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Viewing Frustum




Viewing frustum culling or '''view frustum culling''' is the process of removing objects that lie completely outside the viewing frustum from the Rendering process. Rendering these objects would be a waste of time since they are not directly visible. In Ray Tracing , viewing frustum Culling cannot be performed because objects outside the viewing frustum may be visible when reflected off an object inside the frustum. To make culling fast, it is usually done using Bounding Volume s surrounding the objects rather than the objects themselves.