.. _exhale_define__ifc4x1-definitions_8h_1aeb00fb1d0503a523a46ff1b2feb7f8e8:

Define SCHEMA_IfcCoordinateReferenceSystem_VerticalDatum_IS_OPTIONAL
====================================================================

- Defined in :ref:`file_src_ifcparse_Ifc4x1-definitions.h`


Define Documentation
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.. doxygendefine:: SCHEMA_IfcCoordinateReferenceSystem_VerticalDatum_IS_OPTIONAL