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H5P.set_shuffle

Set shuffle filter

Syntax

H5P.set_shuffle(plist_id)

Description

H5P.set_shuffle(plist_id) sets the shuffle filter, H5Z_FILTER_SHUFFLE, in the dataset creation property list plist_id. Compression must be enabled on the dataset creation property list in order to use the shuffle filter, and best results are usually obtained when the shuffle filter is set immediately prior to setting the deflate filter.

Examples

  fid = H5F.create('myfile.h5');
  type_id = H5T.copy('H5T_NATIVE_DOUBLE');
  dims = [100 200];
  h5_dims = fliplr(dims);
  space_id = H5S.create_simple(2,dims,[]);
  dcpl = H5P.create('H5P_DATASET_CREATE');
  chunk_dims = [10 20];
  h5_chunk_dims = fliplr(chunk_dims);
  H5P.set_chunk(dcpl,h5_chunk_dims);
  H5P.set_shuffle(dcpl);
  H5P.set_deflate(dcpl,5);
  dset_id = H5D.create(fid,'DS',type_id,space_id,dcpl);
  H5D.close(dset_id);
  H5F.close(fid);

See Also

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