.. _exhale_define__ifc2x3-definitions_8h_1a3519fefcd558c90518df9f358790977a: Define SCHEMA_IfcOpticalMaterialProperties_VisibleTransmittance_IS_OPTIONAL =========================================================================== - Defined in :ref:`file_src_ifcparse_Ifc2x3-definitions.h` Define Documentation -------------------- .. doxygendefine:: SCHEMA_IfcOpticalMaterialProperties_VisibleTransmittance_IS_OPTIONAL