8.5.2.1 IfcDataOriginEnum
8.5.2.1.1 Semantic definition
IfcDataOriginEnum identifies the origin of time data.
8.5.2.1.2 Type values
| Type | Description | 
|---|---|
MEASURED
 | 
 The origin of the time data is a measurement device.  | 
PREDICTED
 | 
 The time data are a prediction.  | 
SIMULATED
 | 
 The origin of the time data is a simulation.  | 
USERDEFINED
 | 
 User defined.  | 
NOTDEFINED
 | 
 The origin of the time data is undefined.  | 
8.5.2.1.3 Formal representation
TYPE IfcDataOriginEnum = ENUMERATION OF
	(MEASURED
	,PREDICTED
	,SIMULATED
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;