string_to_coords: Convert strings to numerical coordinates

In arete: Automated REtrieval from TExt

Convert strings to numerical coordinates

Description

Convert character strings containing geographic coordinates to sets of numeric values through a rule-based method. Useful as most LLM experience better and more consistent results when asked to return a single string instead of two separate values.

Usage

string_to_coords(coord_vector, verbose = TRUE)

Arguments

coord_vector	character. A string containing potential geographic coordinates.
verbose	logical. Whether or not to print the overall success of the function upon end.

Details

Will convert all strings to N, W for consistency's sake. In a future update the user will be able to specify the outcome format, e.g: "39°S 42°E".

Value

list. Contain latitude and longitude as the first and second elements, respectively.

Examples

 example = c('N 39degrees05’53” E 26degrees21’57”', "39 ° 80 ' N , 32 ° 78 ' E",
 "30 ° 20'54.32 \" N , 78 ° 0'53.37 \" E", "19 ° 34 ’ S 29 ° 10 ° E",
 "- 25.05012 S ; - 65.49622 W", "S 12 ° 06 ’ , W 76 ° 57 ’", 
 "19 ° 34 ’ S 29 ° 10 ° E", "19 ° 32 ’ S 29 ° 08 ° E")
 string_to_coords(example)

arete documentation built on Nov. 5, 2025, 6:31 p.m.