Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Foundation; * either version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with this * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------------------ * CombinedCategoryPlotDemo1.java * ------------------------------ * (C) Copyright 2003, 2004, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited). * Contributor(s): -; * * $Id: CombinedCategoryPlotDemo1.java,v 1.14 2004/05/10 16:45:22 mungady Exp $ * * Changes * ------- * 16-May-2003 : Version 1 (DG); * */ package org.jfree.chart.demo; import java.awt.Font; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.StandardCategoryToolTipGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.CombinedDomainCategoryPlot; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * A demo for the {@link CombinedDomainCategoryPlot} class. */ public class CombinedCategoryPlotDemo1 extends ApplicationFrame { /** * Creates a new demo instance. * * @param title the frame title. */ public CombinedCategoryPlotDemo1(final String title) { super(title); // add the chart to a panel... final ChartPanel chartPanel = new ChartPanel(createChart()); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a dataset. * * @return A dataset. */ public CategoryDataset createDataset1() { final DefaultCategoryDataset result = new DefaultCategoryDataset(); // row keys... final String series1 = "First"; final String series2 = "Second"; // column keys... final String type1 = "Type 1"; final String type2 = "Type 2"; final String type3 = "Type 3"; final String type4 = "Type 4"; final String type5 = "Type 5"; final String type6 = "Type 6"; final String type7 = "Type 7"; final String type8 = "Type 8"; result.addValue(1.0, series1, type1); result.addValue(4.0, series1, type2); result.addValue(3.0, series1, type3); result.addValue(5.0, series1, type4); result.addValue(5.0, series1, type5); result.addValue(7.0, series1, type6); result.addValue(7.0, series1, type7); result.addValue(8.0, series1, type8); result.addValue(5.0, series2, type1); result.addValue(7.0, series2, type2); result.addValue(6.0, series2, type3); result.addValue(8.0, series2, type4); result.addValue(4.0, series2, type5); result.addValue(4.0, series2, type6); result.addValue(2.0, series2, type7); result.addValue(1.0, series2, type8); return result; } /** * Creates a dataset. * * @return A dataset. */ public CategoryDataset createDataset2() { final DefaultCategoryDataset result = new DefaultCategoryDataset(); // row keys... final String series1 = "Third"; final String series2 = "Fourth"; // column keys... final String type1 = "Type 1"; final String type2 = "Type 2"; final String type3 = "Type 3"; final String type4 = "Type 4"; final String type5 = "Type 5"; final String type6 = "Type 6"; final String type7 = "Type 7"; final String type8 = "Type 8"; result.addValue(11.0, series1, type1); result.addValue(14.0, series1, type2); result.addValue(13.0, series1, type3); result.addValue(15.0, series1, type4); result.addValue(15.0, series1, type5); result.addValue(17.0, series1, type6); result.addValue(17.0, series1, type7); result.addValue(18.0, series1, type8); result.addValue(15.0, series2, type1); result.addValue(17.0, series2, type2); result.addValue(16.0, series2, type3); result.addValue(18.0, series2, type4); result.addValue(14.0, series2, type5); result.addValue(14.0, series2, type6); result.addValue(12.0, series2, type7); result.addValue(11.0, series2, type8); return result; } // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.com/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please * // * support us so that we can continue developing free software. * // **************************************************************************** /** * Creates a chart. * * @return A chart. */ private JFreeChart createChart() { final CategoryDataset dataset1 = createDataset1(); final NumberAxis rangeAxis1 = new NumberAxis("Value"); rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); final LineAndShapeRenderer renderer1 = new LineAndShapeRenderer(); renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); final CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1); subplot1.setDomainGridlinesVisible(true); final CategoryDataset dataset2 = createDataset2(); final NumberAxis rangeAxis2 = new NumberAxis("Value"); rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); final BarRenderer renderer2 = new BarRenderer(); renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); final CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2); subplot2.setDomainGridlinesVisible(true); final CategoryAxis domainAxis = new CategoryAxis("Category"); final CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis); plot.add(subplot1, 2); plot.add(subplot2, 1); final JFreeChart result = new JFreeChart("Combined Domain Category Plot Demo", new Font("SansSerif", Font.BOLD, 12), plot, true); // result.getLegend().setAnchor(Legend.SOUTH); return result; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final String title = "Combined Category Plot Demo 1"; final CombinedCategoryPlotDemo1 demo = new CombinedCategoryPlotDemo1(title); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }