iris constrain on ORCA grid

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juju palm

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Jul 28, 2021, 8:42:18 AM7/28/21

to SciTools (iris, cartopy, cf_units, etc.) - https://github.com/scitools

Hi everyone

I am trying to extract some NEMO-MEDUSA outputs along longitude transect or longitude average, but iris constrain does not like the ORCA grid :

running : transect = cube.extract(iris.Constraint(longitude=-30))

i get this error :

CoordinateMultiDimError: Cannot apply constraints to multidimensional coordinates

Is there a way to force the cube.extract like functions using constrain to work on the NEMO grid ?

i kind of get something running with numpy functions, but i've to work on cube.data instead of cube, losing lots of iris functionality... that's a shame really.

Many many thanks!

Julien.

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