Compress waveform data with flacarray#98

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Copilot wants to merge 25 commits into

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copilot/compress-waveform-with-flacarray

Commits on Mar 15, 2026

Initial plan
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committed
Add compress-waveform stage using FlacArray compression

Copilot
and
lispandfound
committed
Address code review: use dtype.kind check instead of np.issubdtype for string detection, remove unused numpy import

Copilot
and
lispandfound
committed

Commits on Mar 16, 2026

Rewrite compress_waveform with int16 scaling, delta encoding, and dask chunking

Copilot
and
lispandfound
committed
Address code review: rename constant, document dask materialization, extract test constant

Copilot
and
lispandfound
committed
Fix dask chunking to station axis, add component delta encoding via map_blocks

Copilot
and
lispandfound
committed
Address code review: explicit .compute(), clearer scale_factor cast, spacing fix

Copilot
and
lispandfound
committed
Improve waveform recovery: scale to int32 range (23-bit) instead of int16

Copilot
and
lispandfound
committed
Fix waveform drift: remove time-delta encoding, keep component-delta only

Copilot
and
lispandfound
committed
fix: do not delta encode waveform components
lispandfound
committed
Use level argument
lispandfound
committed
actually use the precision argument
lispandfound
committed
tests(compress-waveform): simplify tests to reflect simplified code
lispandfound
committed
fix(compress-waveform): satisfy type checker
lispandfound
committed
tests(compress-waveform): remove ds make test dataset
lispandfound
committed
fix(hf-sim): fix import
lispandfound
committed
remove unused import
lispandfound
committed
include h5py as a dependency and remove dask
lispandfound
committed
feat: add xarray shim for waveform reading
lispandfound
committed
fix: ci nitpicks
lispandfound
committed
docs: reduce documentation
lispandfound
committed
docs: make CLI docs simpler
lispandfound
committed
docs: precision accuracy
lispandfound
committed
fix slice indexing

lispandfound
and
Copilot
authored
feat: support stepped timestepping values
lispandfound
committed

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Compress waveform data with flacarray#98

Compress waveform data with flacarray#98
Copilot wants to merge 25 commits into
pegasusfrom
copilot/compress-waveform-with-flacarray

Commits on Mar 15, 2026

Initial plan

Add compress-waveform stage using FlacArray compression

Address code review: use dtype.kind check instead of np.issubdtype for string detection, remove unused numpy import

Commits on Mar 16, 2026

Rewrite compress_waveform with int16 scaling, delta encoding, and dask chunking

Address code review: rename constant, document dask materialization, extract test constant

Fix dask chunking to station axis, add component delta encoding via map_blocks

Address code review: explicit .compute(), clearer scale_factor cast, spacing fix

Improve waveform recovery: scale to int32 range (23-bit) instead of int16

Fix waveform drift: remove time-delta encoding, keep component-delta only

fix: do not delta encode waveform components

Use level argument

actually use the precision argument

tests(compress-waveform): simplify tests to reflect simplified code

fix(compress-waveform): satisfy type checker

tests(compress-waveform): remove ds make test dataset

fix(hf-sim): fix import

remove unused import

include h5py as a dependency and remove dask

feat: add xarray shim for waveform reading

fix: ci nitpicks

docs: reduce documentation

docs: make CLI docs simpler

docs: precision accuracy

fix slice indexing

feat: support stepped timestepping values