Boolean operators that apply to the first and second Boolean operands.
NOTE Definition according to ISO/CD 10303-42:1992
This type defines the three Boolean operators used in the definition of CSG solids.
NOTE Entity adapted from boolean_operator defined in ISO 10303-42.
HISTORY New entity in IFC1.5.1.
The operation of constructing the regularised set theoretic intersection of the volumes defined by two solids.
The regularised set theoretic difference between the volumes defined by two solids.
TYPE IfcBooleanOperator = ENUMERATION OF (UNION ,INTERSECTION ,DIFFERENCE); END_TYPE;