How do people light with skylights and HDRIs?

Development Rendering
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1

Lighting amateur here, even moreso with lumen. Bear with me.

Trying to do some ArchViz. Followed a tutorial on the subject. The YouTuber dropped in the BP_LightStudio, applied his HDRI to the BP and skylight, and immediately got shadows.

2023-08-21 12_36_11-Lumen for Archviz _ An Unreal Engine 5 Course - YouTube
2023-08-21 12_36_11-Lumen for Archviz _ An Unreal Engine 5 Course - YouTube1920×846 60.2 KB

I’m getting very different results with all lights disabled except the BP_LightStudio. Have tested in 5.1 and 5.2 but haven’t seen a change, which makes me think the problem is on my end. Curious if I missed a checkbox somewhere, but toggling “cast shadows” on the skylight doesn’t make a visible change.

85e4d2c22b30db15d130809d0fcfc7f973111a48_2_1035x565
85e4d2c22b30db15d130809d0fcfc7f973111a48_2_1035x5651035×565 115 KB

Here’s a closer look at my settings. Hoping someone can spot where I went wrong.

c9ab555def51c787f3c6f923114efc97ec80ee83_2_924x750
c9ab555def51c787f3c6f923114efc97ec80ee83_2_924x750924×750 142 KB

b60a58755e404a246f22201588a24cd41c52e916_2_1035x603
b60a58755e404a246f22201588a24cd41c52e916_2_1035x6031035×603 117 KB

a8d8834aafc607559674ed475ddc1c98a2bfffdc_2_897x750
a8d8834aafc607559674ed475ddc1c98a2bfffdc_2_897x750897×750 97.9 KB

2

hate to be “that guy” but need to bump this. would really like to get a better handle on my lighting settings

3

It looks like Lumen isn’t working for whatever reason, the lumen debug view looks close to your reference video still, but node of that is being applied to the lit view. Try deleting any post processing volumes in your scene, or making sure the post processing isn’t overriding lumen.

4

Thanks @ZacD. Below are my lumen settings in post process. I don’t know what to look for to identify if anything’s overriden, but maybe this helps?