def checkDistances(path, outputPath):
with open(path + "stations.json", "r") as f:
stations = json.load(f)
with open(path + "suggestions.json", "r") as f:
suggestions = json.load(f)
numStations = len(stations)
print numStations, "actual stations"
print len(suggestions), "suggested stations"
updateEvery = numStations / 100
stationsSoFar = 0
allDists = {}
for station in stations:
stationsSoFar += 1
if stationsSoFar % updateEvery == 0:
sys.stdout.write(
"Creating lengths structure: %d%% \r" % (int(float(stationsSoFar) / numStations * 100))
)
sys.stdout.flush()
alat = float(station["lat"])
alon = float(station["lon"])
# print actualStation["id"]
for suggestion in suggestions:
slat = float(suggestion["lat"])
slon = float(suggestion["lon"])
dist = getDist(alat, alon, slat, slon)
if dist < 0.4:
if not suggestion["id"] in allDists:
allDists[suggestion["id"]] = {}
allDists[suggestion["id"]]["votes"] = suggestion["votes"]
allDists[suggestion["id"]]["dists"] = {}
allDists[suggestion["id"]]["dists"][station["id"]] = dist
print
end = clock()
print "Took", end - start, "seconds"
if not os.path.exists(outputPath):
os.mkdir(outputPath)
with open(outputPath + "lengthsStructure.json", "w") as f:
json.dump(allDists, f)
east = -73.693398 elif city == "dc": north = 39.210975 west = -77.454987 south = 38.694085 east = -76.811128 #from bottom-left to top-right # spaceVert = (north-south)/vertInc # spaceHoriz = (east-west)/horizInc iterations = 40 spaceVert = (north-south)/2 vertChange = (north-south)/2 for i in range(iterations): dist = getDist(south, west, south+spaceVert, west) if dist > gridSize: spaceVert -= vertChange elif dist < gridSize: spaceVert += vertChange else: break vertChange /= 2 spaceHoriz = (east-west)/2 horizChange = (east-west)/2 for i in range(iterations): dist = getDist(south, west, south, west+spaceHoriz) if dist > gridSize: spaceHoriz -= horizChange elif dist < gridSize:
