Strange, try to look in gpsmapedit what polygon is used for background. Have you patched it to 0x4a, i have seen some people doing that (though I don't know what for)?

drawing level 0, and make sure no other is on 0 or it might be displayed behind the background. Color mode, no clue. I usually use maptk.

Are you sure that the typfile really got transferred to gps? Are you sure you set 0x4b as polygon to white (line 0x4b or poi 0x4b will of course not work).
Set a really strange color for say residential streets and look if it really changes on gps (if it only appears to work....).

Transparency is NOT set? If map is set as transparent strange results might happen with 0x4b defined.

Mark Burton wrote: 
Hi Felix,

  
yes, simply set background polygon 0x4b to a color (if using maptk watch 
out to set one pixel to something else, because usually if you go for a 
single color only maptk will put second color transparent and 
performance sucks, this is a bug in maptk, the online typfile editor is 
fine in this regard).
I like white (best contrast).
Black would be good only for maps used primarily at night, because you 
might save battery power, but readability is in my eyes still better 
with white.
    

Thanks for the quick response.

I tried doing that using http://ati.land.cz/gps/typdecomp/editor.cgi
but it doesn't make any difference. What drawing level and color mode
should I be using?

The other stuff in the TYP file (all line defs) appears to work fine.

Cheers,

Mark
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