jyplot.XYErrorBar.ErrorBarDemo.java Source code

Introduction

Here is the source code for jyplot.XYErrorBar.ErrorBarDemo.java

Source

package jyplot.XYErrorBar;

/**
* 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.
*/
import javax.swing.JFrame;
import javax.swing.JPanel;

import java.awt.Dimension;
import java.awt.Toolkit;

import org.jfree.chart.*;
import org.jfree.chart.axis.*;
import org.jfree.chart.plot.*;
import org.jfree.chart.renderer.xy.*;

import org.jfree.data.*;
import org.jfree.data.time.*;
import org.jfree.data.xy.*;

import org.jfree.ui.*;

/**
 *  Demonstrates how to use XYErrorBarSeriesCollection and XYErrorBarRenderer
 *
 *@author    Joshua Gould
 */
public class ErrorBarDemo {

    public ErrorBarDemo() {
        XYDataset dataset = createDataset();
        JPanel chartPanel = createChartPanel(dataset);
        JFrame frame = new JFrame("Error Bar Demo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(chartPanel);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        frame.pack();
        frame.setLocation((screenSize.width - frame.getWidth()) / 2, (screenSize.height - frame.getHeight()) / 2);
        frame.show();
    }

    public static void main(String[] args) {
        new ErrorBarDemo();
    }

    private ChartPanel createChartPanel(XYDataset dataset) {
        JFreeChart chart = ChartFactory.createScatterPlot("Error Bar Demo",
                // title
                "x",
                // x-axis label
                "y",
                // y-axis label
                dataset,
                // data
                PlotOrientation.VERTICAL,
                // create legend?
                true,
                // generate tooltips?
                true, false
        // generate URLs?
        );
        XYErrorBarRenderer r = new XYErrorBarRenderer();
        chart.getXYPlot().setRenderer(r);
        r.addChangeListener(chart.getXYPlot());// see bug 1177884

        ChartPanel chartPanel = new ChartPanel(chart, false, false, false, false, false);
        chartPanel.setMouseZoomable(true, false);
        return chartPanel;
    }

    private XYDataset createDataset() {
        XYErrorBarSeriesCollection dataset = new XYErrorBarSeriesCollection();
        XYErrorBarSeries series = new XYErrorBarSeries("Series 1");
        for (int i = 0; i < 10; i++) {
            series.add(i, i, i - 2, i + 2);
        }
        dataset.addSeries(series);
        return dataset;
    }

}