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Where is this "sun burn" originating from?

ForestBoyForestBoy Posts: 76
in Technical Help (nuts n bolts)

Hello!

I'm experiencing a "sun burn" effect in my scene.

It looks like this:

I don't have a light objects in my scene.

I only have a HDRI dome / environment, it looks like this:

Does anybody have any idea what I could check in order to find out where the sun burn originates from?

 

Thank you!

 

Comments

  • fastbike1fastbike1 Posts: 4,078

    It looks like a reflection from the environment. Similar color to the top.

  • ForestBoyForestBoy Posts: 76
    edited August 2019

    @fastbike1 Can you explain what I can try to eliminate this or to check if that is really the problem?

    One note: When I choose a different "Environment Map", the sun burn stays at it is. The new environment map doesn't change the sun burn.

    I have used a green environment map instead, and it still looks reddish:

    Post edited by ForestBoy on
  • ForestBoyForestBoy Posts: 76

    I found the reason: Transmitted Color in the Surfaces tab is set to this color, and for some reason, it totally kicks in.

  • nonesuch00nonesuch00 Posts: 18,316
    ForestBoy said:

    I found the reason: Transmitted Color in the Surfaces tab is set to this color, and for some reason, it totally kicks in.

    Makes sense because it seems affected by the glossy/spectral maps the most.

  • JonnyRayJonnyRay Posts: 1,744
    ForestBoy said:

    I found the reason: Transmitted Color in the Surfaces tab is set to this color, and for some reason, it totally kicks in.

    If you could screenshot that part of the surface, I'd be interested in seeing it. I think that most likely given what you're describing, the transmission depth is set too deep. So when the light is passing say from the back to front across her hand and shoulders, Iray thinks light is passing completely through the figure.

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