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HDF5 XOP - support for h5t_time

Thu, 05/02/2019 - 02:15 pm

Is it feasible for the HDF XOP to support the h5t_time datatype? If yes, any chance that this support will be added in the future?

My understanding is that h5t_time is not fully supported by the HDF5 API and that it is platform dependent / not portable between platforms (e.g. linux, mac, windows). Nevertheless, some code (still?) uses it - I came across it trying to read timestamps written to an HDF5 file using pytables. In those instances, it would be nice to at least have access to the data in the hdf5 file (maybe with a 'you're on your own' warning).

hrodstein

The only documentation that I can find for H5T_TIME, from the documentation for H5Tget_class, is:

Quote:
Unsupported datatype: The time datatype class, H5T_TIME, is not supported. If H5T_TIME is used, the resulting data will be readable and modifiable only on the originating computing platform; it will not be portable to other platforms.

That provides no clue how to read it, and I was not able to find an example.

If I ever find sufficient details, I will need a sample file for testing.

May 2, 2019 at 10:20 pm - Permalink