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MeshUnsafeLockNormalVector3fArray Method

Retrieves a pointer to the raw mesh vertex normal array, which uses vectors defined with single precision floating point numbers, or throws an exception if none is available.

Namespace:  Rhino.Geometry
Assembly:  RhinoCommon (in RhinoCommon.dll)
public Vector3f* NormalVector3fArray(
	out int length


Type: SystemInt32
The length of the array. This value is returned by reference (out in C#).

Return Value

Type: Vector3f*
The beginning of the vertex array. Item 0 is the first vertex, and item length-1 is the last valid one.
InvalidOperationExceptionThe mesh does not have vertex normals.
Version Information

Rhino for Windows

Supported in: 6.20
See Also