
Comunque ho trovato l'argomento del forum ufficiale e stando a quello dovrei fare 128/32=4 come valore minimo.
ho provato ma i tempi allungano quindi come valore minimo lasco a 1 quindi configurazione standard 1-32-0.01.
Per quanto riguarda il profilo colore di solito ho sempre il paramento su disabilitato (avevo letto in una guida) e l'AO lo lascio sempre spento perché uso quello del multipass.
"1) the AA quality is NOT the max AA value, but the AA threshold.
2) the max AA value is the possible range only
3) the max AA divides the max subdivisions.
so if max AA is 32 and your light as a subdiv of 256, you actually start with subdivision 256/32=8,
so vray start with a subdivision of 8, then checks if the threshold quality is reached, then continues in caes to render or leave it if threshold value is ok.
so the main value is the AA threshold.
usual subdivisions for area lights with AA 32 are 64, 128,256, 512 etc
it is wise to give vray a higher range for AA, and use higher subdivisions as you get faster render with more quality. than with low max AA and lower subdiv. that is why new max AA is set to 32."
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