[mkgmap-dev] Behavior of overview options

Wed Mar 31 14:24:04 BST 2021

Hi Carlos,

the tricky part here is that -tdbfile is enabled by default. I don't remember why this was done, and I don't know why it is not documented, but you can use --no-tdbfile to overwrite the default.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <carlos at alternativaslibres.org>
Gesendet: Mittwoch, 31. März 2021 15:18
An: Development list for mkgmap
Betreff: [mkgmap-dev] Behavior of overview options

According to options file,  --overview-mapname and --overview-mapnumber
parameters should only have an effect "If --tdbfile is enabled...", but
they seem to be always taken into account regardless of --tdbfile, as
can be checked with command: java -jar mkgmap.jar --gmapsupp
--overview-mapname=test --overview-mapnumber=0000001 test.osm

Additionally, overview files (osmmap.img, osmmap.tdb and ovm_XXX.img)
are created when only --gmapsupp is passed to mkgmap (no --tdb-file), as
in the command below:

java -jar mkgmap.jar --gmapsupp test.osm

I think if you just want to create a gmapsupp file, overview files are
not needed at all and they should not be created.

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