Integrating Render Passes
A common task of visual effects compositing is the integration of 3D renders. Although these may be delivered to the compositor as completed “beauty” renders, they may also be delivered as render passes. Render passes often split the shot content into multiple image sequences. That is, objects within a single shot may be rendered separately. At the same time, individual objects may be further split into multiple shading component passes (Figure 7.1). As such, care must be taken to recombine the passes so that the final result appears equivalent to the original render seen in the 3D program. This requires the ...
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