The actual number of paths is the square of the subdivs (the default 1000 subdivs mean that 1,000,000 paths will be traced from the camera). Subdivs – Determines how many paths are traced from the camera. The light cache file does not include the prefiltering of the light cache prefiltering is performed after the light cache is loaded, so that you can adjust it without the need to recompute the light cache. The light cache for the entire animated sequence is computed only at the first rendered frame and is reused without changes for subsequent frames.įrom file – The light cache is loaded from a file. Note that it may be better to set Scale to World for fly-through animations. The movement of the camera in the active time segment only is taken in consideration. Single frame – Computes a new light cache for each frame of an animation.įly-through – Computes a light cache for an entire fly-through animation, assuming that the camera position/orientation is the only thing that changes. Progressive path tracing – The light cache algorithm is used to sample the final image progressively.
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