 | Weist Steuerung / Regelung / Einschränkung zu - Relation |
 | Rel Assigns To Control |
 | Assignation à contrôle |
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 |
|---|---|---|---|---|
| IfcRelAssignsToControl | ||||
| OwnerHistory | MODIFIED | Instantiation changed to OPTIONAL. |
The objectified relationship IfcRelAssignsToControl handles the assignment of a control (represented by subtypes of IfcControl) to other objects (represented by subtypes of IfcObject, with the exception of controls).
EXAMPLE The assignment of a performance history (as subtype of IfcControl) for a building service element (as subtype of IfcObject) is an application of this generic relationship.
HISTORY New entity in IFC2.0.
IFC2x CHANGE Entity has been renamed from IfcRelControls.
| # | Attribute | Type | Cardinality | Description | G |
|---|---|---|---|---|---|
| 7 | RelatingControl | IfcControl | Reference to the IfcControl that applies a control upon objects. | X |
| Rule | Description |
|---|---|
| NoSelfReference | The instance to with the relation points shall not be contained in the set of RelatedObjects. |
| # | Attribute | Type | Cardinality | Description | G |
|---|---|---|---|---|---|
| IfcRoot | |||||
| 1 | GlobalId | IfcGloballyUniqueId | Assignment of a globally unique identifier within the entire software world. | X | |
| 2 | OwnerHistory | IfcOwnerHistory | ? |
Assignment of the information about the current ownership of that object, including owning actor, application, local identification and information captured about the recent changes of the object,
NOTE only the last modification in stored - either as addition, deletion or modification. IFC4 CHANGE The attribute has been changed to be OPTIONAL. | X |
| 3 | Name | IfcLabel | ? | Optional name for use by the participating software systems or users. For some subtypes of IfcRoot the insertion of the Name attribute may be required. This would be enforced by a where rule. | X |
| 4 | Description | IfcText | ? | Optional description, provided for exchanging informative comments. | X |
| IfcRelationship | |||||
| IfcRelAssigns | |||||
| 5 | RelatedObjects | IfcObjectDefinition | S[1:?] | Related objects, which are assigned to a single object. The type of the single (or relating) object is defined in the subtypes of IfcRelAssigns. | X |
| 6 | RelatedObjectsType | IfcObjectTypeEnum | ? |
Particular type of the assignment relationship. It can constrain the applicable object types, used within the role of RelatedObjects.
IFC4 CHANGE The attribute is deprecated and shall no longer be used. A NIL value should always be assigned. | X |
| IfcRelAssignsToControl | |||||
| 7 | RelatingControl | IfcControl | Reference to the IfcControl that applies a control upon objects. | X | |
| # | Concept | Template | Model View |
|---|---|---|---|
| IfcRoot | |||
| Identity | Software Identity | General Usage | |
| Revision Control | Revision Control | General Usage | |
<xs:element name="IfcRelAssignsToControl" type="ifc:IfcRelAssignsToControl" substitutionGroup="ifc:IfcRelAssigns" nillable="true"/>
<xs:complexType name="IfcRelAssignsToControl">
<xs:complexContent>
<xs:extension base="ifc:IfcRelAssigns">
<xs:sequence>
<xs:element name="RelatingControl" type="ifc:IfcControl" nillable="true"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
ENTITY IfcRelAssignsToControl
SUBTYPE OF (IfcRelAssigns);
RelatingControl : IfcControl;
WHERE
NoSelfReference : SIZEOF(QUERY(Temp <* SELF\IfcRelAssigns.RelatedObjects | RelatingControl :=: Temp)) = 0;
END_ENTITY;
References: IfcControl
EXPRESS-G diagram
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