Class TIfcMaterialProperties
Unit
Declaration
type TIfcMaterialProperties = class(TIfcExtendedProperties)
Description
Set of material properties to associated material definitions.
Spec: https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcMaterialProperties.htm
Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5429).
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcPropertyAbstraction
- TIfcExtendedProperties
- TIfcMaterialProperties
Overview
Methods
| Protected | function WantsGlobalId: Boolean; virtual; |
| Protected | class function IfcClassName: String; virtual; |
| 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 HasExternalReferences: TIfcExternalReferenceRelationshipList read FHasExternalReferences; |
| Published | property Name: TIfcIdentifier read FName write FName; |
| Published | property Description: TIfcText read FDescription write FDescription; |
| Published | property Properties: TIfcPropertyList read FProperties; |
| Published | property Material: TIfcMaterialDefinition read FMaterial write FMaterial; |
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. | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5295). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5296). | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5311). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5312). | |
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 HasExternalReferences: TIfcExternalReferenceRelationshipList read FHasExternalReferences; |
|
Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5300). | |
| Published | property Name: TIfcIdentifier read FName write FName; |
|
The name given to the set of properties. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5315). | |
| Published | property Description: TIfcText read FDescription write FDescription; |
|
Description for the set of properties. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5318). | |
| Published | property Properties: TIfcPropertyList read FProperties; |
|
The set of properties provided for this extended property collection. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5321). | |
| Published | property Material: TIfcMaterialDefinition read FMaterial write FMaterial; |
|
Reference to the material definition to which the set of properties is assigned. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 5434). | |
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