[mkgmap-dev] Osmium or Splitter/mkgmap issue?

Wed Jun 10 22:52:52 BST 2020

Acth...

* osmium sort *"...will  take  roughly  10 times as much memory as the
files take on disk in  osm.pbf format"* - thus I can't pursue this  option
when dealing with several countries :(
* osmconvert seems to need o5m, not pbf... I have all pbfs.

On Wed, Jun 10, 2020 at 10:56 PM Gerd Petermann <
gpetermann_muenchen at hotmail.com> wrote:

> Hi Enrico,
>
> I use osmconvert. I am not familar with osmosis and I cannot use osmium on
> Windows.
> sort instead of merge sounds good, but I would expect an error message
> from splitter when data is not sorted correctly.
> You should also check the output from splitter reg. the bounds.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von
> Enrico Liboni <eliboni at gmail.com>
> Gesendet: Mittwoch, 10. Juni 2020 22:49
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Osmium or Splitter/mkgmap issue?
>
> Gerd -  however I see no reason why bounds should be different, I use the
> very same ones. By the way, as per my other email, it seems that usong
> osmium sort instead of osmium merge does the trick. Perhaps objects are not
> sorted as osmium merge expects...
>
> What do you usually use to merge pbfs?
>
> Thanks!
> Enrico
>
> On Wed, Jun 10, 2020 at 10:27 PM Gerd Petermann <
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com>>
> wrote:
> Hi Enrico,
>
> maybe the two files 70000001.osm.pbf have different bounds? If one is much
> larger the difference could be the additional data for sea and background
> polygons.
> In one command you list the input files, in the other you use *.pbf.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>> im Auftrag von Enrico Liboni <
> eliboni at gmail.com<mailto:eliboni at gmail.com>>
> Gesendet: Mittwoch, 10. Juni 2020 22:19
> An: Development list for mkgmap
> Betreff: [mkgmap-dev] Osmium or Splitter/mkgmap issue?
>
> I'm getting a weird behaviour: I merge <5MB pbfs,  when using osmium I get
> a 8MB img file while with osmosis it is less than 4MB! The latter seems
> fine since the initial pbfs are less than 5MB. I'd like to use osmium in my
> scripts since it performs better.
>
> Am I doing something wrong? Thanks to anyone that could shed some light on
> this!
>
> # input pbfs
> -r--r-----  1 enrico enrico 4673440 Jun 10 21:50 malta-latest.osm.pbf
> -r--r-----  1 enrico enrico   15376 Jun 10 21:50
> Malta_lon14.03_14.74lat35.65_36.00_view3.osm.pbf
> -r--r-----  1 enrico enrico    8300 Jun 10 21:50
> Malta_lon14.03_14.74lat36.00_36.18_view3.osm.pbf
> # using osmium
> $ osmium merge *.pbf -o all.pbf
> $ java -jar ../splitter/splitter.jar --mapid=70000001 all.pbf
> $ java -jar ../mkgmap/mkgmap.jar  --family-id=10030 --product-id=1
> --route --remove-short-arcs  --bounds=../bounds.zip \
>  --precomp-sea=../sea.zip  --location-autofill=is_in,nearest
> --draw-priority=20 --gmapsupp  --index --housenumbers 7000*pbf
>
> -rw-rw-r-- 1 enrico enrico 4695873 Jun 10 21:54 all.pbf
> -rw-rw-r-- 1 enrico enrico 4288669 Jun 10 21:54 70000001.osm.pbf
> -rw-rw-r-- 1 enrico enrico 7925760 Jun 10 21:55 70000001.img
> -rw-rw-r-- 1 enrico enrico 8171520 Jun 10 21:55 gmapsupp.img
>
> # using osmosis
> $ ../osmosis/bin/osmosis --rbf ./malta-latest.osm.pbf \
>  --rbf ./Malta_lon14.03_14.74lat35.65_36.00_view3.osm.pbf \
>  --rbf ./Malta_lon14.03_14.74lat36.00_36.18_view3.osm.pbf \
>  --merge --merge --wb all.pbf
> $ java -jar ../splitter/splitter.jar --mapid=70000001 all.pbf
> $ java -jar ../mkgmap/mkgmap.jar  --family-id=10030 --product-id=1
> --route --remove-short-arcs  --bounds=../bounds.zip \
>  --precomp-sea=../sea.zip  --location-autofill=is_in,nearest
> --draw-priority=20 --gmapsupp  --index --housenumbers 7000*pbf
>
> -rw-rw-r--  1 enrico enrico 4680030 Jun 10 22:03 all.pbf
> -rw-rw-r--  1 enrico enrico 4288668 Jun 10 22:04 70000001.osm.pbf
> -rw-rw-r--  1 enrico enrico 3547136 Jun 10 22:04 70000001.img
> -rw-rw-r--  1 enrico enrico 3788800 Jun 10 22:04 gmapsupp.img
>
> Using very latest splitter, mkgmap, and osmium (tried with 1.10 and 1.12
> compiled from source...).
> Note both gmapsupp.img seems to work just fine on the garmin device.
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