issues: 1596890616

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
1596890616 I_kwDOAMm_X85fLp34 7552 plotting facet grid with singleton dimension should create a facet grid with size 1 73523466 closed 0     5 2023-02-23T13:39:35Z 2023-09-17T05:08:06Z 2023-09-17T05:08:06Z NONE      

What is your issue?

In my application, I want to plot facet grids of datasets, and the dimension I want to facet sometimes has a length of 1 and sometimes more than 1. When the length of the dimension is > 1, the plot(col=....) method of DataArray works as expected. However, when it is 1, I get an error and my code fails, although it would have been natrual for the plot method to create a FacetGrid with length of one facet.

As a minimal example, this code: python import xarray as xr da = xr.DataArray(np.random.rand(3,1), dims=('x', 'y')) da.plot(col='y') fails with an error: python KeyError: 'y' This example works as expected:

python import xarray as xr da = xr.DataArray(np.random.rand(3,2), dims=('x', 'y')) da.plot(col='y')

 
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