Admin: 1 версия

2010-06-01T06:52:22Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:45Z

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== 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 (<code>null</code> not permitted).
* @param key the section key (<code>null</code> not permitted).
*
* @return the label (possibly <code>null</code>).
*/
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>

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Admin: 1 версия

в 18:01, 31 мая 2010