IfcConnectionTypeEnum

Semantic definitions at the type

Type definition

This enumeration defines the different ways how path based elements (such as IfcWallStandardCase) can connect, as shown in Figure 179.

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 179 — Connection types

Enumeration definition

Constant	Description
ATPATH	Connection along the path of the connected element.
ATSTART	Connection at the start of the connected element.
ATEND	Connection at the end of the connected element.
NOTDEFINED

Formal representations

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;


 EXPRESS-G diagram

	Connection Type Enum
	Enumération des types de connection