make bit shaving work on nc4 tile space output#4190
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tclune
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Nov 20, 2025
tclune
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Nov 20, 2025
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Types of change(s)
Checklist
make tests)Description
This PR makes bit shaving work For nc4 format output in tile space, which matches that in gridded space.
Related Issue
Background
Bit shaving for 1d (tile-space) nc4 output is needed for GEOSldas, which routinely outputs diagnostics in 1d when running on the EASE tile space. In the past, GEOSldas has been writing binary output and applied a separate binary-to-nc4 script to generate tile-space nc4 output. With the recent addition of the EASE grid factory, GEOSldas is switching to writing tile-space output directly into nc4 via MAPL, see GEOS-ESM/GEOSldas_GridComp#144