A demo showing how to create an HTML image map for a 3D bar chart : Create HTML Image Map « Chart « Java

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Java » Chart » Create HTML Image MapScreenshots 
A demo showing how to create an HTML image map for a 3D bar chart


/* ===========================================================
 * 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.]
 *
 * ------------------
 * ImageMapDemo4.java
 * ------------------
 * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   Richard Atkinson (richard_c_atkinson@ntlworld.com);
 *
 * $Id: ImageMapDemo4.java,v 1.11 2004/05/10 16:45:23 mungady Exp $
 *
 * Changes
 * -------
 * 22-Dec-2003 : Version 1 (DG);
 *
 */

package org.jfree.chart.demo;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis3D;
import org.jfree.chart.axis.NumberAxis3D;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer3D;
import org.jfree.chart.urls.StandardCategoryURLGenerator;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;

/**
 * A demo showing how to create an HTML image map for a 3D bar chart.
 *
 */
public class ImageMapDemo4 {

    /**
     * Default constructor.
     */
    public ImageMapDemo4() {
        super();
    }

    /**
     * Starting point for the demo.
     *
     @param args  ignored.
     */
    public static void main(final String[] args) {

        // create a chart
        final double[][] data = new double[][] {
            {56.0, -12.034.076.056.0100.067.045.0},
            {37.045.067.025.034.034.0100.053.0},
            {43.054.034.034.087.064.073.012.0}
        };
        final CategoryDataset dataset = DatasetUtilities.createCategoryDataset(
            "Series ""Type ", data
        );

        JFreeChart chart = null;
        final boolean drilldown = true;

        if (drilldown) {
            final CategoryAxis3D categoryAxis = new CategoryAxis3D("Category");
            final ValueAxis valueAxis = new NumberAxis3D("Value");
            final BarRenderer3D renderer = new BarRenderer3D();
            renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
            renderer.setItemURLGenerator(new StandardCategoryURLGenerator("bar_chart_detail.jsp"));
            final CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
            plot.setOrientation(PlotOrientation.VERTICAL);
            chart = new JFreeChart("Bar Chart", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
        }
        else {
            chart = ChartFactory.createBarChart3D(
                "Bar Chart",           // chart title
                "Category",            // domain axis label
                "Value",               // range axis label
                dataset,               // data
                PlotOrientation.VERTICAL,
                true,                  // include legend
                true,
                false
            );
        }
        chart.setBackgroundPaint(java.awt.Color.white);

        // ****************************************************************************
        // * JFREECHART DEVELOPER GUIDE                                               *
        // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
        // * to purchase from Object Refinery Limited:                                *
        // *                                                                          *
        // * http://www.object-refinery.com/jfreechart/guide.html                     *
        // *                                                                          *
        // * Sales are used to provide funding for the JFreeChart project - please    * 
        // * support us so that we can continue developing free software.             *
        // ****************************************************************************
        
        // save it to an image
        try {
            final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
            final File file1 = new File("barchart101.png");
            ChartUtilities.saveChartAsPNG(file1, chart, 600400, info);

            // write an HTML page incorporating the image with an image map
            final File file2 = new File("barchart101.html");
            final OutputStream out = new BufferedOutputStream(new FileOutputStream(file2));
            final PrintWriter writer = new PrintWriter(out);
            writer.println("<HTML>");
            writer.println("<HEAD><TITLE>JFreeChart Image Map Demo</TITLE></HEAD>");
            writer.println("<BODY>");
//            ChartUtilities.writeImageMap(writer, "chart", info);
            writer.println("<IMG SRC=\"barchart100.png\" "
                           "WIDTH=\"600\" HEIGHT=\"400\" BORDER=\"0\" USEMAP=\"#chart\">");
            writer.println("</BODY>");
            writer.println("</HTML>");
            writer.close();

        }
        catch (IOException e) {
            System.out.println(e.toString());
        }

    }

}

           
       
jfreechart-1.0.0-rc1.zip( 3,559 k)
Related examples in the same category
1.A demo showing how to create an HTML image map for a bar chart
2.A demo showing how to create an HTML image map for a pie chart
3.A demo showing the construction of HTML image maps for a time series chart
4.Creates an HTML image map for an area chart
5.Creates an HTML image map for a multiple pie chart
6.A demo showing how to create an HTML image map for a scatter plot
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