?? xystepchartdemo.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.
*
* --------------------
* XYStepChartDemo.java
* --------------------
* (C) Copyright 2002, 2003, by Roger Studner and Contributors.
*
* Original Author: Roger Studner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: XYStepChartDemo.java,v 1.4 2003/06/30 12:14:34 mungady Exp $
*
* Changes
* -------
* 13-May-2002 : Version 1, contributed by Roger Studner (DG);
* 11-Oct-2002 : Moved create method to ChartFactory class, and fixed issues reported by
* Checkstyle (DG);
*
*/
package org.jfree.chart.demo;
import java.awt.BasicStroke;
import java.awt.Color;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.XYDataset;
import org.jfree.ui.RefineryUtilities;
/**
* A demonstration of the XYStepRenderer class.
*
* @author Roger Studner
*/
public class XYStepChartDemo {
/** A frame for displaying the chart. */
private ChartFrame frame = null;
/**
* Displays a sample chart in its own frame.
*/
private void displayChart() {
if (frame == null) {
// create a default chart based on some sample data...
String title = "LCACs in use at given time";
String xAxisLabel = "Time";
String yAxisLabel = "Number of Transports";
XYDataset data = DemoDatasetFactory.createStepXYDataset();
JFreeChart chart = ChartFactory.createXYStepChart(
title,
xAxisLabel, yAxisLabel,
data,
PlotOrientation.VERTICAL,
true, // legend
true, // tooltips
false // urls
);
// then customise it a little...
chart.setBackgroundPaint(new Color(216, 216, 216));
XYPlot plot = chart.getXYPlot();
plot.getRenderer().setSeriesStroke(0, new BasicStroke(2.0f));
plot.getRenderer().setSeriesStroke(1, new BasicStroke(2.0f));
// and present it in a frame...
frame = new ChartFrame("Plan Comparison", chart);
frame.pack();
RefineryUtilities.positionFrameRandomly(frame);
frame.show();
}
else {
frame.show();
frame.requestFocus();
}
}
/**
* The starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
XYStepChartDemo demo = new XYStepChartDemo();
demo.displayChart();
}
}
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