标准摘要
ISO 10303-521:2011 specifies the integrated resource constructs for Manifold subsurface. The following are within the scope of ISO 10303-521:2011: 3D geometry; advanced faces; connected face sub sets; mappings and geometric transformations; open shells; relationships between domains of topological objects; subedges; subfaces; unbounded geometry with associated topological boundaries; use of topology to bound geometric entities.
英文名称Industrial automation systems and integration — Product data representation and exchange — Part 521: Application interpreted construct: Manifold subsurface