IfcTaskDurationEnum

Natural language names

	Task Duration Enum
	Enumération des types de durée de tâche

Change log

Item	SPF	XML	Change	Description
IFC2x3 to IFC4 4.0.0.0
IfcTaskDurationEnum			ADDED

Semantic definitions at the type

Type definition

IfcTaskDurationEnum identifies how a time duration is measured.

HISTORY New enumeration in IFC4.

Enumeration definition

Constant	Description
ELAPSEDTIME	The time duration is based on elapsed time (24 hours per day, independent of calendar).
WORKTIME	The time duration is based on work time (calendar-dependent).
NOTDEFINED	The time duration is undefined.

Formal representations

XML Specification

 <xs:simpleType name="IfcTaskDurationEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="elapsedtime"/>

   <xs:enumeration value="worktime"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcTaskDurationEnum = ENUMERATION OF (

 ELAPSEDTIME, 
 WORKTIME, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram

References: IfcLagTime IfcTaskTime

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