2015-01-28 16:18 GMT-03:00 Esteban A. Maringolo <[email protected]>:
> Sure, > > I'll collect georeferenced data in a mobile app, which I'll later have to > group each one according to whether they fall inside a certain polygon > (geopolitcal boundaries, like city, district, province, etc.). > I could also geocode the coordinate and store all that data (city, > district, province, etc.), and then just group by each of these. And then > I'll have to plot that data on a choropleth map. > > But I'm asking to know if somebody has somehow mapped smalltalk geometry > objects to the typical geometry object of PostGIS. Something like PGPoint, > PGPolygon, that can "translate" themselves from/to string literals. > > I don't know about PostGIS, but if you need boundary datasets there is GADM or GeoNames which may cover your needs. Recently I did a ST script to read from GADM using a dBase package. And you could query throug SPARQL too. Hernán
