issue_comments: 497130177

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https://github.com/pydata/xarray/issues/2281#issuecomment-497130177 https://api.github.com/repos/pydata/xarray/issues/2281 497130177 MDEyOklzc3VlQ29tbWVudDQ5NzEzMDE3Nw== 6213168 2019-05-29T22:22:01Z 2019-05-29T22:25:45Z MEMBER

@fspaolo 2d mesh interpolation and 1d interpolation with extra "free" dimensions are fundamentally different algorithms. Look up the scipy documentation on the various interpolation functions available.

I don't understand what you are trying to pass for x_new and y_new and it definitely doesn't sound right. Right now you have a 3d DataArray with dimensions (x, y, t) and 3 coords, each of which is a 1d numpy array (e.g. da.coords.x.values). If you want to rescale, you need to pass a 1d numpy array or array-like for x_new, and another separate 1d array for y_new. You are not doing that, as the error message you're receiving is saying that your x_new is a numpy array with 2 or more dimensions, which the algorithm doesn't know what to do with. It can accept a multi-dimensional DataArrays with brand new dimensions, but that does not sound like it's your case. 

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