rufee: It's not quiet that simple if I'm not missing some texture apply feature in Hammer. For example, say that I created this rather simple object and lit it with GI in my 3d software:
http://i.imgur.com/rh7l37v.pngI then bake the whole object and end up with a baked texture that looks like this:
http://i.imgur.com/4f9zEsw.pngJust applying the texture to the same geometry in Hammer would not work since there's no UV-map options in Hammer that I know about. The manual way around it would be to create a baked texture for each face of the object and then apply them to the faces separately in Hammer, but that would take ages.
JefMOD: Thank you, I'll have a look at that radiosity program. Also thanks for the clarifications regarding UV maps, one way I can think of around this is to make a small portion of a corridor, bake GI to the faces and then edit the texture in photoshop to make it seamless, allowing for multiple iterations of that same portion of corridor.