Round a geographical positions in degrees, minutes, and seconds
Depending on the range of values in x, rounding is done to degrees,
half-degrees, minutes, etc.
Usage
prettyPosition(x, debug = getOption("oceDebug"))
Arguments
x
a series of one or more values of a latitude or longitude, in
decimal degrees
debug
set to a positive value to get debugging information during
processing.
Value
A vector of numbers that will yield good axis labels if
formatPosition is used.