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Bitshuffle Filter #366

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Heiney-Upenn opened this issue Apr 3, 2022 · 4 comments
Closed

Bitshuffle Filter #366

Heiney-Upenn opened this issue Apr 3, 2022 · 4 comments
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@jamesmudd
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enhancement New feature or request

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@Heiney-Upenn
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Heiney-Upenn commented Apr 3, 2022 •
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jhdf is currently missing the bitshuffle filter. When I try to open the primary dataset in a the following hdf file HDF5 file
12_ID_B_Sagbe_2M_SAXS_Eiger9M.h5.zip
with compressed data I get

Exception in thread "main" io.jhdf.exceptions.HdfFilterException: A required filter is not available: name='bitshuffle; see [https://github.com/kiyo-masui/bitshuffle' id=32008](https://urldefense.com/v3/https:/github.com/kiyo-masui/bitshuffle'*20id=32008;JQ!!IBzWLUs!F
8uUItD4EWpvvhym4ZgnK6-Dekob-TlEE18ADfKCnY4IXw1KVlXMpdTGZ0oS8QVg3g$)

at io.jhdf.filter.FilterManager.getPipeline(FilterManager.java:90)

It would be great if this could be implemented.
@Heiney-Upenn Heiney-Upenn changed the title suggestion Bitshuffle Filter Apr 3, 2022
@jamesmudd jamesmudd added the enhancement New feature or request label Apr 5, 2022
@jamesmudd
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Some work towards this on #370 still lots to do though

@jamesmudd
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I have made lots of progress on this code is updated on the PR. There are still a few more things to figure out, and want to restructure the code a bit around filters but, here is a beta version of the library that can open bit shuffled datasets with no or LZ4 compression (no zstd yet) jhdf-0.6.6-bitshufle-beta.zip (.zip needs renaming to .jar for github)

@jamesmudd jamesmudd self-assigned this May 5, 2022
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Missed something in the previous version hopefully this is better. jhdf-0.6.6-bitshufle-beta2.zip

@jamesmudd
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Merged the changes for this here #370 will be in the next release.

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