CFx SDK Documentation 2026 SP0
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OdIfc4x4::IfcDistributionSystem Class Reference

#include <IfcDistributionSystemAutoImpl.h>

Inheritance diagram for OdIfc4x4::IfcDistributionSystem:
OdIfc4x4::IfcSystem OdIfc4x4::IfcGroup OdIfc4x4::IfcObject OdIfc4x4::IfcObjectDefinition OdIfc4x4::IfcRoot OdIfc4x4::OdIFC4X4Instance OdIfc::OdIfcInstance OdIfc4x4::IfcDistributionCircuit

Public Member Functions

const OdAnsiString & getLongName () const
 
void setLongName (const OdAnsiString &LongName)
 
IfcDistributionSystemEnum getPredefinedType () const
 
void setPredefinedType (IfcDistributionSystemEnum PredefinedType)
 
 IfcDistributionSystem ()
 
virtual OdResult inFields (OdDAI::OdSpfFilerBase *rdFiler) override
 
virtual OdResult outFields (OdDAI::OdSpfFilerBase *wrFiler) override
 
virtual OdDAI::Entity * getInstanceType () const override
 
virtual OdRxValue getAttr (const char *attrName) const override
 
virtual bool comparedToEarlyImpl (const OdDAI::ApplicationInstance *pOther, OdRx::Ordering &ordering) const override
 
virtual void unsetAttr (const char *explicitAttrName) override
 
virtual bool testAttr (const char *explicitAttrName) const override
 
virtual bool putAttr (const char *explicitAttrName, const OdRxValue &val) override
 
virtual bool isKindOf (OdIfc::OdIfcEntityType entityType) const override
 
virtual OdIfc::OdIfcEntityType type () const override
 
virtual OdRxValue getAttr (const OdIfc::OdIfcAttribute attrDef) const override
 
virtual void unsetAttr (const OdIfc::OdIfcAttribute explicitAttrDef) override
 
virtual bool testAttr (const OdIfc::OdIfcAttribute explicitAttrDef) const override
 
virtual bool putAttr (const OdIfc::OdIfcAttribute explicitAttrDef, const OdRxValue &val) override
 
- Public Member Functions inherited from OdIfc4x4::IfcSystem
void getInvServicesBuildings (OdDAIObjectIds &ServicesBuildings) const
 
void getInvServicesFacilities (OdDAIObjectIds &ServicesFacilities) const
 
- Public Member Functions inherited from OdIfc4x4::IfcGroup
void getInvIsGroupedBy (OdDAIObjectIds &IsGroupedBy) const
 
void getInvReferencedInStructures (OdDAIObjectIds &ReferencedInStructures) const
 
- Public Member Functions inherited from OdIfc4x4::IfcObject
const OdAnsiString & getObjectType () const
 
void setObjectType (const OdAnsiString &ObjectType)
 
void getInvIsDeclaredBy (OdDAIObjectIds &IsDeclaredBy) const
 
void getInvDeclares (OdDAIObjectIds &Declares) const
 
void getInvIsTypedBy (OdDAIObjectIds &IsTypedBy) const
 
void getInvIsDefinedBy (OdDAIObjectIds &IsDefinedBy) const
 
 IfcObject ()
 
- Public Member Functions inherited from OdIfc4x4::IfcObjectDefinition
void getInvHasAssignments (OdDAIObjectIds &HasAssignments) const
 
void getInvNests (OdDAIObjectIds &Nests) const
 
void getInvIsNestedBy (OdDAIObjectIds &IsNestedBy) const
 
void getInvHasContext (OdDAIObjectIds &HasContext) const
 
void getInvIsDecomposedBy (OdDAIObjectIds &IsDecomposedBy) const
 
void getInvDecomposes (OdDAIObjectIds &Decomposes) const
 
void getInvHasAssociations (OdDAIObjectIds &HasAssociations) const
 
- Public Member Functions inherited from OdIfc4x4::IfcRoot
OdDAI::CompressedGUID getGlobalId () const
 
void setGlobalId (OdDAI::CompressedGUID GlobalId)
 
const OdDAIObjectId & getOwnerHistory () const
 
void setOwnerHistory (const OdDAIObjectId &OwnerHistory)
 
const OdAnsiString & getName () const
 
void setName (const OdAnsiString &Name)
 
const OdAnsiString & getDescription () const
 
void setDescription (const OdAnsiString &Description)
 
 IfcRoot ()
 
- Public Member Functions inherited from OdIfc4x4::OdIFC4X4Instance
void setInverseCounterParts () override
 
- Public Member Functions inherited from OdIfc::OdIfcInstance
 ODRX_DECLARE_MEMBERS (OdIfcInstance)
 
 OdIfcInstance ()
 
 ~OdIfcInstance ()
 
bool isInstanceOf (OdIfcEntityType entityType) const
 
IfcOpResult resolved ()
 
void resolve (IfcOpResult resolved, void *resPtr)
 
void unresolve ()
 
virtual void setGsNode (OdGsCache *pGsNode)
 
virtual OdGsCachegsNode () const
 
virtual OdUInt32 subSetAttributes (OdGiDrawableTraits *traits) const
 
virtual bool subWorldDraw (OdGiWorldDraw *wd) const
 
virtual OdDbStub * ownerId () const
 

Protected Attributes

OdAnsiString m_LongName
 
OdDAI::Enum m_PredefinedType
 
- Protected Attributes inherited from OdIfc4x4::IfcObject
OdAnsiString m_ObjectType
 
- Protected Attributes inherited from OdIfc4x4::IfcRoot
OdDAI::CompressedGUID m_GlobalId
 
OdDAIObjectId m_OwnerHistory
 
OdAnsiString m_Name
 
OdAnsiString m_Description
 
- Protected Attributes inherited from OdIfc::OdIfcInstance
voidm_resPtr
 
IfcOpResult m_resolved
 

Additional Inherited Members

- Static Public Member Functions inherited from OdIfc::OdIfcInstance
static const OdGePoint3dasPoint3d (const OdIfcInstance *inst)
 
static const OdGePoint2dasPoint2d (const OdIfcInstance *inst)
 
static const OdGeVector3dasVector3d (const OdIfcInstance *inst)
 
static const OdGeVector2dasVector2d (const OdIfcInstance *inst)
 
static const OdGeMatrix2dasMatrix2d (const OdIfcInstance *inst)
 
static const OdGeMatrix3dasMatrix3d (const OdIfcInstance *inst)
 
static OdIfcCompoundPtr asCompound (OdSmartPtr< OdIfcInstance > inst)
 
static const OdCmEntityColorasRgbColor (const OdIfcInstance *inst)
 
- Protected Member Functions inherited from OdIfc4x4::IfcSystem
virtual OdRxValue getAttr (const char *attrName) const override
 
virtual bool putAttr (const char *explicitAttrName, const OdRxValue &val) override
 

Detailed Description

A distribution system is a network designed to receive, store, maintain, distribute, or control the flow of a distribution media. A common example is a heating hot water system that consists of a pump, a tank, and an interconnected piping system for distributing hot water to terminals.

The group IfcDistributionSystem defines the occurrence of a specialized system for use within the context of building services or utilities for built facilities. Important functionalities for the description of a distribution system are derived from existing IFC entities: From IfcSystem it inherits the ability to couple the built system via IfcRelReferencedInSpatialStructure to one or more IfcSpatialElement subtypes as necessary. From IfcGroup it inherits the inverse attribute IsGroupedBy, pointing to the relationship class IfcRelAssignsToGroup. This allows the grouping of distribution elements (instances of IfcDistributionElement subtypes). From IfcObjectDefinition it inherits the inverse attribute IsDecomposedBy pointing to the relationship class IfcRelAggregates. It provides the hierarchy between the separate (partial) distribution systems. For example, an electrical main circuit can be aggregated into branch circuits.

  • Property Sets for Objects - The Property Sets for Objects concept template applies to this entity under Pset_DistributionSystemCommon name as shown in table below:
    Template

PropertyName Value Single value AssetAccountingType IfcBoolean

  • Group Assignment - The Group Assignment concept template applies to this entity as shown in table below.
    IsGrouped

RelatedObjects Description Physical elements that comprise the asset.


For the most common case of an IfcDistributionElement subtype containing ports of a particular PredefinedType that all belong to the same distribution system, the IfcDistributionElement is assigned to the IfcDistributionSystem via the IfcRelAssignsToGroup relationship, where IfcDistributionPort's are implied as part of the corresponding system based on their PredefinedType. An IfcDistributionElement can belong to multiple systems, however only one IfcDistributionSystem of a particular PredefinedType.

EXAMPLE: A gas-powered hot water heater can have three ports: GAS, DOMESTICCOLDWATER, and DOMESTICHOTWATER. The heater is a member of two systems (GAS and DOMESTICCOLDWATER), and hosts one system (DOMESTICHOTWATER) at the corresponding port.

The next image illustrates a distribution system for an electrical circuit.

<IMAGE ifcdistributionsystem-01>

\changes

IFC4 changes: For electrical power systems, IfcElectricalCircuit has been used for low-voltage (12-1000 V) power circuits and has been replaced by IfcDistributionCircuit in IFC4; IfcDistributionSystem with PredefinedType 'ELECTRICAL' should be used for overall power systems, and IfcDistributionCircuit with PredefinedType 'ELECTRICAL' should be used for each switched circuit.

Definition at line 82 of file IFC4X4/IfcDistributionSystemAutoImpl.h.

Constructor & Destructor Documentation

◆ IfcDistributionSystem()

OdIfc4x4::IfcDistributionSystem::IfcDistributionSystem ( )

Default constructor for the IfcDistributionSystem class.

Member Function Documentation

◆ comparedToEarlyImpl()

virtual bool OdIfc4x4::IfcDistributionSystem::comparedToEarlyImpl ( const OdDAI::ApplicationInstance * pOther,
OdRx::Ordering & ordering ) const
overridevirtual

Early-bound version of instances comparison.

Parameters
pOther[in] Other application instance.
ordering[out] Receives the ordering (comparison) status.
Returns
true if comparison was performed, false if method has no implementation, so late-bound version could be applied.
Remarks
If the method returns true, the ordering parameter can receive one of the following statuses:
Value Description kLessThan -1 This object < Other Object. kEqual 0 This object = Other Object. kGreaterThan 1 This object > Other Object. kNotOrderable 2 This class is not orderable.

Reimplemented from OdIfc4x4::IfcSystem.

Reimplemented in OdIfc4x4::IfcDistributionCircuit.

◆ getAttr() [1/2]

virtual OdRxValue OdIfc4x4::IfcDistributionSystem::getAttr ( const char * attrName) const
overridevirtual

Returns an attribute value for the specified attribute name.

Parameters
attrName[in] Name of an attribute to query.
Returns
OdRxValue object that represents a generic variant type value.

Reimplemented from OdIfc4x4::IfcObject.

◆ getAttr() [2/2]

virtual OdRxValue OdIfc4x4::IfcDistributionSystem::getAttr ( const OdIfc::OdIfcAttribute attrDef) const
overridevirtual

Returns an attribute value for the specified attribute definition.

Parameters
attrDef[in] Attribute definition to query.
Returns
OdRxValue object that represents a generic variant type value.

Reimplemented from OdIfc4x4::IfcSystem.

◆ getInstanceType()

virtual OdDAI::Entity * OdIfc4x4::IfcDistributionSystem::getInstanceType ( ) const
overridevirtual

Returns a type of a class instance.

Returns
Pointer to the <exref target=https://docs.opendesign.com/tkernel_api_cpp/OdDAI__Entity.html>>OdDAI::Entity</exref> type that determines an entity definition within a schema.

Reimplemented from OdIfc4x4::IfcSystem.

Reimplemented in OdIfc4x4::IfcDistributionCircuit.

◆ getLongName()

const OdAnsiString & OdIfc4x4::IfcDistributionSystem::getLongName ( ) const

Returns the value of LongName attribute. This attribute represents long name for a distribution system, used for informal purposes. It should be used, if available, in conjunction with the inherited Name attribute.

Returns
Returns the value of LongName attribute.
Remarks
In many scenarios the Name attribute refers to the short name or number of a distribution system or branch circuit, and the LongName refers to a descriptive name.

◆ getPredefinedType()

IfcDistributionSystemEnum OdIfc4x4::IfcDistributionSystem::getPredefinedType ( ) const

Returns the value of PredefinedType attribute. This attribute represents predefined types of distribution systems.

Returns
Returns the value of PredefinedType attribute.

◆ inFields()

virtual OdResult OdIfc4x4::IfcDistributionSystem::inFields ( OdDAI::OdSpfFilerBase * rdFiler)
overridevirtual

Reads object's data from the specified filer.

Parameters
rdFiler[in] Pointer to a filer from which to read the data.
Returns
A value of OdResult type that contains the result of the method execution.

Reimplemented from OdIfc4x4::IfcSystem.

◆ isKindOf()

virtual bool OdIfc4x4::IfcDistributionSystem::isKindOf ( OdIfc::OdIfcEntityType entityType) const
overridevirtual

Checks whether the specified instance is the object derived from or belongs to this class.

Parameters
entityType[in] Entity to check.
Returns
true if the specified instance is the object derived from or belongs to this class, false otherwise.

Reimplemented from OdIfc4x4::IfcSystem.

Reimplemented in OdIfc4x4::IfcDistributionCircuit.

◆ outFields()

virtual OdResult OdIfc4x4::IfcDistributionSystem::outFields ( OdDAI::OdSpfFilerBase * wrFiler)
overridevirtual

Writes object's data the the specified filer.

Parameters
wrFiler[in] Pointer to a filer to which to write the data.
Returns
A value of OdResult type that contains the result of the method execution.

Reimplemented from OdIfc4x4::IfcSystem.

◆ putAttr() [1/2]

virtual bool OdIfc4x4::IfcDistributionSystem::putAttr ( const char * explicitAttrName,
const OdRxValue & val )
overridevirtual

Sets the specified attribute with a given value.

Parameters
explicitAttrName[in] Explicit name of the attribute to set.
val[in] Value to set.
Returns
true if the value is successfully set for the specified attribute, false otherwise.

Reimplemented from OdIfc4x4::IfcObject.

◆ putAttr() [2/2]

virtual bool OdIfc4x4::IfcDistributionSystem::putAttr ( const OdIfc::OdIfcAttribute explicitAttrDef,
const OdRxValue & val )
overridevirtual

Sets the specified attribute with a given value.

Parameters
explicitAttrDef[in] Explicit attribute definition to set.
val[in] Value to set.
Returns
true if the value is successfully set for the specified attribute, false otherwise.

Reimplemented from OdIfc4x4::IfcSystem.

◆ setLongName()

void OdIfc4x4::IfcDistributionSystem::setLongName ( const OdAnsiString & LongName)

Sets the value of LongName attribute. This attribute represents long name for a distribution system, used for informal purposes. It should be used, if available, in conjunction with the inherited Name attribute.

Parameters
LongName[in] Long name to set.
Remarks
In many scenarios the Name attribute refers to the short name or number of a distribution system or branch circuit, and the LongName refers to a descriptive name.

◆ setPredefinedType()

void OdIfc4x4::IfcDistributionSystem::setPredefinedType ( IfcDistributionSystemEnum PredefinedType)

Sets the value of PredefinedType attribute. This attribute represents predefined types of distribution systems.

Parameters
PredefinedType[in] Predefined type to set.

◆ testAttr() [1/2]

virtual bool OdIfc4x4::IfcDistributionSystem::testAttr ( const char * explicitAttrName) const
overridevirtual

Checks whether the specified attribute is set.

Parameters
explicitAttrName[in] Explicit name of the attribute to test.
Returns
true if the specified attribute is set, false otherwise.

Reimplemented from OdIfc4x4::IfcSystem.

◆ testAttr() [2/2]

virtual bool OdIfc4x4::IfcDistributionSystem::testAttr ( const OdIfc::OdIfcAttribute explicitAttrDef) const
overridevirtual

Checks whether the specified attribute is set.

Parameters
explicitAttrDef[in] Attribute definition to test.
Returns
true if the specified attribute is set, false otherwise.

Reimplemented from OdIfc4x4::IfcSystem.

◆ type()

virtual OdIfc::OdIfcEntityType OdIfc4x4::IfcDistributionSystem::type ( ) const
overridevirtual

Returns the type of this entity.

Returns
A value of the <exref target=https://docs.opendesign.com/tkernel_api_cpp/OdIfc__OdIfcEntityType.html>>OdIfc::OdIfcEntityType</exref> type that represents type of this entity.

Reimplemented from OdIfc4x4::IfcSystem.

Reimplemented in OdIfc4x4::IfcDistributionCircuit.

◆ unsetAttr() [1/2]

virtual void OdIfc4x4::IfcDistributionSystem::unsetAttr ( const char * explicitAttrName)
overridevirtual

Resets a value for the specified attribute.

Parameters
explicitAttrName[in] Explicit name of the attribute to reset.

Reimplemented from OdIfc4x4::IfcSystem.

◆ unsetAttr() [2/2]

virtual void OdIfc4x4::IfcDistributionSystem::unsetAttr ( const OdIfc::OdIfcAttribute explicitAttrDef)
overridevirtual

Resets a value for the specified attribute.

Parameters
explicitAttrDef[in] Explicit definition that represents an attribute to reset.

Reimplemented from OdIfc4x4::IfcSystem.

Member Data Documentation

◆ m_LongName

OdAnsiString OdIfc4x4::IfcDistributionSystem::m_LongName
protected

Definition at line 263 of file IFC4X4/IfcDistributionSystemAutoImpl.h.

◆ m_PredefinedType

OdDAI::Enum OdIfc4x4::IfcDistributionSystem::m_PredefinedType
protected

Definition at line 264 of file IFC4X4/IfcDistributionSystemAutoImpl.h.


The documentation for this class was generated from the following file: