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.] * * -------------------------- * StackedBarChart3DDemo.java * -------------------------- * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: StackedBarChart3DDemo.java,v 1.16 2004/05/10 16:45:23 mungady Exp $ * * Changes * ------- * 05-Nov-2002 : Version 1 (DG); * 26-Mar-2004 : Added item labels (DG); * */ package org.jfree.chart.demo; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.LegendRenderingOrder; import org.jfree.chart.labels.ItemLabelAnchor; import org.jfree.chart.labels.ItemLabelPosition; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.CategoryItemRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.ui.TextAnchor; /** * A simple demonstration application showing how to create a stacked 3D bar chart * using data from a {@link CategoryDataset}. * */ public class StackedBarChart3DDemo extends ApplicationFrame { /** * Creates a new demo. * * @param title the frame title. */ public StackedBarChart3DDemo(final String title) { super(title); final CategoryDataset dataset = DemoDatasetFactory.createCategoryDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a chart. * * @param dataset the dataset. * * @return The chart. */ private JFreeChart createChart(final CategoryDataset dataset) { final JFreeChart chart = ChartFactory.createStackedBarChart3D("Stacked Bar Chart 3D Demo", // chart title "Category", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.HORIZONTAL, // the plot orientation true, // include legend true, // tooltips false // urls ); // final StandardLegend legend = (StandardLegend) chart.getLegend(); // legend.setRenderingOrder(LegendRenderingOrder.REVERSE); final CategoryPlot plot = (CategoryPlot) chart.getPlot(); final CategoryItemRenderer renderer = plot.getRenderer(); // renderer.setLabelGenerator(new StandardCategoryLabelGenerator()); renderer.setItemLabelsVisible(true); renderer.setPositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); renderer.setNegativeItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); 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 StackedBarChart3DDemo demo = new StackedBarChart3DDemo("Stacked Bar Chart 3D Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }