Template:Archived Page History/Warning model lightmaps
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Warning:Models use the same UVs for lightmaps as $basetexture; as such, lightmapping on models with overlapping or tiling UVs may not appear as intended!
Warning:Lightmaps for models with multiple materials do not compile properly in VRAD![Clarify]
Workaround:Define a pre-baked $lightmap in the VMT of the VertexLitGeneric material.
Warning:Model lightmaps generated with VRAD are compiled as RGB888, which can result in noticeable color banding when brightly lit in HDR mode.
Workaround:
Shows the following warnings:





- Define a pre-baked[How?] RGBA16f $lightmap in the VMT of the VertexLitGeneric material.
- Increase lightmap resolution (results may vary).