public void SetValue(GISVertex _bottomleft, GISVertex _upright)
{
upright = _upright;
bottomleft = _bottomleft;
MinX = bottomleft.getX();
MinY = bottomleft.getY();
MaxX = upright.getX();
MaxY = upright.getY();
Width = upright.getX() - bottomleft.getX();
Height = upright.getY() - bottomleft.getY();
MapCenter = new GISVertex((MinX + MaxX) / 2, (MinY + MaxY) / 2);
}
static void WriteVertex(GISVertex v, BinaryWriter bw)
{
bw.Write(v.getX());
bw.Write(v.getY());
}