IFC4.3.x-development
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buildingSMART
Repository to collect updates to the IFC4.3 Specification
*Note that this is a minor issue that only affects documentation.* At some point the decision was made to order PEnum items alphabetically with `notset` et al. last. It was...
The object typing and object properties concepts in chapter 4 describe how for things like properties, materials, predefined type, etc are all inherited and overridden with particular rules. What isn't...
The entity seems to have remained abstract even with the deletion of its subtypes. EDIT: PredefinedType attribute documentation cannot be accessed? (another) EDIT: PredefinedType is not listed in the markdown....
As we have to deal with round Openings as well, it would be good to add a Diameter property to the base quantities.
I'm setting up project libraries and wondering how are multiple materials in a layer represented? E.g. in a wall commonly insulation and framing will occur in the same layer.
May be an error in documentation : it is written : "class IfcGeotechnicalStratum is abstract, this definition may not be instantiated". Since the previous subclasses (IfcWaterStratum, IfcVoidStratum ...) no longer...
IfcPerson has an attribute Addresses : LIST [1:?] OF [IfcAddress] But IfcAddress is abstract and its subclasses IfcPostalAddress and IfcTelecomAddress are deprecated. So how do we assign one or many...
Currently, the subtypes `IfcTriangulatedFaceSet` and `IfcPolygonalFaceSet` hold this text: " Depending on the value of the inherited attribute Closed the instance of "either polygonal or triangulated face set link" represents:...
IfcWall description has this sentence: > An arbitrary planar element to which this semantic information is not applicable (is not predominantly vertical), shall be modeled as [IfcPlate](http://localhost:5000/IFC/RELEASE/IFC4x3/HTML/lexical/IfcPlate.htm). Is this sentence...
Proposal: also deprecate IfcPhysicalComplexQuantity. I don't see why it should be treated differently to IfcComplexProperty.
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Repository to collect updates to the IFC4.3 Specification