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Georeferencing metadata missmatch - PCERT examples for IFC4.3.2.0 #143

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pjanck opened this issue Apr 30, 2025 · 1 comment
Open

Georeferencing metadata missmatch - PCERT examples for IFC4.3.2.0 #143

pjanck opened this issue Apr 30, 2025 · 1 comment

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@pjanck
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pjanck commented Apr 30, 2025

State

Looking at

https://github.com/buildingSMART/Sample-Test-Files/blob/5016207e14159f2fcf60d6f4dddfedfb7d2e0994/IFC%204.3.2.0%20(IFC4X3_ADD2)/PCERT-Sample-Scene/Infra-Bridge.ifc#L25

with

https://github.com/buildingSMART/Sample-Test-Files/blob/5016207e14159f2fcf60d6f4dddfedfb7d2e0994/IFC%204.3.2.0%20(IFC4X3_ADD2)/PCERT-Sample-Scene/Infra-Bridge.ifc#L22

Image

while considering the definition of the referenced CRS 32760:

Image

I wonder:

Question

Shouldn't the unit of the IfcProjectedCRS.MapUnit be a metre, and not a millimetre?

This applies to all example files here.

@janbrouwer
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Yes, you are right!

@evandroAlfieri That could also be an interesting rule for the validation service. Validate known EPSG codes for IfcProjectedCRS and IfcGeographicCRS.

janbrouwer added a commit to BIM-Tools/SketchUp-IFC-Manager that referenced this issue May 15, 2025
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