isabella232 / nextgisutilities

:hammer: Various console utilities

NextGIS utilities

Various NextGIS console utilities

Usage

ng_cutter

Like ogr2ogr with multithread cutting (-clipsrc)

ng_cutter -f "ESRI Shapefile"  -overwrite -progress -skipfailures  -nlt MULTIPOLYGON -lco SPATIAL_INDEX=NO      -lco ENCODING=UTF-8 -clipsrc boundary.geojson ngcutter_clipped.shp multipolygons.shp

Install

sudo apt-get install software-properties-common python-software-properties
sudo apt-add-repository ppa:nextgis/ppa
sudo apt-get update
sudo apt-get install nextgisutilities-bin

See http://nextgis.ru/borsch/ for repository info

Performance checking

Normal run

time ogr2ogr -overwrite -progress -skipfailures -lco ENCODING=UTF-8 -clipsrc ./osm_cut/irk_bnd.shp ./osm_cut/water-polygon-ogr-final_tmp.shp ./osm_cut/water-polygon1.shp 0ERROR 1: Attempt to write non-polygon (LINESTRING) geometry to POLYGON type shapefile. ERROR 1: Attempt to write non-polygon (LINESTRING) geometry to POLYGON type shapefile. .ERROR 1: TopologyException: Input geom 0 is invalid: Self-intersection at or near point 106.2761148 56.456976099999999 at 106.2761148 56.456976099999999 ..10...20...30...40...50...60...70...80...90...100 - done.

real 3m15.196s

user 3m11.837s

sys 0m2.982s

Check if cut geometry contains output geometry

time ./ng_cutter -overwrite -progress -skipfailures -lco ENCODING=UTF-8 -clipsrc /Volumes/Data/tmp/osm_cut/irk_bnd.shp /Volumes/Data/tmp/osm_cut/water-polygon-ogr-final_tmp.shp /Volumes/Data/tmp/osm_cut/water-polygon1.shp 0..10...20...30...40...50...60...70...80...90...100 - done.

real 0m35.785s

user 0m35.068s

sys 0m0.536s

Multithreaded cut

time ./ng_cutter -overwrite -progress -skipfailures -lco ENCODING=UTF-8 -clipsrc /Volumes/Data/tmp/osm_cut/irk_bnd.shp /Volumes/Data/tmp/osm_cut/water-polygon-ogr-final_tmp.shp /Volumes/Data/tmp/osm_cut/water-polygon1.shp --config GDAL_NUM_THREADS 8 0...10...20...30...40...50...60...70...80...90...100 - done.

real 0m10.708s

user 1m1.093s

sys 0m15.187s

License

This program is licensed under GNU GPL v2 or any later version

Version

0.1.0-27

Commercial support

Need to fix a bug or add a feature to NextGIS Web? We provide custom development and support for this software. Contact us to discuss options!