issue_comments: 407249087

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https://github.com/pydata/xarray/issues/2288#issuecomment-407249087 https://api.github.com/repos/pydata/xarray/issues/2288 407249087 MDEyOklzc3VlQ29tbWVudDQwNzI0OTA4Nw== 8699967 2018-07-24T01:19:26Z 2018-07-24T01:19:26Z CONTRIBUTOR

I am really excited about this discussion. I know of other libraries that have done the same thing and have written internal libraries myself.

If possible, I would hope that we could follow the CF convention on this as it makes the output netCDF file compatible with QGIS, GDAL, and rasterio when written using to_netcdf()

To do so, you add the crs coordinate to the dataset/dataarray. int crs; And then, you add the spatial_ref attribute to the crs which is a crs WKT string.

Next, you add the grid_mapping attribute to all associated variables that contains crs as the grid_mapping.

See an example here.

After that, you could store all kinds of information inside the crs variable such as the proj4 string, the affine, etc.

 
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