Consider the case where a point is labelled invalid (i.e. -1), the hex equivalent of -1 is 0xffff. In such the case bit-wise operations are not accurate. This means if the point is labelled invalid it is automatically labelled corner and surface in the same time.
Consider the case where a point is labelled invalid (i.e. -1), the hex equivalent of -1 is 0xffff. In such the case bit-wise operations are not accurate. This means if the point is labelled invalid it is automatically labelled corner and surface in the same time.