Class TIfcIndexedPolygonalTextureMap
Unit
Declaration
type TIfcIndexedPolygonalTextureMap = class(TIfcIndexedTextureMap)
Description
Mapping of the 2-dimensional texture coordinates to a set of polygonal bounded faces onto which it is mapped. It is used for mapping the texture to faces of an IfcPolygonalFaceSet. Such faces may have inner loops.
Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 757).
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcPresentationItem
- TIfcTextureCoordinate
- TIfcIndexedTextureMap
- TIfcIndexedPolygonalTextureMap
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 Maps: TIfcSurfaceTextureList read FMaps; |
| Published | property MappedTo: TIfcTessellatedFaceSet read FMappedTo write FMappedTo; |
| Published | property TexCoords: TIfcTextureVertexList_Spec read FTexCoords write FTexCoords; |
| Published | property TexCoordIndices: TIfcTextureCoordinateIndicesList read FTexCoordIndices; |
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 705). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 706). | |
| Public | constructor Create(AOwner: TComponent); override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 761). | |
| Public | destructor Destroy; override; |
|
This item has no description. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 762). | |
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 Maps: TIfcSurfaceTextureList read FMaps; |
|
Reference to the one (or many in case of multi textures with identity transformation to geometric surfaces) subtype(s) of TIfcSurfaceTexture that are mapped to a geometric surface by the texture coordinate transformation. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 712). | |
| Published | property MappedTo: TIfcTessellatedFaceSet read FMappedTo write FMappedTo; |
|
Reference to the IfcTessellatedFaceSet to which it applies the texture map. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 745). | |
| Published | property TexCoords: TIfcTextureVertexList_Spec read FTexCoords write FTexCoords; |
|
Indexable list of texture vertices. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 748). | |
| Published | property TexCoordIndices: TIfcTextureCoordinateIndicesList read FTexCoordIndices; |
|
Set of texture coordinate indices for polygonal faces with and without inner loops. Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 766). | |
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