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The great-circle distance, orthodromic distance, or spherical distance is the distance between two points on a sphere, measured along the great-circle arc between them. This arc is the shortest path between the two points on the surface of the sphere.
The great circle distance, \(d\), is the shorter arc joining two points on a great circle. We can also consider the chord (straight line) joining the two points, and we let its length be \(C\).
This uses the ‘haversine’ formula to calculate the great-circle distance between two points – that is, the shortest distance over the earth’s surface – giving an ‘as-the-crow-flies’ distance between the points (ignoring any hills they fly over, of course!).
The great circle is the largest circle that can be drawn on the surface of a sphere. A great circle is a section of a sphere that contains the diameter of the sphere and the diameter is the shortest distance between any two points on the sphere surface is the great circle distance.
26 sie 2008 · This script [in Javascript] calculates great-circle distances between the two points – that is, the shortest distance over the earth’s surface – using the ‘Haversine’ formula.
The haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes. Important in navigation, it is a special case of a more general formula in spherical trigonometry, the law of haversines, that relates the sides and angles of spherical triangles.
23 lip 2019 · The calculator computes the distance between two points on a spherical body along a great circle arc using the Haversine formula based on the latitude and longitude of two points and the mean spherical radius of the sphere. Enter the following: The calculator returns the distance between the two points in kilometers.
