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World Creator on displacement

Posted: Mon Jul 02, 2018 1:34 pm
by thanulee
Hello. I got this issue from world creator and they told me to ask here as well, if there is any clamping operation behind the scenes when i import a texture for displacement.
I got heavy banding in 8bit (expected) but still minor banding in 32bit. Any thoughts? If u need image to check let me know to send u in a pm.
Thanks

Re: World Creator on displacement

Posted: Mon Jul 02, 2018 2:26 pm
by aoktar
Ensure everything is 16/32 bit in displacement pipeline.

Re: World Creator on displacement

Posted: Mon Jul 02, 2018 2:36 pm
by thanulee
It is, thats why im asking. World creator ppl tell me its fine on their side so i have to ask

Re: World Creator on displacement

Posted: Mon Jul 02, 2018 6:59 pm
by thanulee
So after few tests on other engines and talking with WC devs, problem seems to be octane (or me).
Here is a scene with wc project/32bit tiff/c4d project to give it a look.

https://www.dropbox.com/sh/qcnv4f0bqyao ... 6xh2a?dl=0

See image btw

Re: World Creator on displacement

Posted: Tue Jul 03, 2018 12:58 am
by niestudio
aoktar wrote:Ensure everything is 16/32 bit in displacement pipeline.
Hi Thanulee,
In your image texture node, you have Channel Format set to half (16bit) instead of float (32bit). Update this, and you should get rid of the banding.

http://www.aoktar.com/octane/ImageTexture.html
channel_format.jpg
banding.jpg

Re: World Creator on displacement

Posted: Tue Jul 03, 2018 8:50 am
by thanulee
Heya, ya Iam set to float and i still see this issue. But im on 3.07. I dont know why on ur file doesnt appear to be float maybe its 3.07 to 3.08 difference?

Re: World Creator on displacement

Posted: Tue Jul 03, 2018 1:39 pm
by niestudio
That's a different float. Yes I am on 3.08, not sure about 3.07

Re: World Creator on displacement

Posted: Tue Jul 03, 2018 2:20 pm
by niestudio
Looks like 32bit support in displacement is new in 3.08
viewtopic.php?f=9&t=64067&p=326379&hilit=32bit#p326379

Can you output 16bit from world creator or, I wonder if you can change your image to 16bit in photoshop and achieve acceptable results.

Re: World Creator on displacement

Posted: Tue Jul 03, 2018 2:41 pm
by thanulee
Thanks! Image is 32 bit no reason from WC, while with 16 i could achieve same results. Its 3.08 that i need to upgrade! thanks again