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Nicklas Avén's user avatar
Nicklas Avén's user avatar
Nicklas Avén's user avatar
Nicklas Avén
  • Member for 13 years, 7 months
  • Last seen more than a month ago
  • Lysvik, Sweden
0 votes

GIS Web API - WFS-T Edit

6 votes
Accepted

Calculating distance of point from arc/polyline using PostGIS?

5 votes
Accepted

GIS project advice

4 votes

Algorithms for matching segments

11 votes

The general public and their ability to use GIS applications - do we still need paper maps?

3 votes

Calculate centroid of a point cluster

4 votes

Improving performance when merging features using ArcObjects

8 votes

Remove duplicates from Spatialite

57 votes
Accepted

Selecting features that do NOT intersect in PostGIS

20 votes
Accepted

assign unique id to point features

35 votes
Accepted

Creating regular point grid inside polygon in PostGIS

33 votes
Accepted

Counting Points in Polygon with PostGIS

3 votes
Accepted

Enhancing performance of join query for mapnik using PostGIS

14 votes

Getting started with PostGIS?

1 vote

Linestring table (of MultiLinestrings) ST_Intersection

6 votes

Alternatives to Network Analyst

-1 votes

update one shapefile attribute table with values from another dbf table

4 votes
Accepted

Updating attribute values of points outside area using PostGIS

6 votes

Calculating lat/lons from PostGIS table which has projected coordinate system?

1 vote

Incremental retrieval of data from a database - OpenLayers

2 votes

Postgres/PostGIS skip intersect on features already intersected

5 votes
Accepted

Is there a way to calculate length of linestring from one point to another?

23 votes

What are Definition, Algorithms and Practical Solutions for Concave Hull?

2 votes
Accepted

Distance between 2 3D points(GPS+altitude) in PostGIS

1 vote

Representing network flows?

1 vote

Add column to show intersection with another layer

4 votes

Postgis convert long lat from 2 different locations into line and calculate the distance in meters

1 vote

How do you produce a output table containing distances between mineral grains at various azimuthal directions?

1 vote
Accepted

What information is stored in a PostGIS geometry and how can I access it?

0 votes

How to get MultiPolygon from MultiPoint for area calculation in Postgis?

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