I have attached an image. The left side is where the lightcache and irr map are loaded from pre-calc and then rendered…causing the light problem. The right side is where ive loaded the lightcache from file and calculated the irr map on the fly (so no pre-calc for the irr map).
There are only 2 spots on the render that this is happening. Any ideas what this could be ?
The irr map was calculated at medium-animation both times. The pre-calc irr map was calculated on 3 different machines and then merged.
Such problems typically happen when a GI ray hits something bright in the scene; it could be due to GI caustics (reflective or refractive) or because there is some bright and small object in the scene (or maybe gap between objects through which a much brigher object is visible). The chance for getting such issues increases as you take more samples, so that’s why it may happen with a fly-through map, but not with a single frame map.