Returns the necessary information to define a NURBS surface for a given Revit HermiteFace or RuledFace. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 17.0.0.0 (17.0.1090.0) 
  Since:  2017 
Syntax
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Parameters
- face
-  Type:  Autodesk.Revit.DB Face  
 The HermiteFace or RuledFace to be converted.
Return Value
A class containing the necessary data to define a NURBS surface.Remarks
 This function is intended for export purposes 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | This face type is not supported for this function. -or- GetNurbsSurfaceDataForFace only supports Hermite surfaces. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions InvalidOperationException | Couldn't get NURBS data from face. |