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@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.h...
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@lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <carlos@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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