IFC4.3.x-development
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Repository to collect updates to the IFC4.3 Specification
Shouldn't there be a reference to ISO 15686 or CIB?
References to ISO21930:2007 should be updated/aligned to ISO 21930:2017.
"The supported values for context type are to be specified by implementers agreements." in https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcRepresentationContext.htm This gives no hint what is this agreement and where to find it. Also we...
PSD_IFC4.xsd referenced from Qto_BeamBaseQuantities but the schema is irrelevant.
ConstantList element is used in IFC4\Pset_ActuatorTypeCommon but missed in PSD_IFC4.xsd
Why?
I cannot find PSD_IFC4.xsd. noNamespaceSchemaLocation points to wrong location "http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd"
Found via `codespell -q 3 -S "./schemas,./reference_schemas" -L cant,co-ordinate,complies,nd,tread,trough,unkown,uupper,wallthickness`
> Virtual elements are usually not displayed and do not have quantities, associated materials, and other measures. The "associated materials" part is true. That's realized by the rule **IfcRelAssociatesMaterial.NoVoidElement** *The...
Several issue regarding the documentation of [IfcSpatialZone](https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSpatialZone.htm), raised by implementers trying to support it. #### Issue 1 _IfcSpatialZone_ documentation says: > Physical elements that are referenced by this spatial zone...