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FBX export: is it possible to add custom attributes?

I would like to retain my object attributes (building type, usage, etc) when exporting to FBX. Apparently it's possible to extend the format - can it be done with CE?

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Accepted answers

ThomasFuchs

Hello L R

The CityEnginge FBX exporter does not support writing attributes. For exporting high quality models and attributes, the CityEngine Alembic ABC Export can be used.

If you need to use FBX, there are two options:

Export the models as FBX and the shapes with attributes to a SHP file.
Export the models as FBX and use the python export to write a text file (e.g. CSV) with the relevant attributes: Tutorial 12: Scripted report export—CityEngine Tutorials | ArcGIS Desktop

Later the two exports need to be combined via a unique identifier.

All comments

That still won't merge different materials despite them having the same name, or? What I meant is that the models are not a single mesh, but consist of multiple parts, like this:

ThomasFuchs

On Export please activate "Create Shape Groups" in the Granularity Settings. Then you get only one group per start shape. Combining the attribute information per group name, should then be possible.

That's what I ended up doing - models and csv. Now if only CE had an option to merge meshes by start shape- combining by material name is nice, but e.g. trees still end up in multiple parts (Crown and Trunk) and require touching up later.

ThomasFuchs

Hello L R

The CityEnginge FBX exporter does not support writing attributes. For exporting high quality models and attributes, the CityEngine Alembic ABC Export can be used.

If you need to use FBX, there are two options:

Export the models as FBX and the shapes with attributes to a SHP file.
Export the models as FBX and use the python export to write a text file (e.g. CSV) with the relevant attributes: Tutorial 12: Scripted report export—CityEngine Tutorials | ArcGIS Desktop

Later the two exports need to be combined via a unique identifier.

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