NVIDIA Iray - Light Path Expressions and Compositing Elements from lpe Watch Video
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Description: Iray 2014 now supports modern composting workflows with its Light Path Expression feature.With LPEs you can isolate any light contribution in your scene or even on a per object basis which gives you full creative control in post production to achieve your desired look.Your LPE render elements are rendered, up to 7 simultaneously, together with the final beauty pass.Iray also now generates common scene specific render elements such as, alpha channel, z-depth, normals, texture coordinates, m