private void caculateParts()
{
double unitsAngle = 360 / 72;
double startAngle = 0;
double unitsPI = Math.PI / 180;
this.parts.Clear();
Point2DCollection item = new Point2DCollection();
for (int i = 0; i < 72; i++)
{
Point2D p = new Point2D(Math.Cos(startAngle * unitsPI) * this.radius + center.X, Math.Sin(startAngle * unitsPI) * this.radius + center.Y);
item.Add(p);
startAngle += unitsAngle;
}
this.parts.Add(item);
}
/// <summary>${WP_core_GeoCircle_method_clone_D}</summary>