def load_recording(rec):
# print "Rec.trip type:",type(rec.trip)
path = decode_flightpath(str(rec.trip), rec.version)
dynamic_id = md5(rec.trip).hexdigest()
out = Track()
out.points = []
maxlat = -1000
maxlon = -1000
minlat = 1000
minlon = 1000
laststamp = None
numpoints = path["path"]
le = len(numpoints)
cutoff = le / 2
for idx, (pos, stamp, altitude) in enumerate(path["path"]):
lat, lon = mapper.merc2latlon(pos, 17)
maxlat = max(maxlat, lat)
minlat = min(minlat, lat)
maxlon = max(maxlon, lon)
minlon = min(minlon, lon)
if laststamp == None or stamp - laststamp > cutoff or idx == le - 1:
out.points.append(((lat, lon), altitude * 0.3048, datetime.utcfromtimestamp(stamp / 1000.0)))
laststamp = stamp
print "Took %d points" % (len(out.points),)
out.bb1 = (maxlat, minlon)
out.bb2 = (minlat, maxlon)
out.dynamic_id = dynamic_id
return out
def load_recording(rec):
#print "Rec.trip type:",type(rec.trip)
path = decode_flightpath(str(rec.trip), rec.version)
dynamic_id = md5(rec.trip).hexdigest()
out = Track()
out.points = []
maxlat = -1000
maxlon = -1000
minlat = 1000
minlon = 1000
laststamp = None
numpoints = path['path']
le = len(numpoints)
cutoff = le / 2
for idx, (pos, stamp, altitude) in enumerate(path['path']):
lat, lon = mapper.merc2latlon(pos, 17)
maxlat = max(maxlat, lat)
minlat = min(minlat, lat)
maxlon = max(maxlon, lon)
minlon = min(minlon, lon)
if laststamp == None or stamp - laststamp > cutoff or idx == le - 1:
out.points.append(((lat, lon), altitude * 0.3048,
datetime.utcfromtimestamp(stamp / 1000.0)))
laststamp = stamp
print "Took %d points" % (len(out.points), )
out.bb1 = (maxlat, minlon)
out.bb2 = (minlat, maxlon)
out.dynamic_id = dynamic_id
return out
def parseRecordedTrip(user, inp, headers_only=False):
def readShort():
return struct.unpack(">H", inp.read(2))[0]
def readInt():
return struct.unpack(">I", inp.read(4))[0]
def readLong():
return struct.unpack(">Q", inp.read(8))[0]
def readUTF():
len = readShort()
#print "Read string of length %d"%(len,)
data = inp.read(len)
return unicode(data, "utf8")
magic = readInt()
#print "magic",magic
#print "magic:",hex(magic)
if magic != 0xfafafa01:
raise Exception("Bad magic in uploaded file")
version = readInt()
if version < 2 or version > 3:
raise Exception("Version not even supported by server: %d" %
(version, ))
departure = readUTF()
destination = readUTF()
buf = inp.read()
#print "Read %d bytes to parse using c++ optimized triplog decoding routine"%(len(buf),)
path = decode_flightpath(buf, version)
startstamp = path['startstamp']
endstamp = path['endstamp']
startpos = path['startpos']
endpos = path['endpos']
distance = path['distance']
path = path['path']
#print "uploaded stamp:",startstamp
rec = Recording(user, datetime.utcfromtimestamp(startstamp // 1000))
rec.end = datetime.utcfromtimestamp(endstamp // 1000)
rec.duration = float(endstamp - startstamp)
rec.distance = distance
rec.depdescr = departure[:99]
rec.destdescr = destination[:99]
rec.trip = buf
rec.version = version
return rec
def parseRecordedTrip(user, inp, headers_only=False):
def readShort():
return struct.unpack(">H", inp.read(2))[0]
def readInt():
return struct.unpack(">I", inp.read(4))[0]
def readLong():
return struct.unpack(">Q", inp.read(8))[0]
def readUTF():
len = readShort()
# print "Read string of length %d"%(len,)
data = inp.read(len)
return unicode(data, "utf8")
magic = readInt()
# print "magic",magic
# print "magic:",hex(magic)
if magic != 0xFAFAFA01:
raise Exception("Bad magic in uploaded file")
version = readInt()
if version < 2 or version > 3:
raise Exception("Version not even supported by server: %d" % (version,))
departure = readUTF()
destination = readUTF()
buf = inp.read()
# print "Read %d bytes to parse using c++ optimized triplog decoding routine"%(len(buf),)
path = decode_flightpath(buf, version)
startstamp = path["startstamp"]
endstamp = path["endstamp"]
startpos = path["startpos"]
endpos = path["endpos"]
distance = path["distance"]
path = path["path"]
# print "uploaded stamp:",startstamp
rec = Recording(user, datetime.utcfromtimestamp(startstamp // 1000))
rec.end = datetime.utcfromtimestamp(endstamp // 1000)
rec.duration = float(endstamp - startstamp)
rec.distance = distance
rec.depdescr = departure[:99]
rec.destdescr = destination[:99]
rec.trip = buf
rec.version = version
return rec
