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Strange Pixels on Skin

Epic82Epic82 Posts: 129
in The Commons

I use Dimension-Z's N.G.S. Anagenessis 2 - Revolution shaders on all of my figures. But occasionally, when I render my figures, I see light and dark rectangular pixels on their skin, as you can see in the screenshot I've attached below. The figure in the screenshot is Destiny for Olympia 6, but I've also rendered Victoria 6 and Priya for Genesis 3 with the N.G.S. Anagenessis 2 - Revolution shaders and have seen these pixels on those figures as well. I've noticed the only time I see these markings is when I render a figure up close in certain dark environments. The figure below is rendered with the Orestes Iray HDRI Environments - Cave Shelter. If someone has encountered this problem and/or has any idea how to solve it, please let me know. 

Capture Daz3D.PNG
1018 x 943 - 2M

Comments

  • PaintboxPaintbox Posts: 1,633

    When you do a full render, does this happen too?

    Because you are now showing an Iray Interactive render, which hasn't have the full capability of iray proper.

  • ZilvergrafixZilvergrafix Posts: 1,385
    edited January 2021

    first we need some data:

    • Is the actual version of Daz? 4.14?
    • Are your graphic card drivers up to date?
    • Is your graphic memory at 100% employed?
    • Is your graphic card temperature higher, very higher?
    • Are you using some kind of overclocking on your graphic card?
    • Do you have a false contact on your video cable?

    in first place you are doing a preview, not a render, remember that, and a preview does not reflect a final image, and you are using a custom camera with tricks enabled (scripted).

    as Paintbox says, your final render give your that rectangles? or is only on the previewing?

    Post edited by Zilvergrafix on
  • nicsttnicstt Posts: 11,715

    I use NGS2 also, and I've never seen them.

    The only answer we need at the moment is do you see it in final renders?

  • MimicMollyMimicMolly Posts: 2,211
    edited January 2021
    I had that happen to me once. My solution was just to re-render in a brighter environment. But I know that may not always work out, especially if it involves a comic, for example.
    Post edited by MimicMolly on
  • Epic82Epic82 Posts: 129

    Thank you all for your replies. The pixels do disappear in the final render. So, the render just needs more time to complete. I'll attempt to render other images I've seen these pixels in. And if I do see them in any final render, I'll try to adjust the lighting. 

    Final Render.png
    989 x 881 - 1M
  • richardandtracyrichardandtracy Posts: 5,932

    I got exactly the same artefacts with MostDigitalCreations ACJenny which also uses the Anagenesis shader and contacted Adam Thwaites about it. The problem is just that there were insufficient iterations for the light level. Darker = more iterations. One way is to go to 100% convergence, then if that's inadequate, pop it up to a render quality of 2. Never had to go further than that.

    Regards,

    Richard.

     

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