gridbanddemo1.java

jfreechart 1.0.6 demo 源代码

package demo;

import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.*;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class GridBandDemo1 extends ApplicationFrame
{

    public GridBandDemo1(String s)
    {
        super(s);
        JPanel jpanel = createDemoPanel();
        jpanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(jpanel);
    }

    private static JFreeChart createChart(XYDataset xydataset)
    {
        JFreeChart jfreechart = ChartFactory.createScatterPlot("Grid Band Demo 1", "X", "Y", xydataset, PlotOrientation.VERTICAL, true, false, false);
        XYPlot xyplot = (XYPlot)jfreechart.getPlot();
        xyplot.setNoDataMessage("NO DATA");
        xyplot.setRangeZeroBaselineVisible(true);
        xyplot.setDomainTickBandPaint(new Color(0, 100, 0, 50));
        xyplot.setRangeTickBandPaint(new Color(0, 100, 0, 50));
        return jfreechart;
    }

    public static JPanel createDemoPanel()
    {
        XYSeries xyseries = new XYSeries("Random Data");
        for(int i = 0; i < 100; i++)
            xyseries.add(Math.random() + 1.0D, Math.random() + 1.0D);

        XYSeriesCollection xyseriescollection = new XYSeriesCollection();
        xyseriescollection.addSeries(xyseries);
        JFreeChart jfreechart = createChart(xyseriescollection);
        ChartPanel chartpanel = new ChartPanel(jfreechart);
        return chartpanel;
    }

    public static void main(String args[])
    {
        GridBandDemo1 gridbanddemo1 = new GridBandDemo1("JFreeChart : Grid Band Demo 1");
        gridbanddemo1.pack();
        RefineryUtilities.centerFrameOnScreen(gridbanddemo1);
        gridbanddemo1.setVisible(true);
    }
}