Which bug?MartinL wrote:I want to report this bug. It occures about 5-10 Times every hour when updating my DataSet every Minute.
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import javax.swing.JFrame;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.time.Day;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
/**
* Demonstrate the problem showing up trying to use autorange.
*/
public class DemoAutoRangeProblem extends JPanel {
private final JFreeChart mChart;
public DemoAutoRangeProblem() {
mChart = buildChart();
add(new ChartPanel(mChart));
addData();
}
/** Build a chart with for values in a timeseries */
private JFreeChart buildChart() {
DateAxis xaxis = new DateAxis("Date");
NumberAxis yaxis = new NumberAxis("Count");
yaxis.setAutoRange(true);
XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, true);
TimeSeriesCollection dataset = new TimeSeriesCollection();
XYPlot plot = new XYPlot(dataset, xaxis, yaxis, renderer);
JFreeChart chart = new JFreeChart("Demo Autorange Problem", plot);
return chart;
}
/** Create some initial data */
private void addData() {
TimeSeries series = new TimeSeries("Count");
series.add(new Day(20, 8, 2012), 5);
series.add(new Day(21, 8, 2012), 2);
series.add(new Day(22, 8, 2012), 10);
((TimeSeriesCollection) mChart.getXYPlot().getDataset()).addSeries(series);
}
/** Add more data points, going above the existing range */
public void addMoreData() {
TimeSeriesCollection dataset0 = (TimeSeriesCollection) mChart.getXYPlot().getDataset(0);
TimeSeries series = dataset0.getSeries(0);
//
// if add a point within the current range,
// and then adding a value at same day but above the range,
// the 'auto-range' does not see the higher value.
//
series.addOrUpdate(new Day(23, 8, 2012), 8);
series.addOrUpdate(new Day(23, 8, 2012), 19);
}
/** Show the demo chart */
public static void main(String[] args) {
DemoAutoRangeProblem gui = new DemoAutoRangeProblem();
JFrame f = new JFrame("Demo of autorange problem");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setContentPane(gui);
f.pack();
f.setVisible(true);
// waiting until chart is displayed, then adding more data points
try {Thread.sleep(3000);} catch (InterruptedException e) {;}
gui.addMoreData();
}
}
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import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.util.Random;
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.time.Day;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
/**
* Demonstrate a problem using auto-range.
*/
public class DemoAutoRangeProblem extends JPanel {
private static final Random r = new Random();
private TimeSeriesCollection dataset = new TimeSeriesCollection();
private DateAxis xaxis = new DateAxis("Date");
private NumberAxis yaxis = new NumberAxis("Count");
public DemoAutoRangeProblem() {
addData();
yaxis.setAutoRange(true);
XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, true);
XYPlot plot = new XYPlot(dataset, xaxis, yaxis, renderer);
JFreeChart chart = new JFreeChart("Demo Autorange Problem", plot);
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setMouseWheelEnabled(true);
add(chartPanel);
}
/**
* Create a 3 day chart
*/
private void addData() {
TimeSeries series = new TimeSeries("Count");
series.add(new Day(1, 8, 2012), -1);
series.add(new Day(2, 8, 2012), 1);
series.add(new Day(3, 8, 2012), 0);
dataset.addSeries(series);
}
/**
* Replace day 3 with a random value
*/
public void replaceDay3() {
TimeSeries series = dataset.getSeries(0);
series.addOrUpdate(new Day(3, 8, 2012), r.nextGaussian());
System.out.println(yaxis.getRange());
}
/**
* Show the demo chart
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
final DemoAutoRangeProblem gui = new DemoAutoRangeProblem();
JFrame f = new JFrame("Demo of autorange problem");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
gui.add(new JButton(new AbstractAction("Add") {
@Override
public void actionPerformed(ActionEvent e) {
gui.replaceDay3();
}
}));
f.add(gui);
f.pack();
f.setVisible(true);
}
});
}
}
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else if (item.getValue() != null) {
double yy = item.getValue().doubleValue();
this.minY = minIgnoreNaN(this.minY, yy);
this.maxY = minIgnoreNaN(this.maxY, yy);
}
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else if (item.getValue() != null) {
double yy = item.getValue().doubleValue();
this.minY = minIgnoreNaN(this.minY, yy);
this.maxY = maxIgnoreNaN(this.maxY, yy);
}