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[Max] Bug Reporting / Re: Strange shadow + GI bug
« on: 2023-05-12, 10:54:04 »
Any workaround possible when this issue is cause by Corona Sun like in my case? Disabling adaptivity works but it also increases rendertime.
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Some thoughts - similar artifacts can be caused by multiple things:
- If you're using any kind of GI caching, make sure it's recalculated every frame
- Could be the adaptive enviro sampler as said above
- Do the affected materials use a Rayswitch mtl with different materials for GI and Reflection?
- Are you using a HDR bitmap in dome mode? If so, is your geometry below 0 in z-axis? Similar artifacts can occur if this is the case, in that case you could try to translate the map to negative z-axis values encompassing any geometry (within the CBitmap settings)
But it's sure strange that you're seeing this only when rendering the animation and not with single renders.