This example demonstrates the basic steps in creating pyramid charts.
[JSP Version] jspdemo/simplepyramid.jsp
<%@page import="ChartDirector.*" %>
<%
// The data for the pyramid chart
double[] data = {156, 123, 211, 179};
// The labels for the pyramid chart
String[] labels = {"Funds", "Bonds", "Stocks", "Cash"};
// Create a PyramidChart object of size 360 x 360 pixels
PyramidChart c = new PyramidChart(360, 360);
// Set the pyramid center at (180, 180), and width x height to 150 x 180 pixels
c.setPyramidSize(180, 180, 150, 300);
// Set the pyramid data and labels
c.setData(data, labels);
// Add labels at the center of the pyramid layers using Arial Bold font. The labels
// will have two lines showing the layer name and percentage.
c.setCenterLabel("{label}\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">
Simple Pyramid 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/simplepyramid.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class simplepyramid implements DemoModule
{
//Name of demo program
public String toString() { return "Simple Pyramid Chart"; }
//Number of charts produced in this demo
public int getNoOfCharts() { return 1; }
//Main code for creating charts
public void createChart(ChartViewer viewer, int index)
{
// The data for the pyramid chart
double[] data = {156, 123, 211, 179};
// The labels for the pyramid chart
String[] labels = {"Funds", "Bonds", "Stocks", "Cash"};
// Create a PyramidChart object of size 360 x 360 pixels
PyramidChart c = new PyramidChart(360, 360);
// Set the pyramid center at (180, 180), and width x height to 150 x 180
// pixels
c.setPyramidSize(180, 180, 150, 300);
// Set the pyramid data and labels
c.setData(data, labels);
// Add labels at the center of the pyramid layers using Arial Bold font. The
// labels will have two lines showing the layer name and percentage.
c.setCenterLabel("{label}\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 simplepyramid();
//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);
}
} |
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