osm-polygons-generation

Website to generate polygons for recursive relations in OpenStreetMap

Using this tool, you can get latest polygons from OSM, optionally simplified using PostGIS.

Features

Update geometry based on the latest OSM data
Preserve multiple geometries between sesssion
Simplify each shape using PostGIS ST_Buffer(ST_SimplifyPreserveTopology(ST_Buffer(ST_SnapToGrid(st_buffer(geom, %s), %s), 0), %s), 0))
For every version of the relation:
Display shape of polygon using image
Basic stats (number of nodes, lenght)
Export to WKT, poly and GeoJSON
More

virtualenv venv
source venv/bin/activate
pip install -r requirements.txt