Tagged Questions
2
votes
2answers
76 views
Why are the results different for the same point using GEOS Point.transform and Postgis ST_Transform?
I'm trying to define a default point setting for OSM layers in my application and I want users to be able to define the default latitude and longitude in EPSG:4326. What I'm doing right now is to use ...
8
votes
0answers
239 views
Solutions for fast operations on large GIS datasets [duplicate]
Possible Duplicate:
Acquiring ArcGIS-like speed in Postgis
I have been using PostGIS 2.0 for all of my GIS operations. PostGIS is an excellent GIS database, but no matter how I format my ...
0
votes
1answer
89 views
How to solve “Error creating GEOS Coordinate Sequence” in Postgis?
When I run this query:
TRUNCATE sertaozinho.apps;
INSERT INTO sertaozinho.apps (id,tipo,the_geom)
VALUES (DEFAULT, 'app' ,(
SELECT st_union(
CASE
WHEN area.cobertura = 'lago' THEN ...
