Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2011, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * ------------------------------ * CombinedCategoryPlotDemo1.java * ------------------------------ * (C) Copyright 2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): ; * * Changes * ------- * 05-May-2008 : Version 1 (DG); * */ package ChartUsingJava; import java.awt.Font; import javax.swing.JPanel; 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.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.experimental.chart.plot.CombinedCategoryPlot; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * A demo for the {@link CombinedCategoryPlot} class. */ public class CombinedCategoryPlotDemo1 extends ApplicationFrame { /** * Creates a new demo instance. * * @param title the frame title. */ public CombinedCategoryPlotDemo1(String title) { super(title); JPanel chartPanel = createDemoPanel(); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a dataset. * * @return A dataset. */ public static CategoryDataset createDataset1() { DefaultCategoryDataset result = new DefaultCategoryDataset(); String series1 = "First"; String series2 = "Second"; String type1 = "Type 1"; String type2 = "Type 2"; String type3 = "Type 3"; String type4 = "Type 4"; String type5 = "Type 5"; String type6 = "Type 6"; String type7 = "Type 7"; 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 static CategoryDataset createDataset2() { DefaultCategoryDataset result = new DefaultCategoryDataset(); String series1 = "Third"; String series2 = "Fourth"; String type1 = "Type 1"; String type2 = "Type 2"; String type3 = "Type 3"; String type4 = "Type 4"; String type5 = "Type 5"; String type6 = "Type 6"; String type7 = "Type 7"; 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; } /** * Creates a chart. * * @return A chart. */ private static JFreeChart createChart() { CategoryDataset dataset1 = createDataset1(); NumberAxis rangeAxis1 = new NumberAxis("Value"); rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); LineAndShapeRenderer renderer1 = new LineAndShapeRenderer(); renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1); subplot1.setDomainGridlinesVisible(true); CategoryDataset dataset2 = createDataset2(); NumberAxis rangeAxis2 = new NumberAxis("Value"); rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); BarRenderer renderer2 = new BarRenderer(); renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2); subplot2.setDomainGridlinesVisible(true); CategoryAxis domainAxis = new CategoryAxis("Category"); CombinedCategoryPlot plot = new CombinedCategoryPlot(domainAxis, new NumberAxis("Range")); plot.add(subplot1, 2); plot.add(subplot2, 1); JFreeChart result = new JFreeChart("Combined Domain Category Plot Demo", new Font("SansSerif", Font.BOLD, 12), plot, true); return result; } /** * Creates a panel for the demo (used by SuperDemo.java). * * @return A panel. */ public static JPanel createDemoPanel() { JFreeChart chart = createChart(); return new ChartPanel(chart); } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(String[] args) { String title = "Combined Category Plot Demo 1"; CombinedCategoryPlotDemo1 demo = new CombinedCategoryPlotDemo1(title); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }