Instance Property

yaw

The detected face's yaw angle, as populated by the VNDetectFaceRectanglesRequest.

Declaration

var yaw: NSNumber? { get }

Discussion

The yaw is reported in radians. A positive angle corresponds to counterclockwise roll. The range is [-Pi/2, Pi/2). A nil value indicates that the yaw angle hasn't been computed.

See Also

Determining Facial Orientation

var roll: NSNumber?

The detected face's roll angle, as populated by the VNDetectFaceRectanglesRequest.