def test_z_speed(self):
n = 100000
tests = (
('wgs2gcj',
lambda: eviltransform.wgs2gcj(TESTS[0][0], TESTS[0][1])),
('gcj2wgs',
lambda: eviltransform.gcj2wgs(TESTS[0][0], TESTS[0][1])),
('gcj2wgs_exact',
lambda: eviltransform.gcj2wgs_exact(TESTS[0][0], TESTS[0][1])),
('distance', lambda: eviltransform.distance(*TESTS[0])))
print('\n' + '=' * 30)
for name, func in tests:
sec = timeit.timeit(func, number=n)
print('%s\t%.2f ns/op' % (name, sec * 1e9 / n))
def test_z_speed(self):
n = 100000
tests = (
('wgs2gcj',
lambda: eviltransform.wgs2gcj(TESTS[0][0], TESTS[0][1])),
('gcj2wgs',
lambda: eviltransform.gcj2wgs(TESTS[0][0], TESTS[0][1])),
('gcj2wgs_exact',
lambda: eviltransform.gcj2wgs_exact(TESTS[0][0], TESTS[0][1])),
('distance', lambda: eviltransform.distance(*TESTS[0]))
)
print('\n' + '='*30)
for name, func in tests:
sec = timeit.timeit(func, number=n)
print('%s\t%.2f ns/op' % (name, sec * 1e9 / n))
def get_track_json(self, trip_info):
"""Downloads the JSON for the GPS track"""
import json
url = SixFeetDownloader._FOOT_BASE_URL + SixFeetDownloader._TRACK_JSON_URL.format(trip_info.id)
doc, from_cache = self.track_downloader.download(url)
try:
points_json = json.loads(doc)
except:
logging.warning("Couldn't parse json for trip {0}".format(trip_info.id))
points_json = []
points = []
for p in points_json:
p[1], p[2] = eviltransform.gcj2wgs(p[1], p[2])
points.append(tripdb.GpsTrackPoint(p[1], p[2], p[3], p[0], p[4], p[5]))
return points, from_cache
if not os.path.exists(exportDir):
os.makedirs(exportDir)
# load places csv file and download directions
with open(inputFileName) as csvInput, open(exportDir + inputFileName, 'wb') as csvOutput:
csvReader = csv.DictReader(csvInput)
fieldnames = csvReader.fieldnames + ['filename', 'duration', 'distance']
csvWriter = csv.DictWriter(csvOutput, fieldnames)
csvWriter.writeheader()
for index, row in enumerate(csvReader):
# set up json output file
jsonFileName = jsonDir + 'file_%s.json' % index
startPlace = row['startLng'] + "," + row['startLat']
endPlace = row['endLng'] + "," + row['endLat']
# print row['startLat'], row['startLng'], row['endLat'], row['endLng']
startLatLng = eviltransform.gcj2wgs(float(row['startLat']), float(row['startLng']))
endLatLng = eviltransform.gcj2wgs(float(row['endLat']), float(row['endLng']))
subprocess.Popen("curl -o " + jsonFileName + " 'http://restapi.amap.com/v3/direction/" + direction_mode + "?origin=" + startPlace + "&destination=" + endPlace + "&output=json&key=" + access_token + "'", shell=True, stdout=subprocess.PIPE).stdout.read()
# coverts json to csv
with open(jsonFileName) as jsonFile:
jsonData = json.load(jsonFile)
jsonRoute = jsonData['route']['paths'][0]
duration = jsonRoute['duration']
distance = jsonRoute['distance']
steps = jsonRoute['steps']
# create a new csv for processing
csvFileName = 'file_%s.csv' % index
with open(exportDir+csvFileName, 'wb') as processinCSV:
processingCSVWriter = csv.DictWriter(processinCSV, ['latitude', 'longitude'])
def test_gcj2wgs(self):
for wgsLat, wgsLng, gcjLat, gcjLng in TESTS:
ret = eviltransform.gcj2wgs(gcjLat, gcjLng)
self.assertLess(
eviltransform.distance(ret[0], ret[1], wgsLat, wgsLng), 5)
def test_gcj2wgs(self):
for wgsLat, wgsLng, gcjLat, gcjLng in TESTS:
ret = eviltransform.gcj2wgs(gcjLat, gcjLng)
self.assertLess(eviltransform.distance(
ret[0], ret[1], wgsLat, wgsLng), 5)
