Get halfway through a model and find it's an unworkable mess? Can't add edge loops where you need them? Can't subdivide a mesh properly? If any of this sounds familiar check this course out.
I noticed that when we use alpha pngs for trees and bushes , render time increases, i used
arnold & mental ray , am i missing something, can anyone help me with this.
Are you using them in a "cut out opacity" channel or in a typical transparency/refractive channel? I recall reading that Arnold (understandably) takes a performance hit if you use the latter.
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