parse_lat | R Documentation |
Parse latitude values
parse_lat(lat, format = NULL)
lat |
(numeric/integer/character) one or more latitude values |
format |
(character) format, default often works |
numeric vector
Throws warnings on parsing errors, and returns NaN
in each case
Types of errors:
invalid argument: e.g., letters passed instead of numbers, see https://en.cppreference.com/w/cpp/error/invalid_argument
out of range: numbers of out acceptable range, see https://en.cppreference.com/w/cpp/error/out_of_range
out of latitude range: not within -90/90 range
parse_lat("") ## Not run: parse_lat("-91") parse_lat("95") parse_lat("asdfaf") parse_lat("45") parse_lat("-45") parse_lat("-45.2323") # out of range with std::stod? parse_lat("-45.23232e24") parse_lat("-45.23232e2") # numeric input parse_lat(1:10) parse_lat(85:94) # different formats parse_lat("40.4183318 N") parse_lat("40.4183318 S") parse_lat("40 25 5.994") # => 40.41833 parse_lat("40.4183318N") parse_lat("N40.4183318") parse_lat("40.4183318S") parse_lat("S40.4183318") parse_lat("N 39 21.440") # => 39.35733 parse_lat("S 56 1.389") # => -56.02315 parse_lat("N40°25’5.994") # => 40.41833 parse_lat("40° 25´ 5.994\" N") # => 40.41833 parse_lat("40:25:6N") parse_lat("40:25:5.994N") parse_lat("40d 25’ 6\" N") ## End(Not run)
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