farms.utilities.ti_to_radius_csv
- farms.utilities.ti_to_radius_csv(time_index, n_cols=1)[source]
Convert a time index to radius.
- Parameters:
time_index (pandas.core.indexes.datetimes.DatetimeIndex) – NSRDB time series. Can extract from h5 as follows: time_index = pd.to_datetime(h5[‘time_index’][…].astype(str))
n_cols (int) – Number of columns to output. The radius vertical 1D array will be copied this number of times horizontally (np.tile).
- Returns:
radius (np.array) – Array of radius values matching the time index. Shape is (len(time_index), n_cols).