import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class bubble implements DemoModule
{
//Name of demo program
public String toString() { return "Bubble 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 XYZ points for the bubble chart
double[] dataX0 = {150, 300, 1000, 1700};
double[] dataY0 = {12, 60, 25, 65};
double[] dataZ0 = {20, 50, 50, 85};
double[] dataX1 = {500, 1000, 1300};
double[] dataY1 = {35, 50, 75};
double[] dataZ1 = {30, 55, 95};
// Create a XYChart object of size 450 x 420 pixels
XYChart c = new XYChart(450, 420);
// Set the plotarea at (55, 65) and of size 350 x 300 pixels, with a light
// grey border (0xc0c0c0). Turn on both horizontal and vertical grid lines
// with light grey color (0xc0c0c0)
c.setPlotArea(55, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a legend box at (50, 30) (top of the chart) with horizontal layout.
// Use 12 pts Times Bold Italic font. Set the background and border color to
// Transparent.
c.addLegend(50, 30, false, "Times New Roman Bold Italic", 12).setBackground(
Chart.Transparent);
// Add a title to the chart using 18 pts Times Bold Itatic font.
c.addTitle("Product Comparison Chart", "Times New Roman Bold Italic", 18);
// Add a title to the y axis using 12 pts Arial Bold Italic font
c.yAxis().setTitle("Capacity (tons)", "Arial Bold Italic", 12);
// Add a title to the x axis using 12 pts Arial Bold Italic font
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 semi-transparent red
// (0x80ff3333) circle symbols, where the circle size is modulated by dataZ0.
// This creates a bubble effect.
c.addScatterLayer(dataX0, dataY0, "Technology AAA", Chart.CircleSymbol, 9,
0x80ff3333, 0x80ff3333).setSymbolScale(dataZ0);
// Add (dataX1, dataY1) as a scatter layer with semi-transparent green
// (0x803333ff) circle symbols, where the circle size is modulated by dataZ1.
// This creates a bubble effect.
c.addScatterLayer(dataX1, dataY1, "Technology BBB", Chart.CircleSymbol, 9,
0x803333ff, 0x803333ff).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 bubble();
//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);
}
} |