Weird banding around Physically Based Sky directional light at horizon line

Unity Engine
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1

I’ve just been playing around with HDRP for the first time, specifically with a Physically Based Sky and I’m getting some weird banding effect around the directional light as it approaches the horizon line. I’ve only really been tweaking one or two values away from the default so I’m not sure if it’s something I’ve misconfigured or haven’t set up properly yet…

6451748--722624--upload_2020-10-24_19-14-25.png
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6451748--722633--upload_2020-10-24_19-19-42.png
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There’s just some basic geometry like a flat ground plane + cube with two default lit materials, no custom values for the PBS, and the directional light is set to the following:

6451748--722627--upload_2020-10-24_19-16-36.png
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It looks fine anywhere else in the sky and gets progressively worse as it approaches the horizon. Any help is greatly appreciated!

2

Hey, you probably want to change the exposure in your volume. By default it’s going to use automatic exposure without any specific limit min and max values. Set the limit min to a value that works for the Sunset.
Alternatively, set the exposure mode to Fixed, and use a value that works out for the sun intensity you picked.

Btw, when you use the PBS sky, you should use pure white color (turn off the color temperature) and 130.000 lux.

2 Likes
3

Beautiful, that looks 100%! Thank you so much.