Class TIfcGeometricRepresentationSubContext_Temp
Unit
Declaration
type TIfcGeometricRepresentationSubContext_Temp = class abstract(TIfcGeometricRepresentationContext)
Description
IFC internal class IfcGeometricRepresentationSubContext-temp (not in specification, only in XSD).
Source: scene/load/ifc/castleifc_ifc_standard_types_autogenerated.inc (line 321).
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcRepresentationContext
- TIfcGeometricRepresentationContext
- TIfcGeometricRepresentationSubContext_Temp
Overview
Constants
| Public | TypeModel = 'Model'; |
| Public | TypePlan = 'Plan'; |
| Public | TypeNotDefined = 'NotDefined'; |
Methods
| Protected | function WantsGlobalId: Boolean; virtual; |
| Protected | class function IfcClassName: String; virtual; |
| Public | constructor Create(AOwner: TComponent); override; |
| Public | destructor Destroy; override; |
| 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 ContextIdentifier: TIfcLabel read FContextIdentifier write FContextIdentifier; |
| Published | property ContextType: TIfcLabel read FContextType write FContextType; |
| Published | property RepresentationsInContext: TIfcRepresentationList read FRepresentationsInContext; |
| Published | property CoordinateSpaceDimension: TIfcDimensionCount read FCoordinateSpaceDimension write FCoordinateSpaceDimension; |
| Published | property Precision: TIfcReal read FPrecision write FPrecision; |
| Published | property WorldCoordinateSystem: TIfcAxis2Placement read FWorldCoordinateSystem write FWorldCoordinateSystem; |
| Published | property TrueNorth: TIfcDirection read FTrueNorth write FTrueNorth; |
| Published | property HasSubContexts: TIfcGeometricRepresentationSubContextList read FHasSubContexts; |
| Published | property HasCoordinateOperation: TIfcCoordinateOperation read FHasCoordinateOperation write FHasCoordinateOperation; |
Description
Constants
| Public | TypeModel = 'Model'; |
|
The following values for ContextType are limited to these 3 constants for TIfcGeometricRepresentationContext. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4816). | |
| Public | TypePlan = 'Plan'; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4817). | |
| Public | TypeNotDefined = 'NotDefined'; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4818). | |
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. | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4785). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4786). | |
| 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 4811). | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4819). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4820). | |
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 ContextIdentifier: TIfcLabel read FContextIdentifier write FContextIdentifier; |
|
The optional identifier of the representation context as used within a project. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4789). | |
| Published | property ContextType: TIfcLabel read FContextType write FContextType; |
|
The description of the type of a representation context. The supported values for context type are to be specified by implementers agreements. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4793). | |
| Published | property RepresentationsInContext: TIfcRepresentationList read FRepresentationsInContext; |
|
All shape representations that are defined in the same representation context. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4796). | |
| Published | property CoordinateSpaceDimension: TIfcDimensionCount read FCoordinateSpaceDimension write FCoordinateSpaceDimension; |
|
The integer dimension count of the coordinate space modeled in a geometric representation context. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4824). | |
| Published | property Precision: TIfcReal read FPrecision write FPrecision; |
|
Value of the model precision for geometric models. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4827). | |
| Published | property WorldCoordinateSystem: TIfcAxis2Placement read FWorldCoordinateSystem write FWorldCoordinateSystem; |
|
Establishment of the engineering coordinate system (often referred to as the world coordinate system in CAD) for all representation contexts used by the project. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4832). | |
| Published | property TrueNorth: TIfcDirection read FTrueNorth write FTrueNorth; |
|
Direction of the true north, or geographic northing direction, relative to the underlying project coordinate system. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4835). | |
| Published | property HasSubContexts: TIfcGeometricRepresentationSubContextList read FHasSubContexts; |
|
The set of IfcGeometricRepresentationSubContexts that refer to this IfcGeometricRepresentationContext. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4839). | |
| Published | property HasCoordinateOperation: TIfcCoordinateOperation read FHasCoordinateOperation write FHasCoordinateOperation; |
|
Indicates conversion between coordinate systems. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4842). | |
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