IfcBoolean

Semantic definitions at the type

Type definition

A defined data type of simple data type Boolean. (Required since a select type, i.e. IfcSimpleValue, cannot include directly simple types in its select list). A boolean type can have value TRUE or FALSE.

Type: BOOLEAN

HISTORY New type in IFC Release 1.5.1.

Formal representations

XSD Specification

 <xs:simpleType name="IfcBoolean">

  <xs:restriction base="xs:boolean"/>

 </xs:simpleType>

 <xs:element name="IfcBoolean-wrapper" nillable="true">

  <xs:complexType>

   <xs:simpleContent>

    <xs:extension base="ifc:IfcBoolean">

     <xs:attributeGroup ref="ifc:instanceAttributes"/>

    </xs:extension>

   </xs:simpleContent>

  </xs:complexType>

 </xs:element>

EXPRESS Specification


TYPE IfcBoolean = BOOLEAN;
END_TYPE;


 EXPRESS-G diagram