Java/Chart/Dual Axis Chart

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JFreeChart: Contour Plot Demo

JFreeChart: Dual Axis Demo

   <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.]
*
* -----------------
* DualAxisDemo.java
* -----------------
* (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
*
* Original Author:  David Gilbert (for Object Refinery Limited);
* Contributor(s):   -;
*
* $Id: DualAxisDemo.java,v 1.21 2004/05/10 16:45:24 mungady Exp $
*
* Changes
* -------
* 19-Nov-2002 : Version 1 (DG);
*
*/

package org.jfree.chart.demo; import java.awt.Color; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.CategoryLabelPositions; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.labels.StandardCategoryToolTipGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.DatasetRenderingOrder; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**

* A simple demonstration application showing how to create a dual axis chart based on data
* from two {@link CategoryDataset} instances.
*
*/

public class DualAxisDemo extends ApplicationFrame {

   /**
    * Creates a new demo instance.
    *
    * @param title  the frame title.
    */
   public DualAxisDemo(final String title) {
       super(title);
       final CategoryDataset dataset1 = createDataset1();
       // create the chart...
       final JFreeChart chart = ChartFactory.createBarChart(
           "Dual Axis Chart",        // chart title
           "Category",               // domain axis label
           "Value",                  // range axis label
           dataset1,                 // data
           PlotOrientation.VERTICAL,
           true,                     // include legend
           true,                     // tooltips?
           false                     // URL generator?  Not required...
       );
       // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
       chart.setBackgroundPaint(Color.white);

// chart.getLegend().setAnchor(Legend.SOUTH);

       // get a reference to the plot for further customisation...
       final CategoryPlot plot = chart.getCategoryPlot();
       plot.setBackgroundPaint(new Color(0xEE, 0xEE, 0xFF));
       plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
       final CategoryDataset dataset2 = createDataset2();
       plot.setDataset(1, dataset2);
       plot.mapDatasetToRangeAxis(1, 1);
       final CategoryAxis domainAxis = plot.getDomainAxis();
       domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
       final ValueAxis axis2 = new NumberAxis("Secondary");
       plot.setRangeAxis(1, axis2);
       final LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
       renderer2.setToolTipGenerator(new StandardCategoryToolTipGenerator());
       plot.setRenderer(1, renderer2);
       plot.setDatasetRenderingOrder(DatasetRenderingOrder.REVERSE);
       // OPTIONAL CUSTOMISATION COMPLETED.
       // add the chart to a panel...
       final ChartPanel chartPanel = new ChartPanel(chart);
       chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
       setContentPane(chartPanel);
   }
   // ****************************************************************************
   // * 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 dataset.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset1() {
       // row keys...
       final String series1 = "First";
       final String series2 = "Second";
       final String series3 = "Third";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       final String category5 = "Category 5";
       final String category6 = "Category 6";
       final String category7 = "Category 7";
       final String category8 = "Category 8";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(1.0, series1, category1);
       dataset.addValue(4.0, series1, category2);
       dataset.addValue(3.0, series1, category3);
       dataset.addValue(5.0, series1, category4);
       dataset.addValue(5.0, series1, category5);
       dataset.addValue(7.0, series1, category6);
       dataset.addValue(7.0, series1, category7);
       dataset.addValue(8.0, series1, category8);
       dataset.addValue(5.0, series2, category1);
       dataset.addValue(7.0, series2, category2);
       dataset.addValue(6.0, series2, category3);
       dataset.addValue(8.0, series2, category4);
       dataset.addValue(4.0, series2, category5);
       dataset.addValue(4.0, series2, category6);
       dataset.addValue(2.0, series2, category7);
       dataset.addValue(1.0, series2, category8);
       dataset.addValue(4.0, series3, category1);
       dataset.addValue(3.0, series3, category2);
       dataset.addValue(2.0, series3, category3);
       dataset.addValue(3.0, series3, category4);
       dataset.addValue(6.0, series3, category5);
       dataset.addValue(3.0, series3, category6);
       dataset.addValue(4.0, series3, category7);
       dataset.addValue(3.0, series3, category8);
       return dataset;
   }
   /**
    * Creates a sample dataset.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset2() {
       // row keys...
       final String series1 = "Fourth";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       final String category5 = "Category 5";
       final String category6 = "Category 6";
       final String category7 = "Category 7";
       final String category8 = "Category 8";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(15.0, series1, category1);
       dataset.addValue(24.0, series1, category2);
       dataset.addValue(31.0, series1, category3);
       dataset.addValue(25.0, series1, category4);
       dataset.addValue(56.0, series1, category5);
       dataset.addValue(37.0, series1, category6);
       dataset.addValue(77.0, series1, category7);
       dataset.addValue(18.0, series1, category8);
       return dataset;
   }
   /**
    * Starting point for the demonstration application.
    *
    * @param args  ignored.
    */
   public static void main(final String[] args) {
       final DualAxisDemo demo = new DualAxisDemo("Dual Axis Demo");
       demo.pack();
       RefineryUtilities.centerFrameOnScreen(demo);
       demo.setVisible(true);
   }

}


      </source>
   
  
 
  



JFreeChart: Dual Axis Demo 2

   <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.]
*
* ------------------
* DualAxisDemo2.java
* ------------------
* (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
*
* Original Author:  David Gilbert (for Object Refinery Limited);
* Contributor(s):   -;
*
* $Id: DualAxisDemo2.java,v 1.17 2004/05/21 10:09:10 mungady Exp $
*
* Changes
* -------
* 19-Nov-2002 : Version 1 (DG);
* 27-Apr-2004 : Updated for changes to the XYPlot class (DG);
*
*/

package org.jfree.chart.demo; import java.awt.Color; import java.text.SimpleDateFormat; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.StandardXYToolTipGenerator; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.data.time.Month; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**

* An example of a time series chart.  For the most part, default settings are used, except that
* the renderer is modified to show filled shapes (as well as lines) at each data point.
*
*/

public class DualAxisDemo2 extends ApplicationFrame {

   /**
    * A demonstration application showing how to create a time series chart with dual axes.
    *
    * @param title  the frame title.
    */
   public DualAxisDemo2(final String title) {
       super(title);
       // create a title...
       final String chartTitle = "Dual Axis Demo 2";
       final XYDataset dataset = createDataset1();
       final JFreeChart chart = ChartFactory.createTimeSeriesChart(
           chartTitle, 
           "Date", 
           "Price Per Unit",
           dataset, 
           true, 
           true, 
           false
       );
 //      final StandardLegend legend = (StandardLegend) chart.getLegend();
   //    legend.setDisplaySeriesShapes(true);
       
       final XYPlot plot = chart.getXYPlot();
       final NumberAxis axis2 = new NumberAxis("Secondary");
       axis2.setAutoRangeIncludesZero(false);
       plot.setRangeAxis(1, axis2);
       plot.setDataset(1, createDataset2());
       plot.mapDatasetToRangeAxis(1, 1);
       final XYItemRenderer renderer = plot.getRenderer();
       renderer.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
       if (renderer instanceof StandardXYItemRenderer) {
           final StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
           rr.setPlotShapes(true);
           rr.setShapesFilled(true);
       }
       
       final StandardXYItemRenderer renderer2 = new StandardXYItemRenderer();
       renderer2.setSeriesPaint(0, Color.black);
       renderer2.setPlotShapes(true);
       renderer.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
       plot.setRenderer(1, renderer2);
       
       final DateAxis axis = (DateAxis) plot.getDomainAxis();
       axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
       
       final ChartPanel chartPanel = new ChartPanel(chart);
       chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
       setContentPane(chartPanel);
   }
   /**
    * Creates a sample dataset.
    *
    * @return The dataset.
    */
   private XYDataset createDataset1() {
       final TimeSeries s1 = new TimeSeries("Random Data 1", Month.class);
       s1.add(new Month(2, 2001), 181.8);
       s1.add(new Month(3, 2001), 167.3);
       s1.add(new Month(4, 2001), 153.8);
       s1.add(new Month(5, 2001), 167.6);
       s1.add(new Month(6, 2001), 158.8);
       s1.add(new Month(7, 2001), 148.3);
       s1.add(new Month(8, 2001), 153.9);
       s1.add(new Month(9, 2001), 142.7);
       s1.add(new Month(10, 2001), 123.2);
       s1.add(new Month(11, 2001), 131.8);
       s1.add(new Month(12, 2001), 139.6);
       s1.add(new Month(1, 2002), 142.9);
       s1.add(new Month(2, 2002), 138.7);
       s1.add(new Month(3, 2002), 137.3);
       s1.add(new Month(4, 2002), 143.9);
       s1.add(new Month(5, 2002), 139.8);
       s1.add(new Month(6, 2002), 137.0);
       s1.add(new Month(7, 2002), 132.8);
       final TimeSeriesCollection dataset = new TimeSeriesCollection();
       dataset.addSeries(s1);
       return dataset;
   }
   /**
    * Creates a sample dataset.
    *
    * @return The dataset.
    */
   private XYDataset createDataset2() {
       final TimeSeries s2 = new TimeSeries("Random Data 2", Month.class);
       s2.add(new Month(2, 2001), 429.6);
       s2.add(new Month(3, 2001), 323.2);
       s2.add(new Month(4, 2001), 417.2);
       s2.add(new Month(5, 2001), 624.1);
       s2.add(new Month(6, 2001), 422.6);
       s2.add(new Month(7, 2001), 619.2);
       s2.add(new Month(8, 2001), 416.5);
       s2.add(new Month(9, 2001), 512.7);
       s2.add(new Month(10, 2001), 501.5);
       s2.add(new Month(11, 2001), 306.1);
       s2.add(new Month(12, 2001), 410.3);
       s2.add(new Month(1, 2002), 511.7);
       s2.add(new Month(2, 2002), 611.0);
       s2.add(new Month(3, 2002), 709.6);
       s2.add(new Month(4, 2002), 613.2);
       s2.add(new Month(5, 2002), 711.6);
       s2.add(new Month(6, 2002), 708.8);
       s2.add(new Month(7, 2002), 501.6);
       final TimeSeriesCollection dataset = new TimeSeriesCollection();
       dataset.addSeries(s2);
       return dataset;
   }
   // ****************************************************************************
   // * 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.             *
   // ****************************************************************************
   
   /**
    * Starting point for the demonstration application.
    *
    * @param args  ignored.
    */
   public static void main(final String[] args) {
       final DualAxisDemo2 demo = new DualAxisDemo2("Dual Axis Demo 2");
       demo.pack();
       RefineryUtilities.centerFrameOnScreen(demo);
       demo.setVisible(true);
   }

}


      </source>
   
  
 
  



JFreeChart: Dual Axis Demo 3

   <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.]
*
* ------------------
* DualAxisDemo3.java
* ------------------
* (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
*
* Original Author:  David Gilbert (for Object Refinery Limited);
* Contributor(s):   -;
*
* $Id: DualAxisDemo3.java,v 1.19 2004/04/29 07:54:56 mungady Exp $
*
* Changes
* -------
* 19-Nov-2002 : Version 1 (DG);
*
*/

package org.jfree.chart.demo; import java.awt.Color; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.CategoryItemRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**

* A simple demonstration application showing how to create a dual axis chart based on data
* from two {@link CategoryDataset} instances.
*
*/

public class DualAxisDemo3 extends ApplicationFrame {

   /**
    * Creates a new demo instance.
    *
    * @param title  the frame title.
    */
   public DualAxisDemo3(final String title) {
       super(title);
       final CategoryDataset dataset1 = createDataset1();
       // create the chart...
       final JFreeChart chart = ChartFactory.createBarChart(
           "Dual Axis Chart",           // chart title
           "Category",                  // domain axis label
           "Value",                     // range axis label
           dataset1,                    // dataset
           PlotOrientation.HORIZONTAL,  // orientation
           true,                        // include legend
           true,
           false
       );
       // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
       // set the background color for the chart...
       chart.setBackgroundPaint(new Color(0xCC, 0xFF, 0xCC));
 //      chart.getLegend().setAnchor(Legend.WEST);
       // get a reference to the plot for further customisation...
       final CategoryPlot plot = chart.getCategoryPlot();
       plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
   //    plot.getDomainAxis().setMaxCategoryLabelWidthRatio(10.0f);
       final CategoryDataset dataset2 = createDataset2();
       final ValueAxis axis2 = new NumberAxis("Secondary");
       plot.setRangeAxis(1, axis2);
       plot.setDataset(1, dataset2);
       plot.mapDatasetToRangeAxis(1, 1);
       plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);
       final CategoryItemRenderer renderer2 = new LineAndShapeRenderer();
       plot.setRenderer(1, renderer2);
       // OPTIONAL CUSTOMISATION COMPLETED.
       // 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.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset1() {
       // row keys...
       final String series1 = "First";
       final String series2 = "Second";
       final String series3 = "Third";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       final String category5 = "Category 5";
       final String category6 = "Category 6";
       final String category7 = "Category 7";
       final String category8 = "Category 8";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(1.0, series1, category1);
       dataset.addValue(4.0, series1, category2);
       dataset.addValue(3.0, series1, category3);
       dataset.addValue(5.0, series1, category4);
       dataset.addValue(5.0, series1, category5);
       dataset.addValue(7.0, series1, category6);
       dataset.addValue(7.0, series1, category7);
       dataset.addValue(8.0, series1, category8);
       dataset.addValue(5.0, series2, category1);
       dataset.addValue(7.0, series2, category2);
       dataset.addValue(6.0, series2, category3);
       dataset.addValue(8.0, series2, category4);
       dataset.addValue(4.0, series2, category5);
       dataset.addValue(4.0, series2, category6);
       dataset.addValue(2.0, series2, category7);
       dataset.addValue(1.0, series2, category8);
       dataset.addValue(4.0, series3, category1);
       dataset.addValue(3.0, series3, category2);
       dataset.addValue(2.0, series3, category3);
       dataset.addValue(3.0, series3, category4);
       dataset.addValue(6.0, series3, category5);
       dataset.addValue(3.0, series3, category6);
       dataset.addValue(4.0, series3, category7);
       dataset.addValue(3.0, series3, category8);
       return dataset;
   }
   /**
    * Creates a sample dataset.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset2() {
       // row keys...
       final String series1 = "Fourth";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       final String category5 = "Category 5";
       final String category6 = "Category 6";
       final String category7 = "Category 7";
       final String category8 = "Category 8";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(15.0, series1, category1);
       dataset.addValue(24.0, series1, category2);
       dataset.addValue(31.0, series1, category3);
       dataset.addValue(25.0, series1, category4);
       dataset.addValue(56.0, series1, category5);
       dataset.addValue(37.0, series1, category6);
       dataset.addValue(77.0, series1, category7);
       dataset.addValue(18.0, series1, category8);
       return dataset;
   }
   // ****************************************************************************
   // * 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.             *
   // ****************************************************************************
   
   /**
    * Starting point for the demonstration application.
    *
    * @param args  ignored.
    */
   public static void main(final String[] args) {
       final DualAxisDemo3 demo = new DualAxisDemo3("Dual Axis Demo 3");
       demo.pack();
       RefineryUtilities.centerFrameOnScreen(demo);
       demo.setVisible(true);
   }

}


      </source>
   
  
 
  



JFreeChart: Dual Axis Demo 4

   <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.]
*
* ------------------
* DualAxisDemo4.java
* ------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
*
* Original Author:  David Gilbert (for Object Refinery Limited);
* Contributor(s):   -;
*
* $Id: DualAxisDemo4.java,v 1.12 2004/04/29 07:54:56 mungady Exp $
*
* Changes
* -------
* 04-Jul-2003 : Version 1 (DG);
*
*/

package org.jfree.chart.demo; import java.awt.Color; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.NumberAxis3D; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.DatasetRenderingOrder; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.CategoryItemRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**

* A simple demonstration application showing how to create a dual axis chart based on data
* from two {@link CategoryDataset} instances.
*
*/

public class DualAxisDemo4 extends ApplicationFrame {

   /**
    * Creates a new demo instance.
    *
    * @param title  the frame title.
    */
   public DualAxisDemo4(final String title) {
       super(title);
       final CategoryDataset dataset1 = createDataset1();
       // create the chart...
       final JFreeChart chart = ChartFactory.createBarChart3D(
           "Dual Axis Chart",  // chart title
           "Category",         // domain axis label
           "Value",            // range axis label
           dataset1,           // data
           PlotOrientation.VERTICAL,
           true,               // include legend
           true,
           false
       );
       // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
       // set the background color for the chart...
       chart.setBackgroundPaint(new Color(0xCC, 0xFF, 0xCC));

// chart.getLegend().setAnchor(Legend.SOUTH);

       // get a reference to the plot for further customisation...
       final CategoryPlot plot = chart.getCategoryPlot();
       plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
       plot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
       final CategoryItemRenderer renderer1 = plot.getRenderer();
       renderer1.setSeriesPaint(0, Color.red);
       renderer1.setSeriesPaint(1, Color.yellow);
       renderer1.setSeriesPaint(2, Color.green);
       final CategoryDataset dataset2 = createDataset2();
       final ValueAxis axis2 = new NumberAxis3D("Secondary");
       plot.setRangeAxis(1, axis2);
       plot.setDataset(1, dataset2);
       plot.mapDatasetToRangeAxis(1, 1);
       final CategoryItemRenderer renderer2 = new LineAndShapeRenderer();
       renderer2.setSeriesPaint(0, Color.blue);
       plot.setRenderer(1, renderer2);
       plot.setDatasetRenderingOrder(DatasetRenderingOrder.REVERSE);
       // OPTIONAL CUSTOMISATION COMPLETED.
       // add the chart to a panel...
       final ChartPanel chartPanel = new ChartPanel(chart);
       chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
       setContentPane(chartPanel);
   }
   // ****************************************************************************
   // * 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 dataset.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset1() {
       // row keys...
       final String series1 = "First";
       final String series2 = "Second";
       final String series3 = "Third";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       final String category5 = "Category 5";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(1.0, series1, category1);
       dataset.addValue(4.0, series1, category2);
       dataset.addValue(3.0, series1, category3);
       dataset.addValue(5.0, series1, category4);
       dataset.addValue(5.0, series1, category5);
       dataset.addValue(5.0, series2, category1);
       dataset.addValue(7.0, series2, category2);
       dataset.addValue(6.0, series2, category3);
       dataset.addValue(8.0, series2, category4);
       dataset.addValue(4.0, series2, category5);
       dataset.addValue(4.0, series3, category1);
       dataset.addValue(3.0, series3, category2);
       dataset.addValue(2.0, series3, category3);
       dataset.addValue(3.0, series3, category4);
       dataset.addValue(6.0, series3, category5);
       return dataset;
   }
   /**
    * Creates a sample dataset.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset2() {
       // row keys...
       final String series1 = "Fourth";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       final String category5 = "Category 5";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(15.0, series1, category1);
       dataset.addValue(24.0, series1, category2);
       dataset.addValue(31.0, series1, category3);
       dataset.addValue(25.0, series1, category4);
       dataset.addValue(56.0, series1, category5);
       return dataset;
   }
   /**
    * Starting point for the demonstration application.
    *
    * @param args  ignored.
    */
   public static void main(final String[] args) {
       final DualAxisDemo4 demo = new DualAxisDemo4("Dual Axis Demo 4");
       demo.pack();
       RefineryUtilities.centerFrameOnScreen(demo);
       demo.setVisible(true);
   }

}


      </source>
   
  
 
  



JFreeChart: Dual Axis Demo 5

   <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.]
*
* ------------------
* DualAxisDemo5.java
* ------------------
* (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
*
* Original Author:  David Gilbert (for Object Refinery Limited);
* Contributor(s):   -;
*
* $Id: DualAxisDemo5.java,v 1.12 2004/04/29 07:54:56 mungady Exp $
*
* Changes
* -------
* 19-Sep-2003 : Version 1 (DG);
* 06-Feb-2004 : Modified to correct legend (DG);
*
*/

package org.jfree.chart.demo; import java.awt.Color; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.LegendItem; import org.jfree.chart.LegendItemCollection; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.CategoryItemRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**

* This demo shows how to create a dual axis bar chart.  A workaround is used because the
* {@link BarRenderer} and {@link CategoryAxis} classes will overlap the bars for the two 
* datasets - to get around this, an an additional series (containing "null" values) is added 
* to each dataset, and the getLegendItems() method in the plot is overridden.
*
*/

public class DualAxisDemo5 extends ApplicationFrame {

   /**
    * Creates a new demo instance.
    *
    * @param title  the frame title.
    */
   public DualAxisDemo5(final String title) {
       super(title);
       final CategoryDataset dataset1 = createDataset1();
       final CategoryDataset dataset2 = createDataset2();
       final JFreeChart chart = createChart(dataset1, dataset2);
       final ChartPanel chartPanel = new ChartPanel(chart);
       chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
       setContentPane(chartPanel);
   }
   // ****************************************************************************
   // * 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 dataset.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset1() {
       // row keys...
       final String series1 = "Series 1";
       final String series2 = "Dummy 1";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(1.0, series1, category1);
       dataset.addValue(4.0, series1, category2);
       dataset.addValue(3.0, series1, category3);
       dataset.addValue(5.0, series1, category4);
       dataset.addValue(null, series2, category1);
       dataset.addValue(null, series2, category2);
       dataset.addValue(null, series2, category3);
       dataset.addValue(null, series2, category4);
       return dataset;
   }
   /**
    * Creates a sample dataset.
    *
    * @return  The dataset.
    */
   private CategoryDataset createDataset2() {
       // row keys...
       final String series1 = "Dummy 2";
       final String series2 = "Series 2";
       // column keys...
       final String category1 = "Category 1";
       final String category2 = "Category 2";
       final String category3 = "Category 3";
       final String category4 = "Category 4";
       // create the dataset...
       final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
       dataset.addValue(null, series1, category1);
       dataset.addValue(null, series1, category2);
       dataset.addValue(null, series1, category3);
       dataset.addValue(null, series1, category4);
       dataset.addValue(75.0, series2, category1);
       dataset.addValue(87.0, series2, category2);
       dataset.addValue(96.0, series2, category3);
       dataset.addValue(68.0, series2, category4);
       return dataset;
   }
   /**
    * Creates a chart.
    * 
    * @param dataset1  the first dataset.
    * @param dataset2  the second dataset.
    * 
    * @return A chart.
    */
   private JFreeChart createChart(final CategoryDataset dataset1, final CategoryDataset dataset2) {
       final CategoryAxis domainAxis = new CategoryAxis("Category");
       final NumberAxis rangeAxis = new NumberAxis("Value");
       final BarRenderer renderer1 = new BarRenderer();
       final CategoryPlot plot = new CategoryPlot(dataset1, domainAxis, rangeAxis, renderer1) {
           
           /**
            * Override the getLegendItems() method to handle special case.
            *
            * @return the legend items.
            */
           public LegendItemCollection getLegendItems() {
               final LegendItemCollection result = new LegendItemCollection();
               final CategoryDataset data = getDataset();
               if (data != null) {
                   final CategoryItemRenderer r = getRenderer();
                   if (r != null) {
                       final LegendItem item = r.getLegendItem(0, 0);
                       result.add(item);
                   }
               }
               // the JDK 1.2.2 compiler complained about the name of this
               // variable 
               final CategoryDataset dset2 = getDataset(1);
               if (dset2 != null) {
                   final CategoryItemRenderer renderer2 = getRenderer(1);
                   if (renderer2 != null) {
                       final LegendItem item = renderer2.getLegendItem(1, 1);
                       result.add(item);
                   }
               }
               return result;
           }
           
       };
       
       final JFreeChart chart = new JFreeChart("Dual Axis Bar Chart", plot);
       chart.setBackgroundPaint(Color.white);

// chart.getLegend().setAnchor(Legend.SOUTH);

       plot.setBackgroundPaint(new Color(0xEE, 0xEE, 0xFF));
       plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
       plot.setDataset(1, dataset2);
       plot.mapDatasetToRangeAxis(1, 1);
       final ValueAxis axis2 = new NumberAxis("Secondary");
       plot.setRangeAxis(1, axis2);
       plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);
       final BarRenderer renderer2 = new BarRenderer();
       plot.setRenderer(1, renderer2);
       
       return chart;
   }
   
   /**
    * Starting point for the demonstration application.
    *
    * @param args  ignored.
    */
   public static void main(final String[] args) {
       final DualAxisDemo5 demo = new DualAxisDemo5("Dual Axis Demo 5");
       demo.pack();
       RefineryUtilities.centerFrameOnScreen(demo);
       demo.setVisible(true);
   }

}

      </source>