5. Utils

General functions that may be useful.

utils.ortho_distance(lon_1, lat_1, lon_2, lat_2)	Compute the orthodromic distance in kilometers between (lon_1, lat_1) and (lon_2, lat_2).
utils.spherical_heading(lon_1, lat_1, lon_2, ...)	Compute the spherical heading in degrees between the north and the direction formed by the two positions (lon_1, lat_1) and (lon_2, lat_2).
utils.convert_utc_to_loc(df, local_timezone)	Convert datetime from UTC to the local timezone.
utils.convert_loc_to_utc(df, local_timezone)	Convert datetime column from the local timezone to UTC.
utils.apply_functions_between_samples(df, ...)	Apply a chosen function (e.g. sum, mean, min, max) over every high resolution elements between two subsamples defined by a given resolution.
utils.get_largest_factor(n)	Compute the largest factor.
utils.nearsq_grid_layout(n[, tol])	Compute the near-square grid layout dimensions with a width to height ratio being smaller than a given tolerance.