Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] General Discussion => Topic started by: ondrike on 2013-10-12, 18:05:43

Title: glass and AA
Post by: ondrike on 2013-10-12, 18:05:43

Hi there,

I´ve got problem with AA when render glasses in studio. Doesnt matter if i let it cook 5 min or 5 hours. Still the same. glass material is solid glass, 1,52 IOR

Is there any solution?

Title: Re: glass and AA
Post by: Polymax on 2013-10-12, 20:58:26

Try increase  HCompression in the post rollout.

Title: Re: glass and AA
Post by: ondrike on 2013-10-12, 21:36:39

didn´t help :/ same result

Title: Re: glass and AA
Post by: Ondra on 2013-10-12, 22:52:46

maybe increasing internal resolution could help.

Title: Re: glass and AA
Post by: Ludvik Koutny on 2013-10-12, 23:15:47

If increasing highlight compression does not help, then exposure itself is probably way too high, which may not be noticeable in the scene without any diffuse materials, such as this one.

So first, i would increase highlight compression to the maximal value possible.

Then i would keep lowering exposure value until the problem goes away.

If the result happens to be too washed out, i would add some brightness/contrast in post.

Title: Re: glass and AA
Post by: ondrike on 2013-10-13, 19:36:52

problem solved. default max frame buffer just ignored AA.. With build-in buffer everything works, but I had to increte internal res to 4.

Title: Re: glass and AA
Post by: Ondra on 2013-10-13, 20:09:06

Quote from: ondrike on 2013-10-13, 19:36:52

problem solved. default max frame buffer just ignored AA.. With build-in buffer everything works, but I had to increte internal res to 4.

can you post the scene and report it as bug?

Title: Re: glass and AA
Post by: ondrike on 2013-10-13, 22:56:03

keymaster, don´t worry that wasn´t bug at all, but my stupidity :) everything works fine