html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/pull/2398#issuecomment-423017107,https://api.github.com/repos/pydata/xarray/issues/2398,423017107,MDEyOklzc3VlQ29tbWVudDQyMzAxNzEwNw==,1217238,2018-09-20T02:14:25Z,2018-09-20T02:14:25Z,MEMBER,@rabernat let me know if this makes sense to you / if you agree.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,356698348 https://github.com/pydata/xarray/pull/2398#issuecomment-422980788,https://api.github.com/repos/pydata/xarray/issues/2398,422980788,MDEyOklzc3VlQ29tbWVudDQyMjk4MDc4OA==,1217238,2018-09-19T22:33:58Z,2018-09-19T22:33:58Z,MEMBER,"I'm going to merge this after the Appveyor tests pass, unless there are any further objections.","{""total_count"": 2, ""+1"": 2, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,356698348 https://github.com/pydata/xarray/pull/2398#issuecomment-422949281,https://api.github.com/repos/pydata/xarray/issues/2398,422949281,MDEyOklzc3VlQ29tbWVudDQyMjk0OTI4MQ==,1217238,2018-09-19T20:36:15Z,2018-09-19T20:36:15Z,MEMBER,We should definitely mention specialized tools like xgcm as alternatives in the docstring for these xarray methods.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,356698348 https://github.com/pydata/xarray/pull/2398#issuecomment-422949121,https://api.github.com/repos/pydata/xarray/issues/2398,422949121,MDEyOklzc3VlQ29tbWVudDQyMjk0OTEyMQ==,1217238,2018-09-19T20:35:43Z,2018-09-19T20:35:43Z,MEMBER,"@rabernat my inclination would be to draw the line at regular grids (with or without periodic boundary conditions), which are pretty commonly encountered in data analysis for any continuous physical systems. We would leave non-regular cases like staggered-grids to add-ons like xgcm -- these grids tend to be more application/PDE specific.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,356698348 https://github.com/pydata/xarray/pull/2398#issuecomment-422940673,https://api.github.com/repos/pydata/xarray/issues/2398,422940673,MDEyOklzc3VlQ29tbWVudDQyMjk0MDY3Mw==,1217238,2018-09-19T20:07:35Z,2018-09-19T20:07:35Z,MEMBER,"> @shoyer, have you seen da.pad? Yes, `pad` solves the hard part of periodic boundary conditions -- we should just need to do a bit of book-keeping on the xarray side.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,356698348 https://github.com/pydata/xarray/pull/2398#issuecomment-422863296,https://api.github.com/repos/pydata/xarray/issues/2398,422863296,MDEyOklzc3VlQ29tbWVudDQyMjg2MzI5Ng==,1217238,2018-09-19T16:11:51Z,2018-09-19T16:11:51Z,MEMBER,"Speaking of derivatives on the globe, we might want to include an option for periodic boundary conditions (and possibly for other functions like `interp` as well). But we can save that for another PR :).","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,356698348 https://github.com/pydata/xarray/pull/2398#issuecomment-418530033,https://api.github.com/repos/pydata/xarray/issues/2398,418530033,MDEyOklzc3VlQ29tbWVudDQxODUzMDAzMw==,1217238,2018-09-04T21:51:44Z,2018-09-04T21:51:44Z,MEMBER,"I think this will be very welcome functionality! I wonder if we should consider calling this `xarray.differentiate` instead of `xarray.gradient`. I think the NumPy function is poorly named for differentiating along a single axis at once.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,356698348