The rotation rate of the device.
- iOS 4.0+
- watchOS 2.0+
- Core Motion
CMRotation structure contains data specifying the device’s rate of rotation around three axes. The value of this property contains a measurement of gyroscope data whose bias has been removed by Core Motion algorithms. The identically name property of
CMGyro, on the other hand, gives the raw data from the gyroscope. The structure type is declared in