6.1.2.6 IfcConnectionTypeEnum

This enumeration defines the different ways how path based elements (such as IfcWallStandardCase) can connect, as shown in Figure 155.

HISTORY  New type in IFC2.0

Enumerated Item Definitions:

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 155 — Connection types

XSD Specification:

 <xs:simpleType name="IfcConnectionTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="atpath"/>
   <xs:enumeration value="atstart"/>
   <xs:enumeration value="atend"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>

EXPRESS Specification:

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

Link to EXPRESS-G diagram EXPRESS-G diagram

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