vectorplotdemo1.java

jfreechart1.0.6源程序,没有注释,不过都能运行起来

package demo.experimental;

import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.VectorRenderer;
import org.jfree.data.xy.*;
import org.jfree.ui.*;

public class VectorPlotDemo1 extends ApplicationFrame
{

    public VectorPlotDemo1(String s)
    {
        super(s);
        JPanel jpanel = createDemoPanel();
        jpanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(jpanel);
    }

    private static JFreeChart createChart(VectorXYDataset vectorxydataset)
    {
        NumberAxis numberaxis = new NumberAxis("X");
        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        numberaxis.setLowerMargin(0.01D);
        numberaxis.setUpperMargin(0.01D);
        numberaxis.setAutoRangeIncludesZero(false);
        NumberAxis numberaxis1 = new NumberAxis("Y");
        numberaxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        numberaxis1.setLowerMargin(0.01D);
        numberaxis1.setUpperMargin(0.01D);
        numberaxis1.setAutoRangeIncludesZero(false);
        VectorRenderer vectorrenderer = new VectorRenderer();
        vectorrenderer.setSeriesPaint(0, Color.blue);
        XYPlot xyplot = new XYPlot(vectorxydataset, numberaxis, numberaxis1, vectorrenderer);
        xyplot.setBackgroundPaint(Color.lightGray);
        xyplot.setDomainGridlinePaint(Color.white);
        xyplot.setRangeGridlinePaint(Color.white);
        xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D));
        xyplot.setOutlinePaint(Color.black);
        JFreeChart jfreechart = new JFreeChart("Vector Plot Demo 1", xyplot);
        jfreechart.setBackgroundPaint(Color.white);
        return jfreechart;
    }

    private static VectorXYDataset createDataset()
    {
        VectorSeries vectorseries = new VectorSeries("Series 1");
        for(double d = 0.0D; d < 20D; d++)
        {
            for(double d1 = 0.0D; d1 < 20D; d1++)
                vectorseries.add(d + 10D, d1 + 10D, Math.sin(d / 5D) / 2D, Math.cos(d1 / 5D) / 2D);

        }

        VectorSeriesCollection vectorseriescollection = new VectorSeriesCollection();
        vectorseriescollection.addSeries(vectorseries);
        return vectorseriescollection;
    }

    public static JPanel createDemoPanel()
    {
        return new ChartPanel(createChart(createDataset()));
    }

    public static void main(String args[])
    {
        VectorPlotDemo1 vectorplotdemo1 = new VectorPlotDemo1("JFreeChart : Vector Plot Demo 1");
        vectorplotdemo1.pack();
        RefineryUtilities.centerFrameOnScreen(vectorplotdemo1);
        vectorplotdemo1.setVisible(true);
    }
}