?? scatterplotdemo1.java
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/* --------------------
* ScatterPlotDemo.java
* --------------------
* (C) Copyright 2002-2006, by Object Refinery Limited.
*
*/
package demo;
import java.awt.Color;
import javax.swing.JPanel;
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.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A demo scatter plot.
*/
public class ScatterPlotDemo1 extends ApplicationFrame {
/**
* A demonstration application showing a scatter plot.
*
* @param title the frame title.
*/
public ScatterPlotDemo1(String title) {
super(title);
JPanel chartPanel = createDemoPanel();
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
private static JFreeChart createChart(XYDataset dataset) {
JFreeChart chart = ChartFactory.createScatterPlot("Scatter Plot Demo 1",
"X", "Y", dataset, PlotOrientation.VERTICAL, true, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setNoDataMessage("NO DATA");
XYLineAndShapeRenderer renderer
= (XYLineAndShapeRenderer) plot.getRenderer();
renderer.setSeriesOutlinePaint(0, Color.black);
renderer.setUseOutlinePaint(true);
NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
domainAxis.setAutoRangeIncludesZero(false);
domainAxis.setTickMarkInsideLength(2.0f);
domainAxis.setTickMarkOutsideLength(0.0f);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setTickMarkInsideLength(2.0f);
rangeAxis.setTickMarkOutsideLength(0.0f);
return chart;
}
/**
* Creates a panel for the demo (used by SuperDemo.java).
*
* @return A panel.
*/
public static JPanel createDemoPanel() {
JFreeChart chart = createChart(new SampleXYDataset2());
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setVerticalAxisTrace(true);
chartPanel.setHorizontalAxisTrace(true);
// popup menu conflicts with axis trace
chartPanel.setPopupMenu(null);
chartPanel.setDomainZoomable(true);
chartPanel.setRangeZoomable(true);
return chartPanel;
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
ScatterPlotDemo1 demo = new ScatterPlotDemo1("Scatter Plot Demo 1");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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