A version of the PostGIS open source spatial database

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6
votes
1answer
2k views

How to measure length of line accurately?

In postgis 1.5 for the below given query the answer is 1540651.62674101 meters , SELECT ST_Length(ST_GeomFromText('LINESTRING(77.83042478941326 9.98463896136159,78.03469506809812 23.90398909552571 ...
4
votes
1answer
330 views

Monster Spatial database server suggestions

I'm going to setup a open Mapserver w/ Openlayers, Geojango, Postgis using Postgresql. And I need some suggestions from people that have been shopping for what I need longer than I have. What would ...
8
votes
2answers
683 views

Splitting polylines using regions with PostGIS

I was wondering if it is possible to split a polyline on polygon boundaries (regions) in PostGIS, the picture below is of what we have at the moment and showing where I need the polylines split: ...