Class TIfcQuantitySet
Unit
Declaration
type TIfcQuantitySet = class abstract(TIfcPropertySetDefinition)
Description
IFC class IfcQuantitySet.
Source: scene/load/ifc/castleifc_ifc_standard_types_autogenerated.inc (line 266).
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcRoot
- TIfcDefinitionSelect
- TIfcPropertyDefinition
- TIfcPropertySetDefinition
- TIfcQuantitySet
Overview
Methods
| Protected | function WantsGlobalId: Boolean; virtual; |
| Protected | class function IfcClassName: String; virtual; |
| Protected | function WantsGlobalId: Boolean; override; |
| Public | constructor Create(AOwner: TComponent); override; |
| Public | destructor Destroy; 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 | function WantsGlobalId: Boolean; virtual; |
|
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; |
|
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 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 1656). | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1780). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1781). | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1950). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1951). | |
Properties
| Published | property GlobalId: String read FGlobalId write FGlobalId; |
|
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; |
|
Information about the current ownership of that object. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1659). | |
| Published | property Name: TIfcLabel read FName write FName; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1661). | |
| Published | property Description: TIfcText read FDescription write FDescription; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1662). | |
| Published | property HasContext: TIfcRelDeclares read FHasContext write FHasContext; |
|
Reference to the relationship IfcRelDeclares and thus to the IfcProject or IfcProjectLibrary. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1785). | |
| Published | property HasAssociations: TIfcRelAssociatesList read FHasAssociations; |
|
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 1790). | |
| Published | property DefinesType: TIfcTypeObjectList read FDefinesType; |
|
The type object to which the property set is assigned. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1954). | |
| Published | property IsDefinedBy: TIfcRelDefinesByTemplateList read FIsDefinedBy; |
|
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 1959). | |
| Published | property DefinesOccurrence: TIfcRelDefinesByPropertiesList read FDefinesOccurrence; |
|
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 1965). | |
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