CFx SDK Documentation 2026 SP0
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OdIfc2x2_final::IfcVirtualElement Class Reference

#include <IfcVirtualElementAutoImpl.h>

Inheritance diagram for OdIfc2x2_final::IfcVirtualElement:
OdIfc2x2_final::IfcElement OdIfc2x2_final::IfcProduct OdIfc2x2_final::IfcObject OdIfc2x2_final::IfcRoot OdIfc2x2_final::OdIfc2x2_FinalInstance OdIfc::OdIfcInstance

Public Member Functions

virtual OdDAI::Entity * getInstanceType () const override
 
virtual bool isKindOf (OdIfc::OdIfcEntityType entityType) const override
 
virtual OdIfc::OdIfcEntityType type () const override
 
- Public Member Functions inherited from OdIfc2x2_final::IfcElement
const OdAnsiString & getTag () const
 
void setTag (const OdAnsiString &Tag)
 
void getInvFillsVoids (OdDAIObjectIds &FillsVoids) const
 
void getInvConnectedTo (OdDAIObjectIds &ConnectedTo) const
 
void getInvHasCoverings (OdDAIObjectIds &HasCoverings) const
 
void getInvHasProjections (OdDAIObjectIds &HasProjections) const
 
void getInvHasPorts (OdDAIObjectIds &HasPorts) const
 
void getInvHasOpenings (OdDAIObjectIds &HasOpenings) const
 
void getInvIsConnectionRealization (OdDAIObjectIds &IsConnectionRealization) const
 
void getInvProvidesBoundaries (OdDAIObjectIds &ProvidesBoundaries) const
 
void getInvConnectedFrom (OdDAIObjectIds &ConnectedFrom) const
 
void getInvContainedInStructure (OdDAIObjectIds &ContainedInStructure) const
 
 IfcElement ()
 
virtual OdResult inFields (OdDAI::OdSpfFilerBase *rdFiler) override
 
virtual OdResult outFields (OdDAI::OdSpfFilerBase *wrFiler) override
 
virtual OdRxValue getAttr (const char *attrName) 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 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 OdIfc2x2_final::IfcProduct
const OdDAIObjectId & getObjectPlacement () const
 
void setObjectPlacement (const OdDAIObjectId &ObjectPlacement)
 
const OdDAIObjectId & getRepresentation () const
 
void setRepresentation (const OdDAIObjectId &Representation)
 
void getInvReferencedBy (OdDAIObjectIds &ReferencedBy) const
 
- Public Member Functions inherited from OdIfc2x2_final::IfcObject
const OdAnsiString & getObjectType () const
 
void setObjectType (const OdAnsiString &ObjectType)
 
void getInvIsDefinedBy (OdDAIObjectIds &IsDefinedBy) const
 
void getInvHasAssociations (OdDAIObjectIds &HasAssociations) const
 
void getInvHasAssignments (OdDAIObjectIds &HasAssignments) const
 
void getInvDecomposes (OdDAIObjectIds &Decomposes) const
 
void getInvIsDecomposedBy (OdDAIObjectIds &IsDecomposedBy) const
 
 IfcObject ()
 
- Public Member Functions inherited from OdIfc2x2_final::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 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
 

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 Attributes inherited from OdIfc2x2_final::IfcElement
OdAnsiString m_Tag
 
- Protected Attributes inherited from OdIfc2x2_final::IfcProduct
OdDAIObjectId m_ObjectPlacement
 
OdDAIObjectId m_Representation
 
- Protected Attributes inherited from OdIfc2x2_final::IfcObject
OdAnsiString m_ObjectType
 
- Protected Attributes inherited from OdIfc2x2_final::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
 

Detailed Description

A virtual element is a special element used to provide imaginary boundaries, such as between two adjacent, but not separated, spaces.

  • Details - Virtual elements are usually not displayed and does not have quantities and other measures. Therefore IfcVirtualElement does not have material information and quantities attached.

Uses of IfcVirtualElement include: An imaginary boundary such as between two adjacent, but not separated, spaces. The IfcVirtualElement can provide the 2D curve or 3D surface representation of the virtual space connection and is referenced by two instances of IfcRelSpaceBoundary, each pointing to one of the two adjacent IfcSpaces. The boundary is exchanged using PredefinedType = BOUNDARY. A provision for voids. Such as where a particular volume of space is requested by an engineering function that might later be accepted or rejected. If accepted it is transformed into a void within a building element, like a wall opening, or a slab opening. The provision for voids is exchanged using the PredefinedType = PROVISIONFORVOID. Typically, it uses a swept solid geometry, where the profile of the swept solid lies on/near the surface of the referred building element and the extrusion depths is equal to or bigger than (in case of round or otherwise irregular element shape) the thickness of the building element. The appropriate Pset_ProvisionForVoid property set should be attached. A clearance space. Typically, a placeholder for the necessary space allocation for future designed elements, such as mechanical equipment that will be determined in a later design phase. The clearance is exchanged using the PredefinedType = CLEARANCE.

The image below describes how to use IfcRelSpaceBoundary in conjunction with IfcVirtualElement to define space boundaries.

<IMAGE ifcvirtualelement_spaceboundaries>

Definition at line 64 of file Ifc2x2_Final/IfcVirtualElementAutoImpl.h.

Member Function Documentation

◆ getInstanceType()

virtual OdDAI::Entity * OdIfc2x2_final::IfcVirtualElement::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 OdIfc2x2_final::IfcElement.

◆ isKindOf()

virtual bool OdIfc2x2_final::IfcVirtualElement::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 OdIfc2x2_final::IfcElement.

◆ type()

virtual OdIfc::OdIfcEntityType OdIfc2x2_final::IfcVirtualElement::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 OdIfc2x2_final::IfcElement.


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