Codigo Fuente:
package ejemplos;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class StackedAreaChartDemo1 extends ApplicationFrame
{
public StackedAreaChartDemo1(String paramString)
{
super(paramString);
JPanel localJPanel = createDemoPanel();
localJPanel.setPreferredSize(new Dimension(500, 270));
setContentPane(localJPanel);
}
public static CategoryDataset createDataset()
{
DefaultCategoryDataset localDefaultCategoryDataset = new DefaultCategoryDataset();
localDefaultCategoryDataset.addValue(1.0D, "S1", "C1");
localDefaultCategoryDataset.addValue(2.0D, "S1", "C2");
localDefaultCategoryDataset.addValue(3.0D, "S1", "C3");
localDefaultCategoryDataset.addValue(4.0D, "S1", "C4");
localDefaultCategoryDataset.addValue(5.0D, "S1", "C5");
localDefaultCategoryDataset.addValue(6.0D, "S1", "C6");
localDefaultCategoryDataset.addValue(7.0D, "S1", "C7");
localDefaultCategoryDataset.addValue(8.0D, "S1", "C8");
localDefaultCategoryDataset.addValue(6.0D, "S2", "C1");
localDefaultCategoryDataset.addValue(3.0D, "S2", "C2");
localDefaultCategoryDataset.addValue(4.0D, "S2", "C3");
localDefaultCategoryDataset.addValue(3.0D, "S2", "C4");
localDefaultCategoryDataset.addValue(9.0D, "S2", "C5");
localDefaultCategoryDataset.addValue(7.0D, "S2", "C6");
localDefaultCategoryDataset.addValue(2.0D, "S2", "C7");
localDefaultCategoryDataset.addValue(3.0D, "S2", "C8");
localDefaultCategoryDataset.addValue(1.0D, "S3", "C1");
localDefaultCategoryDataset.addValue(7.0D, "S3", "C2");
localDefaultCategoryDataset.addValue(6.0D, "S3", "C3");
localDefaultCategoryDataset.addValue(7.0D, "S3", "C4");
localDefaultCategoryDataset.addValue(4.0D, "S3", "C5");
localDefaultCategoryDataset.addValue(5.0D, "S3", "C6");
localDefaultCategoryDataset.addValue(3.0D, "S3", "C7");
localDefaultCategoryDataset.addValue(1.0D, "S3", "C8");
return localDefaultCategoryDataset;
}
public static JFreeChart createChart(CategoryDataset paramCategoryDataset)
{
JFreeChart localJFreeChart = ChartFactory.createStackedAreaChart("Stacked Area Chart by (Jou'Soft)", "Category", "Value", paramCategoryDataset, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot localCategoryPlot = (CategoryPlot)localJFreeChart.getPlot();
localCategoryPlot.setForegroundAlpha(0.85F);
CategoryAxis localCategoryAxis = localCategoryPlot.getDomainAxis();
localCategoryAxis.setLowerMargin(0.0D);
localCategoryAxis.setUpperMargin(0.0D);
localCategoryAxis.setCategoryMargin(0.0D);
NumberAxis localNumberAxis = (NumberAxis)localCategoryPlot.getRangeAxis();
localNumberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
CategoryItemRenderer localCategoryItemRenderer = localCategoryPlot.getRenderer();
localCategoryItemRenderer.setBaseItemLabelsVisible(true);
return localJFreeChart;
}
public static JPanel createDemoPanel()
{
JFreeChart localJFreeChart = createChart(createDataset());
return new ChartPanel(localJFreeChart);
}
public static void main(String[] paramArrayOfString)
{
StackedAreaChartDemo1 localStackedAreaChartDemo1 = new StackedAreaChartDemo1("JFreeChart: StackedAreaChartDemo1.java (by Jou'Soft)");
localStackedAreaChartDemo1.pack();
RefineryUtilities.centerFrameOnScreen(localStackedAreaChartDemo1);
localStackedAreaChartDemo1.setVisible(true);
}
}
El resultado seria el siguiente:
