IfcCsgSelect

Semantic definitions at the type

Type definition

Select type enabling the choice between IfcBooleanResult and subtypes of IfcCsgPrimitive3D as potential root tree expression at IfcCsgSolid.

NOTE Definition from ISO 10303-42:
This type identifies the types of entity which may be selected as the root of a CSG tree including a single CSG primitive as a special case.

NOTE Corresponding STEP type csg_select defined in ISO 10303-42.

HISTORY New type in IFC1.5.1.

Select definition

Type	Description
IfcBooleanResult
IfcCsgPrimitive3D

Formal representations

XML Specification

 <xs:group name="IfcCsgSelect">

  <xs:choice>

   <xs:element ref="ifc:IfcBooleanResult"/>

   <xs:element ref="ifc:IfcCsgPrimitive3D"/>

  </xs:choice>

 </xs:group>

EXPRESS Specification


TYPE IfcCsgSelect = SELECT (

 IfcBooleanResult, 
 IfcCsgPrimitive3D);
END_TYPE;


 EXPRESS-G diagram

	CSG - Auswahl
	Csg Select
	Sélection Csg