8.11.2.108 IfcValue
8.11.2.108.1 Semantic definition
IfcValue is a select type for selecting between more specialised select types IfcSimpleValue, IfcMeasureValue and IfcDerivedMeasureValue.
SELECT
- IfcSimpleValue A select type for basic defined types of simple data type.
- IfcMeasureValue A select type for basic measure types of ISO 10303-41.
- IfcDerivedMeasureValue A select type for derived measure types.
8.11.2.108.2 Type values
8.11.2.108.3 Formal representation
TYPE IfcValue = SELECT
(IfcDerivedMeasureValue
,IfcMeasureValue
,IfcSimpleValue);
END_TYPE;