gradient problem

Maxon Cinema 4D (Export script developed by abstrax, Integrated Plugin developed by aoktar)

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voxmega
Licensed Customer
Posts: 8
Joined: Mon Sep 10, 2012 8:34 pm

im having a trouble rendering a gold material, i always get this step-like gradient in the darkest parts of render.
the problem is that when i try to render in a small resolution (like 2000x1000) with like 5000-7000 samples - i dont get those steps..
but when i set resolution to 10000x5000 - i always get this problem.

i tried making my hdri like 5 times bigger, bit more blurred and even with some noise added, just in case.. but the result is the same.
i dont use post-effects (bloom or glare).
im my gold material i got rid of most channels, that could have done this.. have only diffuse/specular/roughness left, w/o and channels/textures inside.
and i still get these stripes in gradient.
tried rendering 8bit and 16bit in tiff or png.. no use

please help :(
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Screen Shot 2014-06-29 at 1.25.21 PM.png
mac pro 4.1 : 32gb : gtx titan + gtx 570
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aoktar
Octane Plugin Developer
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Joined: Tue Mar 23, 2010 8:28 pm
Location: Türkiye
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ok, can you try with floatbuffer and 32bit tif output?
Octane For Cinema 4D developer / 3d generalist

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voxmega
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Posts: 8
Joined: Mon Sep 10, 2012 8:34 pm

where can i find a floatbuffer?
mac pro 4.1 : 32gb : gtx titan + gtx 570
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aoktar
Octane Plugin Developer
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render settings->buffer type = float(tonemapped)
Octane For Cinema 4D developer / 3d generalist

3930k / 16gb / 780ti + 1070/1080 / psu 1600w / numerous hw
voxmega
Licensed Customer
Posts: 8
Joined: Mon Sep 10, 2012 8:34 pm

kk, trying that, thanks..
will take bout 30 mins of render to see if the steps r gone..
mac pro 4.1 : 32gb : gtx titan + gtx 570
OS X Mavericks
voxmega
Licensed Customer
Posts: 8
Joined: Mon Sep 10, 2012 8:34 pm

YES!!:D

Thanks a lot, aoktar!

it works!! :):)
mac pro 4.1 : 32gb : gtx titan + gtx 570
OS X Mavericks
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