| Package | Description | 
|---|---|
| com.aspose.cad.fileformats.ifc.ifc4.entities | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
IfcBSplineSurface  | 
class  | 
IfcBSplineSurfaceWithKnots  | 
class  | 
IfcCurveBoundedPlane  | 
class  | 
IfcCurveBoundedSurface  | 
class  | 
IfcRationalBSplineSurfaceWithKnots  | 
class  | 
IfcRectangularTrimmedSurface  |