Tagged Questions
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 ...
4
votes
2answers
283 views
is there a way to tell if two linestrings “really” intersect in JTS or GEOS
In JTS (or GEOS) you can't tell if two linestrings really cross each other. The result is exactly the same whether the lines simply have a point in common but don't cross or if they really cross.
Is ...