AreaGraphExample


1   import org.faceless.graph2.*;
2   import java.awt.Color  ;
3   import java.io.FileOutputStream  ;
4   import java.io.IOException  ;
5   
6   public class AreaGraphExample
7   {
8       public static void main (String   args[]) throws IOException  
9       {
10          AxesGraph graph = new AxesGraph();
11      graph.setXRotation(25);
12      graph.setYRotation(15);
13  
14          // First we create two FunctionLineSeries objects
15          //
16      FunctionLineSeries sin = new FunctionLineSeries("Sine", 0, 6) {
17          public double func(double x) { return Math.cos(x)+2; }
18      };
19          sin.setStyle(new Style(Color.RED));
20          
21      FunctionLineSeries cos = new FunctionLineSeries("CoSine", 0, 6) {
22          public double func(double x) { return Math.sin(x)+2; }
23      };
24          cos.setStyle(new Style(Color.BLUE));
25          
26          // Then we add them to an AreaSeries and add that to the graph.
27          //
28      AreaSeries series = new AreaSeries("area");
29      series.add(cos);
30      series.add(sin);
31          graph.addSeries(series);
32  
33          // Create the key
34          //
35          Key key = new Key(new Style(Color.WHITE));
36      key.addSeries(sin, new TextStyle("Times", 12, Color.BLACK));
37          key.addSeries(cos, new TextStyle("Times", 12, Color.BLACK));
38          graph.addKey(key, Align.RIGHT);
39  
40          // Finally we write the graph to a file.
41          //
42          ImageOutput image = new ImageOutput(500,300);
43          graph.draw(image);
44          FileOutputStream   out = new FileOutputStream  ("AreaGraphExample.png");
45      image.writePNG(out, 0);
46          out.close();
47      }
48  }
49
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