Java/Chart/Pie Chart 3D
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 (possibly null).
*/
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>
