Defined in File Ifc4x1.h
IfcMaterialRelationship: public Ifc4x1::IfcResourceLevelRelationship¶
IfcMaterialRelationship defines a relationship between part and whole in material definitions (as in composite materials). The parts, expressed by the set of RelatedMaterials, are material constituents of which a single material aggregate is composed.
HISTORYNew Entity in IFC2x4
Reference to the relating material (the composite).
Reference to related materials (as constituents of composite material).
Whether the optional attribute Expression is defined for this IfcMaterialRelationship.
The amount of related material in the whole (composite material or material set). Expressed as proportion (percentage) of weight or volume, or as any other appropriate value.
- ::Ifc4x1::IfcMaterial *