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 }