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Dedeepya
Multi line graph
2 Answer(s)      4 years and 8 months ago
Posted in : Java Beginners


Hi,

I want a multi line graph on a single chart using jfree in java....
Can you please let me know the code...

thanks in advance

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View Answers

March 10, 2010 at 10:34 AM


Hi Friend,
Loginto the below mentioned URl & download the file available on that site. And then keep that file into your webapps folder and then run it. There are lot of sample charts are available on that. Hope that may help you...
http://sourceforge.net/projects/cewolf/files/cewolf/cewolf-1.0/cewolf-1.0-bin-src.zip/download

Regards...,Britto.M
Cell:9611822112


March 10, 2010 at 11:46 AM


Hi Friend,

Try the following code:

import java.awt.*;
import org.jfree.ui.*;
import org.jfree.chart.*;
import org.jfree.chart.plot.*;
import org.jfree.data.xy.*;
import org.jfree.chart.axis.NumberAxis;

public class MultiLineChart extends ApplicationFrame {
public MultiLineChart(final String title) {
super(title);
final XYDataset dataset = createDataset();
final JFreeChart chart = createChart(dataset);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
private XYDataset createDataset() {
final XYSeries series1 = new XYSeries("I test");
series1.add(1.0, 60.0);
series1.add(2.0, 80.0);
series1.add(3.0, 90.0);
series1.add(4.0, 100.0);
series1.add(5.0, 95.0);
series1.add(6.0, 85.0);
series1.add(7.0, 70.0);
series1.add(8.0, 65.0);
series1.add(9.0, 45.0);
series1.add(10.0, 50.0);

final XYSeries series2 = new XYSeries("II test");
series2.add(1.0, 30.0);
series2.add(2.0, 55.0);
series2.add(3.0, 70.0);
series2.add(4.0, 85.0);
series2.add(5.0, 90.0);
series2.add(6.0, 100.0);
series2.add(7.0, 70.0);
series2.add(8.0, 80.0);
series2.add(9.0, 50.0);
series2.add(10.0, 40.0);

final XYSeries series3 = new XYSeries("III test");
series3.add(1.0, 40.0);
series3.add(2.0, 40.0);
series3.add(3.0, 40.0);
series3.add(4.0, 35.0);
series3.add(5.0, 80.0);
series3.add(6.0, 90.0);
series3.add(7.0, 95.0);
series3.add(8.0, 75.0);
series3.add(9.0, 40.0);
series3.add(10.0, 60.0);

final XYSeriesCollection dataset = new XYSeriesCollection();
dataset.addSeries(series1);
dataset.addSeries(series2);
dataset.addSeries(series3);

return dataset;
}
private JFreeChart createChart(final XYDataset dataset) {
final JFreeChart chart = ChartFactory.createXYLineChart(
"Marks obtained by students in three tests",
"Roll No of the students",
"Marks",
dataset,
PlotOrientation.VERTICAL,
true,
true,
false
);
chart.setBackgroundPaint(Color.white);
final XYPlot plot1 = chart.getXYPlot();
plot1.setBackgroundPaint(Color.lightGray);
plot1.setDomainGridlinePaint(Color.white);
plot1.setRangeGridlinePaint(Color.white);

final XYPlot plot2 = chart.getXYPlot();
plot2.setBackgroundPaint(Color.lightGray);
plot2.setDomainGridlinePaint(Color.white);
plot2.setRangeGridlinePaint(Color.white);

final XYPlot plot3 = chart.getXYPlot();
plot3.setBackgroundPaint(Color.lightGray);
plot3.setDomainGridlinePaint(Color.white);
plot3.setRangeGridlinePaint(Color.white);

return chart;
}
public static void main(final String[] args) {
final MultiLineChart demo = new MultiLineChart("Multi Line Chart");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}

Thanks


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