- The C++ API fully support netCDF-4 features, including groups, new
types, etc.
- C++ exceptions are thrown on error conditions.
- C++ code now uses templates or other modern methods to replace the
pre-processor macros (which were written before these capabilities
were added to all C++ compilers).
- The C++ API implements the Common Data Model.
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Bit packing
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- Data may be bit packed, by which we mean stored as n-bit values
with a scale/offset, in accordance with the netCDF Java model (n-bit
instead of 8/16/32-bit).
- Only significant bits are stored (i.e. no padding).
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Anonymous Dimensions
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- NetCDF-4 automatically assigns dimensions when reading a HDF5 file
which does not use dimension scales. This allows netCDF-4.3 to
read/change many existing HDF5 files as if they were netCDF.
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