Add FixedScaleOffset filter for Sentinel-2 data processing #107
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d-v-b
reviewed
Jan 12, 2026
| # - FixedScaleOffset converts float64 -> uint16 | ||
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| # Clean storage dtype string | ||
| if isinstance(storage_dtype, str): |
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zarr-python has a function zarr.dtype.parse_dtype that will generate the correct zarr data type from a numpy dtype string. Do parse_dtype(original_dtype_string, zarr_format=3).to_json(zarr_format=3)
>>> parse_dtype('u1', zarr_format=3).to_json(zarr_format=3)
'uint8'
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Introduce a FixedScaleOffset filter to enhance the processing of Sentinel-2 data by detecting scale and offset attributes. This filter optimizes data storage and ensures accurate representation of reflectance values. The implementation includes error handling for missing dependencies and integrates with existing encoding configurations.
Fixes #106