Class TIfcPreDefinedPropertySet
Unit
Declaration
type TIfcPreDefinedPropertySet = class abstract(TIfcPropertySetDefinition)
Description
IFC class IfcPreDefinedPropertySet.
Source: scene/load/ifc/castleifc_ifc_standard_types_autogenerated.inc (line 251).
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcRoot
- TIfcDefinitionSelect
- TIfcPropertyDefinition
- TIfcPropertySetDefinition
- TIfcPreDefinedPropertySet
Overview
Methods
| Protected | class function IfcClassName: String; virtual; |
| Protected | function WantsGlobalId: Boolean; override; |
| Public | constructor Create(AOwner: TComponent); override; |
| Public | destructor Destroy; override; |
Properties
| Published | property GlobalId: String read FGlobalId write FGlobalId; |
| Published | property OwnerHistory: TIfcOwnerHistory read FOwnerHistory write FOwnerHistory; |
| Published | property Name: TIfcLabel read FName write FName; |
| Published | property Description: TIfcText read FDescription write FDescription; |
| Published | property HasContext: TIfcRelDeclares read FHasContext write FHasContext; |
| Published | property HasAssociations: TIfcRelAssociatesList read FHasAssociations; |
| Published | property DefinesType: TIfcTypeObjectList read FDefinesType; |
| Published | property IsDefinedBy: TIfcRelDefinesByTemplateList read FIsDefinedBy; |
| Published | property DefinesOccurrence: TIfcRelDefinesByPropertiesList read FDefinesOccurrence; |
Description
Methods
| 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. | |
| Protected | function WantsGlobalId: Boolean; override; |
|
This item is declared in ancestor TIfcRoot. This item has no description. Showing description inherited from TIfcPersistent.WantsGlobalId.
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 Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1675). | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item is declared in ancestor TIfcPropertySetDefinition. This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1969). | |
| Public | destructor Destroy; override; |
|
This item is declared in ancestor TIfcPropertySetDefinition. This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1970). | |
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 OwnerHistory: TIfcOwnerHistory read FOwnerHistory write FOwnerHistory; |
|
This item is declared in ancestor TIfcRoot. Information about the current ownership of that object. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1678). | |
| Published | property Name: TIfcLabel read FName write FName; |
|
This item is declared in ancestor TIfcRoot. This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1680). | |
| Published | property Description: TIfcText read FDescription write FDescription; |
|
This item is declared in ancestor TIfcRoot. This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1681). | |
| Published | property HasContext: TIfcRelDeclares read FHasContext write FHasContext; |
|
This item is declared in ancestor TIfcPropertyDefinition. Reference to the relationship IfcRelDeclares and thus to the IfcProject or IfcProjectLibrary. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1804). | |
| Published | property HasAssociations: TIfcRelAssociatesList read FHasAssociations; |
|
This item is declared in ancestor TIfcPropertyDefinition. Reference to the relationship IfcRelAssociates and thus to those externally defined concepts, like classifications, documents, or library information, which are associated to the property definition. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1809). | |
| Published | property DefinesType: TIfcTypeObjectList read FDefinesType; |
|
This item is declared in ancestor TIfcPropertySetDefinition. The type object to which the property set is assigned. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1973). | |
| Published | property IsDefinedBy: TIfcRelDefinesByTemplateList read FIsDefinedBy; |
|
This item is declared in ancestor TIfcPropertySetDefinition. Relation to the property set template, via the objectified relationship IfcRelDefinesByTemplate, that, if given, provides the definition template for the property set or quantity set and its properties. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1978). | |
| Published | property DefinesOccurrence: TIfcRelDefinesByPropertiesList read FDefinesOccurrence; |
|
This item is declared in ancestor TIfcPropertySetDefinition. Reference to the relation to one or many object occurrences that are characterized by the property set definition. A single property set can be assigned to multiple object occurrences using the objectified relationship IfcRefDefinesByProperties. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1984). | |
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