Are there any free or reasonably priced databases for the US which can be searched and return latitude and longitude information?
Apologies for asking a question that has been asked before -- I've read through answers, and I'm left wondering how to implement the recommendations. I've never used SQL, Python, C, and have only ...
I have a PostGIS query that will return several million rows: SELECT t1.id AS id1, t2.id AS id2, ABS(t1.mean_h - t2.mean_h) AS h_diff, ST_Distance(t1.the_geom, t2.the_geom) AS dist FROM ...
I have a set of Sites in the thousands. Not all users see same the same Sites on the map - thus ACL. Data is stored in a non-GIS database (mssql, ora, etc) and right now is retrieved with a standard ...