Hi Jukka Is osmium-extract available in pyosmium? i'm using windows; and seems difficult to use osmium in windows
On Thu, Nov 1, 2018 at 7:13 PM jratike80 < [email protected]> wrote: > Hi, > > That is probably another problem, OSM pbf format does not support effective > selection by region so selecting a subarea from europe-latest.osm.pbf may > be > almost as slow as processing the whole dataset. I would try if > osmium-extract https://docs.osmcode.org/osmium/latest/osmium-extract.html > could do the clipping faster. > > -Jukka Rahkonen- > > > koji higuchi wrote > > Hi, my source file is too big, around 19gb (europe-latest.osm.pbf) > > I also tried ogr2ogr for clipping into region as follows. > > ogr2ogr -f, gpkg, -clipdst, str(ulx), str(lry), str(lrx), str(uly), fo, > > fi > > but it was also very slow. > > > > > > On Thu, Nov 1, 2018 at 6:55 PM jratike80 < > > > jukka.rahkonen@ > > >> wrote: > > > >> koji higuchi wrote > >> > Hi, following is the code I used: > >> > > >> > Import os, osmium, fiona > >> > > >> > fi = 'europe-latest.osm.pbf' > >> > fo = 'europe-latest.dpkg' > >> > > >> > drv = 'DPKG' > >> > >> Hi, > >> > >> I am not able to evaluate if your code is effective or not. However, I > >> can > >> give you some numbers for comparison. > >> > >> Test data http://download.geofabrik.de/europe/finland-latest.osm.pbf > >> - 322 MB as .pbf > >> - 770725 points > >> - 1778917 lines > >> - 3128 multilinestrings > >> - 2087911 multipolygons > >> - 6985 other relations > >> > >> Command: > >> ogr2ogr -f gpkg finland.gpkg finland-latest.osm.pbf > >> > >> Execution time on Windows laptop: > >> 2 minutes and 20 seconds > >> > >> If you experience some slower performance it is probably not because of > >> SQLite/GeoPackage as a format is slow but because something is not done > >> in > >> a > >> way that is not optimal for the format. Could you also define your > source > >> data and the performance that you have measured? > >> > >> -Jukka Rahkonen- > >> > > > > > > -- > Sent from: http://osgeo-org.1560.x6.nabble.com/GDAL-Dev-f3742093.html > _______________________________________________ > gdal-dev mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/gdal-dev
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