?? scatterplotdemo4.java
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/* ---------------------
* ScatterPlotDemo4.java
* ---------------------
* (C) Copyright 2004-2006, by Object Refinery Limited.
*
*/
package demo;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
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.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A scatter plot demo.
*/
public class ScatterPlotDemo4 extends ApplicationFrame {
/**
* A demonstration application showing a scatter plot.
*
* @param title the frame title.
*/
public ScatterPlotDemo4(String title) {
super(title);
XYDataset data = new SampleXYDataset2();
JFreeChart chart = ChartFactory.createScatterPlot(
"Scatter Plot Demo",
"X",
"Y",
data,
PlotOrientation.VERTICAL,
true,
true,
false
);
XYPlot plot = (XYPlot) chart.getPlot();
XYDotRenderer renderer = new XYDotRenderer();
renderer.setDotWidth(4);
renderer.setDotHeight(4);
plot.setRenderer(renderer);
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
domainAxis.setAutoRangeIncludesZero(false);
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
ScatterPlotDemo4 demo = new ScatterPlotDemo4("Scatter Plot Demo 4");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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