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Only refine individual solutions when error > TOLERANCE

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Rafa de la Torre
2016-07-05 18:36:28 +02:00
parent 2d95601c5a
commit 77cdc3d8ff
1 changed files with 7 additions and 5 deletions
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server/lib/python/cartodb_services/cartodb_services/mapzen/isolines.py
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@@ -56,11 +56,13 @@ class MapzenIsolines:
# let's refine the solution, binary search # let's refine the solution, binary search
for j in xrange(0, self.NUMBER_OF_ANGLES): for j in xrange(0, self.NUMBER_OF_ANGLES):
if errors[j] > 0:
rmax[j] = (rmax[j] + rmin[j]) / 2.0 if abs(errors[j]) > self.TOLERANCE:
else: if errors[j] > 0:
rmin[j] = (rmax[j] + rmin[j]) / 2.0 rmax[j] = (rmax[j] + rmin[j]) / 2.0
location_estimates[j] = self._calculate_dest_location(origin, angles[j], (rmax[j]+rmin[j])/2.0) else:
rmin[j] = (rmax[j] + rmin[j]) / 2.0
location_estimates[j] = self._calculate_dest_location(origin, angles[j], (rmax[j]+rmin[j])/2.0)
# and check "actual" costs again # and check "actual" costs again
resp = self._matrix_client.one_to_many([origin] + location_estimates, 'pedestrian') resp = self._matrix_client.one_to_many([origin] + location_estimates, 'pedestrian')