NetCDF Library for I/O

• Public domain (Unidata (related to UCAR/NCAR))

• Data files
  • Machine independent format (XDR)

  • Binary

  • Random-access

  • Self-describing

• Based on multidimensional arrays of floats/ints/bytes/....
  • Unlimited dimension allows time histories

  • Functions to read/write hyperslabs of arrays (subrange of each index)

  • Multiple variables of multiple types per file

  • Provision for tagging units, etc.

• Understood by a number of postprocessing packages
  • AVS

  • IDL

  • DDI (C.Anderson, NERSC)

• ASCII dump utility

• "Agreed upon" for testing by NTP for data exchange

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