.. _exhale_define__ifc2x3-definitions_8h_1a4b4a8c639bb2778e3abb0bebf6b2ea59:

Define SCHEMA_IfcOpticalMaterialProperties_SolarTransmittance_IS_OPTIONAL
=========================================================================

- Defined in :ref:`file_src_ifcparse_Ifc2x3-definitions.h`


Define Documentation
--------------------


.. doxygendefine:: SCHEMA_IfcOpticalMaterialProperties_SolarTransmittance_IS_OPTIONAL