8.5.2.9 IfcTaskDurationEnum
8.5.2.9.1 Semantic definition
IfcTaskDurationEnum identifies how a time duration is measured.
8.5.2.9.2 Type values
| Type | 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. |
8.5.2.9.3 Formal representation
TYPE IfcTaskDurationEnum = ENUMERATION OF
(ELAPSEDTIME
,WORKTIME
,NOTDEFINED);
END_TYPE;