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def chunks(l, n):
for i in range(0, len(l), n):
yield l[i : i + n]
def seconds_to_minutes(secs):
return f"{secs // 60}:{secs % 60:02}"
def normalize_lat_lng(lat, lng):
if lat[0] not in "NS" or lng[0] not in "EW":
raise Exception("Lat/lng must be formatted as N12.345 and E67.890")
nlat = float(lat[1:]) * (-1 if lat[0] == "S" else 1)
nlng = float(lng[1:]) * (-1 if lng[0] == "W" else 1)
return nlat, nlng
def display_lat_lng(lat, lng):
dlat = str(abs(lat)) + "°" + ("N" if lat > 0 else "S")
dlng = str(abs(lng)) + "°" + ("E" if lng > 0 else "W")
return dlat, dlng
def deg_to_cardinal(deg):
cardinals = [
"N",
"NNE",
"NE",
"ENE",
"E",
"ESE",
"SE",
"SSE",
"S",
"SSW",
"SW",
"WSW",
"W",
"WNW",
"NW",
"NNW",
]
n = len(cardinals)
degs = 360 / n
return cardinals[round((deg % 360) / degs) % n]
class Location(object):
def __init__(self, lat, lng):
self.lat = lat
self.lng = lng
@classmethod
def from_labelled(cls, lat, lng):
if lat[0] not in "NS" or lng[0] not in "EW":
raise Exception("Lat/lng must be formatted as N12.345 and E67.890")
nlat = float(lat[1:]) * (-1 if lat[0] == "S" else 1)
nlng = float(lng[1:]) * (-1 if lng[0] == "W" else 1)
return cls(nlat, nlng)
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