Skip to content

BFN Mask and 0° crossing fixed #28

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

Open
adrienstella wants to merge 2 commits into
base: main
Choose a base branch
from
Open

BFN Mask and 0° crossing fixed #28

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ff912dc
Added Mask to BFN
adrienstella Apr 7, 2023
928f9ed
Added support for lons crossing 0°
adrienstella Apr 7, 2023
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
2 changes: 2 additions & 0 deletions mapping/src/mod.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -414,6 +414,8 @@ def __init__(self,config,State):
else:
for name in self.name_var:
State.var[self.name_var[name]] = np.zeros((State.ny,State.nx))
if State.mask is not None:
State.var[self.name_var[name]][State.mask] = np.nan

# Observed variable
self.name_obs_var = self.name_var['SSH'] # SSH
Expand Down
6 changes: 6 additions & 0 deletions mapping/src/state.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -230,6 +230,10 @@ def ini_mask(self,config):
self.mask = (np.isnan(self.lon) + np.isnan(self.lat)).astype(bool)
return

# Fix hole at Greenwich meridian
ds = ds.assign_coords({name_lon:((name_lon, ds[name_lon].data % 360))})
ds = ds.sortby(ds[name_lon])

dlon = np.nanmax(self.lon[:,1:] - self.lon[:,:-1])
dlat = np.nanmax(self.lat[1:,:] - self.lat[:-1,:])

Expand All @@ -255,6 +259,8 @@ def ini_mask(self,config):

# Interpolate to state grid
if np.any(lon_mask!=self.lon) or np.any(lat_mask!=self.lat):
lon_mask[lon_mask>180] = lon_mask[lon_mask>180] - 360 # Need to convert coordinates back in order to avoid white line error
self.lon[self.lon>180] = self.lon[self.lon>180] - 360
mask_interp = interpolate.griddata(
(lon_mask.ravel(),lat_mask.ravel()), mask.ravel(),
(self.lon.ravel(),self.lat.ravel())).reshape((self.ny,self.nx))
Expand Down