 19378 | bsanchez | break;
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256 | case GRAY:
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257 | 19457 | bsanchez | if (histogramGray == null) |
258 | histogramGray = new HistogramStatus(Color.gray); |
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259 | histogramGray.setHistogram(hist); |
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260 | 19378 | bsanchez | break;
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261 | 19457 | bsanchez | default: // Banda roja |
262 | if (histogramRed == null) |
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263 | histogramRed = new HistogramStatus(Color.red); |
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264 | histogramRed.setHistogram(hist); |
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265 | break;
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266 | 19173 | nbrodin | } |
267 | 19457 | bsanchez | |
268 | 19378 | bsanchez | if (histogramDrawed == null) |
269 | 19457 | bsanchez | setHistogramDrawed(colorInterp); |
270 | 19173 | nbrodin | } |
271 | |||
272 | /**
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273 | 19457 | bsanchez | * Devuelve el estado del histograma seleccionado
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274 | * @param colorInterp
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275 | * @return
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276 | */
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277 | public HistogramStatus getHistogramStatus(int colorInterp) { |
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278 | switch (colorInterp) {
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279 | case RED:
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280 | return histogramRed;
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281 | case GREEN:
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282 | return histogramGreen;
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283 | case BLUE:
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284 | return histogramBlue;
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285 | case GRAY:
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286 | return histogramGray;
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287 | case DRAWED:
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288 | return histogramDrawed;
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289 | } |
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290 | return null; |
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291 | } |
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292 | |||
293 | /**
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294 | 19173 | nbrodin | * Asigna el histograma dibujado
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295 | * @param colorInterp
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296 | */
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297 | public void setHistogramDrawed(int colorInterp) { |
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298 | switch (colorInterp) {
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299 | 19357 | bsanchez | case RED:
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300 | histogramDrawed = histogramRed; |
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301 | break;
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302 | case GREEN:
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303 | histogramDrawed = histogramGreen; |
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304 | break;
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305 | case BLUE:
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306 | histogramDrawed = histogramBlue; |
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307 | break;
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308 | case GRAY:
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309 | histogramDrawed = histogramGray; |
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310 | break;
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311 | 19173 | nbrodin | } |
312 | 19357 | bsanchez | |
313 | |||
314 | 19457 | bsanchez | if (histogramDrawed != null) { |
315 | getCanvas().replaceDrawableElement(histogramDrawed.getGraphicHistogram()); |
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316 | getCanvas().replaceDrawableElement(histogramDrawed.getMinMaxLines()); |
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317 | 19595 | bsanchez | getCanvas().replaceDrawableElement(histogramDrawed.getBaseFunction(), BaseFunction.class); |
318 | 19457 | bsanchez | getCanvas().replaceDrawableElement(histogramDrawed.getInfoLayer()); |
319 | getCanvas().repaint(); |
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320 | } |
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321 | 19173 | nbrodin | } |
322 | |||
323 | /**
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324 | 19280 | nbrodin | * Asigna el tipo de histograma Standard/Cumulative
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325 | 19553 | nbrodin | * @param type Tipo de histograma. El valor est? definido en las constantes de GraphicHistogram
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326 | 19280 | nbrodin | */
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327 | public void setHistogramType(int type) { |
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328 | 19595 | bsanchez | if (histogramDrawed != null) |
329 | histogramDrawed.getGraphicHistogram().setTypeViewed(type); |
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330 | 19280 | nbrodin | } |
331 | 19553 | nbrodin | |
332 | /**
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333 | 19205 | nbrodin | * Asigna el tipo
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334 | * @param type
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335 | */
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336 | public void setType(int type) { |
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337 | 19625 | bsanchez | ArrayList elements = getCanvas().getDrawableElements(GraphicHistogram.class);
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338 | for (int i = 0; i < elements.size(); i++) |
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339 | ((GraphicHistogram) elements.get(i)).setType(type); |
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340 | 19205 | nbrodin | } |
341 | 19173 | nbrodin | |
342 | /**
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343 | * Obtiene el lienzo donde se dibujan las gr?ficas
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344 | * @return GCanvas
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345 | */
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346 | public abstract GCanvas getCanvas(); |
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347 | 19378 | bsanchez | } |