Hi,
ok so I tried different options. but still have this noise near the origin of the light spot.. that happen to me for long time and still don't find how to do it..

I tried :
-Spectron
- high samples on Max samples
- high samples on the light tag
- Remove all other lights

here is the link of ...

Hi, thanks for this information. But it's like you said, strange to understand how it works Spectron... we have to use primitive and activate AI light right ? but I don't have to use the "Distribution Spotlight" in the Distribution section ? how can I use it as spotlight ? just to be sure to do the ...

ok that's a really nice option. thanks! I didn't know about the spotlight Distribution
just sad that we can't use the spotlight light. I have often problems with.. difficult to use it

ok Thanks.
so I tried the Max overlap volumnes to 16 but I didn't see a difference unfortunately. I really see a difference ?
Yes I can export in different layers, is not really best but I can.
The spotlight is more complicate to create good renders not ? sure I can convert to area light but how can ...

Hi,
I tried to render spots but I have often problems with quality.. I tried to render with 16000 samples but even than, that makes me noise.

here is my problems :
-when I have the spotlight blue, that makes me noise in the right side of the picture.
-Makes strange roung lines
-the back light makes ...

ok I will check that

aoktar wrote:Probably you have some setting that avoids to store render results.

I don't know why but in the same project, sometimes it works, sometimes not... I'm in R21. maybe is that ?

ok but du you know whish settings cut off the compare render buffer ?

ok so it work on different projects.. but I had some times this problem... I reset the octane settings but I still have the problem.
but if I copy paste the objects in a new projects, it work... I think it's a bug... but don't know how to fix it...

Hi,
when I clic Compare-> Store Render Buffer. I have only a black screen in B and actual in A. maybe I do something wrong ?