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.] * * -------------------------- * MultiplePieChartDemo3.java * -------------------------- * (C) Copyright 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: MultiplePieChartDemo3.java,v 1.6 2004/04/26 19:12:00 taqua Exp $ * * Changes * ------- * 29-Jan-2004 : Version 1 (DG); * */ package org.jfree.chart.demo; import java.awt.Color; import java.awt.Font; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.MultiplePiePlot; import org.jfree.chart.plot.PiePlot; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.util.TableOrder; /** * A simple demonstration application showing how to create a chart consisting of multiple * pie charts. * */ public class MultiplePieChartDemo3 extends ApplicationFrame { /** * Creates a new demo. * * @param title the frame title. */ public MultiplePieChartDemo3(final String title) { super(title); final CategoryDataset dataset = createDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart, true, true, true, false, true); chartPanel.setPreferredSize(new java.awt.Dimension(600, 380)); setContentPane(chartPanel); } /** * Creates a sample dataset. * * @return A sample dataset. */ private CategoryDataset createDataset() { final DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(5.6, "Row 0", "Column 0"); dataset.addValue(5.6, "Row 0", "Column 1"); dataset.addValue(5.6, "Row 0", "Column 2"); dataset.addValue(5.6, "Row 0", "Column 3"); dataset.addValue(5.6, "Row 0", "Column 4"); dataset.addValue(5.6, "Row 1", "Column 0"); dataset.addValue(5.6, "Row 1", "Column 1"); dataset.addValue(5.6, "Row 1", "Column 2"); dataset.addValue(5.6, "Row 1", "Column 3"); dataset.addValue(5.6, "Row 1", "Column 4"); dataset.addValue(5.6, "Row 2", "Column 0"); dataset.addValue(5.6, "Row 2", "Column 1"); dataset.addValue(5.6, "Row 2", "Column 2"); dataset.addValue(5.6, "Row 2", "Column 3"); dataset.addValue(5.6, "Row 2", "Column 4"); dataset.addValue(5.6, "Row 3", "Column 0"); dataset.addValue(5.6, "Row 3", "Column 1"); dataset.addValue(5.6, "Row 3", "Column 2"); dataset.addValue(5.6, "Row 3", "Column 3"); dataset.addValue(5.6, "Row 3", "Column 4"); dataset.addValue(5.6, "Row 4", "Column 0"); dataset.addValue(5.6, "Row 4", "Column 1"); dataset.addValue(5.6, "Row 4", "Column 2"); dataset.addValue(5.6, "Row 4", "Column 3"); dataset.addValue(5.6, "Row 4", "Column 4"); return dataset; } /** * Creates a sample chart for the given dataset. * * @param dataset the dataset. * * @return A sample chart. */ private JFreeChart createChart(final CategoryDataset dataset) { final JFreeChart chart = ChartFactory.createMultiplePieChart3D("Multiple Pie Chart Demo 3", dataset, TableOrder.BY_COLUMN, true, true, false); chart.setBackgroundPaint(new Color(216, 255, 216)); final MultiplePiePlot plot = (MultiplePiePlot) chart.getPlot(); final PiePlot p = (PiePlot) plot.getPieChart().getPlot(); p.setMaximumLabelWidth(0.35); p.setLabelFont(new Font("SansSerif", Font.PLAIN, 9)); p.setInteriorGap(0.30); return chart; } // **************************************************************************** // * 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 MultiplePieChartDemo3 demo = new MultiplePieChartDemo3("Multiple Pie Chart Demo 3"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }