Skip to main content

Apple Developer Docs

Fonts Symbols

Vision / ContoursObservation / ContoursObservation.Contour / calculatePerimeter()

Contents

Declaration
See Also

calculatePerimeter()

Declaration

func calculatePerimeter() -> Double

See Also

Calculating area and perimeter

calculateArea(useOrientedArea:)

Open on developer.apple.com

VisionInstance Method

iOS 18.0+iPadOS 18.0+Mac Catalyst 18.0+macOS 15.0+tvOS 18.0+visionOS 2.0+

Declaration
See Also

Built on 2026-05-07