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Iray Server / Unrendered crevaces.

thebiggydiggythebiggydiggy Posts: 26
in New Users

Hi.

Any time I render, my daz-fun (and computer use) comes to a screeching halt as my rig has all its resources taken over. I do understand there's an associated cost but I was hoping that iray server tab is what I think it is but I'm uncertain of its functionality. rentrender.com doesn't mention daz at all and scene uploading goes through ftp/proprietary sotware. migenius.com does but it has the 'Contact Us' button that's like a barrier between them and rank amateurs (totally me). Any attempts to transfer scenes to blender/other software have been catastrophic and multiple posts about iray server on this forum are either dated or end in 6 posts without info.

I also have this problem:

This is skin on skin. There is slight clipping and no amount of lights that don't completely undo the shadows get rid of these pixels. It's only a tiny part of a 4K render and they are easy to photoshop out, but it's a hassle. It ran for a long time and the rest of the image is nearly perfect, but any time I have skin clipping or coming close to other skin I get these seemingly completely unrendered pixels.

Any help is appreciated.

Comments

  • ToborTobor Posts: 2,300

    Do you get it with other geometry boundaries as well, such as where wall meets floor? If so, this is an issue with some renderers, Iray included.

    Otherwise, I wonder if it's an error in the ambient occlusion buffer within the render, somehow becoming manifest with SSS skin settings. As an experiment try turning off the thin-walled channel in the surfaces tab, which will cancel out any subsurface settings.

    While the specks may look like unrendered pixels, I think they are in fact fireflies.

  • thebiggydiggythebiggydiggy Posts: 26
    Tobor said:

     

    While the specks may look like unrendered pixels, I think they are in fact fireflies.

    They show up as pure black in faststone image viewer, but white in photoshop/paint/here, if that means anything.

    I have rendered walls that I positioned to clip and had no problems, I'll try what you said about the skin settings, thank you.

  • ToborTobor Posts: 2,300

    If they're fireflies they'd be white in all programs, so it doesn't sound like that's the issue.

    Let us know if anything fixes this.

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