Calculate the center point of multiple latitude/longitude coordinate pairs

Question

Given a set of latitude and longitude points, how can I calculate the latitude and longitude of the center point of that set (aka a point that would center a view on all poi

Answer 1

The simple approach of just averaging them has weird edge cases with angles when they wrap from 359' back to 0'.

A much earlier question on SO asked about finding the average of a set of compass angles.

An expansion of the approach recommended there for spherical coordinates would be:

• Convert each lat/long pair into a unit-length 3D vector.
• Sum each of those vectors
• Normalise the resulting vector
• Convert back to spherical coordinates