Base MappingSave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedMar 04, 20261 minute readEngineeringGateway for 3D Data The following sections describe general details about the types of mapping used in the Gateway. Related LinksObject MappingObjectID MappingObjectName MappingClassID MappingContextID MappingRevisionID MappingIncidental Classification MappingAttribute MappingAssociation Mapping3D Model Hierarchies