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.] * * ------------------------ * CombinedXYPlotDemo4.java * ------------------------ * (C) Copyright 2003, 2004, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited). * Contributor(s): -; * * $Id $ * * Changes * ------- * 29-Jul-2003 : Version 1 (DG); * 27-Apr-2004 : Modified for changes to XYPlot (DG); * */ package org.jfree.chart.demo; import java.awt.Font; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.annotations.XYTextAnnotation; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CombinedDomainXYPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * A demonstration application showing how to create a vertical combined chart. * */ public class CombinedXYPlotDemo4 extends ApplicationFrame { /** * Constructs a new demonstration application. * * @param title the frame title. */ public CombinedXYPlotDemo4(final String title) { super(title); final JFreeChart chart = createCombinedChart(); final ChartPanel panel = new ChartPanel(chart, true, true, true, false, true); panel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(panel); } /** * Creates a combined chart. * * @return The combined chart. */ private JFreeChart createCombinedChart() { // create subplot 1... final XYDataset data1 = createDataset1(); final XYItemRenderer renderer1 = new StandardXYItemRenderer(); final NumberAxis rangeAxis1 = new NumberAxis("Range 1"); final XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1); subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT); // add secondary axis subplot1.setDataset(1, createDataset2()); final NumberAxis axis2 = new NumberAxis("Range Axis 2"); axis2.setAutoRangeIncludesZero(false); subplot1.setRangeAxis(1, axis2); subplot1.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT); subplot1.setRenderer(1, new StandardXYItemRenderer()); subplot1.mapDatasetToRangeAxis(1, 1); final XYTextAnnotation annotation = new XYTextAnnotation("Hello!", 50.0, 10000.0); annotation.setFont(new Font("SansSerif", Font.PLAIN, 9)); annotation.setRotationAngle(Math.PI / 4.0); subplot1.addAnnotation(annotation); // create subplot 2... final XYDataset data2 = createDataset2(); final XYItemRenderer renderer2 = new StandardXYItemRenderer(); final NumberAxis rangeAxis2 = new NumberAxis("Range 2"); rangeAxis2.setAutoRangeIncludesZero(false); final XYPlot subplot2 = new XYPlot(data2, null, rangeAxis2, renderer2); subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT); // parent plot... final CombinedDomainXYPlot plot = new CombinedDomainXYPlot(new NumberAxis("Domain")); plot.setGap(10.0); // add the subplots... plot.add(subplot1, 1); plot.add(subplot2, 1); plot.setOrientation(PlotOrientation.VERTICAL); // return a new chart containing the overlaid plot... return new JFreeChart("CombinedDomainXYPlot Demo", JFreeChart.DEFAULT_TITLE_FONT, plot, true); } /** * Creates a sample dataset. * * @return Series 1. */ private XYDataset createDataset1() { // create dataset 1... final XYSeries series1 = new XYSeries("Series 1a"); series1.add(10.0, 12353.3); series1.add(20.0, 13734.4); series1.add(30.0, 14525.3); series1.add(40.0, 13984.3); series1.add(50.0, 12999.4); series1.add(60.0, 14274.3); series1.add(70.0, 15943.5); series1.add(80.0, 14845.3); series1.add(90.0, 14645.4); series1.add(100.0, 16234.6); series1.add(110.0, 17232.3); series1.add(120.0, 14232.2); series1.add(130.0, 13102.2); series1.add(140.0, 14230.2); series1.add(150.0, 11235.2); final XYSeries series1b = new XYSeries("Series 1b"); series1b.add(10.0, 15000.3); series1b.add(20.0, 11000.4); series1b.add(30.0, 17000.3); series1b.add(40.0, 15000.3); series1b.add(50.0, 14000.4); series1b.add(60.0, 12000.3); series1b.add(70.0, 11000.5); series1b.add(80.0, 12000.3); series1b.add(90.0, 13000.4); series1b.add(100.0, 12000.6); series1b.add(110.0, 13000.3); series1b.add(120.0, 17000.2); series1b.add(130.0, 18000.2); series1b.add(140.0, 16000.2); series1b.add(150.0, 17000.2); final XYSeriesCollection collection = new XYSeriesCollection(); collection.addSeries(series1); collection.addSeries(series1b); return collection; } /** * Creates a sample dataset. * * @return A sample dataset. */ private XYDataset createDataset2() { // create dataset 2... final XYSeries series2 = new XYSeries("Series 2"); series2.add(10.0, 16853.2); series2.add(20.0, 19642.3); series2.add(30.0, 18253.5); series2.add(40.0, 15352.3); series2.add(50.0, 13532.0); series2.add(100.0, 12635.3); series2.add(110.0, 13998.2); series2.add(120.0, 11943.2); series2.add(130.0, 16943.9); series2.add(140.0, 17843.2); series2.add(150.0, 16495.3); series2.add(160.0, 17943.6); series2.add(170.0, 18500.7); series2.add(180.0, 19595.9); return new XYSeriesCollection(series2); } // **************************************************************************** // * 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. * // **************************************************************************** /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final CombinedXYPlotDemo4 demo = new CombinedXYPlotDemo4("CombinedDomainXYPlot Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }