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Fix broken mesh examples #7168

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Fix broken mesh examples #7168

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9359079
Fix WAVEWATCH-III mesh example code.
ukmo-ccbunney Jun 24, 2026
c0c61c0
Address other references to `iris.ugrid`
ukmo-ccbunney Jun 24, 2026
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21 changes: 16 additions & 5 deletions docs/src/user_manual/how_to/mesh_conversions.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ A FESOM mesh encoded in a NetCDF file includes:

To represent the Voronoi Polygons as faces, the corner coordinates will be used
as the **nodes** when creating the Iris
:class:`~iris.ugrid.mesh.MeshXY`.
:class:`~iris.mesh.MeshXY`.

.. dropdown:: Code
:icon: code
Expand All @@ -42,7 +42,7 @@ as the **nodes** when creating the Iris
.. code-block:: python

>>> import iris
>>> from iris.ugrid import MeshXY
>>> from iris.mesh import MeshXY


>>> temperature_cube = iris.load_cube("my_file.nc", "sea_surface_temperature")
Expand Down Expand Up @@ -124,7 +124,7 @@ An SMC grid encoded in a NetCDF file includes:

From this information we can derive face corner coordinates, which will be used
as the **nodes** when creating the Iris
:class:`~iris.ugrid.mesh.MeshXY`.
:class:`~iris.mesh.MeshXY`.


.. dropdown:: Code
Expand All @@ -135,11 +135,22 @@ as the **nodes** when creating the Iris
.. code-block:: python

>>> import iris
>>> from iris.ugrid import MeshXY
>>> from iris.mesh import MeshXY
>>> import numpy as np


>>> wave_cube = iris.load_cube("my_file.nc", "sea_surface_wave_significant_height")

>>> # Attach the "cell size factor" variables as AuxCoords:
>>> for coord_name in ["longitude", "latitude"]:
... cell_factor = iris.load_cube("my_file.nc", f"{coord_name} cell size factor")
... wave_cube.add_aux_coord(
... iris.coords.AuxCoord(
... points=cell_factor.data,
... long_name=cell_factor.long_name
... ), 1
... )

>>> print(wave_cube)
sea_surface_wave_significant_height / (m) (time: 7; -- : 666328)
Dimension coordinates:
Expand Down Expand Up @@ -282,7 +293,7 @@ dimensions into a single mesh dimension. Since Iris cubes don't support a "resh
>>> import iris
>>> from iris.coords import AuxCoord, CellMeasure
>>> from iris.cube import Cube
>>> from iris.ugrid.mesh import MeshXY, Connectivity
>>> from iris.mesh import MeshXY, Connectivity


>>> filepath = iris.sample_data_path('orca2_votemper.nc')
Expand Down
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