MarkS wrote:
> My approach is:
> - Run splitter on a UK extract
> - Run mkgmap with the GMAPSUPP option turned on to create a single UK
> file with (in my case) 11 sub-maps (one for each area). Make sure family
> name is defined in the options.
> - Run mkgmap again using a different style (in this case a style file
> showing speed limits and nothing else) again with the GMAPSUPP option
> turned on so I get GMAPSUPP.IMG as an output. Make sure family name is
> defined.
> - Run wgmaptool to combine these two GMAPSUPP.IMG files together. At the
> same time I also add in typ files and a couple of other GMAPSUPP.IMG
> files (one has contours and one is from OpenMTB). This creates a new
> GMAPSUPP.IMG file with all the individual files combined.
> - Copy to an SD card and put it in the garmin
> - In the garmin go to the list of the maps (which is very long in my
> case), press the menu button and it then lets you show/hide all the maps
> with the same family name in one go (so for example I can turn OpenMTD
> on/off in one go).
>
Very informative, thanks :-)
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