bbox_to_string: Convert a named matrix or a named or unnamed vector to a string
Description
This function converts a bounding box into a string for use in web apis
Usage
bbox_to_string(bbox)
Arguments
bbox
bounding box as character, matrix or vector.
If character, the bbox will be found (geocoded) and extracted with
getbb. Unnamed vectors will be sorted appropriately and must merely be
in the order (x, y, x, y).
Value
A character string representing min x, min y, max x, and max y
bounds. For example: "15.3152361,76.4406446,15.3552361,76.4806446" is
the bounding box for Hampi, India.