def trajectory_point_to_str(data, index, with_address=True):
coords = "%s, %s" % tuple(data[index][1:])
if with_address:
geocoder = Geocoder()
address = geocoder.reverse(coords, exactly_one = True).address
else:
address = None
tz = pytz.timezone('US/Pacific')
date = num2date(data[index][0], tz=tz)
try:
dt = (num2date(data[index+1][0]) - date).total_seconds()
dist = distance(data[index], data[index+1])
v = ms_to_mph*dist/dt if dt!=0 else 0
if dt < 60:
dt_str = "%ds" % dt
elif dt < 60*60:
dt_str = "%dmin" % (dt/60,)
else:
dt_str = "%.1fh" % (dt/60/60,)
metrics = "%s; %.2fm; %.fmph" % (dt_str, dist, v)
except IndexError:
metrics = "NO DATA"
return "Index:%s; Date:%s; Address:%s; Coords: %s; dt,ds,v:%s" % \
(index, date, address, coords, metrics)
