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2010-06-01T06:52:16Z

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в 18:01, 31 мая 2010

2010-05-31T18:01:45Z

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== JFreeChart: Stacked Bar Chart 3D 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.]
*
* --------------------------
* StackedBarChart3DDemo.java
* --------------------------
* (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: StackedBarChart3DDemo.java,v 1.16 2004/05/10 16:45:23 mungady Exp $
*
* Changes
* -------
* 05-Nov-2002 : Version 1 (DG);
* 26-Mar-2004 : Added item labels (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.LegendRenderingOrder;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.TextAnchor;
/**
* A simple demonstration application showing how to create a stacked 3D bar chart
* using data from a {@link CategoryDataset}.
*
*/
public class StackedBarChart3DDemo extends ApplicationFrame {
/**
* Creates a new demo.
*
* @param title the frame title.
*/
public StackedBarChart3DDemo(final String title) {
super(title);
final CategoryDataset dataset = DemoDatasetFactory.createCategoryDataset();
final JFreeChart chart = createChart(dataset);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
/**
* Creates a chart.
*
* @param dataset the dataset.
*
* @return The chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {
final JFreeChart chart = ChartFactory.createStackedBarChart3D(
"Stacked Bar Chart 3D Demo", // chart title
"Category", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.HORIZONTAL, // the plot orientation
true, // include legend
true, // tooltips
false // urls
);
// final StandardLegend legend = (StandardLegend) chart.getLegend();
// legend.setRenderingOrder(LegendRenderingOrder.REVERSE);
final CategoryPlot plot = (CategoryPlot) chart.getPlot();
final CategoryItemRenderer renderer = plot.getRenderer();
// renderer.setLabelGenerator(new StandardCategoryLabelGenerator());
renderer.setItemLabelsVisible(true);
renderer.setPositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)
);
renderer.setNegativeItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)
);
return chart;

}

// ****************************************************************************
// * 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 StackedBarChart3DDemo demo = new StackedBarChart3DDemo("Stacked Bar Chart 3D Demo");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010