ChartDirector 6.1 (Java Edition)

Funnel Chart




This example demonstrates using PyramidChart.setFunnelSize to specify using a funnel instead of a pyramid to represent the data.

Source Code Listing

[JSP Version] jspdemo/funnel.jsp
<%@page import="ChartDirector.*" %>
<%
// The data for the pyramid chart
double[] data = {156, 123, 211, 179};

// The labels for the pyramid chart
String[] labels = {"Corporate Tax", "Working Capital", "Re-investment", "Dividend"};

// The colors for the pyramid layers
int[] colors = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};

// Create a PyramidChart object of size 500 x 400 pixels
PyramidChart c = new PyramidChart(500, 400);

// Set the funnel center at (200, 210), and width x height to 150 x 300 pixels
c.setFunnelSize(200, 210, 150, 300);

// Set the elevation to 5 degrees
c.setViewAngle(5);

// Set the pyramid data and labels
c.setData(data, labels);

// Set the layer colors to the given colors
c.setColors2(Chart.DataColor, colors);

// Leave 1% gaps between layers
c.setLayerGap(0.01);

// Add labels at the right side of the pyramid layers using Arial Bold font. The labels will have 3
// lines showing the layer name, value and percentage.
c.setRightLabel("{label}\nUS ${value}K\n({percent}%)", "Arial Bold");

// Output the chart
String chart1URL = c.makeSession(request, "chart1");

// Include tool tip for the chart
String imageMap1 = c.getHTMLImageMap("", "", "title='{label}: US$ {value}M ({percent}%)'");
%>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
    Funnel Chart
</div>
<hr color="#000080">
<div style="font-size:10pt; font-family:verdana; margin-bottom:1.5em">
    <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
</div>
<img src='<%=response.encodeURL("getchart.jsp?"+chart1URL)%>'
    usemap="#map1" border="0">
<map name="map1"><%=imageMap1%></map>
</body>
</html>

[Java Version] javademo/funnel.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;

public class funnel implements DemoModule
{
    //Name of demo program
    public String toString() { return "Funnel Chart"; }

    //Number of charts produced in this demo
    public int getNoOfCharts() { return 1; }

    //Main code for creating charts
    public void createChart(ChartViewer viewer, int chartIndex)
    {
        // The data for the pyramid chart
        double[] data = {156, 123, 211, 179};

        // The labels for the pyramid chart
        String[] labels = {"Corporate Tax", "Working Capital", "Re-investment", "Dividend"};

        // The colors for the pyramid layers
        int[] colors = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};

        // Create a PyramidChart object of size 500 x 400 pixels
        PyramidChart c = new PyramidChart(500, 400);

        // Set the funnel center at (200, 210), and width x height to 150 x 300 pixels
        c.setFunnelSize(200, 210, 150, 300);

        // Set the elevation to 5 degrees
        c.setViewAngle(5);

        // Set the pyramid data and labels
        c.setData(data, labels);

        // Set the layer colors to the given colors
        c.setColors2(Chart.DataColor, colors);

        // Leave 1% gaps between layers
        c.setLayerGap(0.01);

        // Add labels at the right side of the pyramid layers using Arial Bold font. The labels will
        // have 3 lines showing the layer name, value and percentage.
        c.setRightLabel("{label}\nUS ${value}K\n({percent}%)", "Arial Bold");

        // Output the chart
        viewer.setChart(c);

        //include tool tip for the chart
        viewer.setImageMap(c.getHTMLImageMap("clickable", "",
            "title='{label}: US$ {value}M ({percent}%)'"));
    }

    //Allow this module to run as standalone program for easy testing
    public static void main(String[] args)
    {
        //Instantiate an instance of this demo module
        DemoModule demo = new funnel();

        //Create and set up the main window
        JFrame frame = new JFrame(demo.toString());
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {System.exit(0);} });
        frame.getContentPane().setBackground(Color.white);

        // Create the chart and put them in the content pane
        ChartViewer viewer = new ChartViewer();
        demo.createChart(viewer, 0);
        frame.getContentPane().add(viewer);

        // Display the window
        frame.pack();
        frame.setVisible(true);
    }
}