1 | /* |
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2 | * This program is free software; you can redistribute it and/or modify |
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3 | * it under the terms of the GNU General Public License as published by |
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4 | * the Free Software Foundation; either version 2 of the License, or |
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5 | * (at your option) any later version. |
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6 | * |
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7 | * This program is distributed in the hope that it will be useful, |
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8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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10 | * GNU General Public License for more details. |
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11 | * |
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12 | * You should have received a copy of the GNU General Public License |
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13 | * along with this program; if not, write to the Free Software |
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14 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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15 | */ |
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16 | |
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17 | /* |
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18 | * AttributePanel.java |
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19 | * Copyright (C) 1999 University of Waikato, Hamilton, New Zealand |
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20 | * |
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21 | */ |
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22 | |
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23 | package weka.gui.visualize; |
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24 | |
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25 | import weka.core.Attribute; |
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26 | import weka.core.FastVector; |
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27 | import weka.core.Instances; |
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28 | |
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29 | import java.awt.BorderLayout; |
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30 | import java.awt.Color; |
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31 | import java.awt.Dimension; |
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32 | import java.awt.Graphics; |
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33 | import java.awt.GridBagConstraints; |
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34 | import java.awt.GridBagLayout; |
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35 | import java.awt.Insets; |
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36 | import java.awt.event.MouseAdapter; |
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37 | import java.awt.event.MouseEvent; |
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38 | |
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39 | import javax.swing.JPanel; |
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40 | import javax.swing.JScrollPane; |
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41 | |
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42 | /** |
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43 | * This panel displays one dimensional views of the attributes in a |
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44 | * dataset. Colouring is done on the basis of a column in the dataset or |
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45 | * an auxiliary array (useful for colouring cluster predictions). |
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46 | * |
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47 | * @author Malcolm Ware (mfw4@cs.waikato.ac.nz) |
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48 | * @author Mark Hall (mhall@cs.waikato.ac.nz) |
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49 | * @version $Revision: 5086 $ |
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50 | */ |
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51 | public class AttributePanel |
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52 | extends JScrollPane { |
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53 | |
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54 | /** for serialization */ |
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55 | private static final long serialVersionUID = 3533330317806757814L; |
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56 | |
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57 | /** The instances to be plotted */ |
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58 | protected Instances m_plotInstances=null; |
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59 | |
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60 | /** Holds the min and max values of the colouring attributes */ |
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61 | protected double m_maxC; |
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62 | protected double m_minC; |
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63 | protected int m_cIndex; |
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64 | protected int m_xIndex; |
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65 | protected int m_yIndex; |
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66 | |
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67 | /** The colour map to use for colouring points */ |
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68 | protected FastVector m_colorList; |
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69 | |
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70 | /** default colours for colouring discrete class */ |
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71 | protected Color [] m_DefaultColors = {Color.blue, |
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72 | Color.red, |
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73 | Color.green, |
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74 | Color.cyan, |
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75 | Color.pink, |
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76 | new Color(255, 0, 255), |
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77 | Color.orange, |
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78 | new Color(255, 0, 0), |
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79 | new Color(0, 255, 0), |
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80 | Color.white}; |
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81 | |
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82 | /** |
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83 | * If set, it allows this panel to avoid setting a color in |
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84 | * the color list that is equal to the background color |
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85 | */ |
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86 | protected Color m_backgroundColor = null; |
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87 | |
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88 | /** The list of things listening to this panel */ |
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89 | protected FastVector m_Listeners = new FastVector(); |
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90 | |
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91 | /** Holds the random height for each instance. */ |
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92 | protected int[] m_heights; |
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93 | //protected Color[] colors_array; |
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94 | |
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95 | /** The container window for the attribute bars, and also where the |
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96 | * X,Y or B get printed. |
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97 | */ |
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98 | protected JPanel m_span=null; |
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99 | |
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100 | /** The default colour to use for the background of the bars if |
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101 | a colour is not defined in Visualize.props */ |
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102 | protected Color m_barColour=Color.black; |
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103 | |
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104 | /** inner inner class used for plotting the points |
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105 | * into a bar for a particular attribute. |
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106 | */ |
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107 | protected class AttributeSpacing |
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108 | extends JPanel { |
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109 | |
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110 | /** for serialization */ |
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111 | private static final long serialVersionUID = 7220615894321679898L; |
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112 | |
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113 | /** The min and max values for this attribute. */ |
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114 | protected double m_maxVal; |
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115 | protected double m_minVal; |
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116 | |
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117 | /** The attribute itself. */ |
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118 | protected Attribute m_attrib; |
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119 | |
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120 | /** The index for this attribute. */ |
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121 | protected int m_attribIndex; |
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122 | |
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123 | /** The x position of each point. */ |
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124 | protected int[] m_cached; |
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125 | //note for m_cached, if you wanted to speed up the drawing algorithm |
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126 | // and save memory, the system could be setup to drop out any |
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127 | // of the instances not being drawn (you would need to find a new way |
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128 | //of matching the height however). |
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129 | |
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130 | /** A temporary array used to strike any instances that would be |
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131 | * drawn redundantly. |
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132 | */ |
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133 | protected boolean[][] m_pointDrawn; |
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134 | |
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135 | /** Used to determine if the positions need to be recalculated. */ |
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136 | protected int m_oldWidth=-9000; |
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137 | |
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138 | /** The container window for the attribute bars, and also where the |
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139 | * X,Y or B get printed. |
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140 | */ |
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141 | |
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142 | /** |
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143 | * This constructs the bar with the specified attribute and |
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144 | * sets its index to be used for selecting by the mouse. |
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145 | * @param a The attribute this bar represents. |
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146 | * @param aind The index of this bar. |
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147 | */ |
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148 | public AttributeSpacing(Attribute a, int aind) { |
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149 | m_attrib = a; |
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150 | m_attribIndex = aind; |
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151 | this.setBackground(m_barColour); |
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152 | this.setPreferredSize(new Dimension(0, 20)); |
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153 | this.setMinimumSize(new Dimension(0, 20)); |
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154 | m_cached = new int[m_plotInstances.numInstances()]; |
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155 | |
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156 | //this will only get allocated if m_plotInstances != null |
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157 | //this is used to determine the min and max values for plotting |
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158 | double min=Double.POSITIVE_INFINITY; |
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159 | double max=Double.NEGATIVE_INFINITY; |
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160 | double value; |
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161 | if (m_plotInstances.attribute(m_attribIndex).isNominal()) { |
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162 | m_minVal = 0; |
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163 | m_maxVal = m_plotInstances.attribute(m_attribIndex).numValues()-1; |
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164 | } else { |
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165 | for (int i=0;i<m_plotInstances.numInstances();i++) { |
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166 | if (!m_plotInstances.instance(i).isMissing(m_attribIndex)) { |
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167 | value = m_plotInstances.instance(i).value(m_attribIndex); |
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168 | if (value < min) { |
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169 | min = value; |
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170 | } |
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171 | if (value > max) { |
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172 | max = value; |
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173 | } |
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174 | } |
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175 | } |
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176 | m_minVal = min; m_maxVal = max; |
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177 | if (min == max) { |
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178 | m_maxVal += 0.05; |
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179 | m_minVal -= 0.05; |
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180 | } |
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181 | } |
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182 | |
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183 | this.addMouseListener(new MouseAdapter() { |
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184 | public void mouseClicked(MouseEvent e) { |
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185 | if ((e.getModifiers() & e.BUTTON1_MASK) == e.BUTTON1_MASK) { |
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186 | setX(m_attribIndex); |
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187 | if (m_Listeners.size() > 0) { |
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188 | for (int i=0;i<m_Listeners.size();i++) { |
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189 | AttributePanelListener l = |
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190 | (AttributePanelListener)(m_Listeners.elementAt(i)); |
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191 | l.attributeSelectionChange(new AttributePanelEvent(true, |
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192 | false, m_attribIndex)); |
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193 | } |
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194 | } |
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195 | } |
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196 | else { |
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197 | //put it on the y axis |
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198 | setY(m_attribIndex); |
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199 | if (m_Listeners.size() > 0) { |
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200 | for (int i=0;i<m_Listeners.size();i++) { |
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201 | AttributePanelListener l = |
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202 | (AttributePanelListener)(m_Listeners.elementAt(i)); |
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203 | l.attributeSelectionChange(new AttributePanelEvent(false, |
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204 | true, m_attribIndex)); |
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205 | } |
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206 | } |
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207 | } |
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208 | } |
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209 | }); |
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210 | } |
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211 | |
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212 | /** |
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213 | * Convert an raw x value to Panel x coordinate. |
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214 | * @param val the raw x value |
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215 | * @return an x value for plotting in the panel. |
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216 | */ |
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217 | private double convertToPanel(double val) { |
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218 | double temp = (val - m_minVal)/(m_maxVal - m_minVal); |
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219 | double temp2 = temp * (this.getWidth() - 10); |
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220 | |
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221 | return temp2 + 4; |
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222 | } |
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223 | |
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224 | /** |
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225 | * paints all the visible instances to the panel , and recalculates |
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226 | * their position if need be. |
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227 | * @param gx The graphics context. |
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228 | */ |
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229 | public void paintComponent(Graphics gx) { |
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230 | super.paintComponent(gx); |
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231 | int xp, yp, h; |
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232 | h = this.getWidth(); |
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233 | if (m_plotInstances != null |
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234 | && m_plotInstances.numAttributes() > 0 |
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235 | && m_plotInstances.numInstances() > 0) { |
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236 | |
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237 | if (m_oldWidth != h) { |
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238 | m_pointDrawn = new boolean[h][20]; |
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239 | for (int noa = 0; noa < m_plotInstances.numInstances(); noa++) { |
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240 | if (!m_plotInstances.instance(noa).isMissing(m_attribIndex) |
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241 | && !m_plotInstances.instance(noa).isMissing(m_cIndex)) { |
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242 | m_cached[noa] = (int)convertToPanel(m_plotInstances. |
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243 | instance(noa). |
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244 | value(m_attribIndex)); |
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245 | |
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246 | if (m_pointDrawn[m_cached[noa] % h][m_heights[noa]]) { |
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247 | m_cached[noa] = -9000; |
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248 | } |
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249 | else { |
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250 | m_pointDrawn[m_cached[noa]%h][m_heights[noa]] = true; |
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251 | } |
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252 | |
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253 | } |
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254 | else { |
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255 | m_cached[noa] = -9000; //this value will not happen |
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256 | //so it is safe |
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257 | } |
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258 | } |
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259 | m_oldWidth = h; |
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260 | } |
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261 | |
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262 | if (m_plotInstances.attribute(m_cIndex).isNominal()) { |
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263 | for (int noa = 0; noa < m_plotInstances.numInstances(); noa++) { |
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264 | |
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265 | if (m_cached[noa] != -9000) { |
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266 | xp = m_cached[noa]; |
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267 | yp = m_heights[noa]; |
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268 | if (m_plotInstances.attribute(m_attribIndex). |
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269 | isNominal()) { |
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270 | xp += (int)(Math.random() * 5) - 2; |
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271 | } |
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272 | int ci = (int)m_plotInstances.instance(noa).value(m_cIndex); |
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273 | |
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274 | gx.setColor((Color)m_colorList.elementAt |
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275 | (ci % m_colorList.size())); |
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276 | gx.drawRect(xp, yp, 1, 1); |
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277 | } |
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278 | } |
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279 | } |
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280 | else { |
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281 | double r; |
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282 | for (int noa = 0; noa < m_plotInstances.numInstances(); noa++) { |
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283 | if (m_cached[noa] != -9000) { |
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284 | |
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285 | r = (m_plotInstances.instance(noa).value(m_cIndex) |
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286 | - m_minC) / (m_maxC - m_minC); |
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287 | |
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288 | r = (r * 240) + 15; |
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289 | |
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290 | gx.setColor(new Color((int)r,150,(int)(255-r))); |
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291 | |
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292 | xp = m_cached[noa]; |
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293 | yp = m_heights[noa]; |
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294 | if (m_plotInstances.attribute(m_attribIndex). |
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295 | isNominal()) { |
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296 | xp += (int)(Math.random() * 5) - 2; |
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297 | } |
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298 | gx.drawRect(xp, yp, 1, 1); |
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299 | } |
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300 | } |
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301 | } |
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302 | } |
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303 | } |
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304 | } |
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305 | |
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306 | /** |
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307 | * Set the properties for the AttributePanel |
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308 | */ |
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309 | private void setProperties() { |
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310 | if (VisualizeUtils.VISUALIZE_PROPERTIES != null) { |
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311 | String thisClass = this.getClass().getName(); |
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312 | String barKey = thisClass+".barColour"; |
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313 | |
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314 | String barC = VisualizeUtils.VISUALIZE_PROPERTIES. |
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315 | getProperty(barKey); |
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316 | if (barC == null) { |
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317 | /* |
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318 | System.err.println("Warning: no configuration property found in " |
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319 | +VisualizeUtils.PROPERTY_FILE |
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320 | +" for "+barKey); |
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321 | */ |
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322 | } else { |
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323 | //System.err.println("Setting attribute bar colour to: "+barC); |
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324 | m_barColour = VisualizeUtils.processColour(barC, m_barColour); |
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325 | } |
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326 | } |
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327 | } |
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328 | |
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329 | public AttributePanel() { |
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330 | this(null); |
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331 | } |
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332 | |
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333 | /** |
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334 | * This constructs an attributePanel. |
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335 | */ |
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336 | public AttributePanel(Color background) { |
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337 | m_backgroundColor = background; |
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338 | |
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339 | setProperties(); |
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340 | this.setBackground(Color.blue); |
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341 | setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS); |
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342 | m_colorList = new FastVector(10); |
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343 | |
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344 | for (int noa = m_colorList.size(); noa < 10; noa++) { |
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345 | Color pc = m_DefaultColors[noa % 10]; |
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346 | int ija = noa / 10; |
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347 | ija *= 2; |
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348 | for (int j=0;j<ija;j++) { |
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349 | pc = pc.darker(); |
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350 | } |
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351 | |
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352 | m_colorList.addElement(pc); |
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353 | } |
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354 | } |
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355 | |
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356 | /** |
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357 | * Add a listener to the list of things listening to this panel |
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358 | * @param a the listener to notify when attribute bars are clicked on |
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359 | */ |
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360 | public void addAttributePanelListener(AttributePanelListener a) { |
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361 | m_Listeners.addElement(a); |
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362 | } |
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363 | |
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364 | /** |
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365 | * Set the index of the attribute by which to colour the data. Updates |
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366 | * the number of entries in the colour list if there are more values |
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367 | * for this new attribute than previous ones. |
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368 | * @param c the index of the attribute to colour on |
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369 | * @param h maximum value of this attribute |
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370 | * @param l minimum value of this attribute |
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371 | */ |
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372 | public void setCindex(int c, double h, double l) { |
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373 | m_cIndex = c; |
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374 | m_maxC = h; |
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375 | m_minC = l; |
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376 | |
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377 | if (m_span != null) { |
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378 | if (m_plotInstances.numAttributes() > 0 && |
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379 | m_cIndex < m_plotInstances.numAttributes()) { |
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380 | if (m_plotInstances.attribute(m_cIndex).isNominal()) { |
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381 | if (m_plotInstances.attribute(m_cIndex).numValues() > |
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382 | m_colorList.size()) { |
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383 | extendColourMap(); |
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384 | } |
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385 | } |
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386 | } |
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387 | this.repaint(); |
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388 | } |
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389 | } |
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390 | |
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391 | /** |
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392 | * Set the index of the attribute by which to colour the data. Updates |
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393 | * the number of entries in the colour list if there are more values |
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394 | * for this new attribute than previous ones. |
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395 | * @param c the index of the attribute to colour on |
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396 | */ |
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397 | public void setCindex(int c) { |
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398 | m_cIndex = c; |
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399 | /* m_maxC = h; |
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400 | m_minC = l; */ |
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401 | |
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402 | if (m_span != null) { |
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403 | if (m_cIndex < m_plotInstances.numAttributes() && |
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404 | m_plotInstances.attribute(m_cIndex).isNumeric()) { |
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405 | double min=Double.POSITIVE_INFINITY; |
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406 | double max=Double.NEGATIVE_INFINITY; |
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407 | double value; |
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408 | |
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409 | for (int i=0;i<m_plotInstances.numInstances();i++) { |
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410 | if (!m_plotInstances.instance(i).isMissing(m_cIndex)) { |
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411 | value = m_plotInstances.instance(i).value(m_cIndex); |
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412 | if (value < min) { |
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413 | min = value; |
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414 | } |
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415 | if (value > max) { |
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416 | max = value; |
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417 | } |
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418 | } |
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419 | } |
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420 | |
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421 | m_minC = min; m_maxC = max; |
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422 | } else { |
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423 | if (m_plotInstances.attribute(m_cIndex).numValues() > |
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424 | m_colorList.size()) { |
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425 | extendColourMap(); |
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426 | } |
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427 | } |
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428 | |
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429 | this.repaint(); |
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430 | } |
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431 | } |
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432 | |
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433 | /** |
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434 | * Adds more colours to the colour list |
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435 | */ |
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436 | private void extendColourMap() { |
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437 | if (m_plotInstances.attribute(m_cIndex).isNominal()) { |
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438 | for (int i = m_colorList.size(); |
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439 | i < m_plotInstances.attribute(m_cIndex).numValues(); |
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440 | i++) { |
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441 | Color pc = m_DefaultColors[i % 10]; |
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442 | int ija = i / 10; |
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443 | ija *= 2; |
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444 | for (int j=0;j<ija;j++) { |
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445 | pc = pc.brighter(); |
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446 | } |
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447 | |
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448 | if (m_backgroundColor != null) { |
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449 | pc = Plot2D.checkAgainstBackground(pc, m_backgroundColor); |
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450 | } |
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451 | |
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452 | m_colorList.addElement(pc); |
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453 | } |
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454 | } |
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455 | } |
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456 | |
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457 | /** |
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458 | * Sets a list of colours to use for colouring data points |
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459 | * @param cols a list of java.awt.Color |
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460 | */ |
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461 | public void setColours(FastVector cols) { |
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462 | m_colorList = cols; |
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463 | } |
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464 | |
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465 | protected void setDefaultColourList(Color[] list) { |
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466 | m_DefaultColors = list; |
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467 | } |
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468 | |
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469 | /** |
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470 | * This sets the instances to be drawn into the attribute panel |
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471 | * @param ins The instances. |
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472 | */ |
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473 | public void setInstances(Instances ins) throws Exception { |
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474 | if (ins.numAttributes() > 512) { |
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475 | throw new Exception("Can't display more than 512 attributes!"); |
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476 | } |
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477 | |
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478 | if (m_span == null) { |
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479 | m_span = new JPanel() { |
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480 | private static final long serialVersionUID = 7107576557995451922L; |
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481 | |
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482 | public void paintComponent(Graphics gx) { |
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483 | super.paintComponent(gx); |
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484 | gx.setColor(Color.red); |
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485 | if (m_yIndex != m_xIndex) { |
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486 | gx.drawString("X", 5, m_xIndex * 20 + 16); |
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487 | gx.drawString("Y", 5, m_yIndex * 20 + 16); |
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488 | } |
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489 | else { |
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490 | gx.drawString("B", 5, m_xIndex * 20 + 16); |
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491 | } |
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492 | } |
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493 | }; |
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494 | } |
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495 | |
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496 | m_span.removeAll(); |
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497 | m_plotInstances = ins; |
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498 | if (ins.numInstances() > 0 && ins.numAttributes() > 0) { |
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499 | JPanel padder = new JPanel(); |
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500 | JPanel padd2 = new JPanel(); |
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501 | |
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502 | /* if (m_splitListener != null) { |
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503 | m_plotInstances.randomize(new Random()); |
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504 | } */ |
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505 | |
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506 | m_heights = new int[ins.numInstances()]; |
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507 | |
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508 | m_cIndex = ins.numAttributes() - 1; |
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509 | for (int noa = 0; noa < ins.numInstances(); noa++) { |
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510 | m_heights[noa] = (int)(Math.random() * 19); |
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511 | } |
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512 | m_span.setPreferredSize(new Dimension(m_span.getPreferredSize().width, |
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513 | (m_cIndex + 1) * 20)); |
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514 | m_span.setMaximumSize(new Dimension(m_span.getMaximumSize().width, |
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515 | (m_cIndex + 1) * 20)); |
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516 | AttributeSpacing tmp; |
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517 | |
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518 | GridBagLayout gb = new GridBagLayout(); |
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519 | GridBagLayout gb2 = new GridBagLayout(); |
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520 | GridBagConstraints constraints = new GridBagConstraints(); |
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521 | |
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522 | |
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523 | |
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524 | padder.setLayout(gb); |
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525 | m_span.setLayout(gb2); |
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526 | constraints.anchor = GridBagConstraints.CENTER; |
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527 | constraints.gridx=0;constraints.gridy=0;constraints.weightx=5; |
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528 | constraints.fill = GridBagConstraints.HORIZONTAL; |
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529 | constraints.gridwidth=1;constraints.gridheight=1; |
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530 | constraints.insets = new Insets(0, 0, 0, 0); |
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531 | padder.add(m_span, constraints); |
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532 | constraints.gridx=0;constraints.gridy=1;constraints.weightx=5; |
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533 | constraints.fill = GridBagConstraints.BOTH; |
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534 | constraints.gridwidth=1;constraints.gridheight=1;constraints.weighty=5; |
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535 | constraints.insets = new Insets(0, 0, 0, 0); |
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536 | padder.add(padd2, constraints); |
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537 | constraints.weighty=0; |
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538 | setViewportView(padder); |
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539 | //getViewport().setLayout(null); |
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540 | //m_span.setMinimumSize(new Dimension(100, (m_cIndex + 1) * 24)); |
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541 | //m_span.setSize(100, (m_cIndex + 1) * 24); |
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542 | constraints.anchor = GridBagConstraints.CENTER; |
---|
543 | constraints.gridx=0;constraints.gridy=0;constraints.weightx=5; |
---|
544 | constraints.fill = GridBagConstraints.HORIZONTAL; |
---|
545 | constraints.gridwidth=1;constraints.gridheight=1;constraints.weighty=5; |
---|
546 | constraints.insets = new Insets(2,20,2,4); |
---|
547 | |
---|
548 | for (int noa = 0; noa < ins.numAttributes(); noa++) { |
---|
549 | tmp = new AttributeSpacing(ins.attribute(noa), noa); |
---|
550 | |
---|
551 | constraints.gridy = noa; |
---|
552 | m_span.add(tmp, constraints); |
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553 | } |
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554 | } |
---|
555 | } |
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556 | |
---|
557 | /** |
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558 | * shows which bar is the current x attribute. |
---|
559 | * @param x The attributes index. |
---|
560 | */ |
---|
561 | public void setX(int x) { |
---|
562 | if (m_span != null) { |
---|
563 | m_xIndex = x; |
---|
564 | m_span.repaint(); |
---|
565 | } |
---|
566 | } |
---|
567 | |
---|
568 | /** |
---|
569 | * shows which bar is the current y attribute. |
---|
570 | * @param y The attributes index. |
---|
571 | */ |
---|
572 | public void setY(int y) { |
---|
573 | if (m_span != null) { |
---|
574 | m_yIndex = y; |
---|
575 | m_span.repaint(); |
---|
576 | } |
---|
577 | } |
---|
578 | |
---|
579 | /** |
---|
580 | * Main method for testing this class. |
---|
581 | * @param args first argument should be an arff file. Second argument |
---|
582 | * can be an optional class col |
---|
583 | */ |
---|
584 | public static void main(String [] args) { |
---|
585 | try { |
---|
586 | if (args.length < 1) { |
---|
587 | System.err.println("Usage : weka.gui.visualize.AttributePanel " |
---|
588 | +"<dataset> [class col]"); |
---|
589 | System.exit(1); |
---|
590 | } |
---|
591 | final javax.swing.JFrame jf = |
---|
592 | new javax.swing.JFrame("Weka Explorer: Attribute"); |
---|
593 | jf.setSize(100,100); |
---|
594 | jf.getContentPane().setLayout(new BorderLayout()); |
---|
595 | final AttributePanel p2 = new AttributePanel(); |
---|
596 | p2.addAttributePanelListener(new AttributePanelListener() { |
---|
597 | public void attributeSelectionChange(AttributePanelEvent e) { |
---|
598 | if (e.m_xChange) { |
---|
599 | System.err.println("X index changed to : "+e.m_indexVal); |
---|
600 | } else { |
---|
601 | System.err.println("Y index changed to : "+e.m_indexVal); |
---|
602 | } |
---|
603 | } |
---|
604 | }); |
---|
605 | jf.getContentPane().add(p2, BorderLayout.CENTER); |
---|
606 | jf.addWindowListener(new java.awt.event.WindowAdapter() { |
---|
607 | public void windowClosing(java.awt.event.WindowEvent e) { |
---|
608 | jf.dispose(); |
---|
609 | System.exit(0); |
---|
610 | } |
---|
611 | }); |
---|
612 | if (args.length >= 1) { |
---|
613 | System.err.println("Loading instances from " + args[0]); |
---|
614 | java.io.Reader r = new java.io.BufferedReader( |
---|
615 | new java.io.FileReader(args[0])); |
---|
616 | Instances i = new Instances(r); |
---|
617 | i.setClassIndex(i.numAttributes()-1); |
---|
618 | p2.setInstances(i); |
---|
619 | } |
---|
620 | if (args.length > 1) { |
---|
621 | p2.setCindex((Integer.parseInt(args[1]))-1); |
---|
622 | } else { |
---|
623 | p2.setCindex(0); |
---|
624 | } |
---|
625 | jf.setVisible(true); |
---|
626 | } catch (Exception ex) { |
---|
627 | ex.printStackTrace(); |
---|
628 | System.err.println(ex.getMessage()); |
---|
629 | } |
---|
630 | } |
---|
631 | } |
---|