Checks if two provided longitude coordinates crosses the antimeridian (180th meridian)

antimeridian_crossing.py

def check_crossing(lon1: float, lon2: float, validate: bool = False, dlon_threshold: float = 180.0):
    """
    Assuming a minimum travel distance between two provided longitude coordinates,
    checks if the 180th meridian (antimeridian) is crossed.
    """

    if validate and any([abs(x) > 180.0 for x in [lon1, lon2]]):
        raise ValueError("longitudes must be in degrees [-180.0, 180.0]")   
    return abs(lon2 - lon1) > dlon_threshold