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  • add info in doc on how to facet with cartopy · 7 ✖
id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
477580493 https://github.com/pydata/xarray/pull/1203#issuecomment-477580493 https://api.github.com/repos/pydata/xarray/issues/1203 MDEyOklzc3VlQ29tbWVudDQ3NzU4MDQ5Mw== avatar101 33062222 2019-03-28T12:48:09Z 2019-03-28T12:48:09Z NONE

@dcherian Thanks a lot for providing an example with another approach

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  add info in doc on how to facet with cartopy 200376941
476769164 https://github.com/pydata/xarray/pull/1203#issuecomment-476769164 https://api.github.com/repos/pydata/xarray/issues/1203 MDEyOklzc3VlQ29tbWVudDQ3Njc2OTE2NA== avatar101 33062222 2019-03-26T17:46:57Z 2019-03-28T12:46:14Z NONE

@vnoel I'm trying to plot coastline using facet. I tried to give ax.coastline() as a subplot_kws argument but that didn't work: ``` # ds_v_test is my Dataset containing V as variable

p = ds_v_test.sel(time=slice('2012-12-01', '2012-12-02 18:00'),\ lat= slice(-90,0)).V.squeeze().plot.pcolormesh(figsize=(16, 12), col='time', col_wrap=2, levels=16 ,\ cbar_kwargs={'label':'meridional v (m/s)'}, subplot_kws={'projection':ccrs.PlateCarree(),\ 'ax':ax.coastlines()}) ``` It gives me

AttributeError: Unknown property ax

At the moment, I can get around it by using this approach:

for ax in p.axes.flat: ax.coastlines()

INSTALLED VERSIONS

commit: None python: 3.6.8 |Anaconda, Inc.| (default, Dec 30 2018, 01:22:34) [GCC 7.3.0] python-bits: 64 OS: Linux OS-release: 4.15.0-45-generic machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: en_US.UTF-8 LOCALE: en_US.UTF-8 libhdf5: 1.10.4 libnetcdf: 4.6.2

xarray: 0.12.0 pandas: 0.24.2 numpy: 1.16.2 scipy: 1.2.1 netCDF4: 1.4.2 pydap: None h5netcdf: None h5py: None Nio: 1.5.5 zarr: None cftime: 1.0.3.4 nc_time_axis: None PseudonetCDF: None rasterio: None cfgrib: 0.9.6.1.post1 iris: None bottleneck: None dask: None distributed: None matplotlib: 3.0.3 cartopy: 0.17.0 seaborn: 0.9.0 setuptools: 40.8.0 pip: 19.0.3 conda: None pytest: None IPython: 7.3.0 sphinx: None

​

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  add info in doc on how to facet with cartopy 200376941
477188610 https://github.com/pydata/xarray/pull/1203#issuecomment-477188610 https://api.github.com/repos/pydata/xarray/issues/1203 MDEyOklzc3VlQ29tbWVudDQ3NzE4ODYxMA== dcherian 2448579 2019-03-27T14:45:00Z 2019-03-27T15:51:22Z MEMBER

Yes you'll have to call ax.coastlines() on every axis you want a coastline on. The subplot_kws kwarg is passed down to plt.subplots (see documentation here https://matplotlib.org/api/_as_gen/matplotlib.pyplot.subplots.html).

You should be able to do: python g = ds_v_test.plot(...) g.map(lambda: plt.gca().coastlines())

The other option would be to loop over g.axes.flat as in http://xarray.pydata.org/en/stable/plotting.html#maps

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  add info in doc on how to facet with cartopy 200376941
272483186 https://github.com/pydata/xarray/pull/1203#issuecomment-272483186 https://api.github.com/repos/pydata/xarray/issues/1203 MDEyOklzc3VlQ29tbWVudDI3MjQ4MzE4Ng== fmaussion 10050469 2017-01-13T16:36:25Z 2017-01-13T16:36:25Z MEMBER

currently github is completely down btw: https://status.github.com/

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  add info in doc on how to facet with cartopy 200376941
272482479 https://github.com/pydata/xarray/pull/1203#issuecomment-272482479 https://api.github.com/repos/pydata/xarray/issues/1203 MDEyOklzc3VlQ29tbWVudDI3MjQ4MjQ3OQ== fmaussion 10050469 2017-01-13T16:32:49Z 2017-01-13T16:32:49Z MEMBER

@shoyer I'll get to this later today. It should be easy to get it right before 0.9.0

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  add info in doc on how to facet with cartopy 200376941
272482044 https://github.com/pydata/xarray/pull/1203#issuecomment-272482044 https://api.github.com/repos/pydata/xarray/issues/1203 MDEyOklzc3VlQ29tbWVudDI3MjQ4MjA0NA== shoyer 1217238 2017-01-13T16:30:35Z 2017-01-13T16:30:35Z MEMBER

Merged.

@fmaussion if we can't get the doc build with cartopy working soon, we may just want to temporarily disable output from this for the v0.9.0 docs.

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  add info in doc on how to facet with cartopy 200376941
272296051 https://github.com/pydata/xarray/pull/1203#issuecomment-272296051 https://api.github.com/repos/pydata/xarray/issues/1203 MDEyOklzc3VlQ29tbWVudDI3MjI5NjA1MQ== fmaussion 10050469 2017-01-12T21:55:04Z 2017-01-12T21:55:04Z MEMBER

Thanks @vnoel !

Unfortunately this won't render well in the docs since we don't import cartopy (yet) (the example above yours isn't really compiling so it's not importing cartopy). I'll merge this tomorrow and have a look at how to render this properly in a separate PR

On a related note, I agree that we should make a plot gallery (https://github.com/pydata/xarray/issues/1061). I've tried it out with salem and it looks nice (http://salem.readthedocs.io/en/latest/auto_examples/index.html). I'll get back to this when I'll find some time...

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  add info in doc on how to facet with cartopy 200376941

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