| 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; |
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| 543 | constraints.gridx=0;constraints.gridy=0;constraints.weightx=5; |
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| 544 | constraints.fill = GridBagConstraints.HORIZONTAL; |
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| 545 | constraints.gridwidth=1;constraints.gridheight=1;constraints.weighty=5; |
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| 546 | constraints.insets = new Insets(2,20,2,4); |
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| 547 | |
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| 548 | for (int noa = 0; noa < ins.numAttributes(); noa++) { |
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| 549 | tmp = new AttributeSpacing(ins.attribute(noa), noa); |
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| 550 | |
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| 551 | constraints.gridy = noa; |
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| 552 | m_span.add(tmp, constraints); |
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| 553 | } |
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| 554 | } |
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| 555 | } |
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| 556 | |
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| 557 | /** |
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| 558 | * shows which bar is the current x attribute. |
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| 559 | * @param x The attributes index. |
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| 560 | */ |
|---|
| 561 | public void setX(int x) { |
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| 562 | if (m_span != null) { |
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| 563 | m_xIndex = x; |
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| 564 | m_span.repaint(); |
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| 565 | } |
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| 566 | } |
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| 567 | |
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| 568 | /** |
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| 569 | * shows which bar is the current y attribute. |
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| 570 | * @param y The attributes index. |
|---|
| 571 | */ |
|---|
| 572 | public void setY(int y) { |
|---|
| 573 | if (m_span != null) { |
|---|
| 574 | m_yIndex = y; |
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| 575 | m_span.repaint(); |
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| 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 | } |
|---|