issue_comments: 514626195

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https://github.com/pydata/xarray/pull/2255#issuecomment-514626195 https://api.github.com/repos/pydata/xarray/issues/2255 514626195 MDEyOklzc3VlQ29tbWVudDUxNDYyNjE5NQ== 8699967 2019-07-24T13:12:47Z 2019-07-24T13:27:41Z CONTRIBUTOR

The right way to merge different dtypes and block shapes in the tiff file. Currently I'm assuming that they're uniform

I have yet to run into a raster that varies dtypes and block shapes across bands. Most of the time, they are single band rasters. And if they are not, they have had the same dtype and block shape. So, I think your assumption is a good one for most use cases.

Also, only a single dtype is allowed currently: https://github.com/pydata/xarray/blob/1d7bcbdc75b6d556c04e2c7d7a042e4379e15303/xarray/backends/rasterio_.py#L39-L40

 
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