Thanks for the reply. I will check it out.
--Kannan.
On Sat, Nov 20, 2010 at 2:57 AM, Francesc Alted <fal...@pytables.org> wrote:
> A Saturday 20 November 2010 09:54:23 Francesc Alted escrigué:
> > A Saturday 20 November 2010 00:14:40 Kannan Ramaswamy escrigué:
> > > Hi,
> > > I am having issues with reading table data generated by pytables in
> > > a HDF5 C program. The table is two columns with a Time64Col and a
> > > Float64Col fields. I get the below error in a C HDF5 program that
> > > uses the H5TBread_records() api to get the data.
> > >
> > > Do I need to register custom types to get at the data? Can you
> > > point me to some sample C code that works with Time64Col data?
> > > I tried to open the table in HDF5View -- it shows only the
> > > non-timestamp column in the table.
> > >
> > > I can navigate the table and get at the groups without any
> > > problems. I am using pytables 2.1.1 (hdf5 1.8.0) to create the
> > > hdf5 file and hdf5 1.8.5-patch1 to read the file on a x86_64 linux
> > > (CentOS5) machine.
> >
> > [clip]
> >
> > It seems like a limitation of the H5TB API. The Time64Col is mapped
> > into a HDF5's H5T_TIME class, so it is not a custom type but a
> > standard one. You may want to report this to the HDF5 crew.
>
> BTW, I've just found an example of an HDF5 program for reading the
> H5T_TIME datatype:
>
> http://www.hdfgroup.org/hdf5-quest.html#time
>
> Hope this helps,
>
> --
> Francesc Alted
>
>
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