This is a little tool I created some time ago. I never wanted to publish it, but some ppl are interested in.

You can make from such an image:

...such a map for Radiant:



This is all you need:
http://www.killtube.org/downloads/bmp2map/

14.10.2012 - by kung foo man

- the compiler TCC is included, so you can modify the c-sourcecode
- you can learn C
- you can create .map's based on .bmp's
- i've never fully finished it
(because cod2map.exe/CoD2MP cant handle large terrains)
- have fun

K~ - killtube.org