Hi, Take a look at the examples in the “Datatypes” section at:
https://support.hdfgroup.org/HDF5/examples/api-fortran.html namely (for fixed sized string), h5ex_t_stringCatt_F03.f90. Scot > On May 16, 2017, at 9:55 AM, Greenberg, Naomi > <[email protected]> wrote: > > I am newish to HDF5 and am trying to read a group attribute (“Info”) that is > a character string (a description of the dataset in the group). I tried the > following and got all blanks. I was wondering if there was an example > somewhere or someone could push me in the right direction. > > integer(hid_t) :: stringType !create a string memory type from H5T_C_S1 > call H5Tcopy_f (H5T_C_S1, stringType, error) > call H5Gopen_f (id, trim(adjustl(subGroupName)), subgroup_id, error) > call H5Aopen_name_f (subgroup_id, 'Info', attr_id, error ) > call H5Aread_f (attr_id, stringType, info, attr_dims, error) !info is a > character(len=500) string > print*,' info=',trim(adjustl(info)) ! comes out blank > > (I left out opens up until this subgroup and error checking for clarity here, > all ids are integer(hid_t), attr_dims is integer (hsize_t), dimension(1)) > Thank you! > > > Naomi Greenberg > Principal Member of the Research Staff > Electromagnetics Lab > www.riversideresearch.org > T: 212.502.1718 | F: 212.502.1729 | > <image001.jpg> > Riverside Research | 156 William Street | New York, N.Y. 10038 > > > <image002.png><image003.png><image004.png><image005.png> > This e-mail message, including any attachments, is for the sole use of the > intended recipient(s) and may contain proprietary, confidential or privileged > information or otherwise be protected by law. Any unauthorized review, use, > disclosure or distribution is prohibited. If you are not the intended > recipient, please notify the sender and destroy all copies and the original > message. > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org > Twitter: https://twitter.com/hdf5 _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org Twitter: https://twitter.com/hdf5
