import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import ChartDirector.*;
public class rotatedline implements DemoModule
{
//Name of demo program
public String toString() { return "Rotated Line Chart"; }
//Number of charts produced in this demo
public int getNoOfCharts() { return 1; }
//Main code for creating charts
public void createChart(ChartViewer viewer, int chartIndex)
{
//
// We use a random table to simulate generating 12 months of data
//
// Create the random table object with 4 cols * 12 rows, using 3 as seed
RanTable rantable = new RanTable(3, 4, 12);
// Set the 1st column to be the 12 months of year 2002
rantable.setDateCol(0, new GregorianCalendar(2002, 0, 1).getTime(), 86400 * 30);
// Set the 2nd, 3rd and 4th columns to be random numbers starting from 125, 75, and 100
// respectively. The change between rows is set to -35 to + 35. The minimum value of any
// cell is 0.
rantable.setCol(1, 125, -35, 35, 0);
rantable.setCol(2, 75, -35, 35, 0);
rantable.setCol(3, 100, -35, 35, 0);
// Get the 1st column (time) as the x data
double[] dataX = rantable.getCol(0);
// Get the 2nd, 3rd and 4th columns as 3 data sets
double[] dataY0 = rantable.getCol(1);
double[] dataY1 = rantable.getCol(2);
double[] dataY2 = rantable.getCol(3);
// Create a XYChart object of size 360 x 400 pixels
XYChart c = new XYChart(360, 400);
// Add a title to the chart
c.addTitle("<*underline=2*>Rotated Line Chart Demo", "Times New Roman Bold Italic", 14);
// Set the plotarea at (60, 75) and of size 190 x 320 pixels. Turn on both horizontal and
// vertical grid lines with light grey color (0xc0c0c0)
c.setPlotArea(60, 75, 190, 320).setGridColor(0xc0c0c0, 0xc0c0c0);
// Add a legend box at (270, 75)
c.addLegend(270, 75);
// Swap the x and y axis to become a rotated chart
c.swapXY();
// Set the y axis on the top side (right + rotated = top)
c.setYAxisOnRight();
// Add a title to the y axis
c.yAxis().setTitle("Throughput (MBytes)");
// Reverse the x axis so it is pointing downwards
c.xAxis().setReverse();
// Add a line chart layer using the given data
LineLayer layer = c.addLineLayer2();
layer.setXData(dataX);
layer.addDataSet(dataY0, 0xff0000, "Server A");
layer.addDataSet(dataY1, 0x338033, "Server B");
layer.addDataSet(dataY2, 0x0000ff, "Server C");
// Set the line width to 2 pixels
layer.setLineWidth(2);
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='[{dataSetName}] {x|mm/yyyy}: {value|0} MByte'"));
}
//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 rotatedline();
//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);
}
} |