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XYArea Chart

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In this section we are providing you an example to create a XYArea Chart.

XYArea Chart

     

In this section we are providing you an example to create a XYArea Chart.

Description of Program
  
For creating a XYArea Chart we have to define a set of x,y coordinates by using an object of XYSeries class. Then we add the data in this object that will show in our XYArea chart. After adding the data we make the object of XYDataset of XYSeriesCollection type and add XYSeries object in the dataset. 

Description of Code
  
  XYSeries series = new XYSeries("Average Weight");
For defining a set of x,y coordinates we use an object of XYSeries class.
  
Then we add the data in the XYSeries object by invoking add().
  series.add(20.0, 50.0);

    XYDataset xyDataset = new XYSeriesCollection(series);
Now we have to create the object of XYDataset type of XYSeriesCollection and add the XYSeries object in the dataset.

    JFreeChart chart = ChartFactory.createXYAreaChart("XY Chart using JFreeChart", "Age", "Weight", xyDataset, PlotOrientation.VERTICAL, true, true, false);
After creating the dataset we create the XYArea Chart by invoking the createXYAreaChart() method. This is a static method of ChartFactory class and its returns the object of JFreeChart type.This method syntax is:
  Public static JFreeChart createXYAreaChart(java.lang.String title, java.lang.String xAxisLabel, java.lang.String yAxisLabel, XYDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls)

    ChartFrame frame1=new ChartFrame("XYArea Chart",chart);
After this we create the object of ChartFrame. It used to display a chart.

Here is code of the program :

import org.jfree.chart.*;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.xy.*;
import org.jfree.data.*;

public class xyArea{
public static void main(String arg[]){
  XYSeries series = new XYSeries("Average Weight");
  series.add(20.020.0);
  series.add(40.025.0);
  series.add(55.050.0);
  series.add(70.065.0);
  XYDataset xyDataset = new XYSeriesCollection(series);
  JFreeChart chart = ChartFactory.createXYAreaChart
  ("XY Chart using JFreeChart""Age""Weight",
   xyDataset, PlotOrientation.VERTICAL, true, 
  true, 
false);
  ChartFrame frame1=new ChartFrame("XYArea Chart",chart);
  frame1.setVisible(true);
  frame1.setSize(300,300);
  }
}

Output of the Program :

Download this Example

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Posted on: April 13, 2007

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Comments:1
sis
August 16, 2011
Spline Area chart ?

Hi, I m having a problem to spline an XYAreaChart, since both XYSplineRenderer does not have the setSeriesFillPaint Method working, Do you have an idea ?
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