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2010-06-01T06:52:11Z

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в 18:01, 31 мая 2010

2010-05-31T18:01:45Z

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== JFreeChart: Vertical Bar 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.]
*
* --------------------
* BarChart3DDemo1.java
* --------------------
* (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: BarChart3DDemo1.java,v 1.17 2004/04/26 19:11:53 taqua Exp $
*
* Changes
* -------
* 29-May-2002 : Version 1 (DG);
* 11-Oct-2002 : Renamed VerticalBar3DDemo --> VerticalBarChart3DDemo (DG);
* 13-May-2003 : Renamed VerticalBarChart3DDemo --> BarChart3DDemo1 (DG);
* 24-Nov-2003 : Copied dataset creation code into this demo (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.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer3D;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A simple demonstration application showing how to create a vertical 3D bar chart using data
* from a {@link CategoryDataset}.
*
*/
public class BarChart3DDemo1 extends ApplicationFrame {
/**
* Creates a new demo.
*
* @param title the frame title.
*/
public BarChart3DDemo1(final String title) {
super(title);

final CategoryDataset dataset = createDataset();
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.
*
* @return a sample dataset.
*/
private CategoryDataset createDataset() {
final double[][] data = new double[][]
{{10.0, 4.0, 15.0, 14.0},
{-5.0, -7.0, 14.0, -3.0},
{6.0, 17.0, -12.0, 7.0},
{7.0, 15.0, 11.0, 0.0},
{-8.0, -6.0, 10.0, -9.0},
{9.0, 8.0, 0.0, 6.0},
{-10.0, 9.0, 7.0, 7.0},
{11.0, 13.0, 9.0, 9.0},
{-3.0, 7.0, 11.0, -10.0}};

return DatasetUtilities.createCategoryDataset("Series ", "Category ", data);
}

/**
* Creates a chart.
*
* @param dataset the dataset.
*
* @return The chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {

final JFreeChart chart = ChartFactory.createBarChart3D(
"3D Bar Chart Demo", // chart title
"Category", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.VERTICAL, // orientation
true, // include legend
true, // tooltips
false // urls
);
final CategoryPlot plot = chart.getCategoryPlot();
final CategoryAxis axis = plot.getDomainAxis();
axis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 8.0)
);
final BarRenderer3D renderer = (BarRenderer3D) plot.getRenderer();
renderer.setDrawBarOutline(false);

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 BarChart3DDemo1 demo = new BarChart3DDemo1("3D Bar Chart Demo 1");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}

</source>



== Vertical bars with a 3D effect: representing data from a Category Data set ==

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Java/Chart/Bar Chart 3D Vertical - История изменений

Admin: 1 версия

в 18:01, 31 мая 2010