private static double[] getCentroid(ImageObject imageObject)
{
Contract.Requires(null!=imageObject);
imageObject.EnsureAssignedToLayer();
var boundingBox=imageObject.Contour.FindBoundingBox();
var centroid=new double[2];
double area=0;
for(var i=boundingBox.Y;i<boundingBox.Bottom;i++)
for(var j=boundingBox.X;j<boundingBox.Right;j++)
if(imageObject.Id==imageObject.Layer.Map[j,i]) {
centroid[0]+=j;
centroid[1]+=i;
area++;
}
centroid[0]=(centroid[0]/area);
centroid[1]=(centroid[1]/area);
return centroid;
}