Hi Karol Not sure if I have understood your question correctly but I am happy to expand on what little I know. The lighting settings in Lumen are the daylight and weather options, and the light sources you place (as light bulbs really) in the model. I have not tried exporting lights from ABD yet. Then there is also the indirect lighting. The only documentation I have been able to find suggests that this should only be updated right at the end of creating the scene. (Link to the document www.e-onsoftware.com/.../Troubleshooting ) This is because of you make a change to your model and re-export it or make changes to your light objects, the lighting solution will have to be updated again, and as I said this takes quite a long time to process. Each time you export the lighting in the scene defaults to Real Time. I am unsure as to what exactly the indirect lighting settings changes, but as you can see from the 3 examples I posted of the same interior, the changes are quite considerable (even if I am not happy with any of the results!). There is also an option to enable an object in the Lumen scene to receive indirect lighting. If you select an object you can enable it to receive high quality lighting. Items that you import have this setting turned off by default (refer to the documentation link above). The imported object comes in as a single entity (my whole model is one object). In my case, I have not been able to turn the high quality lighting setting on and I have a ticket open with e-On software to try and sort it out. I suspect this may be the reason my interior lighting is so dark. As far as I am aware, those are the only ways to manipulate the lights. There are of course camera settings for the finer settings like bloom, reflections etc. There you go, the result of a week's testing. Let me know if you find anything to add, love to hear it from a Bentley user's point of view as we speak the same language! All the best Wendy
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