ARPlaneAnchor.Classification.Status.undetermined
ARKit has not yet produced a classification for the plane anchor.
Declaration
case undeterminedDiscussion
This status occurs when ARKit is still in the process of plane classification. To be notified when ARKit produces a classification, observe the same plane anchor in a later frame (for example, in the session(_:didUpdate:) or renderer(_:didUpdate:for:) delegate method).