001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.jmathplot;
025    
026    import java.awt.BorderLayout;
027    
028    import org.math.plot.Plot2DPanel;
029    import org.ujmp.core.Matrix;
030    
031    public class JMathPlotScatterPanel extends AbstractJMathPlotPanel {
032            private static final long serialVersionUID = -4535556358042506549L;
033    
034            public JMathPlotScatterPanel(Matrix matrix) {
035                    super(matrix);
036            }
037    
038            
039            public void repaintUI() {
040                    Matrix matrix = getMatrix();
041    
042                    String xLabel = matrix.getColumnLabel(0);
043                    xLabel = xLabel == null ? "Column 0" : xLabel;
044                    String yLabel = null;
045                    if (matrix.getColumnCount() == 2) {
046                            yLabel = matrix.getColumnLabel(1);
047                    }
048                    yLabel = yLabel == null ? "Value" : yLabel;
049    
050                    Plot2DPanel panel = new Plot2DPanel();
051                    double[] x = new double[(int) getMatrix().getRowCount()];
052                    for (int r = 0; r < matrix.getRowCount(); r++) {
053                            x[r] = matrix.getAsDouble(r, 0);
054                    }
055                    for (int c = 1; c < matrix.getColumnCount(); c++) {
056                            double[] y = new double[(int) matrix.getRowCount()];
057                            for (int r = 0; r < matrix.getRowCount(); r++) {
058                                    y[r] = matrix.getAsDouble(r, c);
059                            }
060                            String colLabel = matrix.getColumnLabel(c);
061                            colLabel = colLabel == null ? "Column " + c : colLabel;
062                            panel.addScatterPlot(colLabel, x, y);
063                    }
064    
065                    panel.setAxisLabels(new String[] { xLabel, yLabel });
066                    panel.addLegend("SOUTH");
067                    setLayout(new BorderLayout());
068                    add(panel, BorderLayout.CENTER);
069                    setPanel(panel);
070                    getParent().repaint();
071            }
072    
073    }