Geometry problems when exporting from CityEngine to Twinmotion

Question

Hello,

I'm new to CityEngine, and i created a rule that allows me to generate houses from footprints. I would now like to export them from CityEngine to Twinmotion, but when i do, the walls of the house disappear. The models are exported in udatasmith format. I put screenshots below for you to see the issue.

Here's my cityengine models :

And here are the same models exported in Twinmotion :

Thanks in advance !

BenjaminNeukom · Answer

Hi @JulesChasson

Could you try setting the Material to "two sided" in Twinmotion and check if that solves the problems?

(Using the material picker and then setting the Two sided flag in the Misc. category).

Currently the double sided material flag is not propagated to the Datasmith format from CityEngine.

Let me know if that helps!

Best,

Benjamin

JulesChasson · Answer

Hi Jonas,

Thanks for your answer.

Here's my export settings :

You can find the rulefile aswell, however i zipped it because the cga format was not supported.

Thank you for your help !

Jules

bat_cadastre.zip

JonasObertuefer · Answer

Hi @JulesChasson,

Welcome to CityEngine, your rule looks cool!

To further look into your issue can you share the export settings used and the rule file with us? If you don't want to share the rule in this thread you could also send me a DM.

Best
Jonas