Dear GDAL dev team,
I am not sure if I am following a wrong approach, if there is an issue with the
osm driver, the distributed OSM file or if the error message is just ambiguous
and could be improved.
I used ogr2ogr to select 12 keys to be extracted as polygons along with
something around 40 conditions. The algorithm had worked well on a tiny OSM
file with the city of Munich so tested it I on a small sample area of 1°x1° on
the global planet OSM file:
ogr2ogr -spat 10 45 11 46 -f gpkg c:\daten\osm_planet\1x1.gpkg
c:\daten\osm_planet\planet-220502.osm.pbf multipolygons -select
"name,aeroway,amenity,building,historic,landuse,leisure,military,office,tourism,shop,landuse
" -where @ogr2ogr_condition.txt
The first 70% were reached after one hour but then the process slowed down and
after 19 hours I got an error message:
0...10...20...30...40...50...60...70...80...90.ERROR 1: Too many different keys
in file
If this is because one or more features exceed the maximum amount of doable
keys, is the officially by OSM distributed file wrong or too large to be
processed by ogr2ogr or what's the matter? I tried to read the relevant source
code file where the error message occurs but it's too cryptic to me.
Content of ogr2ogr_condition.txt for the sake of completeness:
historic is null and
(
office is not null or
building='hotel' or
building='hospital' or
building='apartments' or
building='barracks' or
building='dormitory' or
building='warehouse' or
building='monastery' or
building='public' or
building='hangar' or
tourism='guest_house' or
tourism='apartment' or
tourism='hostel' or
tourism='museum' or
tourism='gallery' or
tourism='motel' or
tourism='hotel' or
amenity='university' or
amenity='research_institute' or
amenity='social_facility' or
amenity='school' or
amenity='kindergarten' or
amenity='kindergarden' or
amenity='exhibition centre' or
amenity='student_accommodation' or
amenity='library' or
amenity='clinic' or
amenity='hospital' or
amenity='public_building' or
amenity='concert_hall' or
amenity='prison' or
amenity='theatre' or
amenity='courthouse' or
aeroway='terminal' or
shop='mall' or
military='base' or
military='barracks' or
military='office' or
landuse='education' or
landuse='commercial' or
landuse='industrial'
)
I'd be grateful for any hints and glad to contribute to any error message
improval if indicated.
Kind regards, Tobias Schmetzer
ZAE Bayern
Tobias Schmetzer, Dipl. Ing.
Wissenschaftlicher Mitarbeiter Systementwicklung | Scientific Staff Member
Systems Engineering
Bereich Energiespeicherung| Division Energy Storage
Walther-Meißner-Str. 6
85748 Garching
Tel.: +49 89 329442-65
Fax: +49 89 329442-12
tobias.schmet...@zae-bayern.de<mailto:tobias.schmet...@zae-bayern.de>
http://www.zae-bayern.de<http://www.zae-bayern.de/>
ZAE Bayern - Bayerisches Zentrum für Angewandte Energieforschung e. V.
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