Erin Sheldon comments

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                                            Erin Sheldon

Fitsio works (only) with unaligned data structures

If you look at the aligned branch, I've added some features. Please see below. If you construct the `FITS` object with `align=True` (or use `fitsio.read(..., align=True)`) then it tries to...

Fitsio works (only) with unaligned data structures

actually I figured out a simple way to make both tests with and without alignment run, you don't have to set that yourself now.

Fitsio works (only) with unaligned data structures

Where do we stand on this one?

Fitsio works (only) with unaligned data structures

Do you have any ideas for moving forward?

fitsio can't write large arrays and doesn't raise an error

I think this problem is occurring in `cfitsio`, the library that is wrapped by this python package. It might be that this error should be reported to the `cfitsio` maintainers....

fitsio can't write large arrays and doesn't raise an error

I think this is now the default https://github.com/esheldon/fitsio/blob/master/cfitsio3430/configure#L4523 but maybe this is broken for gzip

fitsio can't write large arrays and doesn't raise an error

certainly I routinely read and write files larger than 2.1G

fitsio can't write large arrays and doesn't raise an error

Where do we stand on this issue? Does it work for the latest version (1.1.3), for which we have updated cfitsio version to 3.49?

fitsio can't write large arrays and doesn't raise an error

Have you tried using conda to install?

fitsio can't write large arrays and doesn't raise an error

If you have an anaconda install it is easy ``` conda install fitsio ``` If conda-forge isn't in your channels, do this first ``` conda config --add channels conda-forge ```...