[mkgmap-dev] Problems with multiple maps in one gmapsupp.img

Sat Dec 12 11:31:53 GMT 2009

Hi

> I just take a look at the binary representation of the .img files. And what
> did I see?
> 00000600   01 30 30 30 31 30 30 30 30 52 47 4E 45 E8 2B 00   .00010000RGNE.+.
> 00003E00   01 30 30 30 31 30 30 30 30 4C 42 4C 00 00 00 00   .00010000LBL....
> and so on.
> This looks like if I also had to change the file name coded into the binary
> file. Possible?

Thats right, and indeed it is the only important thing.  The .img 
filename doesn't matter at all when creating the gmapsupp.

You can set it with the --mapname option when you create the .img.  If 
you use this option then the name of the input .osm file is ignored.

..Steve