I'm working in a project and I need to use postgis to get all the States contains in a City, now, I tried the following query: SELECT * FROM Table1, Table2 WHERE ST_Contains(Table1.the_geom, ...
I use Oracle MapViewer to generate my mapping data and currently I'm using an Oracle database as my spatial back-end. I would like to move my data over the PostGIS but I can't find any references if ...
i read an article on chicago tribune blog about making maps, it consist on "making choropleth maps using PostGIS, TileMill, Mapnik and Google Maps" on Mac environnement, my question is how we can ...
I am looking to create a city directory web app, and the site will need to be able to calculate distances between two geospatial points (like the distance between the user and a restaurant, or the ...