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Different rendering result

meke2 tamagomeke2 tamago Posts: 3
in Technical Help (nuts n bolts)

I often render several different versions of the same image and blend them in Photoshop. (For example, wet and dry skin)
So, I prepared a new PC to save time.
I copied the Library there and rendered the same image with Iray.
The same images should be rendered on two PCs.
However, only the hair volume is different.
This phenomenon occurs with all hair when rendering with Iray.
And it does not happen with 3Delight.

 

NewPC is Windows 10, Ryzen7, GTX 1080Ti
SubPC is Windows 8.1, Core i7, GTX 980
Both DazStudio versions are 4.9.4.122

 

Please let me know if anyone knows how to solve it

Comments

  • JamesJABJamesJAB Posts: 1,760

    Assuming a few things here...

    1. New PC is a fresh install of Daz Studio?
    2. Old PC had Daz Studio installed at a lower version number? (4.8.x.xxx or older)

    There may be a render setting on the old PC that carried over from an older version of Studio, or at some time you changed a setting and it's not set on the new one.
    You could try saving your Render Preset on whichever machine you like the look of better.  Copy that preset file over to the other machine's library folder and load it in studio.  Run your renders again and see if they match.

    Other things to look at.
    Are both machines running the exact same version number on the Nvidia driver (Not the geforce experience version number, but the actual driver version number)
    Are your texture compression thresholds  set the same on both machines?
    Is OptixPrime enabled on both machines?
     

  • meke2 tamagomeke2 tamago Posts: 3

    Good evening. Thanks for the advice.
    I tried everything suggested from you.
    But the problem was not solved.

  • JamesJABJamesJAB Posts: 1,760

    This suggestion will take a while...
    Try rendering twice on each machine, oce CPU only and Once GPU only and compare the 4 images maybe one of the 4 devices is handling transparencies different....

    Oh... hold on.
    Are you rendering to 95% Convergence or going all the way to 100%?
    If the answer is 95% change it to 100% and try again.

  • agent unawaresagent unawares Posts: 3,513
    edited October 2017

    nm, what I thought might be happening can't be because it exists in solid areas of the image.

    Post edited by agent unawares on
  • meke2 tamagomeke2 tamago Posts: 3

    I repeated the experiment after that and found out that the symptoms resolved by the next action.

    1. Rename the hair texture files (Base Color, Glossy Weight, Cutout Opacity etc) and change references to read them.
    2. Rename hair texture folder and change references to read them.

    When doing either one of these, the newPC output the same rendering image as the subPC.

    Is something cache the cause of the problem?

    When I do not do the above and execute "refresh image" on the Surface tab, I can not get such improvement.

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