How to avoid faceted glass with glossy refraction?

[vergefio]

Hi guys
i'm expiriencing this problem in the latest project i'm working on... irrmap + lc



and glass mat



Thx

[natty]

Looks like lightcache to me .. use a fixed filter ..
show us your settings.

[flipside]

Try turning off 'use lightcache for glossy rays' in LC parameters

[vergefio]

Thx both for your replies.... i've unchecked "use lightcache for glossy rays" and now works !