|  Frame   Is  | 
 Determines if this frame's basis vectors are orthonormal. 
 Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
 Syntax   Remarks
 Remarks   "Orthonormal" means that the three vectors are orthogonal and each of them has unit length. 
  See Also
 See Also