satpy
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Add OSI-SAF reader
Feature Request
Is your feature request related to a problem? Please describe.
We are currently using an unmaintained custom reader for OSI-SAF ice maps to produce NinJoTIFF images for our users.
Describe the solution you'd like
We would like to integrate this reader into Satpy.
Describe any changes to existing user workflow
No changes to existing user workflow foreseen.
Developers would have one more reader to adapt the next times Satpy fundamentals change.
Additional context
The alternative would be to keep the status quo (custom reader in DWD only). Advantage: less maintenance for Satpy developers. Disadvantage: more maintenance for DWD (+ partners) and lack of opportunity for others to use the reader.
I was actually considering the need for an OSI-SAF reader and had it filed under "whenever I have time" on my to-do list. Happy to lend a hand if you do decide to implement this in Satpy.
There is some starting point at https://github.com/ch-k/satpy/blob/feature-osisaf-iceconc-nc-reader/satpy/readers/osisaf_conc_eumetcast_nc.py (I believe the author there is a copy-paste error, to be clarified), but lacking unit tests and in need of some cleanup.
The file osisaf_conc_eumetcast_nc.py is based on ghrsst_l3c_sst.py. It's copy-paste with some adjustments. It was enough to supply the Polarstern ship on its mission to the north in 2019. But for sure, there is some cwork to do.
