?? overlaidbarchartdemo.java
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/* ======================================
* JFreeChart : a free Java chart library
* ======================================
*
* Project Info: http://www.jfree.org/jfreechart/index.html
* Project Lead: David Gilbert (david.gilbert@object-refinery.com);
*
* (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
*
* 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.
*
* -------------------------
* OverlaidBarChartDemo.java
* -------------------------
* (C) Copyright 2002, 2003, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: OverlaidBarChartDemo.java,v 1.18 2003/09/08 09:51:56 mungady Exp $
*
* Changes
* -------
* 20-Sep-2002 : Version 1 (DG);
* 11-Oct-2002 : Added tooltips, modified series colors, centered frame on screen (DG);
* 11-Feb-2003 : Fixed bug where category labels were not showing on the axis (DG);
* 08-Sep-2003 : Bug fix (DG);
*
*/
package org.jfree.chart.demo;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardLegend;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.CategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.DatasetRenderingOrder;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.BarRenderer;
import org.jfree.chart.renderer.CategoryItemRenderer;
import org.jfree.chart.renderer.LineAndShapeRenderer;
import org.jfree.data.CategoryDataset;
import org.jfree.data.DatasetUtilities;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A simple demonstration application showing how to create a bar chart overlaid
* with a line chart. From version 0.9.10 onwards, this no longer uses the
* <code>OverlaidCategoryPlot</code> class as this has been removed. Instrad, multiple datasets
* and renderers are added to the standard {@link CategoryPlot} class.
*
* @author David Gilbert
*/
public class OverlaidBarChartDemo extends ApplicationFrame {
/**
* Default constructor.
*
* @param title the frame title.
*/
public OverlaidBarChartDemo(String title) {
super(title);
// create the first dataset...
double[][] data1 = new double[][] {
{1.0, 4.0, 3.0, 5.0, 5.0, 7.0, 7.0, 8.0},
{5.0, 7.0, 6.0, 8.0, 4.0, 4.0, 2.0, 1.0}
};
CategoryDataset dataset1 = DatasetUtilities.createCategoryDataset(
"S", "Category ", data1
);
// create the first plot...
CategoryItemLabelGenerator tooltips = new StandardCategoryItemLabelGenerator();
CategoryItemRenderer renderer = new BarRenderer();
renderer.setItemLabelGenerator(tooltips);
CategoryPlot plot = new CategoryPlot();
plot.setDataset(dataset1);
plot.setRenderer(new BarRenderer());
CategoryAxis domainAxis = new CategoryAxis("Category");
domainAxis.setVerticalCategoryLabels(true);
plot.setDomainAxis(new CategoryAxis("Category"));
plot.setRangeAxis(new NumberAxis("Value"));
plot.setOrientation(PlotOrientation.VERTICAL);
plot.setRangeGridlinesVisible(true);
plot.setDomainGridlinesVisible(true);
ValueAxis rangeAxis2 = new NumberAxis("Axis 2");
plot.setSecondaryRangeAxis(0, rangeAxis2);
// create the second dataset and renderer...
double[][] data2 = new double[][] {
{9.0, 7.0, 2.0, 6.0, 6.0, 9.0, 5.0, 4.0}
};
CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("T", "Category", data2);
CategoryItemRenderer renderer2 = new LineAndShapeRenderer();
plot.setSecondaryDataset(0, dataset2);
plot.setSecondaryRenderer(0, renderer2);
// create the third dataset and renderer...
double[][] data3 = new double[][] {
{94.0, 75.0, 22.0, 74.0, 83.0, 9.0, 23.0, 98.0}
};
CategoryDataset dataset3 = DatasetUtilities.createCategoryDataset("R", "Category", data3);
plot.setSecondaryDataset(1, dataset3);
plot.setSecondaryRenderer(1, new LineAndShapeRenderer());
plot.mapSecondaryDatasetToRangeAxis(1, new Integer(0));
plot.setDatasetRenderingOrder(DatasetRenderingOrder.REVERSE);
JFreeChart chart = new JFreeChart(plot);
chart.setTitle("Overlaid Bar Chart");
chart.setLegend(new StandardLegend(chart));
// add the chart to a panel...
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
OverlaidBarChartDemo demo = new OverlaidBarChartDemo("Overlaid Bar Chart Demo");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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