Class TIfcDoorType

Description
Hierarchy
Methods
Properties

Unit

CastleIfc

Declaration

type TIfcDoorType = class(TIfcBuiltElementType)

Description

Shared information for occurrences of doors.

Spec: https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcDoorType.htm

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4120).

Hierarchy

Show Additional Members:

Overview

Methods

Protected class function IfcClassName: String; virtual;
Protected function WantsGlobalId: Boolean; override;
Public function BuildNode(const Mapping: TCastleIfcMapping): TTransformNode; virtual;
Published procedure AddIsDecomposedBy(const ChildObject: TIfcObjectDefinition);
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 IsDecomposedBy: TIfcRelAggregatesList read FIsDecomposedBy;
Published property Decomposes: TIfcRelAggregatesList read FDecomposes;
Published property HasAssociations: TIfcRelAssociatesList read FHasAssociations;
Published property ApplicableOccurrence: TIfcIdentifier read FApplicableOccurrence write FApplicableOccurrence;
Published property HasPropertySets: TIfcPropertySetDefinitionList read FHasPropertySets;
Published property Types: TIfcRelDefinesByTypeList read FTypes;
Published property RepresentationMaps: TIfcRepresentationMapList read FRepresentationMaps;
Published property Tag: TIfcLabel read FTag write FTag;
Published property ElementType: TIfcLabel read FElementType write FElementType;
Published property PredefinedType: TIfcDoorTypeEnum read FPredefinedType write FPredefinedType default TIfcDoorTypeEnum.NotDefined;
Published property OperationType: TIfcDoorTypeOperationEnum read FOperationType write FOperationType default TIfcDoorTypeOperationEnum.NotDefined;
Published property ParameterTakesPrecedence: Boolean read FParameterTakesPrecedence write FParameterTakesPrecedence default false;
Published property UserDefinedOperationType: TIfcLabel read FUserDefinedOperationType write FUserDefinedOperationType;

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 function BuildNode(const Mapping: TCastleIfcMapping): TTransformNode; virtual;

This item is declared in ancestor TIfcObjectDefinition.

This item has no description.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1830).

Published procedure AddIsDecomposedBy(const ChildObject: TIfcObjectDefinition);

This item is declared in ancestor TIfcObjectDefinition.

Add given TIfcObjectDefinition instance to the IsDecomposedBy list of this object. Adds also new intermediate TIfcRelAggregates instance.

This shall be used to add top-level IfcSpatialStructureElement instances to the project, e.g.:

  • TIfcSite instance inside IfcProject,

  • IfcBuilding instance inside TIfcSite,

  • IfcBuildingStorey instance inside IfcBuilding

See also
TIfcSpatialElement.AddContainedElement
Add given Element (TIfcElement, descendant of TIfcProduct) to the ContainsElements list of this spatial element.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1873).

Public constructor Create(AOwner: TComponent); override;

This item is declared in ancestor TIfcTypeProduct.

FReferencedBy: TIfcRelAssignsToProductList;

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 2227).

Public destructor Destroy; override;

This item is declared in ancestor TIfcTypeProduct.

This item has no description.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 2228).

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 TIfcObjectDefinition.

References to the context providing context information such as project unit or representation context. It should only be asserted for the uppermost non-spatial object.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1847).

Published property IsDecomposedBy: TIfcRelAggregatesList read FIsDecomposedBy;

This item is declared in ancestor TIfcObjectDefinition.

References to the decomposition relationship being an aggregation.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1850).

Published property Decomposes: TIfcRelAggregatesList read FDecomposes;

This item is declared in ancestor TIfcObjectDefinition.

References to the decomposition relationship being an aggregation.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1853).

Published property HasAssociations: TIfcRelAssociatesList read FHasAssociations;

This item is declared in ancestor TIfcObjectDefinition.

Reference to the relationship objects, that associates external references or other resource definitions to the object. Examples are the association to library, documentation or classification.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1858).

Published property ApplicableOccurrence: TIfcIdentifier read FApplicableOccurrence write FApplicableOccurrence;

This item is declared in ancestor TIfcTypeObject.

Data type of the occurrence object, to which the assigned type object can relate.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1993).

Published property HasPropertySets: TIfcPropertySetDefinitionList read FHasPropertySets;

This item is declared in ancestor TIfcTypeObject.

Set of unique property sets, that are associated with the object type and are common to all object occurrences referring to this object type.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 1997).

Published property Types: TIfcRelDefinesByTypeList read FTypes;

This item is declared in ancestor TIfcTypeObject.

Reference to the relationship IfcRelDefinesByType and thus to those occurrence objects, which are defined by this type.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 2001).

Published property RepresentationMaps: TIfcRepresentationMapList read FRepresentationMaps;

This item is declared in ancestor TIfcTypeProduct.

List of unique representation maps. Each representation map describes a block definition of the shape of the product style. By providing more than one representation map, a multi-view block definition can be given.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 2234).

Published property Tag: TIfcLabel read FTag write FTag;

This item is declared in ancestor TIfcTypeProduct.

The tag (or label) identifier at the particular type of a product, e.g. the article number (like the EAN). It is the identifier at the specific level.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 2239).

Published property ElementType: TIfcLabel read FElementType write FElementType;

This item is declared in ancestor TIfcElementType.

The type denotes a particular type that indicates the object further. The use has to be established at the level of instantiable subtypes.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 2255).

Published property PredefinedType: TIfcDoorTypeEnum read FPredefinedType write FPredefinedType default TIfcDoorTypeEnum.NotDefined;

A list of types to further identify the object.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4128).

Published property OperationType: TIfcDoorTypeOperationEnum read FOperationType write FOperationType default TIfcDoorTypeOperationEnum.NotDefined;

Type defining the general layout and operation of the door type in terms of the partitioning of panels and panel operations.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4132).

Published property ParameterTakesPrecedence: Boolean read FParameterTakesPrecedence write FParameterTakesPrecedence default false;

Does the parameter given in the attached lining and panel properties exactly define the geometry (TRUE), or whether the attached style shape take precedence (FALSE). In the last case the parameter have only informative value.

TODO: If not provided, no such information can be inferred. Should we have 3rd value and make this enum?

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4141).

Published property UserDefinedOperationType: TIfcLabel read FUserDefinedOperationType write FUserDefinedOperationType;

Designator for the user defined operation type, shall only be provided, if the value of OperationType is set to TIfcDoorTypeOperationEnum.UserDefined.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4145).

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