Enable wind in path tracing in unreal engine I Grass disappered in path tracing I WPO
I used this command to enable visibility of my landscape ground cover (foliage):
r.RayTracing.Geometry.LandscapeGrass 1
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Then I used this command to force enable WPO in path tracing: r.RayTracing.Geometry.InstancedStaticMeshes.EvaluateWPO 1
Then for the individual meshes(Trees) in the scene, I made sure that
Evaluate world Position Offset
and
Evaluate World Position Offset in Ray Tracing is checked in the details.
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I also made sure that nanite is disabled for every mesh I wanna use here.
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You may need this command to show instanced meshes in path tracing:
r.RayTracing.Geometry.InstancedStaticMeshes.Culling 0