Ambient occlusion create contact shadows in the shade, in this tutorial we ll see how to composite the Ambient occlusion render element along the other elements inNuke, the main problem is to avoid to dirty the final compositing. Reflection occlusion could be used with shiny and metallic materials, a less known method talked about in the second part of this tutorial. Note: since V-RayNext, the AO compositing must be revisited, check my other tutorials.
Tutorial to watch next: “vr_compositing_pt3” and “vr_occlusion in depth”