#### 5.4.3.5 IfcDistributionElementType

| Type d'élément de distribution
| haustechnische Komponente (allgemein) - Typ

The IfcDistributionElementType defines a list of commonly shared property set definitions of an element and an optional set of product representations. It is used to define an element specification (i.e. the specific product information, that is common to all occurrences of that product type).

> NOTE The product representations are defined as representation maps (at the level of the supertype IfcTypeProduct, which gets assigned by an element occurrence instance through the IfcShapeRepresentation.Item[1] being an IfcMappedItem.

A distribution element type is used to define the common properties of a certain type of a distribution element that may be applied to many instances of that feature type to assign a specific style. Distribution element types (or the instantiable subtypes) may be exchanged without being already assigned to occurrences.

The occurrences of the IfcDistributionElementType are represented by instances of IfcDistributionElement (or its subtypes).

> HISTORY New entity in IFC2x2.

> IFC2x3 CHANGE The entity has been made non-abstract

> IFC4 CHANGE The entity is marked as deprecated for instantiation - will be made ABSTRACT in future releases.

XSD Specification:

<xs:element name="IfcDistributionElementType" type="ifc:IfcDistributionElementType" substitutionGroup="ifc:IfcElementType" nillable="true"/>
<xs:complexType name="IfcDistributionElementType">
<xs:complexContent>
<xs:extension base="ifc:IfcElementType"/>
</xs:complexContent>
</xs:complexType>

EXPRESS Specification:

ENTITY IfcDistributionElementType

| SUPERTYPE OF(IfcDistributionFlowElementType)

| SUBTYPE OF (IfcElementType);

END_ENTITY;

Inheritance Graph:

ENTITY IfcDistributionElementType

| ENTITY IfcRoot

GlobalId | : | IfcGloballyUniqueId;
OwnerHistory | : | OPTIONAL IfcOwnerHistory;
Name | : | OPTIONAL IfcLabel;
Description | : | OPTIONAL IfcText;

| ENTITY IfcObjectDefinition

| INVERSE

HasAssignments | : | SET OF IfcRelAssigns FOR RelatedObjects;
Nests | : | SET [0:1] OF IfcRelNests FOR RelatedObjects;
IsNestedBy | : | SET OF IfcRelNests FOR RelatingObject;
HasContext | : | SET [0:1] OF IfcRelDeclares FOR RelatedDefinitions;
IsDecomposedBy | : | SET OF IfcRelAggregates FOR RelatingObject;
Decomposes | : | SET [0:1] OF IfcRelAggregates FOR RelatedObjects;
HasAssociations | : | SET OF IfcRelAssociates FOR RelatedObjects;

| ENTITY IfcTypeObject

ApplicableOccurrence | : | OPTIONAL IfcStrippedOptional;
HasPropertySets | : | OPTIONAL SET [1:?] OF IfcPropertySetDefinition;

| INVERSE

Types | : | SET [0:1] OF IfcRelDefinesByType FOR RelatingType;

| ENTITY IfcTypeProduct

RepresentationMaps | : | OPTIONAL LIST [1:?] OF UNIQUE IfcStrippedOptional;
Tag | : | OPTIONAL IfcStrippedOptional;

| INVERSE

ReferencedBy | : | SET OF IfcRelAssignsToProduct FOR RelatingProduct;

| ENTITY IfcElementType

ElementType | : | OPTIONAL IfcStrippedOptional;

| ENTITY IfcDistributionElementType

END_ENTITY;

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