Re: Library for calculating distance between ZIP codes

2021-02-16 Thread Ram
Thank you very much, Thomas. We will explore Geodetic and see if it is helpful. I really appreciate for the pointer. Best regards, ~Ram On Tue, Feb 16, 2021 at 10:02 PM Thomas Lockhart wrote: > Pre-calculating is pretty expensive: 81939*81938/2 = 3,356,958,891 entries > make a pretty big table.

Re: Library for calculating distance between ZIP codes

2021-02-16 Thread Thomas Lockhart
Pre-calculating is pretty expensive: 81939*81938/2 = 3,356,958,891 entries make a pretty big table. Calculating on the fly is probably not horribly expensive and you could calculate and save, thereby caching values which have been used before. Anyway, geodjango might be what you need. Plus the