•         advanced

In actuality, netCDF like most software, is evolving to adapt to and keep up with its user community. Currently netCDF is:

• Two data models
  • classic model (netCDF-1, netCDF-2, netCDF-3)
  • enhanced model (netCDF-4)
• Two formats with variants
  • classic format and large file variant
  • netCDF-4 (HDF5-based) format and classic model variant
• Two independent flavors of APIs
  • C-based interfaces (C, C++, Fortran-77, Fortran-90, Perl, Python, Ruby, Matlab, ...)
  • Java interface

You mostly don't need to be aware of these complications, because new versions of netCDF support

• previous netCDF data models
• previous netCDF formats and their variants
• previous APIs

Also, files written through one language API are readable through other language APIs.

2008 Unidata NetCDF Workshop for Developers and Data Providers > Overview of netCDF

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