import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class scattercontour implements DemoModule
{
//Name of demo program
public String toString() { return "Scattered Data Contour 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)
{
// The (x, y, z) coordinates of the scattered data
double[] dataX = {0.5, 1.9, 4.9, 1.0, 8.9, 9.8, 5.9, 2.9, 6.8, 9.0, 0.0, 8.9, 1.9, 4.8, 2.4,
3.4, 7.9, 7.5, 4.8, 7.5, 9.5, 0.4, 8.9, 0.9, 5.4, 9.4, 2.9, 8.9, 0.9, 8.9, 10.0, 1.0,
6.8, 3.8, 9.0, 5.3, 6.4, 4.9, 4.5, 2.0, 5.4, 0.0, 10.0, 3.9, 5.4, 5.9, 5.8, 0.3, 4.4,
8.3};
double[] dataY = {3.3, 3.0, 0.7, 1.0, 9.3, 4.5, 8.4, 0.1, 0.8, 0.1, 9.3, 1.8, 4.3, 1.3, 2.3,
5.4, 6.9, 9.0, 9.8, 7.5, 1.8, 1.4, 4.5, 7.8, 3.8, 4.0, 2.9, 2.4, 3.9, 2.9, 2.3, 9.3,
2.0, 3.4, 4.8, 2.3, 3.4, 2.3, 1.5, 7.8, 4.5, 0.9, 6.3, 2.4, 6.9, 2.8, 1.3, 2.9, 6.4, 6.3
};
double[] dataZ = {6.6, 12.5, 7.4, 6.2, 9.6, 13.6, 19.9, 2.2, 6.9, 3.4, 8.7, 8.4, 7.8, 8.0,
9.4, 11.9, 9.6, 15.7, 12.0, 13.3, 9.6, 6.4, 9.0, 6.9, 4.6, 9.7, 10.6, 9.2, 7.0, 6.9,
9.7, 8.6, 8.0, 13.6, 13.2, 5.9, 9.0, 3.2, 8.3, 9.7, 8.2, 6.1, 8.7, 5.6, 14.9, 9.8, 9.3,
5.1, 10.8, 9.8};
// Create a XYChart object of size 450 x 540 pixels
XYChart c = new XYChart(450, 540);
// Add a title to the chart using 15 points Arial Italic font
c.addTitle(" Contour Chart with Scattered Data", "Arial Italic", 15);
// Set the plotarea at (65, 40) and of size 360 x 360 pixels. Use semi-transparent black
// (c0000000) for both horizontal and vertical grid lines
c.setPlotArea(65, 40, 360, 360, -1, -1, -1, 0xc0000000, -1);
// Set x-axis and y-axis title using 12 points Arial Bold Italic font
c.xAxis().setTitle("X-Axis Title Place Holder", "Arial Bold Italic", 10);
c.yAxis().setTitle("Y-Axis Title Place Holder", "Arial Bold Italic", 10);
// Set x-axis and y-axis labels to use Arial Bold font
c.xAxis().setLabelStyle("Arial Bold");
c.yAxis().setLabelStyle("Arial Bold");
// When x-axis and y-axis color to transparent
c.xAxis().setColors(Chart.Transparent);
c.yAxis().setColors(Chart.Transparent);
// Add a scatter layer to the chart to show the position of the data points
c.addScatterLayer(dataX, dataY, "", Chart.Cross2Shape(0.2), 7, 0x000000);
// Add a contour layer using the given data
ContourLayer layer = c.addContourLayer(dataX, dataY, dataZ);
// Move the grid lines in front of the contour layer
c.getPlotArea().moveGridBefore(layer);
// Add a color axis (the legend) in which the top center is anchored at (245, 455). Set the
// length to 330 pixels and the labels on the top side.
ColorAxis cAxis = layer.setColorAxis(245, 455, Chart.TopCenter, 330, Chart.Top);
// Add a bounding box to the color axis using the default line color as border.
cAxis.setBoundingBox(Chart.Transparent, Chart.LineColor);
// Add a title to the color axis using 12 points Arial Bold Italic font
cAxis.setTitle("Color Legend Title Place Holder", "Arial Bold Italic", 10);
// Set color axis labels to use Arial Bold font
cAxis.setLabelStyle("Arial Bold");
// Set the color axis range as 0 to 20, with a step every 2 units
cAxis.setLinearScale(0, 20, 2);
// 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 scattercontour();
//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);
}
} |