import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class polarscatter implements DemoModule
{
//Name of demo program
public String toString() { return "Polar Scatter 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 chart
double[] data0 = {43, 89, 76, 64, 48, 18, 92, 68, 44, 79, 71, 85};
double[] angles0 = {45, 96, 169, 258, 15, 30, 330, 260, 60, 75, 110, 140};
double[] data1 = {50, 91, 26, 29, 80, 53, 62, 87, 19, 40};
double[] angles1 = {230, 210, 240, 310, 179, 250, 244, 199, 89, 160};
double[] data2 = {88, 65, 76, 49, 80, 53};
double[] angles2 = {340, 310, 340, 210, 30, 300};
// The labels on the angular axis (spokes)
String[] labels = {"North", "North\nEast", "East", "South\nEast", "South",
"South\nWest", "West", "North\nWest"};
// Create a PolarChart object of size 460 x 460 pixels
PolarChart c = new PolarChart(460, 460);
// Add a title to the chart at the top left corner using 15pts Arial Bold
// Italic font
c.addTitle2(Chart.TopLeft, "<*underline=2*>Plants in Wonderland",
"Arial Bold Italic", 15);
// Set center of plot area at (230, 240) with radius 180 pixels
c.setPlotArea(230, 240, 180);
// Use alternative light grey/dark grey sector background color
c.setPlotAreaBg(0xdddddd, 0xeeeeee, false);
// Set the grid style to circular grid
c.setGridStyle(false);
// Add a legend box at the top right corner of the chart using 9 pts Arial
// Bold font
c.addLegend(459, 0, true, "Arial Bold", 9).setAlignment(Chart.TopRight);
// Set angular axis as 0 - 360, either 8 spokes
c.angularAxis().setLinearScale2(0, 360, labels);
// Set the radial axis label format
c.radialAxis().setLabelFormat("{value} km");
// Add a blue (0xff) polar line layer to the chart using (data0, angle0)
PolarLineLayer layer0 = c.addLineLayer(data0, 0x0000ff, "Immortal Weed");
layer0.setAngles(angles0);
layer0.setLineWidth(0);
layer0.setDataSymbol(Chart.TriangleSymbol, 11);
// Add a red (0xff0000) polar line layer to the chart using (data1, angles1)
PolarLineLayer layer1 = c.addLineLayer(data1, 0xff0000, "Precious Flower");
layer1.setAngles(angles1);
// Disable the line by setting its width to 0, so only the symbols are
// visible
layer1.setLineWidth(0);
// Use a 11 pixel diamond data point symbol
layer1.setDataSymbol(Chart.DiamondSymbol, 11);
// Add a green (0x00ff00) polar line layer to the chart using (data2,
// angles2)
PolarLineLayer layer2 = c.addLineLayer(data2, 0x00ff00, "Magical Tree");
layer2.setAngles(angles2);
// Disable the line by setting its width to 0, so only the symbols are
// visible
layer2.setLineWidth(0);
// Use a 9 pixel square data point symbol
layer2.setDataSymbol(Chart.SquareSymbol, 9);
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='{dataSetName} at ({value} km, {angle} deg)'"));
}
//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 polarscatter();
//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);
}
} |