16.2.4 Linux displacement issue

Forums: 16.2.4 Linux displacement issue
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16.2.4 Linux displacement issue

Postby grimm » Fri Sep 21, 2018 5:24 am

grimm Fri Sep 21, 2018 5:24 am
Hi Guys,

16.2.4 has a strange issue with displacement (the ground plane):

16.2.4-test.png


Here is how it looks when rendered on previous versions:

spider6.png


Thanks,

Jason
Linux Mint 20 x64 | Nvidia GTX 980 4GB (displays) RTX 2070 8GB| Intel I7 5820K 3.8 Ghz | 32Gb Memory | Nvidia Driver 460.56
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Re: 16.2.4 Linux displacement issue

Postby grimm » Fri Sep 21, 2018 5:35 am

grimm Fri Sep 21, 2018 5:35 am
Just wanted to add that it's the same in the viewport as well:

16.2.4-test2.png


The displacement is just on a simple UV unwrapped plane.

Jason
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Re: 16.2.4 Linux displacement issue

Postby linograndiotoy » Fri Sep 21, 2018 10:10 pm

linograndiotoy Fri Sep 21, 2018 10:10 pm
Hello Jason!

Would it be possible for you to share you scene (no spider needed!) so developers can test it and understand what's wrong?

Thanks!
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Re: 16.2.4 Linux displacement issue

Postby grimm » Sat Sep 22, 2018 4:23 am

grimm Sat Sep 22, 2018 4:23 am
Hi linograndiotoy,

I think I have figured out the issue. It looks like when 16.2.4 reads in an older version's blend file, it doesn't set the displacement node parameters correctly. You can see here that there are two items that are not being set and must default to a lower value.

disp-issue1.png


If I then set the displacement level parameter correctly 4096x4096, the displacement looks correct again:

disp-issue2.png


Just to test I set the level to a very low value and it looks bad again:

disp-issue3.png


Thanks,

Jason
Linux Mint 20 x64 | Nvidia GTX 980 4GB (displays) RTX 2070 8GB| Intel I7 5820K 3.8 Ghz | 32Gb Memory | Nvidia Driver 460.56
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Re: 16.2.4 Linux displacement issue

Postby linograndiotoy » Sat Sep 22, 2018 6:44 am

linograndiotoy Sat Sep 22, 2018 6:44 am
Thanks for you reply.
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