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stupid shadow artefacts on nanite landscape
wtf is this and how do I make it go away? (it is not the thing with a solution in the video you just thought of) UE 5.3.2 Hardware raytracing is disabled (which is why its not the thing in the aforementioned video) Lumen is enabled Landscape is nanite Virtual shadow maps are enabled It goes away when the landscape is not… -
Re: stupid shadow artefacts on nanite landscape
Any development on this issue? I'm at a new studio and they have exactly the same issue. Nanite landscape and HW raytracing off. I initially thought raytraced shadows but it can't be. To be fair, the current prototype doesn't even make use of nanite properly on terrain so it's just looking ugly for no reason. Except maybe… -
Re: stupid shadow artefacts on nanite landscape
Sorry if this is so obvious nobody even mentioned it, but have you checked it with Lumen and RT off completly? I vaguely remember William Faucher posting a video about this exact artifact and I remember being able to solve it on a previous project involving nanite landscapes, but can't remember how. I'll try finding it...… -
Re: stupid shadow artefacts on nanite landscape
yep. to add.. Behaviour appears to change in synch with mips in the virtual shadow map - there is actually a distance where the artefact isn't visible. The patterning of the artefact does look similar to the artefacts you get with two sided ray-traced shadows on nanite objects -
Re: stupid shadow artefacts on nanite landscape
development..? Ignoring it has been a pretty effective strategy so far - I dont notice once there's grass and stuff Barring that artefact I haven't seen nanite landscapes do anything they shouldn't in terms of how the shadows look. They do plenty of other things they shouldn't - like not load in PIE or not load in packaged… -
Re: stupid shadow artefacts on nanite landscape
yeah - the first one isn't a bad shout but this is exclusive to nanite landscapes (watched the video with no sound so may have missed something. I suspect it's got something to do with the geomegrty it chooses for shadows at a given mip as it only really appears where the landscape has fairly high rate changes of… -
Re: stupid shadow artefacts on nanite landscape
havent actually gone back to check that landscape but in a different project i found that forcing shadow cache invalidation on the landscape to static cleared up a load of crappy shadowing artefacts. obviously not useful if you plan to animate your landscape in some way but I dont think that's a common use case -
Re: stupid shadow artefacts on nanite landscape
Ah man I'm sorry. I'll do some tests my side later and see how it goes, but glad you're able to ignore it. -
Re: stupid shadow artefacts on nanite landscape
still haven't got a fix - and thanks for trying but that is the very video I was referring to in the first post. ignoring it is still working pretty well for me -
Re: stupid shadow artefacts on nanite landscape
Just realised I necro'd this thread. Sorry! Hope you found a fix or if not, hope this helps.
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