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un normalize sun elevation #132

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merged 1 commit into from
Nov 20, 2024
Merged

un normalize sun elevation #132

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4 changes: 4 additions & 0 deletions india_forecast_app/models/pvnet/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
import xarray as xr
import yaml
from ocf_datapipes.batch import BatchKey
from ocf_datapipes.utils.consts import ELEVATION_MEAN, ELEVATION_STD

from .consts import (
nwp_ecmwf_path,
Expand Down Expand Up @@ -174,6 +175,9 @@ def set_night_time_zeros(batch, preds, sun_elevation_limit=0.0):
if not isinstance(sun_elevation, np.ndarray):
sun_elevation = sun_elevation.detach().cpu().numpy()

# un normalize elevation
sun_elevation = sun_elevation * ELEVATION_STD + ELEVATION_MEAN

# expand dimension from (1,197) to (1,197,7), 7 is due to the number plevels
n_plevels = preds.shape[2]
sun_elevation = np.repeat(sun_elevation[:, :, np.newaxis], n_plevels, axis=2)
Expand Down
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