5.4.2.22 IfcSpatialReferenceSelect
5.4.2.22.1 Semantic definition
IfcSpatialReferenceSelect聽provides the option to either select a group occurrence, IfcGroup (and all relevent subtypes), or a product occurance, IfcProduct. for referencing to a spatial element
5.4.2.22.2 Type values
5.4.2.22.3 Formal representation
TYPE IfcSpatialReferenceSelect = SELECT
(IfcGroup
,IfcProduct);
END_TYPE;