[mkgmap-dev] Split gmapsupp.img

Sun Oct 18 12:05:04 BST 2020

The other files have to be split as well I am pretty sure. Each map should
also work independently. So it's just a matter of way take 3700MB for .IMG
files to have enough overhead for the MDR/MDX. Except if no address search,
then take 4050MB for split.

On Sun, 18 Oct 2020, 11:16 Carlos Dávila <carlos at alternativaslibres.org>
wrote:

> I'll have a look at that thread later. I can process large files in my
> server if needed.
>
> El 18/10/20 a las 9:50, Gerd Petermann escribió:
> > Hi Carlos,
> >
> > see
> http://gis.19327.n8.nabble.com/Split-gmapsupp-img-files-over-4GB-tc5967656.html
> >
> > I tried to code this at that time but got stuck because I didn't have
> the time to create such a large map to find out where MapInstall places the
> other files (e.g. MDR, TYP and if any other file or flag is needed.
> > Maybe I'll give it another try with a download of Europe made in 2019.
> Splitter will stress my PC for quite a while ...
> >
> > Gerd
> >
> > ________________________________________
> > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von
> Carlos Dávila <carlos at alternativaslibres.org>
> > Gesendet: Sonntag, 18. Oktober 2020 09:14
> > An: Development list for mkgmap
> > Betreff: [mkgmap-dev] Split gmapsupp.img
> >
> > As far a I know, mkgmap is able to produce unlimited size gmapsupp
> > files, but SD cards and internal device memories have a limit of 4 GB in
> > a single file. To overcome that limit, recent versions of Garmin City
> > Navigator maps are split into several gmapsupp that work as a single one
> > in devices which include them. Would it be possible to add an option to
> > mkgmap, so that it automatically splits gmapsupp when you process a map
> > that is larger than 4 GB?
> >
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>
>
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