[mkgmap-dev] Tiles pruned in DEM map

Tue Dec 22 09:15:33 GMT 2020

Hi Carlos,

It seems I still don't understand what the problem is or how to reproduce it.
I tried this command and the overview map looks OK:
java -Xmx4G -jar d:\mkgmap\dist\mkgmap.jar --dem=f:\srtm3 --overview-dem-dist=128000 --show-profiles=1 --gmapi f:\dwnload\temp\51145001.o5m

If it is related to the DEM data I probably cannot help much. You may try a slightly different value for the --overview-dem-dist option or a modified polygon
given with the --dem-poly option.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <carlos at alternativaslibres.org>
Gesendet: Montag, 21. Dezember 2020 22:09
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] Tiles pruned in DEM map

The problem seems to be caused by overview DEM. If I remove
--overview-dem-dist option tile is complete in MapSource. The issue can
be reproduced with this tile
<https://alternativaslibres.org/tmp/51145001.o5m> and HGT from
vierfinderpanoramas3

El 18/12/20 a las 11:48, Gerd Petermann escribió:
> Hi Carlos,
>
> not sure if I understand what the problem is. The two screenshots show completely different tile boundaries, so they were not created from the same splitter output.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Carlos Dávila <cardavilam at gmail.com>
> Gesendet: Donnerstag, 17. Dezember 2020 23:44
> An: Development list for mkgmap
> Betreff: [mkgmap-dev] Tiles pruned in DEM map
>
> I build several types of map (OSM, OSM+contour lines, maps for trucks
> and OSM+DEM) for the same area, using same input files. I split
> country.o5m with splitter and then use the same template.args output by
> splitter for all maps, just changing mapname for the different types of
> map. Given that, all resulting mapsets should have the same tiles, but
> tiles in DEM map are smaller than in the other types. They share part of
> the boundaries (usually two of them) with other types, but other
> boundaries are moved in, reducing displayed tile size. See attached
> screenshots. However, file size is the same (discounting *.DEM) for each
> tile in *.gmap subfolders.
>
> Command is quite similar for OSM and OSM+DEM maps:
>
> java -Xmx27G -ea -Dlog.config=logging.properties -jar mkgmap.jar -c
> opciones_comunes $CODEPAGE --gmapi --bounds=bounds.zip
> --precomp-sea=sea.zip --route --country-name=$PAIS --country-abbr=${ABR}
> --area-name=$MAPA --family-name="OpenStreetMap $MAPA"
> --family-id=1${FID} --product-version=$VERSION --series-name="OSM-$MAPA"
> --overview-mapname=${ABR}1${FID} --overview-mapnumber=${GRUPO}1${FID}000
> --name-tag-list=$NAMETAG --process-destination --process-exits
> --housenumbers --reduce-point-density=4 --polygon-size-limits="24:12,
> 18:10, 16:0" --order-by-decreasing-area --add-pois-to-areas
> --report-similar-arcs --report-dead-ends=2 --link-pois-to-ways
> --location-autofill=is_in,nearest --drive-on=detect,$DRIVEON
> --check-roundabouts --check-roundabout-flares --license-file=license_OSM
> --copyright-file=copyright $LANGUAGE --road-name-config=${CONFIG}
> --style=mio --check-styles -c $pais.args tmp/${ABR}1${FID}.txt
>
> java --Xmx27G -ea -Dlog.config=logging.properties -jar mkgmap.jar
> --dem=hgt/LIDAR,hgt/ALOS,hgt/VIEW1,hgt/SRTM1,hgt/EU-DEM,hgt/VIEW3,hgt
> --dem-poly=polygons/$pais.poly --dem-dists=3312,6624,9936,13248,26512
> --overview-dem-dist=128000 -c opciones_comunes $CODEPAGE --gmapi
> --show-profiles=1 --bounds=bounds.zip --precomp-sea=sea.zip --route
> --country-name=$PAIS --country-abbr=${ABR} --area-name="$MAPA"
> --family-name="OSM $MAPA DEM" --family-id=5${FID}
> --product-version=$VERSION --series-name="OSM-$MAPA-DEM"
> --overview-mapname=${ABR}5${FID} --overview-mapnumber=${GRUPO}5${FID}000
> --name-tag-list=$NAMETAG --process-destination --process-exits
> --housenumbers --reduce-point-density=4 --polygon-size-limits="24:12,
> 18:10, 16:0" --order-by-decreasing-area --add-pois-to-areas
> --link-pois-to-ways --location-autofill=is_in,nearest
> --drive-on=detect,$DRIVEON --check-roundabouts --check-roundabout-flares
> --license-file=license_OSM_${HGT} --copyright-file=copyright $LANGUAGE
> --road-name-config=${CONFIG} --style=mio --remove-ovm-work-files=true -c
> ${pais}-DEM.args tmp/${ABR}5${FID}.txt
>
> Both OSM and OSM+DEM maps can be downloaded from
> https://alternativaslibres.org/en/downloads.php#Oceania
>
> Any idea why this happens?
>
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> mkgmap-dev at lists.mkgmap.org.uk
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