import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class scattertrend implements DemoModule
{
//Name of demo program
public String toString() { return "Scatter Trend 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 XY data of the first data series
double[] dataX0 = {50, 55, 37, 24, 42, 49, 63, 72, 83, 59};
double[] dataY0 = {3.6, 2.8, 2.5, 2.3, 3.8, 3.0, 3.8, 5.0, 6.0, 3.3};
// The XY data of the second data series
double[] dataX1 = {50, 55, 37, 24, 42, 49, 63, 72, 83, 59};
double[] dataY1 = {1.6, 1.8, 0.8, 0.5, 1.3, 1.5, 2.3, 2.4, 2.9, 1.5};
// Tool tip formats for data points and trend lines
String scatterToolTip =
"title='{dataSetName}: Response time at {x} TPS: {value} sec'";
String trendToolTip =
"title='Slope = {slope|4} sec/TPS; Intercept = {intercept|4} sec'";
// 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 white
// background and a light grey border (0xc0c0c0). Turn on both horizontal and
// vertical grid lines with light grey color (0xc0c0c0)
c.setPlotArea(55, 65, 350, 300, 0xffffff, -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 point Times Bold Itatic font.
c.addTitle("Server Performance", "Times New Roman Bold Italic", 18);
// Add titles to the axes using 12 pts Arial Bold Italic font
c.yAxis().setTitle("Response Time (sec)", "Arial Bold Italic", 12);
c.xAxis().setTitle("Server Load (TPS)", "Arial Bold Italic", 12);
// Set the axes line width to 3 pixels
c.yAxis().setWidth(3);
c.xAxis().setWidth(3);
// Add a scatter layer using (dataX0, dataY0)
ScatterLayer scatter1 = c.addScatterLayer(dataX0, dataY0, "Server AAA",
Chart.DiamondSymbol, 11, 0x008000);
scatter1.setHTMLImageMap("", "", scatterToolTip);
// Add a trend line layer for (dataX0, dataY0)
TrendLayer trend1 = c.addTrendLayer2(dataX0, dataY0, 0x008000);
trend1.setLineWidth(3);
trend1.setHTMLImageMap("", "", trendToolTip);
// Add a scatter layer for (dataX1, dataY1)
ScatterLayer scatter2 = c.addScatterLayer(dataX1, dataY1, "Server BBB",
Chart.TriangleSymbol, 9, 0x6666ff);
scatter2.setHTMLImageMap("", "", scatterToolTip);
// Add a trend line layer for (dataX1, dataY1)
TrendLayer trend2 = c.addTrendLayer2(dataX1, dataY1, 0x6666ff);
trend2.setLineWidth(3);
trend2.setHTMLImageMap("", "", trendToolTip);
// Output the chart
viewer.setChart(c);
// include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable"));
}
//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 scattertrend();
//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);
}
} |