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>To: address@hidden >From: "Scott R. Wilson" <address@hidden> >Subject: NetCDF 4 release schedule? >Organization: Bio-Rad CD Systems, Semiconductor Division >Keywords: 199812240104.SAA21288 netCDF 4 Hi Scott, > The company I work for, Bio-Rad Semiconductor, has been using netCDF > 3.3.1 for a couple of years as the basis for handling metrology data > for data collected in semiconductor fabs. We are starting to really > bog down with the size of the data sets (around a gig). We > understand that netCDF 4 may include some data compression/packing > functionality, and we are very interested in that. > > Is there a release schedule for netCDF4? If so, is it something that > you can tell me about? We are aware of the compression mods tp 3.3.1 > and are in the process of evaluating that as a solution, but we > would definately like to stay with the mainstream, wherever it goes. > > Anything you can tell me is of great interest. Our plans still call for eventually implementing the next version of a netCDF format in terms of the HDF 5 format and thus leveraging the support available for packing in HDF 5. However, we didn't get all the resources we requested in our last NSF proposal, and as a result we have had to put our netCDF development plans on the back burner. Lately we have been concentrating our limited development resources on netCDF for Java http://www.unidata.ucar.edu/packages/netcdf/java/ I assume the compression mods you're referring to are Bill Noon's zlib mods http://snow.cit.cornell.edu/noon/z_netcdf.html While we don't have any plans to incorporate zlib into the mainstream netCDF development, this variant is getting a lot of use at some Regional Climate Centers, and may be a good solution for your purposes. > We really appreciate the work that your team as done on netCDF. Give > everyone a big "THANK YOU" for us! We are running it on Linux/Intel, > Linux/Alpha, and W95. Thanks for the feedback! I've forwarded your note to Glenn Davis and Steve Emmerson. --Russ _____________________________________________________________________ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu