import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class rose implements DemoModule
{
//Name of demo program
public String toString() { return "Simple Rose 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)
{
// Data for the chart
double[] data = {9.4, 1.8, 2.1, 2.3, 3.5, 7.7, 8.8, 6.1, 5.0, 3.1, 6.0, 4.3,
5.1, 2.6, 1.5, 2.2, 5.1, 4.3, 4.0, 9.0, 1.7, 8.8, 9.9, 9.5};
double[] angles = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180,
195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345};
// Create a PolarChart object of size 460 x 460 pixels, with a silver
// background and a 1 pixel 3D border
PolarChart c = new PolarChart(460, 460, Chart.silverColor(), 0x000000, 1);
// Add a title to the chart at the top left corner using 15pts Arial Bold
// Italic font. Use white text on deep blue background.
c.addTitle("Polar Vector Chart Demonstration", "Arial Bold Italic", 15,
0xffffff).setBackground(0x000080);
// Set plot area center at (230, 240) with radius 180 pixels and white
// background
c.setPlotArea(230, 240, 180, 0xffffff);
// Set the grid style to circular grid
c.setGridStyle(false);
// Set angular axis as 0 - 360, with a spoke every 30 units
c.angularAxis().setLinearScale(0, 360, 30);
// Add sectors to the chart as sector zones
for (int i = 0; i < data.length; ++i) {
c.angularAxis().addZone(angles[i], angles[i] + 15, 0, data[i], 0x33ff33,
0x008000);
}
// Add an Transparent invisible layer to ensure the axis is auto-scaled using
// the data
c.addLineLayer(data, Chart.Transparent);
// Output the chart
viewer.setChart(c);
}
//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 rose();
//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);
}
} |