ChartDirector 6.1 (Java Edition)

3D Bubble Chart (1)




This examples demonstrates a bubble chart using glass spheres as bubbles.

Source Code Listing

[JSP Version] jspdemo/threedbubble.jsp
<%@page import="ChartDirector.*" %>
<%
// The XYZ points for the bubble chart
double[] dataX0 = {170, 300, 1000, 1700};
double[] dataY0 = {16, 69, 16, 75};
double[] dataZ0 = {52, 105, 88, 140};

double[] dataX1 = {500, 1000, 1300};
double[] dataY1 = {40, 58, 85};
double[] dataZ1 = {140, 202, 84};

// Create a XYChart object of size 540 x 480 pixels
XYChart c = new XYChart(540, 480);

// Set the plotarea at (70, 65) and of size 400 x 350 pixels. Turn on both horizontal and vertical
// grid lines with light grey color (0xc0c0c0)
c.setPlotArea(70, 65, 400, 350, -1, -1, Chart.Transparent, 0xc0c0c0, -1);

// Add a legend box at (70, 30) (top of the chart) with horizontal layout. Use 12pt Times Bold
// Italic font. Set the background and border color to Transparent.
c.addLegend(70, 30, false, "Times New Roman Bold Italic", 12).setBackground(Chart.Transparent);

// Add a title to the chart using 18pt Times Bold Itatic font.
c.addTitle("Product Comparison Chart", "Times New Roman Bold Italic", 18);

// Add titles to the axes using 12pt Arial Bold Italic font
c.yAxis().setTitle("Capacity (tons)", "Arial Bold Italic", 12);
c.xAxis().setTitle("Range (miles)", "Arial Bold Italic", 12);

// Set the axes line width to 3 pixels
c.xAxis().setWidth(3);
c.yAxis().setWidth(3);

// Add (dataX0, dataY0) as a scatter layer with red (ff3333) glass spheres, where the sphere size is
// modulated by dataZ0. This creates a bubble effect.
c.addScatterLayer(dataX0, dataY0, "Technology AAA", Chart.GlassSphereShape, 15, 0xff3333
    ).setSymbolScale(dataZ0);

// Add (dataX1, dataY1) as a scatter layer with blue (0000ff) glass spheres, where the sphere size
// is modulated by dataZ1. This creates a bubble effect.
c.addScatterLayer(dataX1, dataY1, "Technology BBB", Chart.GlassSphereShape, 15, 0x0000ff
    ).setSymbolScale(dataZ1);

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

// Include tool tip for the chart
String imageMap1 = c.getHTMLImageMap("", "",
    "title='[{dataSetName}] Range = {x} miles, Capacity = {value} tons, Length = {z} meters'");
%>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
    3D Bubble Chart (1)
</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/threedbubble.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;

public class threedbubble implements DemoModule
{
    //Name of demo program
    public String toString() { return "3D Bubble Chart (1)"; }

    //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 XYZ points for the bubble chart
        double[] dataX0 = {170, 300, 1000, 1700};
        double[] dataY0 = {16, 69, 16, 75};
        double[] dataZ0 = {52, 105, 88, 140};

        double[] dataX1 = {500, 1000, 1300};
        double[] dataY1 = {40, 58, 85};
        double[] dataZ1 = {140, 202, 84};

        // Create a XYChart object of size 540 x 480 pixels
        XYChart c = new XYChart(540, 480);

        // Set the plotarea at (70, 65) and of size 400 x 350 pixels. Turn on both horizontal and
        // vertical grid lines with light grey color (0xc0c0c0)
        c.setPlotArea(70, 65, 400, 350, -1, -1, Chart.Transparent, 0xc0c0c0, -1);

        // Add a legend box at (70, 30) (top of the chart) with horizontal layout. Use 12pt Times
        // Bold Italic font. Set the background and border color to Transparent.
        c.addLegend(70, 30, false, "Times New Roman Bold Italic", 12).setBackground(
            Chart.Transparent);

        // Add a title to the chart using 18pt Times Bold Itatic font.
        c.addTitle("Product Comparison Chart", "Times New Roman Bold Italic", 18);

        // Add titles to the axes using 12pt Arial Bold Italic font
        c.yAxis().setTitle("Capacity (tons)", "Arial Bold Italic", 12);
        c.xAxis().setTitle("Range (miles)", "Arial Bold Italic", 12);

        // Set the axes line width to 3 pixels
        c.xAxis().setWidth(3);
        c.yAxis().setWidth(3);

        // Add (dataX0, dataY0) as a scatter layer with red (ff3333) glass spheres, where the sphere
        // size is modulated by dataZ0. This creates a bubble effect.
        c.addScatterLayer(dataX0, dataY0, "Technology AAA", Chart.GlassSphereShape, 15, 0xff3333
            ).setSymbolScale(dataZ0);

        // Add (dataX1, dataY1) as a scatter layer with blue (0000ff) glass spheres, where the
        // sphere size is modulated by dataZ1. This creates a bubble effect.
        c.addScatterLayer(dataX1, dataY1, "Technology BBB", Chart.GlassSphereShape, 15, 0x0000ff
            ).setSymbolScale(dataZ1);

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

        //include tool tip for the chart
        viewer.setImageMap(c.getHTMLImageMap("clickable", "",
            "title='[{dataSetName}] Range = {x} miles, Capacity = {value} tons, Length = {z} " +
            "meters'"));
    }

    //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 threedbubble();

        //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);
    }
}