Geographic Information Systems
cffk
  • petrel.org
  • Princeton, NJ, USA
  • Member for 10 years, 3 months
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Charles Karney

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All Questions Answers
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22
How accurate is approximating the Earth as a sphere?
Jun 7 '13
15
Difference between Vincenty and great-circle distance calculations?
Jan 31 '14
10
What tools in Python are available for doing great circle distance + line creation?
Aug 7 '11
10
What Python package to use to calculate midpoint?
Apr 22 '13
8
What is approximate error of Pythagorean Theorem vs. Haversine Formula in measuring distances on sphere at various scales?
Apr 21 '13
8
Calculating intersection of two Circles
Mar 10 '13
7
Why is law of cosines more preferable than haversine when calculating distance between two latitude-longitude points?
Apr 22 '13
7
Which is the most accurate method of measuring distance?
Oct 4 '16
6
How to compute latitude and longitude of a point at a distance from another point in some direction?
May 20 '17
6
Latitude above and below the surface of the Earth
Aug 23 '18
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53
Is the Haversine Formula or the Vincenty's Formula better for calculating distance?
23
How accurate is GeoDistance?
16
Fast weighted random selection from very large set of values
12
How accurate is GeoDistance?
11
How accurate is GeoDistance?

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