def test_distance_between_location_methods(self):
"""
Test if two functions for calculating distance between two coordinate locations produces equal results
"""
pairs = list()
pairs.append([[0,0], [0,0]])
pairs.append([[0,90], [0,0]])
pairs.append([[0,0], [0,90]])
pairs.append([[0,-90], [0,0]])
pairs.append([[0,0], [0,-90]])
pairs.append([[45,0], [0,0]])
pairs.append([[0,0], [180,0]])
pairs.append([[180,0], [-180,0]])
pairs.append([[24,-89], [-100,-5]])
for pair in pairs:
d1 = geographic_utils.distance_between_locations(pair[0], pair[1])
d2 = geographic_utils.radians_between_locations(pair[0], pair[1])
self.assertAlmostEqual(d1, d2)
def linear_distance_falloff_valuator(node):
dist = geographic_utils.distance_between_locations(location, node.loc)
if dist > max_distance:
return 0
else:
return 1-(dist/max_distance)
