# value(atAngle:as:) Returns the data value at the given angle, or `nil` if the angle does not correspond to a valid data value. ``` func value

(atAngle angle: Angle, as: P.Type = P.self) -> P? where P : Plottable ``` ## Parameters `angle` The angle, relative to the plot center, where the 12 o’clock position is interpreted as zero degrees, increasing clockwise. ## Return Value The data value at the given position. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)