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MeshNormalAt Method (MeshPoint)
Evaluate a mesh normal at a set of barycentric coordinates.

Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: 5.1.50000.0 (5.0.20693.0)
public Vector3d NormalAt(
	MeshPoint meshPoint


Type: Rhino.GeometryMeshPoint
MeshPoint instance contiaining a valid Face Index and Barycentric coordinates.

Return Value

Type: Vector3d
A Normal vector to the mesh or Vector3d.Unset if the faceIndex is not valid or if the barycentric coordinates could not be evaluated.
See Also