I am discussing drilling through the Earth with my students. The classic cartoon version has a person drilling down in the United States and coming up in China, which has to be wrong because drilling ...
I have a table in postgis like this CREATE TABLE locations (id int, name VARCHAR(255), pos geography(POINT, 4326)); with a couple of points. E.G. INSERT INTO locations (name, pos) VALUES ...
I am working on some class examples in Python implemented within ArcMap to calculate the antipodal distance within a polygon. This is fairly routine for convex polygons, however, for concave ...