Class TIfcDoorLiningProperties

Unit

Declaration

type TIfcDoorLiningProperties = class(TIfcPreDefinedPropertySet)

Description

IFC class IfcDoorLiningProperties.

Source: scene/load/ifc/castleifc_ifc_standard_types_autogenerated.inc (line 2451).

Hierarchy

Show Additional Members:

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.

Source: scene/load/ifc/castleifc_ifc_types.inc (line 56).

Protected function WantsGlobalId: Boolean; override;

This item is declared in ancestor TIfcRoot.

This item has no description. Showing description inherited from TIfcPersistent.WantsGlobalId.

If True, instances of this class will have GlobalId auto-assigned at saving, and they will be saved as part of the "data" list in IFC JSON files.

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 WantsGlobalId = True to save some files.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1656).

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 1950).

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 1951).

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 GlobalId to be successfully saved (avoid recursively trying to serialize it) in some cases. We indicate such classes with WantsGlobalId.

IFC JSON documentation says this, which seems to (unfortunately it is not unambiguous enough...) allow this at any IFC class: "Whereas the globalId attribute is only available to those elements that are descendent of the IfcRoot entity in the EXPRESS schema, we encourage a broader use of this globalId, to enable referencing between objects in a JSON file when useful.".

Source: scene/load/ifc/castleifc_ifc_types.inc (line 79).

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 1659).

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 1661).

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 1662).

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 1785).

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 1790).

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 1954).

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 1959).

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 1965).


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