IfcMaterialClassificationRelationship

Item	SPF	XML	Change	Description
IFC2x3 to IFC4
IfcMaterialClassificationRelationship
MaterialClassifications	X	X	MODIFIED	Type changed from IfcClassificationNotationSelect to IfcClassificationSelect.

Semantic definitions at the entity

Entity definition

IfcMaterialClassificationRelationship is a relationship assigning classifications to materials.

HISTORY New entity in IFC2x.

IFC4 CHANGE The entity IfcMaterialClassificationRelationship is deprecated since IFC4 and shall no longer be used. Use IfcExternalReferenceRelationship instead.

Attribute definitions

#	Attribute	Type	Cardinality	Description	G
1	MaterialClassifications	IfcClassificationSelect	S[1:?]	The material classifications identifying the type of material.	X
2	ClassifiedMaterial	IfcMaterial		Material being classified.	X

Inherited definitions from supertypes

Entity inheritance

Attribute inheritance

#	Attribute	Type	Cardinality	Description	G
IfcMaterialClassificationRelationship
1	MaterialClassifications	IfcClassificationSelect	S[1:?]	The material classifications identifying the type of material.	X
2	ClassifiedMaterial	IfcMaterial		Material being classified.	X

Formal representations

XML Specification

 <xs:element name="IfcMaterialClassificationRelationship" type="ifc:IfcMaterialClassificationRelationship" substitutionGroup="ifc:Entity" nillable="true"/>

 <xs:complexType name="IfcMaterialClassificationRelationship">

  <xs:complexContent>

   <xs:extension base="ifc:Entity">

    <xs:sequence>

     <xs:element name="MaterialClassifications">

      <xs:complexType>

       <xs:group ref="ifc:IfcClassificationSelect" maxOccurs="unbounded"/>

       <xs:attribute ref="ifc:itemType" fixed="ifc:IfcClassificationSelect"/>

       <xs:attribute ref="ifc:cType" fixed="set"/>

       <xs:attribute ref="ifc:arraySize" use="optional"/>

      </xs:complexType>

     </xs:element>

     <xs:element name="ClassifiedMaterial" type="ifc:IfcMaterial" nillable="true"/>

    </xs:sequence>

   </xs:extension>

  </xs:complexContent>

 </xs:complexType>

EXPRESS Specification


ENTITY IfcMaterialClassificationRelationship;

  MaterialClassifications : SET [1:?] OF IfcClassificationSelect;

  ClassifiedMaterial : IfcMaterial;

END_ENTITY;

 EXPRESS-G diagram

	Materialklassifikation - Relation
	Material Classification Relationship
	Assignation de classification à un matériau