 | Task Duration Enum |
 | Enumération des types de durée de tâche |
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 4.0.0.0 |
|---|---|---|---|---|
| IfcTaskDurationEnum | ADDED | IFC2x3 to IFC4 4.0.0.0 | ||
| IfcTaskDurationEnum | ADDED |
IfcTaskDurationEnum identifies how a time duration is measured.
HISTORY New enumeration in IFC4.
| 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. |
<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>
TYPE IfcTaskDurationEnum = ENUMERATION OF (
ELAPSEDTIME,
WORKTIME,
NOTDEFINED);
END_TYPE;
References: IfcLagTime
IfcTaskTime
EXPRESS-G diagram
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