[mkgmap-dev] a new DEM-File Option

Tue Oct 31 12:11:57 GMT 2017

Hi,

i have build a "germany"-map only directly, without mapsource and 
without problems.

If mapsource make problems, then probaly the TDB is the reason.

By the way, have you recreate the TDB after including the DEM-files? 
That is very important. The TDB need the right filesize of all subfiles.

If you use DEM on gps device, then you should have one DEM-zoomlevel for 
every Maplevel (see option-file in your mkgmap-style). Use --dlong 
multiple with higher values, for example "--dlon=0.00027761 
--dlon=0.00049 --dlon=0.00075 --dlon=0.00106 --dlon=0.0017 
--dlon=0.0025" for 6 maplevels. Best values are to check out.

Frank

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