GoogleNavigation Framework Reference
GMSGeometryHeading
extern CLLocationDirection GMSGeometryHeading(CLLocationCoordinate2D from,
CLLocationCoordinate2D to)
Returns the initial heading (degrees clockwise of North) at from of the shortest path to to.
The returned value is in the range [0, 360).
Returns 0 if the two coordinates are the same.
Both coordinates must be valid.
To get the final heading at to one may use (GMSGeometryHeading(to, from) + 180) modulo 360.
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Last updated 2024-11-15 UTC.
[null,null,["Last updated 2024-11-15 UTC."],[[["`GMSGeometryHeading` calculates the initial heading in degrees from one coordinate point to another."],["The heading is measured clockwise from North, within the range of 0 to 360 degrees (excluding 360)."],["If the starting and ending coordinates are identical, the function returns 0."],["The final heading at the destination point can be derived by adding 180 degrees to the initial heading from the destination to the starting point and taking the result modulo 360."],["Both input coordinates must be valid geographical locations."]]],[]]
