def _calculate_distance(latlon1, latlon2):
    """Calculates the distance between two points on earth.
    """
    lat1, lon1 = latlon1
    lat2, lon2 = latlon2
    dlon = lon2 - lon1
    dlat = lat2 - lat1
    R = 6371  # radius of the earth in kilometers
    a = np.sin(dlat / 2)**2 + np.cos(lat1) * np.cos(lat2) * (np.sin(dlon / 2))**2
    c = 2 * np.pi * R * np.arctan2(np.sqrt(a), np.sqrt(1 - a)) / 180
    return c
def _calculate_distance(latlon1, latlon2):
    """Calculates the distance between two points on earth.
    """
    lat1, lon1 = latlon1
    lat2, lon2 = latlon2
    dlon = lon2 - lon1
    dlat = lat2 - lat1
    R = 6371  # radius of the earth in kilometers
    a = np.sin(dlat / 2)**2 + np.cos(lat1) * np.cos(lat2) * (np.sin(dlon / 2))**2
    c = 2 * np.pi * R * np.arctan2(np.sqrt(a), np.sqrt(1 - a)) / 180
    return c
def _calculate_distance ( latlon1 , latlon2 ) : lat1 , lon1 = latlon1 lat2 , lon2 = latlon2 dlon = lon2 - lon1 dlat = lat2 - lat1 R = 6371 # radius of the earth in kilometers a = np . sin ( dlat / 2 ) ** 2 + np . cos ( lat1 ) * np . cos ( lat2 ) * ( np . sin ( dlon / 2 ) ) ** 2 c = 2 * np . pi * R * np . arctan2 ( np . sqrt ( a ) , np . sqrt ( 1 - a ) ) / 180 return c
Calculates the distance between two points on earth.
Calculates the distance between two points on earth .