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.

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.

Author

Dan Kelley

Examples

library(oce)
formatPosition(prettyPosition(10 + 1:10 / 60 + 2.8 / 3600))
#> expression(c(10, 10, 10, 10, 10, 10, 10), c(0, 2, 4, 6, 8, 10, 
#> 12), c("N", NA, NA, NA, NA, NA, NA), NULL, NULL, NULL, NULL)