Unitizes, or normalizes, a 3-D vector. A vector is called a unit vector when its length or magnitude is equal to one unit. Note, zero vectors cannot be unitized.
Rhino.VectorUnitize (arrVector)
arrVector  | 
		Required. Array. The 3-D vector to unitize.  | 
	
Array  | 
		The resulting 3-D vector if successful.  | 
	
Null  | 
		On error.  | 
	
Dim arrVector
arrVector = Rhino.VectorUnitize(Array(1.5,-4.1,3.6))
Rhino.Print Rhino.Pt2Str(arrVector)