Advances in the NetCDF Data Model, Format, and Software - Unidata
Advances in the NetCDF Data Model, Format, and Software - Unidata Advances in the NetCDF Data Model, Format, and Software - Unidata
Standards: from traction to sanction • 2009-02-05: NASA Earth Science Data Systems (ESDS) Standards Process Group endorsed netCDF classic and 64-bit offset formats as appropriate for NASA Earth Science data. • 2010-03-1: Integrated Ocean Observing System (IOOS) Data Management and Communications (DMAC) Subsystem endorsed netCDF with Climate and Forecast (CF) conventions as a preferred data format. • 2010-09-27: Steering Committee of the Federal Geographic Data Committee (FGDC) officially endorsed netCDF as a Common Encoding Standard. • 2010-11-05: Open Geospatial Consortium (OGC) began vote on approving "OGC Network Common Data Form (NetCDF) Core Encoding Standard version 1.0 ” as a new OGC standard. The vote closes on January 4, 2011.
NetCDF-Java/Common Data Model architecture Scien/fic Feature Types Datatype Adapter Applica/on NcML Georeferencing Access NetcdfDataset CoordSystem Builder NetcdfFile OPeNDAP NetCDF-‐3 I/O service provider NIDS NcML NetCDF-‐4 GRIB HDF4 GINI Index Space Access Nexrad … DMSP
- 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 and 10: NetCDF enhanced data model Strength
- Page 11: Recent advances Standards Refactori
- 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
<strong>NetCDF</strong>-Java/Common <strong>Data</strong> <strong>Model</strong> architecture<br />
Scien/fic Feature Types <br />
<strong>Data</strong>type Adapter <br />
Applica/on <br />
NcML<br />
Georeferenc<strong>in</strong>g Access <br />
Netcdf<strong>Data</strong>set <br />
CoordSystem Builder <br />
NetcdfFile <br />
OPeNDAP <br />
<strong>NetCDF</strong>-‐3 <br />
I/O service provider <br />
NIDS <br />
NcML<br />
<strong>NetCDF</strong>-‐4 <br />
GRIB <br />
HDF4 <br />
GINI <br />
Index Space Access <br />
Nexrad <br />
… <br />
DMSP
Change language