title: How to draw a spiderchart above a existing JfreeChart
body: <p>I have one a jfree chart which I can generate everytime I run the code.
  Now i want to override few more spider graphs on the same chart. please help me how to do that </p>
  
  <p><a href="https://i.stack.imgur.com/YUeKb.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YUeKb.png" alt="enter image description here"></a></p>
  
  <p>Above this i need to add one more spider chart using jfree.</p>
  
  <p>Here is my code for doing this chart.</p>
  
  <pre><code>package com.rectrix.exide.pdfbox;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.Dimension;
  import java.awt.Font;
  import java.awt.GradientPaint;
  import java.awt.Paint;
  import java.awt.PaintContext;
  import java.awt.Rectangle;
  import java.awt.RenderingHints;
  import java.awt.geom.AffineTransform;
  import java.awt.geom.Rectangle2D;
  import java.awt.image.ColorModel;
  
  import javax.swing.JPanel;
  
  import org.jfree.chart.ChartPanel;
  import org.jfree.chart.ChartUtilities;
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
  import org.jfree.chart.plot.SpiderWebPlot;
  import org.jfree.chart.title.LegendTitle;
  import org.jfree.chart.title.TextTitle;
  import org.jfree.data.category.CategoryDataset;
  import org.jfree.data.category.DefaultCategoryDataset;
  import org.jfree.ui.*;
  
  public class DemoChart extends ApplicationFrame {
  
      public DemoChart(String s)
      {
          super(s);
          JPanel jpanel = createDemoPanel();
          jpanel.setPreferredSize(new Dimension(500, 270));
          setContentPane(jpanel);
      }
  
      private static CategoryDataset createDataset()
      {
  
  
          String s1 = "First";
          String s2 = "Second";
          String s3 = "Third";
          String s4 = "Forth";
          String s5 = "Fivth";
          String s6 = "Sixth";
          String s7 = "Seventh";
          String s8 = "Eighth";
          String s9 = "Ninth";
          String s10 = "Tenth";
  
          DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
          int count = 5;
          int value = 0;
          //String keyRow="s";
          for (int i=1;i&lt;=10;i++){
              value = i*4;
              Comparable colKey = 0;
              String keyRow = "s"+i;
              for(int j=1;j&lt;=count;j++){
              colKey = j;
                  defaultcategorydataset.addValue(value, keyRow, colKey);
              }
          }
  return defaultcategorydataset;
      }
  
      public static JFreeChart createChart1(CategoryDataset categorydataset,double d) {
          SpiderWebPlot plot = new SpiderWebPlot(categorydataset);
          Color bckColor1 = Color.decode("#4282CE"); //Light blue
          Paint p = new GradientPaint(0, 1, bckColor1, 0, 1, bckColor1);
          plot.setSeriesPaint(p);
          JFreeChart chart = new JFreeChart("", plot);
          return chart;
      }
  
  
      public static JPanel createDemoPanel()
      {
          JFreeChart jfreechart = createChart1(createDataset(), 10D);
          return new ChartPanel(jfreechart);
      }
  
      public static void main(String args[])
      {
          DemoChart spiderwebchartdemo1 = new DemoChart("JFreeChart: SpiderWebChartDemo1.java");
          spiderwebchartdemo1.pack();
          RefineryUtilities.centerFrameOnScreen(spiderwebchartdemo1);
          spiderwebchartdemo1.setVisible(true);
      }
  }
  </code></pre>
  
  <p>Please help me as soon as possible i need to send this build by tomorrow
  Thank u in advance for helping and taking efforts to see this.</p>