How to save as variable file formats

[liaprins-czi]

No instructions for saving files; no UI feedback for saving them as anything but .tiffs.

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Recommendation

Consider creating a tutorial for how to save images.

This may be a Mac issue, but user should be able to save in multiple formats using menu dropdown.

Minor issue
◆◆◆ High content writing work
○○○ No design work
▽▽▽ No development work

Relates to #31

Current view when try to save file in app:

[Czaki]

This is problem with design of io plugins in `napari.
Current pipeline is:

• user provide file name
• ask plugins in given order if it can save file with such path (suggestion is to do it base on extension)
• if plugin accept this path then it is used to save file.

So currently there is no information about file extension from saving method.
I discus a little about this with @jni on Zulip but only about reading with consensus that reordering plugins allow to select method.

Because of this I suggest to change design work and development work to high.

Against class smell.

[liaprins-czi]

Thank you for the information @Czaki , I think the estimate for the engineering work would apply to #31 ; this particular issue is about the documentation, which we can update to better explain to the user how to save.

[psobolewskiPhD]

Looks like this was largely fixed by napari/napari#2650

but now it's sort of broken again:

I agree this is something that should be more intuitive!