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Create multiple pie chart in single frame using JFreeChart
Posted on: September 2, 2008 By Deepak Kumar

This Example shows you how to create a multiple pie charts in a single frame in jsp page using JFreeChart.

Create multiple pie chart in single frame using JFreeChart

This Example shows you how to create a multiple pie charts in a single frame in jsp page using JFreeChart. Code given below creates a simple pie charts for given values. In the code given below we have extended class ApplicationFrame to create a frame and also pass a string value to the constructor of ApplicationFrame class by using super keyword that will be name of the created frame.

Methods used in this example are described below:

pack(): This method invokes the layout manager.

centerFrameOnScreen(): This method is used for the position of the frame in the middle of the screen.

setVisible(): This method is used for display frame on the screen.

createCategoryDataset(): This method is used to create the instance of CategoryDataset Interface and that contains a copy of the data in an array.

createMultiplePieChart(): This method is used to create bar chart for given values. It takes title, category axis label, dataset, legend, tool tips and urls as parameters.

saveChartAsPNG(): This method is used to save chart in to png format.

jspmultilepiechart.jsp


<%@page contentType="text/html" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">





<%@ page  import="java.awt.*" %>

<%@ page  import="java.io.*" %>

<%@ page  import="org.jfree.chart.*" %>

<%@ page  import="org.jfree.chart.entity.*" %>

<%@ page  import="org.jfree.chart.plot.*"%>

<%@ page  import ="org.jfree.data.category.*"%>

<%@ page  import ="org.jfree.data.general.*"%>

<%@ page  import ="org.jfree.util.*"%>



<%

  final double[][] data = new double[][]{

  {3.0, 4.0, 3.0, 5.0},

  {5.0, 7.0, 6.0, 8.0},

  {5.0, 7.0, 3.0, 8.0},

  {1.0, 2.0, 3.0, 4.0},

  {2.0, 3.0, 2.0, 3.0}

  };



  final CategoryDataset dataset = 

  DatasetUtilities.createCategoryDataset(

  "Region ", "Sales/Q", data);





 final JFreeChart chart = 

   ChartFactory.createMultiplePieChart(

 "Multiple Pie Chart", dataset, TableOrder.BY_ROW, 

 true, true, false);

chart.setBackgroundPaint(new Color(249, 231, 236)); try { final ChartRenderingInfo info = new ChartRenderingInfo (new StandardEntityCollection());

final File file1 = new File("../webapps/jspchart/ web/multipiechart.png");

ChartUtilities.saveChartAsPNG( file1, chart, 800, 600, info); } catch (Exception e) { out.println(e); } %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JSP Page</title> </head> <body> <IMG SRC="multipiechart.png" WIDTH="600" HEIGHT="400" BORDER="0" USEMAP="#chart"> </body> </html>

Output:

Download code

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Comments

sales
April 19, 2012
nice tut (not tit)

I dont understand why not anyone comment on such awesome tutorials....i love your tuts mate

Arun
September 4, 2012
getting no file found exception

I used the above code but I am getting the following exception : java.io.FileNotFoundException: webapps\jspchart\web\multipiechart.png (The system cannot find the path specified) My folder structure is WebContent-WEB-INF-webapps-jspchart-web

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