The tiles can have any value set and will probably have a value that makes sense for the item it represents.
Early on they appeared to be mainly set...
I don't know the reasons it was used in the original game but I reckon you are likely correct that it was done because they saw no other way to do it...
I think there is an angle for the cone set in one of the config files (didn't find that until later), the size may be set by the range of the weapon...
It is possibly more to do with Xenonauts than Desura.
The sheer number of files in the Xenonauts directories plays havoc with most programs that try...
If you work decide on a naming convention for maps that people agree on then put it up as a new thread and let me know, I will sticky it for ease of...
Well I find the practicality and 'simplification' of the hidden movement screen to be highly subjective.
To simplify something you imply that it was...