Description Usage Arguments Value
This function returs the initial course heading (in degrees) for an orthodromic course between two points.
1 | gcb(lat1, lon1, lat2, lon2)
|
lat1 |
Latitude of departure point |
lon1 |
Longitude of departure point |
lat2 |
Latitude of destination point |
lon2 |
Longitude of destination point |
Returns the initial orthodromic course in degrees.
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