ifc:IfcGeometricProjectionEnum

<xs:simpleType name="IfcGeometricProjectionEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="graph_view"/>
    <xs:enumeration value="sketch_view"/>
    <xs:enumeration value="model_view"/>
    <xs:enumeration value="plan_view"/>
    <xs:enumeration value="reflected_plan_view"/>
    <xs:enumeration value="section_view"/>
    <xs:enumeration value="elevation_view"/>
    <xs:enumeration value="userdefined"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>