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Python is an open source interpreted programming language used in many GIS programs.

5 votes
1 answer
16k views

Getting elevation for multiple lat long coordinates in Python

I have seen the answer to Elevation info for multiple lat long coordinates and I would like to be able to do this with a python script instead. I cannot use Googles API because I have 8000 points. …
Bstampe's user avatar
  • 223
2 votes
2 answers
2k views

When calcuating distance between points on Earth why are my Haversine vs. Geodesic calculati...

I am getting wildly diverging distances using two approximations to calculate distance between points on Earth's surface. I am using the Haversine (vectorized) approximation (spherical earth) and the …
Bstampe's user avatar
  • 223
4 votes

When calcuating distance between points on Earth why are my Haversine vs. Geodesic calculati...

There was a matrix algebra error in the Haversine formula. I updated the code in the question. I am getting much better agreement between Haversine and geodesic now: On my actual dataset:
Bstampe's user avatar
  • 223