Skip to content

Manually set timedelta64 encoding to int32 before saving to netCDF. #265

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

Manually set timedelta64 encoding to int32 before saving to netCDF. #265

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions weatherbench2/evaluation.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -382,6 +382,10 @@ def _get_output_path(

def _to_netcdf(dataset: xr.Dataset, filename: str) -> None:
with fsspec.open(filename, 'wb', auto_mkdir=True) as f:
for coord in dataset.coords:
if dataset[coord].dtype == 'timedelta64[ns]':
# Make sure to also override all other existing encodings.
dataset[coord].encoding = {'dtype': 'int32'}
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I recommend also adding:

if "_FillValue" in dataset[coord].encoding:
  # Let NetCDF pick a default that works for int32
  del dataset[coord].encoding["_FillValue"]

f.write(dataset.to_netcdf())


Expand Down
Loading