JFreeChart XY Chart Example

Chapter: JFreeChart Last Updated: 03-08-2016 19:27:19 UTC

Program:

            /* ............... START ............... */
                
import java.awt.Color;
import java.awt.BasicStroke;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;

public class JavaJFreeChartXYChartExample extends ApplicationFrame {

	public JavaJFreeChartXYChartExample(String applicationTitle, String chartTitle) {
		super(applicationTitle);
		JFreeChart xylineChart = ChartFactory.createXYLineChart(chartTitle, "Category", "Score", createDataset(),
				PlotOrientation.VERTICAL, true, true, false);

		ChartPanel chartPanel = new ChartPanel(xylineChart);
		chartPanel.setPreferredSize(new java.awt.Dimension(560, 367));
		final XYPlot plot = xylineChart.getXYPlot();
		XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
		renderer.setSeriesPaint(0, Color.RED);
		renderer.setSeriesPaint(1, Color.GREEN);
		renderer.setSeriesPaint(2, Color.YELLOW);
		renderer.setSeriesStroke(0, new BasicStroke(4.0f));
		renderer.setSeriesStroke(1, new BasicStroke(3.0f));
		renderer.setSeriesStroke(2, new BasicStroke(2.0f));
		plot.setRenderer(renderer);
		setContentPane(chartPanel);
	}

	private XYDataset createDataset() {
		final XYSeries firefox = new XYSeries("Firefox");
		firefox.add(1.0, 1.0);
		firefox.add(2.0, 4.0);
		firefox.add(3.0, 3.0);
		final XYSeries chrome = new XYSeries("Chrome");
		chrome.add(1.0, 4.0);
		chrome.add(2.0, 5.0);
		chrome.add(3.0, 6.0);
		final XYSeries iexplorer = new XYSeries("InternetExplorer");
		iexplorer.add(3.0, 4.0);
		iexplorer.add(4.0, 5.0);
		iexplorer.add(5.0, 4.0);
		final XYSeriesCollection dataset = new XYSeriesCollection();
		dataset.addSeries(firefox);
		dataset.addSeries(chrome);
		dataset.addSeries(iexplorer);
		return dataset;
	}

	public static void main(String[] args) {
		JavaJFreeChartXYChartExample chart = new JavaJFreeChartXYChartExample("Browser Usage Statistics",
				"Which Browser are you using?");
		chart.pack();
		RefineryUtilities.centerFrameOnScreen(chart);
		chart.setVisible(true);
	}
}

                /* ............... END ............... */
        

Output


JFreeChart XY Chart Example

Notes:

  • The xy chart (scatter) is based on one data series consisting of a list of x and y values. Each value pair (x,y) is a point in a coordinate system. Here, one value determines the horizontal (X) position, and the other determines the vertical (Y) position.

Tags

JFreeChart XY Chart, Java

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