Java/Chart/Pie Chart 3D — различия между версиями
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Текущая версия на 09:52, 1 июня 2010
Содержание
JFreeChart: Pie Chart 3D Demo 1
<source lang="java">
/* ===========================================================
* 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.] * * -------------------- * PieChart3DDemo1.java * -------------------- * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: PieChart3DDemo1.java,v 1.8 2004/04/26 19:12:00 taqua Exp $ * * Changes * ------- * 19-Jun-2002 : Version 1 (DG); * 31-Jul-2002 : Updated with changes to Pie3DPlot class (DG); * 11-Oct-2002 : Fixed errors reported by Checkstyle (DG); * 23-Dec-2003 : Renamed Pie3DChartDemo1 --> PieChart3DDemo1 (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.plot.PiePlot3D; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.util.Rotation; /**
* A simple demonstration application showing how to create a pie chart using data from a * {@link DefaultPieDataset}. * */
public class PieChart3DDemo1 extends ApplicationFrame {
/** * Creates a new demo. * * @param title the frame title. */ public PieChart3DDemo1(final String title) { super(title); // create a dataset... final PieDataset dataset = createSampleDataset(); // create the chart... final JFreeChart chart = createChart(dataset); // add the chart to a panel... final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a sample dataset for the demo. * * @return A sample dataset. */ private PieDataset createSampleDataset() { final DefaultPieDataset result = new DefaultPieDataset(); result.setValue("Java", new Double(43.2)); result.setValue("Visual Basic", new Double(10.0)); result.setValue("C/C++", new Double(17.5)); result.setValue("PHP", new Double(32.5)); result.setValue("Perl", new Double(1.0)); 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.ru/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 sample chart. * * @param dataset the dataset. * * @return A chart. */ private JFreeChart createChart(final PieDataset dataset) { final JFreeChart chart = ChartFactory.createPieChart3D( "Pie Chart 3D Demo 1", // chart title dataset, // data true, // include legend true, false ); final PiePlot3D plot = (PiePlot3D) chart.getPlot(); plot.setStartAngle(290); plot.setDirection(Rotation.CLOCKWISE); plot.setForegroundAlpha(0.5f); plot.setNoDataMessage("No data to display"); return chart; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final PieChart3DDemo1 demo = new PieChart3DDemo1("Pie Chart 3D Demo 1"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); }
}
</source>
JFreeChart: Pie Chart 3D Demo 2 with Rotation
<source lang="java">
/* ===========================================================
* 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.] * * -------------------- * PieChart3DDemo2.java * -------------------- * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: PieChart3DDemo2.java,v 1.7 2004/04/26 19:12:00 taqua Exp $ * * Changes * ------- * 18-Oct-2002 : Version 1 (DG); * 23-Dec-2003 : Renamed Pie3DChartDemo2 --> PieChart3DDemo2 (DG); * */
package org.jfree.chart.demo; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.Timer; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PiePlot3D; import org.jfree.data.general.DefaultPieDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.util.Rotation; /**
* A rotating 3D pie chart. * */
public class PieChart3DDemo2 extends ApplicationFrame {
/** * Creates a new demo. * * @param title the frame title. */ public PieChart3DDemo2(final String title) { super(title); // create a dataset... final DefaultPieDataset data = new DefaultPieDataset(); data.setValue("Java", new Double(43.2)); data.setValue("Visual Basic", new Double(10.0)); data.setValue("C/C++", new Double(17.5)); data.setValue("PHP", new Double(32.5)); data.setValue("Perl", new Double(12.5)); // create the chart... final JFreeChart chart = ChartFactory.createPieChart3D( "Pie Chart 3D Demo 2", // chart title data, // data true, // include legend true, false ); chart.setBackgroundPaint(Color.yellow); final PiePlot3D plot = (PiePlot3D) chart.getPlot(); plot.setStartAngle(270); plot.setDirection(Rotation.ANTICLOCKWISE); plot.setForegroundAlpha(0.60f); plot.setInteriorGap(0.33); // add the chart to a panel... final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); final Rotator rotator = new Rotator(plot); rotator.start(); } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final PieChart3DDemo2 demo = new PieChart3DDemo2("Pie Chart 3D Demo 2"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); }
} // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.ru/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please * // * support us so that we can continue developing free software. * // **************************************************************************** /**
* The rotator. * */
class Rotator extends Timer implements ActionListener {
/** The plot. */ private PiePlot3D plot; /** The angle. */ private int angle = 270; /** * Constructor. * * @param plot the plot. */ Rotator(final PiePlot3D plot) { super(100, null); this.plot = plot; addActionListener(this); } /** * Modifies the starting angle. * * @param event the action event. */ public void actionPerformed(final ActionEvent event) { this.plot.setStartAngle(this.angle); this.angle = this.angle + 1; if (this.angle == 360) { this.angle = 0; } }
}
</source>
JFreeChart: Pie Chart 3D Demo 3 with no labels
<source lang="java">
/* ===========================================================
* 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.] * * -------------------- * PieChart3DDemo3.java * -------------------- * (C) Copyright 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: PieChart3DDemo3.java,v 1.2 2004/04/26 19:12:00 taqua Exp $ * * Changes * ------- * 31-Mar-2004 : Version 1 (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.plot.PiePlot3D; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.util.Rotation; /**
* A pie chart with no labels. */
public class PieChart3DDemo3 extends ApplicationFrame {
/** * Creates a new demo. * * @param title the frame title. */ public PieChart3DDemo3(final String title) { super(title); final PieDataset dataset = createSampleDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a sample dataset for the demo. * * @return A sample dataset. */ private PieDataset createSampleDataset() { final DefaultPieDataset result = new DefaultPieDataset(); result.setValue("Java", new Double(43.2)); result.setValue("Visual Basic", new Double(10.0)); result.setValue("C/C++", new Double(17.5)); result.setValue("PHP", new Double(32.5)); result.setValue("Perl", new Double(1.0)); 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.ru/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 sample chart. * * @param dataset the dataset. * * @return A chart. */ private JFreeChart createChart(final PieDataset dataset) { final JFreeChart chart = ChartFactory.createPieChart3D( "Pie Chart 3D Demo 3", // chart title dataset, // data true, // include legend true, false ); final PiePlot3D plot = (PiePlot3D) chart.getPlot(); plot.setStartAngle(290); plot.setDirection(Rotation.CLOCKWISE); plot.setForegroundAlpha(0.5f); plot.setNoDataMessage("No data to display"); plot.setLabelGenerator(null); return chart; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final PieChart3DDemo3 demo = new PieChart3DDemo3("Pie Chart 3D Demo 3"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); }
}
</source>
JFreeChart: Pie Chart 3D Demo 4 with a custom label generator
<source lang="java">
/* ===========================================================
* 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.] * * -------------------- * PieChart3DDemo4.java * -------------------- * (C) Copyright 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: PieChart3DDemo4.java,v 1.3 2004/04/26 19:12:00 taqua Exp $ * * Changes * ------- * 31-Mar-2004 : Version 1 (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.labels.PieSectionLabelGenerator; import org.jfree.chart.plot.PiePlot3D; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.util.Rotation; /**
* A pie chart with a custom label generator. */
public class PieChart3DDemo4 extends ApplicationFrame {
/** * Creates a new demo. * * @param title the frame title. */ public PieChart3DDemo4(final String title) { super(title); final PieDataset dataset = createSampleDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a sample dataset for the demo. * * @return A sample dataset. */ private PieDataset createSampleDataset() { final DefaultPieDataset result = new DefaultPieDataset(); result.setValue("Java", new Double(43.2)); result.setValue("Visual Basic", new Double(10.0)); result.setValue("C/C++", new Double(17.5)); result.setValue("PHP", new Double(32.5)); result.setValue("Perl", new Double(1.0)); 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.ru/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 sample chart. * * @param dataset the dataset. * * @return A chart. */ private JFreeChart createChart(final PieDataset dataset) { final JFreeChart chart = ChartFactory.createPieChart3D( "Pie Chart 3D Demo 4", // chart title dataset, // data true, // include legend true, false ); final PiePlot3D plot = (PiePlot3D) chart.getPlot(); plot.setStartAngle(290); plot.setDirection(Rotation.CLOCKWISE); plot.setForegroundAlpha(0.5f); plot.setNoDataMessage("No data to display"); plot.setLabelGenerator(new CustomLabelGenerator()); return chart; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final PieChart3DDemo4 demo = new PieChart3DDemo4("Pie Chart 3D Demo 4"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } /** * A custom label generator (returns null for one item as a test). */ static class CustomLabelGenerator implements PieSectionLabelGenerator { /** * Generates a label for a pie section. * * @param dataset the dataset (null
not permitted). * @param key the section key (null
not permitted). * * @return the label (possiblynull
). */ public String generateSectionLabel(final PieDataset dataset, final Comparable key) { String result = null; if (dataset != null) { if (!key.equals("PHP")) { result = key.toString(); } } return result; } }
}
</source>