Hey guys,
we’ve encountered one big issue in our pipeline:
in Vray 3.0 the zDepth-pass is one pixel larger, which caused major problems to our client when layering them with depth.
We need to understand why this happens…
Our settings are the same in both versions (see screenshots).
Is it a feature or a bug? 
Cheers
Dominik
What is your AA filter? Best to post a scene.
Best regards,
Vlado
Hey Vlado,
sorry that I didn’t answer yet… but for some strange reason our 2.4 licenses are causing some trouble, because after upgrading we lost the 2.4’s…Didn’t know that
We are in contact with our reseller to solve that -
After that I send you test scenes with the issue…
Hope we can figure that out 
Cheerio
Dominik
Ok,
here are two scenes. One VR 2.4 and the other 3.0
The only difference in settings is in the one scene i have filter size of 2.5 and the other of 2.0… Cook Variable.
Hope its useful for you!!
zdepth_comparison.zip (547 KB)
One thing more to add:
I just made a third test with VR 3 with the same 2.5 pixels in AA like in the 2.4 scene.
Just a little difference on the edge compared to filter size 2.0 - but still this huge difference compared to VR 2.4.
I thought if rendering unfiltered depth no AA is applied at all??
Regards
Dominik
Hello,
We reproduced it in here and will look into it. We will get back to you when we find out what’s going on.
Thank you,
Hey Georgi, hey Vlado,
have you found something? Anything new?
Would appreciate!
Dominik
Unfortunately not yet. We’ll keep you updated when we find something.
Thank you,
Has this been resolved? I’ve been getting the same problem.
Kind regards
Keith
Hey guys,
sorry to bother you again, but are there any news?
Because this issue could become a serious showstopper for us…
Thanks for your efforts!
Cheers
Dominik
We are sorry to inform you but the issue is not resolved yet.
I could bump the priority a bit if it is an urgent matter - just let me know.
Hi Svetlozar,
thanks for the info - yes, I would appreciate if would bump up the priority.
Thank you
Dominik
Hey guys,
do we have a progress on the topic?
Any good news?
Dominik
No, not yet. Sorry about that Dominik.
I will check what can be done to get this issue resolved in the shortest possible time.
For the moment you can toggle the “invert z-depth” option and then invert it in post, if needed.
Best regards,
Vlado
Hey Vlado & Tashko,
thanks both of you for the information. I’ll give it a try!
Dominik
Hi Vlado,
I just haven’t got time to check it until today - but i can’t find the “invert z-depth option” you mentioned.
Do you just want me to reverse the black/white values in the attributes? I have checked the latest nightly from Oct 12th (26295).
Or did I misunderstand you
Thx Dominik
Hi Dominik,
Actually the work on this option for the V-Ray for Maya builds is not completed yet and it is only available in the Max builds.
Excuse us for the confusion.
We will contact you immediately when we have good news about this issue.
Thanks Tashko for the information!
Cheers!
Dominik
