This PHP class can be used to calculate the distance between two points of latitude and longitude. The formulas utilized are the Great Circle method, Ellipsoid Approximation, and a more accurate Ellipsoid Calculation. A method is provided to also calculate azimuth between the two points on the earth.
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Date Added:
Apr 28, 2004
Last Updated:
Apr 28, 2004
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4.25 (out of 5)
