3
votes
1answer
57 views

Calculate geo location based on distance from other locations

Given a list of entities (or GeoPositions) and their distances from a particular location, how do I find that location's ...
15
votes
3answers
553 views

How can I list all the 'countries 4000 km far from current location'?

A friend said to me on Facebook that she is 4000km away. So I want to try to guess where she is. How can I find which countries are a given distance from my current location?
7
votes
3answers
688 views

plotting a {{Latitude,Longitude}} list on top of a GIS shapefile

I have a dataset composed of points specified in {Latitude,Longitude} format. Call it latlong for the purposes of this question. It displays properly with ...