Advances in the NetCDF Data Model, Format, and Software - Unidata

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(Data Model, Format) combinations • (Classic, Classic) – Mature conventions, best practices (e.g. CF Conventions) – Maximum portability, compatibility with old software • (Classic, netCDF-4) – Requires only relinking instead of modifying software – Performance benefits: compression, chunking, larger variables, efficient schema changes • (Enhanced, netCDF-4) – Additional data types, including user-defined – Advantages in modeling data, including observational data – High Performance Computing applications – Datasets with large number of data objects – Reading other kinds of data (HDF4, HDF5, relational, …)
Recent advances Standards Refactoring architecture for interoperability Performance improvements Generic tools Practical experience Status of netCDF-4 adoption
Page 1 and 2: Advances in the NetCDF Data Model,
Page 3 and 4: NetCDF: more than a format • Data
Page 5 and 6: The netCDF “classic” data model
Page 7 and 8: NetCDF classic format Strengths Lim
Page 9: NetCDF enhanced data model Strength
Page 13 and 14: NetCDF-Java/Common Data Model archi
Page 15 and 16: Performance improvements • Refact
Page 17 and 18: Experience developing nccopy utilit
Page 19 and 20: Last year: game of “chicken”; w
Page 21 and 22: Concluding Remarks • Data provide
Page 23 and 24: Extra Slides
Page 25 and 26: Groups • Like directories in a fi
Page 27 and 28: Compound types Uses include: • Re
Page 29 and 30: Guidance for developers • Add sup

Advances in the NetCDF Data Model, Format, and Software - Unidata

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