IFC 4.3.x development

6.1.2.9 IfcConnectionTypeEnum

6.1.2.9.1 Semantic definitions at the entity

This enumeration defines the different ways how path based elements (such as IfcWallStandardCase) can connect, as shown in Figure 1.

HISTORY  New type in IFC2.0

The enumerated items shall be used in the following combinations:

Connection type Illustration

L-Shape Connection

  • RelatingConnectionType: AtStart
  • RelatedConnectionType: AtStart

L-Shape Connection

  • RelatingConnectionType: AtEnd
  • RelatedConnectionType: AtStart

T-Shape Connection

  • RelatingConnectionType: AtPath
  • RelatedConnectionType: AtStart

Figure 1 — Connection types

6.1.2.9.1 Formal representations

TYPE IfcConnectionTypeEnum = ENUMERATION OF
	(ATPATH
	,ATSTART
	,ATEND
	,NOTDEFINED);
END_TYPE;