Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: wert_stu on 2015-02-18, 09:38:31

Title: Render on white
Post by: wert_stu on 2015-02-18, 09:38:31

Hi! Need help with rendering isolated object on a white background. In vray I use a vray plane with alpha -1 and then do isolation using alpha channel in photoshop. How to do it in the corona?

Title: Re: Render on white
Post by: Lucutus on 2015-02-18, 09:52:44

if you just need a White Backround use the direct visibility override in the Environment panel in the Corona settings.

Greetz

Lucutus

Title: Re: Render on white
Post by: wert_stu on 2015-02-18, 10:22:42

Tnx, but I need keep the shadows.

Title: Re: Render on white
Post by: Lucutus on 2015-02-18, 10:38:22

Then i guess the ShadowCatcher Material of Corona could solve your Problem.

Greetz

Lucutus

Title: Re: Render on white
Post by: wert_stu on 2015-02-18, 16:16:41

ShadowCatcher Material works fine, but render time greatly increased and noise in the shadows does not go away. In the picture a simple scene with two corona light and simple material (10 minutes gone 115 passes). Vray would have done it for 30 seconds and the picture would be clean(