All Perhaps I am just missing the obvious, but I have some code that is converting netCDF4 files to pyTables Carray with blosc compression (playing around).
I loop over the files in a directory, and I have found that the first file is written compressed, but the second file onward is NOT. I have checked the filter settings after each file write, and they are the same. Any ideas here? If I turn off compression, the file sizes match..... Code below.... Lou array_atom = tables.Float32Atom() filters = tables.Filters(complevel=0, complib='blosc') for file in files[0:2]: print "\n Processing file: %s \n" % file f = netCDF4.Dataset(file) fid = tables.openFile(file[:-2]+"h5","w") t0 = time() # Copy all arrays for array_name in f.variables: data = f.variables[array_name][:] print array_name, data.shape field = fid.createCArray(fid.root, array_name, array_atom, data.shape, filters=filters) field[:] = data[:] f.close() fid.close() ---------------------------------------------------------------------------- | Dr. Louis J. Wicker | NSSL/FRDD Rm 4368 | National Weather Center | 120 David L. Boren Boulevard, Norman, OK 73072 | | E-mail: louis.wic...@noaa.gov | HTTP: www.nssl.noaa.gov/~lwicker | Phone: (405) 325-6340 | Fax: (405) 325-6780 | | If you start a day without a clear plan about how you’re | going to spend your attention, you’ll end up wasting most | of it.—Martha Beck (2002) | | Assemby of Japanese bicycle requires great peace of mind. | Robert Pirsig, ZAMM | ---------------------------------------------------------------------------- | | "The contents of this message are mine personally and | do not reflect any position of the Government or NOAA." | ---------------------------------------------------------------------------- ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense.. http://p.sf.net/sfu/splunk-d2d-c1 _______________________________________________ Pytables-users mailing list Pytables-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pytables-users