geosphere (version 1.5-10)

bearingRhumb: Rhumbline direction

Description

Bearing (direction of travel; true course) along a rhumb line (loxodrome) between two points.

Usage

bearingRhumb(p1, p2)

Arguments

p1

longitude/latitude of point(s). Can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object

p2

as above

Value

A direction (bearing) in degrees

References

http://www.edwilliams.org/avform.htm#Rhumb

http://en.wikipedia.org/wiki/Rhumb_line

See Also

bearing, distRhumb

Examples

# NOT RUN {
bearingRhumb(c(10,10),c(20,20))
# }

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