Class TIfcLibraryReference
Unit
Declaration
type TIfcLibraryReference = class(TIfcExternalReference)
Description
IFC class IfcLibraryReference.
Source: scene/load/ifc/castleifc_ifc_standard_types_autogenerated.inc (line 581).
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcExternalReference
- TIfcLibraryReference
Overview
Methods
| Protected | function WantsGlobalId: Boolean; virtual; |
| Protected | class function IfcClassName: String; virtual; |
| Public | constructor Create(AOwner: TComponent); override; |
| Public | destructor Destroy; override; |
Properties
| Published | property GlobalId: String read FGlobalId write FGlobalId; |
| Published | property Location: TIfcURIReference read FLocation write FLocation; |
| Published | property Identification: TIfcIdentifier read FIdentification write FIdentification; |
| Published | property Name: TIfcLabel read FName write FName; |
| Published | property HasExternalReferenceForResources: TIfcExternalReferenceRelationshipList read FHasExternalReferenceForResources; |
Description
Methods
| Protected | function WantsGlobalId: Boolean; virtual; |
|
This item is declared in ancestor TIfcPersistent.
If Strictly following the spec, this should be only defined for TIfcRoot, because only IfcRoot has GlobalId. In reality, we need GlobalId at TIfcPersistent to load some files, and we sometimes need | |
| Protected | class function IfcClassName: String; virtual; |
|
This item is declared in ancestor TIfcPersistent. Name for the IFC standard, used in IFC files. By default, this is just ClassName with prefix 'T' removed. | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item is declared in ancestor TIfcExternalReference. This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1172). | |
| Public | destructor Destroy; override; |
|
This item is declared in ancestor TIfcExternalReference. This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1173). | |
Properties
| Published | property GlobalId: String read FGlobalId write FGlobalId; |
|
This item is declared in ancestor TIfcPersistent. Globally unique identifier for the object instance. Note: Not declared as TGUID, because TGUID cannot be published, but also we don't really need it: for our purposes, this identifier is just an arbitrary string. Note: IFC 4.3 specification puts this only at IfcRoot, not at every IFC class. But testcase https://github.com/buildingsmart-community/Community-Sample-Test-Files/blob/main/IFC%204.0.2.1%20(IFC%204)/ISO%20Spec%20archive/wall-with-opening-and-window.json (from IFC 4.0) shows this can be present at any IFC class, in particular TIfcGeometricRepresentationContext. In fact, TIfcGeometricRepresentationContext needs to have IFC JSON documentation says this, which seems to (unfortunately it is not unambiguous enough...) allow this at any IFC class: "Whereas the | |
| Published | property Location: TIfcURIReference read FLocation write FLocation; |
|
This item is declared in ancestor TIfcExternalReference. Location, where the external source (classification, document or library) can be accessed by electronic means. The electronic location is provided as an URI, and would normally be given as an URL location string. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1179). | |
| Published | property Identification: TIfcIdentifier read FIdentification write FIdentification; |
|
This item is declared in ancestor TIfcExternalReference. Unique identifier of the referenced item within the external source (classification, document or library). Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1183). | |
| Published | property Name: TIfcLabel read FName write FName; |
|
This item is declared in ancestor TIfcExternalReference. Optional name to further specify the reference. It can provide a human readable identifier (which does not necessarily need to have a counterpart in the internal structure of the document). Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1188). | |
| Published | property HasExternalReferenceForResources: TIfcExternalReferenceRelationshipList read FHasExternalReferenceForResources; |
|
This item is declared in ancestor TIfcExternalReference. Reference to all associations between this external reference and objects within the IfcResourceObjectSelect that are tagged by the external reference. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1193). | |
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