Arnold Render - Volume Atmosphere problem


#1

Hi everyone, i’m rendering with arnold in maya. i have two render layers ( Background and Character ).

I setup all render layers, but the problem is when i render the character render layer in aov volume atmosphere. Maya render all scene and i just want the volume atmosphere which affect character.

I already checked aimatte in all the objets, but it doesn’t work for volume atmosphere.I want this because i already have the volume atmosphere of all scene in background render layer.

http://i.imgur.com/MjXNj3M.jpg

there any way to the background ignore volume atmophere without create a new render layer only for volume ?