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Don't assume float32 input for JPEG2000 #58

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Merged
treigerm merged 2 commits into from
Nov 26, 2025
Merged

Don't assume float32 input for JPEG2000 #58

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a668f6f
Don't assume float32 input for JPEG2000
treigerm Nov 21, 2025
a5ca3f7
Cleaner way to get dtype name
treigerm Nov 26, 2025
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4 changes: 3 additions & 1 deletion src/climatebenchpress/compressor/compressors/jpeg2000.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,10 +36,12 @@ def abs_bound_codec(
*,
data_min=None,
data_max=None,
dtype=None,
**kwargs,
):
assert data_min is not None, "data_min must be provided"
assert data_max is not None, "data_max must be provided"
assert dtype is not None, "dtype must be provided"

max_pixel_val = 2**25 - 1 # maximum pixel value for our integer encoding.

Expand All @@ -56,7 +58,7 @@ def abs_bound_codec(
# increase precision for better rounding during linear quantization
numcodecs.astype.AsType(
encode_dtype="float64",
decode_dtype="float32",
decode_dtype=dtype.name,
),
# remap from [min, max] to [0, max_pixel_val]
numcodecs_wasm_fixed_offset_scale.FixedOffsetScale(
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