scatterplotdemo4.java

jfreechart1.0.6源程序,没有注释,不过都能运行起来

package demo;

import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYDotRenderer;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

// Referenced classes of package demo:
//            SampleXYDataset2

public class ScatterPlotDemo4 extends ApplicationFrame
{

    public ScatterPlotDemo4(String s)
    {
        super(s);
        JPanel jpanel = createDemoPanel();
        jpanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(jpanel);
    }

    public static JPanel createDemoPanel()
    {
        SampleXYDataset2 samplexydataset2 = new SampleXYDataset2();
        JFreeChart jfreechart = ChartFactory.createScatterPlot("Scatter Plot Demo", "X", "Y", samplexydataset2, PlotOrientation.VERTICAL, true, true, false);
        XYPlot xyplot = (XYPlot)jfreechart.getPlot();
        XYDotRenderer xydotrenderer = new XYDotRenderer();
        xydotrenderer.setDotWidth(4);
        xydotrenderer.setDotHeight(4);
        xyplot.setRenderer(xydotrenderer);
        xyplot.setDomainCrosshairVisible(true);
        xyplot.setRangeCrosshairVisible(true);
        NumberAxis numberaxis = (NumberAxis)xyplot.getDomainAxis();
        numberaxis.setAutoRangeIncludesZero(false);
        return new ChartPanel(jfreechart);
    }

    public static void main(String args[])
    {
        ScatterPlotDemo4 scatterplotdemo4 = new ScatterPlotDemo4("Scatter Plot Demo 4");
        scatterplotdemo4.pack();
        RefineryUtilities.centerFrameOnScreen(scatterplotdemo4);
        scatterplotdemo4.setVisible(true);
    }
}