[mapguide-users] RE: Calculate the area of a polygon

[Hans Milling]

And translated into human readable c# code :-) 
Assuming that the first point of the array is the same as the last point of
the array

        double area = 0;

        for (int i = 0; i < points.Length; i++)
        {
          int next = i+1;
          if (next == points.length)
           next = 0;

          area = (points[i].x * points[next].y) - (points[next].x *
points[i].y);
        }
        area = area / 2.0;

Hans...

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