Defines modifirs. 
| Enumerator | 
|---|
| XCAFDimTolObjects_DatumModifWithValue_None |  | 
| XCAFDimTolObjects_DatumModifWithValue_CircularOrCylindrical |  | 
| XCAFDimTolObjects_DatumModifWithValue_Distance |  | 
| XCAFDimTolObjects_DatumModifWithValue_Projected |  | 
| XCAFDimTolObjects_DatumModifWithValue_Spherical |  |