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Dark Patch Across Render

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  • Dark Patch Across Render

    Started doing some test renders of a new scene I'm creating and I'm having some big dark patches, look to be formed of sqaures, appearing on the image. I've had similar looking issues before when distributing but this is just using one machine and the sqaures before are the size of the buckets, this time I'm getting the same patch no matter what order the buckets cover this area.

    To light the scene I have a cosmos HDRi and then 2 vray plane lights inside the room. When I swap out the HDRi for a VraySun this does seem to sort the issue but I'm unable to match the lighting so want to keep the HDRi. Tried deleting the HDRi, redownloading and reimporting but the issue returns.

    Tested it with 3 out of 5 cameras in my scene. The 2 cameras that show the full room experience the issue, but a close up camera on a small section of the table does not.

    Rendering with Vray 5 2.3 CPU, ACES CG workflow, 3ds Max 2022.3

    Click image for larger version

Name:	Dark Patch copy.jpg
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Size:	1.95 MB
ID:	1153237

  • #2
    This is looking like adaptive domelight artifacts. Try disabling adaptive dome.
    https://www.behance.net/Oliver_Kossatz

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