?? timeseriesdemo10.java
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/* ---------------------
* TimeSeriesDemo10.java
* ---------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited.
*
*/
package demo;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.time.Hour;
import org.jfree.data.time.Minute;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A demo showing a time series with per minute data.
*/
public class TimeSeriesDemo10 extends ApplicationFrame {
/**
* A demonstration application.
*
* @param title the frame title.
*/
public TimeSeriesDemo10(String title) {
super(title);
XYDataset dataset = createDataset();
JFreeChart chart = createChart(dataset);
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
private static JFreeChart createChart(XYDataset dataset) {
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Demo 10",
"Time",
"Value",
dataset,
true,
true,
false
);
return chart;
}
private static XYDataset createDataset() {
TimeSeries series = new TimeSeries("Per Minute Data", Minute.class);
Hour hour = new Hour();
series.add(new Minute(1, hour), 10.2);
series.add(new Minute(3, hour), 17.3);
series.add(new Minute(9, hour), 14.6);
series.add(new Minute(11, hour), 11.9);
series.add(new Minute(15, hour), 13.5);
series.add(new Minute(19, hour), 10.9);
TimeSeriesCollection dataset = new TimeSeriesCollection(series);
return dataset;
}
/**
* Creates a panel for the demo (used by SuperDemo.java).
*
* @return A panel.
*/
public static JPanel createDemoPanel() {
JFreeChart chart = createChart(createDataset());
return new ChartPanel(chart);
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
TimeSeriesDemo10 demo = new TimeSeriesDemo10("Time Series Demo 10");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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