Paulo, Here's a more comprehensive list of HDF5 things that are not included in netCDF-4: - non-hierarchical Group structures - HDF5 reference types - multiple links to a data object - user-defined atomic datatypes - stored property lists - attributes associated with user-defined types - szip compression - date/time type - object names that begin or end with a space - dimensions without associated dimension scales --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: MFJ-124252 Department: Support netCDF Priority: Normal Status: Closed