Created
March 11, 2017 19:33
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Example DataFrame roundtripping for OrthogonalMultidimensionalTimeseriesProfile
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import datetime | |
import numpy as np | |
import random | |
import pandas as pd | |
# construct fake dataframe | |
then = datetime.datetime.utcnow() | |
n_times = 2 | |
n_levels = 4 | |
n_stations = 3 | |
times = [then + datetime.timedelta(hours=h) for h in np.cumsum(np.random.uniform(size=n_times))] | |
stations = ['station{}'.format(i) for i in range(n_stations)] | |
levels = range(n_levels) | |
zs = np.cumsum(np.random.uniform(size=n_levels)) | |
lats = np.random.uniform(size=n_stations) * 180 - 90 | |
lons = np.random.uniform(size=n_stations) * 360 - 180 | |
ob = range(n_times * n_stations * n_levels) | |
time = np.repeat(times, n_stations * n_levels) | |
z = np.tile(np.repeat(zs, n_stations), n_times) | |
station = np.tile(stations, n_levels * n_times) | |
lat = np.tile(lats, n_times * n_levels) | |
lon = np.tile(lons, n_times * n_levels) | |
d = dict(station=station, t=time, ob=ob, z=z, y=lat, x=lon) | |
df = pd.DataFrame(d) | |
print(df) | |
from pocean.dsg.timeseriesProfile.om import OrthogonalMultidimensionalTimeseriesProfile | |
omtp = OrthogonalMultidimensionalTimeseriesProfile.from_dataframe(df, 'omtp.nc') | |
df2 = omtp.to_dataframe() | |
print('') | |
print(df2) |
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