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I have a workbench which converts IFC to ESRI Multipatch, the original colours in IFC are reserved very well in the output Multipatch (as inspected in ArcGIS Pro)， however if I convert the multipatch to 3D object scene layer package, it seems the colours are gone. there are not many option for me to play in the I3S writer. I have checked the FME I3S factsheet which has mentioned Generic Color Support: No. Not sure if that's related, but any advice how to keep the colours of the output .slpk matches what's in the original IFC or multipatch? thanks

Hi @Jack Zhang​, which version of FME are you using? This should be possible with FME 2021.1 +. If you're using an older version, you can use the ColorAppearanceReplacer (a custom transformer) to convert to an image texture before writing out to I3S. Hope this helps.

hi @nampreetatsafe​ , thanks for the reply. I'm using 2021.1, I'll try to get some screenshot later to explain what I mean. thanks

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