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remove unused position.getdistance API #155

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Merged
akrherz merged 1 commit into from
Dec 28, 2021
Merged

remove unused position.getdistance API #155

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18 changes: 0 additions & 18 deletions metar/Datatypes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -469,24 +469,6 @@ def __init__(self, latitude=None, longitude=None):
def __str__(self):
return self.string()

def getdistance(self, position2):
"""
Calculate the great-circle distance to another location using the Haversine
formula. See <http://www.movable-type.co.uk/scripts/LatLong.html>
and <http://mathforum.org/library/drmath/sets/select/dm_lat_long.html>
"""
earth_radius = 637100.0
lat1 = self.latitude
long1 = self.longitude
lat2 = position2.latitude
long2 = position2.longitude
a = (sin(0.5(lat2 - lat1))) ** 2 + cos(lat1) * cos(lat2) * (sin(
0.5 * (long2 - long1)) ** 2
)
c = 2.0 * atan(sqrt(a) * sqrt(1.0 - a))
d = distance(earth_radius * c, "M")
return d

def getdirection(self, position2):
"""
Calculate the initial direction to another location. (The direction
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