import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class vector implements DemoModule
{
//Name of demo program
public String toString() { return "Vector 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 (x, y) coordinates of the starting point of the vectors
double[] dataX = {20, 40, 60, 80, 100, 20, 40, 60, 80, 100, 20, 40, 58, 62,
80, 100, 20, 40, 60, 80, 100, 20, 40, 60, 80, 100};
double[] dataY = {20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 60, 60, 60, 60, 60,
60, 80, 80, 80, 80, 80, 100, 100, 100, 100, 100};
// The lengths (radii) and directions (angles) of the vectors
double[] dataR = {6, 6, 9, 6, 6, 6, 9, 12, 9, 6, 9, 12, 12, 12, 12, 9, 6, 9,
12, 9, 6, 6, 6, 9, 6, 6};
double[] dataA = {-45, -30, 0, 30, 45, -60, -45, 0, 45, 60, -90, -90, -90,
90, 90, 90, -120, -135, 180, 135, 120, -135, -150, 180, 150, 135};
// Create a XYChart object of size 450 x 390 pixels
XYChart c = new XYChart(450, 390);
// Set the plotarea at (55, 40) 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, 40, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a title to the chart using 18 pts Times Bold Itatic font.
c.addTitle("Vector Chart Demonstration", "Times New Roman Bold Italic", 18);
// Add a title to the y axis using 12 pts Arial Bold Italic font
c.yAxis().setTitle("Y Axis Title", "Arial Bold Italic", 12);
// Add a title to the x axis using 12 pts Arial Bold Italic font
c.xAxis().setTitle("X Axis Title", "Arial Bold Italic", 12);
// Set the axes line width to 3 pixels
c.xAxis().setWidth(3);
c.yAxis().setWidth(3);
// Add a vector layer to the chart using blue (0000CC) color, with vector
// arrow size set to 11 pixels
c.addVectorLayer(dataX, dataY, dataR, dataA, Chart.YAxisScale, 0x0000cc
).setArrowHead(11);
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='Vector at ({x}, {value}): Length = {len}, Angle = {dir} 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 vector();
//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);
}
} |