Parse a Latitude or Longitude String — parseLatLon • oce

Parse a latitude or longitude string, e.g. as in the header of a CTD file The following formats are understood (for, e.g. latitude):

** NMEA Latitude = 47 54.760 N
** Latitude: 47 53.27 N

Note that iconv() is called to convert the string to ASCII before decoding, to change any degree (or other non-ASCII) symbols to blanks.

Usage

parseLatLon(line, debug = getOption("oceDebug"))

Arguments

line: a character string containing an indication of latitude or longitude.
debug: a flag that turns on debugging. Set to 1 to get a moderate amount of debugging information, or to 2 to get more.

Value

A numerical value of latitude or longitude.

See also

Used by read.ctd().

Author

Dan Kelley