topic Re: CityEngine to Unreal Error in ArcGIS CityEngine Questions

CityEngine to Unreal Error

DJ_GIS — Mon, 03 Feb 2025 23:08:02 GMT

Hey All,

Trying to follow this tutorial and have CityEngine and Unreal installed but seem to be running into an error after importing the datasmith file into Unreal. Curious if anyone has any thoughts on what might be causing the error.

I am running CityEngine 2024.1, have Unreal 4.27.2 installed and am using the version of CityEngine VR Experience linked in the article.

Thank you

Re: CityEngine to Unreal Error

JonasObertuefer — Tue, 04 Feb 2025 14:05:28 GMT

Hi @DJ_GIS,

Can you link the tutorial you are referring to?

Best,
Jonas

Re: CityEngine to Unreal Error

DJ_GIS — Tue, 04 Feb 2025 18:39:45 GMT

Sorry about that, here is the URL to the tutorial.

CityEngine VR Experience for Unreal Engine - Esri Community

Re: CityEngine to Unreal Error

JonasObertuefer — Thu, 13 Feb 2025 09:35:19 GMT

Thanks. We are looking into it and will get back to you as soon as we know more.

Best,
Jonas

Re: CityEngine to Unreal Error

BenjaminSteger1 — Thu, 13 Feb 2025 11:43:53 GMT

Hi @DJ_GIS,

It appears that the issue is related to incompatible Datasmith versions. CityEngine 2024.1 exports in a newer Datasmith format that cannot be imported into Unreal 4.27 without errors. Unfortunately, there isn't an easy workaround for this problem. I recommend trying the export with the suggested CityEngine version 2021.1.

Best,
Benjamin