Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
Due to the current gap in continued funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program Center has temporarily paused most operations. See NSF Unidata Pause in Most Operations for details.
Hi Christopher: Ive been trying to gather various pieces together to describe the CDM, but so far haven't had much time. We consider XML an encoding rather than a data model, though they are obviously related, so we do "data modelling" in UML. The UML of CDM data access layer: http://www.unidata.ucar.edu/software/netcdf-java/CDM.html UML of CDM coordinate system layer: http://www.unidata.ucar.edu/software/netcdf-java/reference/CSObjectModel.html As for XML, NcML is a reasonable schema for CDM data access layer. There have been some attempts to encode coordinate systems, and nothing yet for "scientific datatypes". The latter 2 we will try again this year, in conjunction with the British Atmospheric Data Center (BADC), trying to converge as much as possible with the ISO/OGC "feature model". I'd like to follow your work on data modelling for HDF4, we expect to add it to the CDM eventually (when we can find someone to do so). Ticket Details ================== Ticket ID: YDJ-965223 Department: Support netCDF Java Priority: Normal Status: Open
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