ISO/TS 10303-1511:2004 specifies the application module Topologically bounded surface.
The following are within the scope of ISO/TS 10303-1511:2004:
- 3D geometry;
- B-spline curves and surfaces;
- elementary curves;
- elementary surfaces;
- sculptured surfaces;
- surface curves referencing pcurves;
- swept surfaces;
- twisted curves;
- unbounded geometry;
- geometric transformations;
- use of topology to bound geometric entities.