The voronoi tag has no wiki summary.
3
votes
2answers
85 views
What Is The Ideal Workflow To Map (British) Postcode Territories
I'm looking for the best workflow for mapping postcodes and calculated territories, but being relatively new to mapping I'm struggling on a few details and also the best practices for displaying these ...
2
votes
0answers
47 views
Python Script that calls the Voronoi Polygons Function?
I've been looking to see if there was a way to call Voronoi Polygons function found in Vector/Geometry Tools, directly from the code but I have not found one. Does this currently exist? Is there a way ...
6
votes
3answers
559 views
How best to fix a non-noded intersection problem in PostGIS?
I'm using a PL/R function and PostGIS to generate voronoi polygons around a set of points. The function that I am using is defined here. When I use this function on a particular dataset I get the ...
6
votes
2answers
417 views
Converting point sets to polygon boundaries
I'm trying to convert sets of points to their respective polygon boundaries. I think this is something like a Voronoi diagram or Convex Hull, but not quite. I'm sure there's a technical term for it, ...
10
votes
1answer
807 views
Voronoi polygons that run out to infinity
I have been working on implementing the voronoi.py script (Bill Simon's translation of Steve Fortune's code). According to the QGIS link it is basically the same code that I am working with, but the ...
4
votes
1answer
3k views
Thiessen Polygon delineation within a Feature
Greetings!
I am trying to create Thiessen (Voronoi) polygons, based on points within a defined shapefile extent.
The output should be inclusive to the feature. The output I receive now is the ...
8
votes
2answers
2k views
Is it possible to create Thiessen polygons around nodes in QGIS?
Is it possible to create Thiessen polygons around nodes in QGIS? e.g. http://en.wikipedia.org/wiki/Voronoi_diagram
7
votes
2answers
541 views
Is there a described GIS method for creating catchment areas based on nearest driving distance?
ie. a combination of Voronoi polygons with isochrones, so that the Voronoi polygons are based on driving distance instead of Euclidean distance. Is there a name or a described method for this?
