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gridtime: making sure we have same dtype for initial and target datet… #195

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Merged
knutfrode merged 1 commit into from
Feb 5, 2026
Merged

gridtime: making sure we have same dtype for initial and target datet… #195

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15 changes: 3 additions & 12 deletions examples/example_model_along_trajectory.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,6 @@

print(ta.versions())

import logging
logging.basicConfig(level=logging.DEBUG)

#%%
# Open drifter dataset from a CSV file
ds = ta.read_csv('bug05_pos.csv.xz',
Expand All @@ -38,11 +35,8 @@
#%%
# Grid the drifter dataset to the timesteps of the model.
times = nk.sel(time=slice('2022-05-10', '2022-05-20')).time.values
print(times, 'Drifter times')
ds = ds.traj.gridtime(times)
print('Dropping na')
ds = ds.dropna('time', how='all')
print('Dropped na')

print(ds)

Expand All @@ -62,9 +56,6 @@
#%%
# Notice that the `lat` and `lon` variables from Norkyst match the original `lat` and `lon` from the dataset.

try:
plt.figure()
temp.plot()
plt.show()
except:
print('Could not plot data')
plt.figure()
temp.plot()
plt.show()
2 changes: 2 additions & 0 deletions trajan/traj1d.py
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Original file line number Diff line number Diff line change
Expand Up @@ -322,8 +322,10 @@ def gridtime(self, times, time_varname=None, round=True):
times = times.to_numpy()

time_varname = self.time_varname if time_varname is None else time_varname
times = times.astype(self.ds[time_varname].dtype) # Make sure we have same dtype for ds and times array

ds = self.ds.copy()

# We fill NaN-values in time coordinate to be able to interpolate
ds[time_varname] = ds[time_varname].interpolate_na(
dim=time_varname, method='linear', fill_value='extrapolate', use_coordinate=False)
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