Values within the depth data map are usable for foreground/background separation, but are not absolutely accurate in the physical world.
- iOS 11.0+
- macOS 10.13+
- tvOS 11.0+
- Mac Catalyst 13.0+Beta
This level of accuracy indicates that values within a depth map are usable relative to one another (that is, a depth value of 2 is twice as far as a depth value of 1), but do not accurately convey real-world distance.