IfcTaskDurationEnum

Natural language names
Task Duration Enum
Enumération des types de durée de tâche
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4
    IfcTaskDurationEnumADDED
Semantic definitions at the type
Type definition

IfcTaskDurationEnum identifies how a time duration is measured.

HISTORY  New enumeration in IFC4.
Enumeration definition
ConstantDescription
ELAPSEDTIMEThe time duration is based on elapsed time (24 hours per day, independent of calendar).
WORKTIMEThe time duration is based on work time (calendar-dependent).
NOTDEFINEDThe 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;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcLagTime IfcTaskTime

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