0
votes
1answer
56 views

Is it possible to use JTS for calculations on data in geographic coordinates?

I have some spatial data that has all of its coordinates as lat/lon pairs (with about 10 digits decimal precision), it's stored in a database as WGS84 data. Some of the data is represented as polygons ...
1
vote
1answer
86 views

How to work with the STRtree Index when object in the index change it's position?

I'm work with the NTS(NetTopologySuite), I get large amounts of Point geometries, for fast querying the point object, I make the STRtree Index like this, STRtree tree = new STRtree(); foreach (var p ...
5
votes
3answers
273 views

Trying to combine nearby points into a polygon

We have collected millions of cell phone strength readings. I am trying to group points of the same strenght that are within a distance of each other in to a polygon. I asked on the postgis mailing ...