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CurveClosedCurveOrientation Method (Vector3d)
Determines the orientation (counterclockwise or clockwise) of a closed planar curve in a given plane. Only works with simple (no self intersections) closed planar curves.

Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: 5.1.50000.0 (5.0.20693.0)
Syntax
public CurveOrientation ClosedCurveOrientation(
	Vector3d upDirection
)

Parameters

upDirection
Type: Rhino.GeometryVector3d
A vector that is considered "up".

Return Value

Type: CurveOrientation
The orientation of this curve with respect to a defined up direction.
See Also