Specifies boundary condition orientation. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2015 
  Since:  2015 
Syntax
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Members
| Member name | Description | 
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| Project | Boundary condition is oriented in respect to project global coordinate system, that is X to East, Y to North, and Z to up. | 
| HostLocalCoordinateSystem | Boundary condition is oriented in respect to it analytical host element coordinate system and will follow host changes. |