Originally Posted by magnusll
You cannot edit lightmaps without a 3d modeling program because the lightmaps are nothing else than a second set of textures which get applied to the objects. The mapping of the lightmap to the actual 3d geometry is made using texture vertices, no less and no more how you do it with textures; as such the final .TGA file will be all "mixed up" as the faces are "spread" all over the file.
Yep. But you can still change the hues and values.