There are fundamental differences in the way CAD/BIM file formats and rendering file formats handle positioning/orientation. The following video explains the difference between a geolocated rendering model, zeroed rendering model, and georeferenced CAD model/BIM:
Rendering formats like FBX and OBJ do not support CAD/BIM georeferencing.
For the reasons described above, if you are using CAD/BIM software, it generally means your georeferencing will not translate into FBX. Depending on what your software allows you to do, the next best option is to zero your model as described in the above video. Note to import a zeroed model into VU.CITY, you will need to manually enter the real-world coordinates that correspond with point zero (the origin) of your model.
Alternatively if you use Revit, we have created a Revit Plugin that helps optimise and process your model in a way that lets it easily import into VU.CITY.
We would be happy to analyse your model to help work out what needs to be done to get it VU.CITY-ready. You can request this by raising a support case.
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