This shows starbucks locations around New York City along with finding the most isolated shop and the one furthest from any other store. is an interior position is a location on the convex hull (i.e. the set of ordered points constructing a barrier around the rest of the points),
home | about | code | more is the most isolated starbucks location (all the way to the bottom right), and is the location furthest away from any location (to the left of the blue one)