Chaos Corona for 3ds Max > [Max] Resolved Bugs
Corona VDB 7 vs 6
Olivernov:
Dear Rowan,
Thank you for your reply.
smoke on the left is 100% and smoke on the right is 1,4%
The max scene is attached.
Best,
Olivier
v.p.vlasenko:
Hi people,
seems like vdb is broken more than I thought or even volumes at all.
empty scene, scale in meters, sun size 5 (with default size same thing), default environment and "wdas_cloud_quarter" - step 1m
First of all, even with a 100% scale it does not work as expected
first attachment - 100%, we can see the sun through volume and I checked it with phoenixfd - similar result, so that not only coronavdb problem.
second - 5% scale.
third one - 5% scale, but step 0.2m.
fourth - 5%, step 5m.
Decreasing step size doing things even worse
I tried different absorption, scattering constant/density with different multiplier - all wrong.
So definitely something broken.
Btw it seems like phoenixfd producing correct? results at all scales - but in all cases we can see the sun through cloud.
Olivernov:
Hello,
Thank you. Yes I experience the same problem. Clouds have a strange "cut out" effect in its volume.
In Corona 6, scale was definitely not an issue.
Best,
Olivier
rowmanns:
Hi,
Thanks for the scenes, we have managed to reproduce this here.
We will let you know when there is some more information.
Thanks,
Rowan
(Report ID=CRMAX-968)
rowmanns:
Hi,
We have fixed this in the latest v8 daily build. You can find it here: https://forum.corona-renderer.com/index.php?topic=33839.msg193862#msg193862
Thanks,
Rowan
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