You dont need the [X,Y] for minimaps...
i presume you are ona bout the X,Y on minimaps u can see with HH8 ?
Anyway what you need to do is, Open up the map u want in
[MAPEDIT]< is in most servers data folders.
Save the map as an .BMP file, Then open the (mapname.bmp) with PAINT.
go into image...