Quick Q - Caustics Adaptivity / NAN squares

[alexyork]

Hi folks,

I think I read somewhere that during the RC process we could turn off adaptivity only for caustics in order to avoid black NAN squares, which we have been experiencing with RC2/3 etc. We've just upgraded to v6 proper - do we need to worry about these black NAN squares any more or is this something we sitll need to disable? I can't see any option for it in the developer tab.

Cheers,

[alexyork]

In classic fashion we've just found it.. it's in the main caustics settings bit.

So I guess the question kinda remains - is this still a bug or did it get fixed with v6 proper?

Cheers,

[rowmanns]

Hi,

For this specific case you'll still need to disable the caustics adaptivity.

Cheers,

Rowan

[alexyork]

Thanks Rowan. We'll do some tests and see if it works, and what kind of time impact it will have.

Is this a fix being prioritized for the first hotfix? Hopefully :)

[rowmanns]

Hey,

Unfortunately this one doesn't seem like it will be a simple fix, so I can't give any timescales :/
Hopefully disabling the caustics adaptivity checkbox for the scenes where the problem is visible will be a suitable workaround for the moment.

Let me know if you run into any issues and I'll do my best to help.

Cheers,

Rowan

[alexyork]

:/ I see. Ok well best of luck with the bughunt... ! I'll let you know our findings from the testing.

Cheers,

[rowmanns]

Hi,

Just a followup question, do you mean actual NaNs? Or just dark squares which seem to be missing caustics?

Thanks,

Rowan