Model Has no shadows

Development Rendering
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1

I have a few models made by photogrametery with overlapping UVs, much like the rocks in the open world demo. When I place mine in a level they cast shadows on the ground, but they have no shadows, well no shading, there is no shaded side of the rock. Anyone know how to correct this?

Thanks

2

Make sure you have a UV channel for lightmaps–that means the UV’s can’t be overlapping and they must be in the 1x1 space. After that, make sure you use the mesh as a static mesh and you have either Static or Stationary lights and then build your lighting. Also, check your lightmap resolution on the mesh, the default setting may be too low.

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Thanks I’ll try all that.