Skip to content
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

Add option to initialise from mesh #289

Merged
merged 5 commits into from
Aug 22, 2023
Merged

Add option to initialise from mesh #289

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
d9dc521
add mesh initialisation
stephenworsley Jul 10, 2023
c8331eb
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jul 10, 2023
6137e4f
refactor test
stephenworsley Aug 17, 2023
20d940b
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Aug 17, 2023
e860743
clarify and test tgt_location defaults
stephenworsley Aug 21, 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
16 changes: 12 additions & 4 deletions esmf_regrid/experimental/unstructured_scheme.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
"""Provides an iris interface for unstructured regridding."""

from iris.experimental.ugrid import Mesh

from esmf_regrid.schemes import (
_ESMFRegridder,
_get_mask,
Expand Down Expand Up @@ -281,16 +283,18 @@ def __init__(
src_resolution=None,
use_src_mask=False,
use_tgt_mask=False,
tgt_location=None,
):
"""
Create regridder for conversions between source grid and target mesh.

Parameters
----------
src_grid_cube : :class:`iris.cube.Cube`
src : :class:`iris.cube.Cube`
The rectilinear :class:`~iris.cube.Cube` cube providing the source grid.
target_mesh_cube : :class:`iris.cube.Cube`
The unstructured :class:`~iris.cube.Cube` providing the target mesh.
tgt : :class:`iris.cube.Cube` or :class:`iris.experimental.ugrid.Mesh`
The unstructured :class:`~iris.cube.Cube`or
:class:`~iris.experimental.ugrid.Mesh` providing the target mesh.
mdtol : float, optional
Tolerance of missing data. The value returned in each element of
the returned array will be masked if the fraction of masked data
Expand Down Expand Up @@ -322,6 +326,9 @@ def __init__(
a boolean value. If True, this array is taken from the mask on the data
in ``tgt``. If False, no mask will be taken and all points
will be used in weights calculation.
tgt_location : str or None, default=None
Either "face" or "node". Describes the location for data on the mesh
if the target is not a :class:`~iris.cube.Cube`.

Raises
------
Expand All @@ -330,7 +337,7 @@ def __init__(
or ``tgt`` respectively are not constant over non-horizontal dimensions.

"""
if tgt.mesh is None:
if not isinstance(tgt, Mesh) and tgt.mesh is None:
raise ValueError("tgt has no mesh.")
super().__init__(
src,
Expand All @@ -341,6 +348,7 @@ def __init__(
src_resolution=src_resolution,
use_src_mask=use_src_mask,
use_tgt_mask=use_tgt_mask,
tgt_location=tgt_location,
)
self.resolution = src_resolution
self.mesh, self.location = self._tgt
Expand Down
Loading