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Messages - JEK5019

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hello maru -

i was curious - as i had uploaded my scene about 2 weeks back to contact support via

how long does it usually take in getting feedback? i can only assume at this point that this is quite normal? 🤷‍♂️

thanks, maru -

it certainly achieved cutting down render times in some regard - but indeed, the GI is marginalized as a result.

I think it might be best to submit this through support - it would be helpful to sort this thoroughly so I don't encounter the problem again in the future.

all the best!

good to know & thanks again. 👍👏

aside from removing the fireflies - it has also boosted renders by at least 85% - insane.

i was tackling this myself for 1.2 weeks - i wish i had visited the forums much earlier :D

hey 3dboomerang - i was checking out your kuula 360 - how are getting that bokeh lighting effect? if you don't mind mt asking.

ok wow! i'm only 40 min into the render and it's way cleaner - this cuts down my renders tremendously - & no fireflies - much thanks 3dboomerang!

hey thanks 3dboomerang. that sounds promising - i'll give it a shot and get back with thie results!

okay -

so i discovered a part of the problem. which was caustics in glass materials.

i had used a grey material override in trying to discern my scene - but also allowing glass & light to be preserved.

i decided in haste to remove all caustics from my scene - as I've been needing to finish (4) 360 images since last week.

rendering a 360 tonight at about 9 hours - noise limit @ 5% - 8000 x 4000. will update tomorrow morning the results!

I need help / severe noise & fireflies on 360 spherical
« on: 2020-04-18, 12:34:38 »
hello -

so i've been rendering this scene (4 cameras) for the last week - at varying times (9 hrs to 12 hrs each)

I've also been reviewing various posts on the corona forum and then attempt various adjustments on each new render - all off which have led to failure. 😒

anyway - I have officially surrendered and now seek the help from my fellow coronans.

the first 3 images are from 2 days ago - fairly clean but some noise and def some fireflies. I've been tooling with GIvsAA, light samples, etc.. none of which have worked for me.

on the following image - I had concluded that maybe it had to do with my window mats - where I decided to make them (thin) no refraction. but now heavy noise... 😢

I have included some snapshots of my render setup. also - at each window location - I am using a backplate (corona rayswitch) as you can see attached. the hdri is peter gutherie's (2003 dusk blue).

i would be more than happy to upload the file for those who would prefer to examine the scene. it's just under 400 megs zipped - fyi.

looking forward to solutions - all the best!


General Discussion / Re: Corona Training
« on: 2018-10-27, 13:07:12 »
I took this course last year - and it was awesome! Much like Mograph - but you get lots of one on one questions and resolutions with the instructor.

About this forum / Re: delete old post possible?
« on: 2018-05-15, 13:04:09 »
thanks - will do shortly!

About this forum / delete old post possible?
« on: 2018-05-15, 11:06:41 »
hello - is it possible to delete an older post? it's regarding some images i had posted to the gallery about a year ago - and would prefer to discard them from this forum.

thanks -


I need help / Re: memory upgrade - corona crashing!
« on: 2018-04-12, 16:16:04 »
thanks - will give it a go!

I need help / Re: memory upgrade - corona crashing!
« on: 2018-04-12, 11:32:55 »
thanks everyone for your suggestions.

the issue seems resolved. :)

so i had installed the memory incorrectly - as both groups were adjacent 1/2 - 3/4 slots .. (and not 1/3 - 2/4 slots.)

i shut everything down - re-positioned them and retried the scene. ans it was successful! :)

i've never installed memory - a simple procedure but missed a marginal but important step in understanding which slots are to be used.


I need help / Re: memory upgrade - corona crashing!
« on: 2018-04-11, 19:00:44 »
it's a Gigabyte Z270-HD3P-CF.

no - haven't tried your suggestions - but will give them a try. will also see online if there are compatibility issues between memory & motherboard.


I need help / memory upgrade - corona crashing!
« on: 2018-04-11, 18:19:56 »
hi -

so i just recently upgraded my memory - from 16gb to a total of 48gb.

been working on an existing scene - and now max is crashing. i haven't tried other scenes - so i should at least give that a try.

however, my existing scene rendered fine before the upgrade.

below are my memory info:

my existing memory - corsair 16gb ddr4 3000mhz.

my new memory - adata xpg 32gb gammix d10 ddr4 3000mhz

it's interesting - because when the render now starts - it does as it should - renders much quicker than before! so a scene that normally took about 5 hrs - is now estimated at about 2,5 hrs.

however, after about an hour of rendering - max will crash! i even monitored while rendering - nothing out of the ordinary (heat-wise) image attached also.

i am also including a dump file generated from max (not sure how useful that is.)

any ideas? any help is greatly appreciated. it's been 3 crashes in 3 nights - going crazy!


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