Correspondence between ifcopenshell.api.georeference.edit_georef and Bonsai Geometry>Georeferencing

swiss_knightswiss_knight
edited November 2024 in General

Hi 👋

the Bonsai 0.8.0 "Scene>Geometry>Georeferencing" menu and the Python ifcopenshell.api.georeference.edit_georeferencing() method (in ifcopenshell 0.8.0) should probably deal about the same concept, i.e. “georeferencing”, but there are 10 values in Bonsai whereas in ifcopenshell for Python I can only handle 5 (packed in only two attributes projected_crs and coordinate_operation) and there are no matching names (except for Eastings and Northings maybe*), which makes it difficult to understand the correspondence between the two:

* Please note that I don't really understand why in Bonsai, Eastings and Northings are under a "Temporary Offset Is Active" menu.

"Aligning" object structure and the nomenclature of variables would be a tremendous help, imho.

While awaiting semantically clearer days, could someone tell me which ifcopenshell value corresponds to which value in Bonsai?

Thanks.



Please note that there is a dead link in this current chapter:

Setting the correct georeferencing parameters is a complex topic and should ideally be done with three parties present: the lead architect, surveyor, and a third-party digital engineer with expertise in IFC to moderate. For more information, read the Bonsai documentation for Georeferencing: https://docs.bonsaibim.org/users/advanced/georeferencing.html

At this API doc page: : https://docs.ifcopenshell.org/autoapi/ifcopenshell/api/georeference/edit_georeferencing/index.html

It should probably points to this page instead: https://docs.bonsaibim.org/guides/authoring/georeferencing.html

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