Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: danielmn on 2015-02-06, 01:19:34

Title: Flickering problem
Post by: danielmn on 2015-02-06, 01:19:34

have a little problem trying to recreat this test from the maxwell forum
http://www.maxwellrender.com/forum/viewtopic.php?f=48&t=34574&hilit=frosted+glass



and getting some weird spot on my glass as you can see.
happens in random spots each time I rerender

858 passes

Title: Re: Flickering problem
Post by: danielmn on 2015-02-06, 01:21:40

here are some scene shots

Title: Re: Flickering problem
Post by: danielmn on 2015-02-06, 01:29:43

here is another render and the splotches are now in a different location

also some more info about the scene
I reduced this scene down to one light using a rectangular corona light

Real work units are being used as well.

Title: Re: Flickering problem
Post by: maru on 2015-02-06, 09:11:56

Are you using path tracing + hd cache/uhd cache?

Title: Re: Flickering problem
Post by: danielmn on 2015-02-07, 22:31:28

Yes I am Maru

Title: Re: Flickering problem
Post by: DjordjeIlic on 2015-05-26, 16:26:24

How it's problem solved?
Thanks

Title: Re: Flickering problem
Post by: danielmn on 2015-05-27, 17:23:42

i havent tried this scene in awhile but I think the 1.0 version has fixed this.  I will try it out later when I get home.

Title: Re: Flickering problem
Post by: DjordjeIlic on 2015-05-27, 18:04:05

Thank you Danielmn....
please share any renders...
Thanks

Title: Re: Flickering problem
Post by: maru on 2015-05-28, 14:47:56

Here are some tests. I am not sure how close to original I recreated this. Note "splotchy" shadow near the edge o the tube in UHD-still, animation preset seems to fix this. I think the splotches inside of the tube (in hd cache) are caused by hd cache taking care of caustics.

ps. sorry for the forum compression

Title: Re: Flickering problem
Post by: danielmn on 2015-05-28, 15:49:14

yeah that looks a lot better,
your right about the UHD, I pretty sure the version I tested this on did not have it at the time. Sorry I got home late last night and did not have time to test.  Thank you again.

Title: Re: Flickering problem
Post by: DjordjeIlic on 2015-05-29, 00:38:59

Thanks Maru for these tests!
It was really helpful .

Danielmn doesn't matter.
Thank you anyway ;)