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Number of elements in enumeration type


output = H5T.get_nmembers(type_id)


output = H5T.get_nmembers(type_id) retrieves the number of fields in a compound data type or the number of members of an enumeration data type. type_id is a data type identifier.


Determine the number of fields in a compound dataset.

fid ='example.h5');
dset_id =,'/g3/compound');
dtype_id = H5D.get_type(dset_id);
nmembers = H5T.get_nmembers(dtype_id);