Hello Milad, A Sunday 02 May 2010 23:32:41 Milad Fatenejad escrigué: > Hello: > > I have an HDF5 file that was generated outside of pytables (in a C++ > program). It wrote a 3D array where the atom is: > > Float64Atom(shape=(3,), dflt=array([ 0., 0., 0.])) > > In other words, it is a 3D array of 1D arrays of doubles. > > When I open the file in python using pytables, it correctly identifies the > array shape and atom type. However, if i copy the dataset using the _f_copy > method to another location the atom type changes to: > > Float64Atom(shape=(), dflt=0.0) > > In this case the copy is a 4D array of doubles, instead of a 3D array whose > elements are 1D arrays. If I copy arrays that were made by pytables, no > problem exists - it only occurs when I make the array outside of pytables > and copy it using pytables. What is interesting is that pytables does > identiy the atom correctly but changes it when copying... > > I've managed to circumvent the problem temporarily by making a new chunked > array in the file then manually copying the data. Is this a bug, or is > there some limitation on copying arrays made outisde of pytables?
That's a bit weird, yes, and smells like a bug. Could you please provide a small datafile so that I can use it to reproduce the behaviour? I'd like to fix this as soon as possible. Cheers, -- Francesc Alted ------------------------------------------------------------------------------ _______________________________________________ Pytables-users mailing list Pytables-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pytables-users
