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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Hi Nan It might be you could use profiles or timeseries of profiles Kjell Røang On Wed, Jul 7, 2010 at 6:38 PM, John Caron <caron@xxxxxxxxxxxxxxxx> wrote: > Hi Nan: > > The working definitions are at > > http://cf-pcmdi.llnl.gov/trac/wiki/PointObservationConventions. > > but that site (or my home ISP) is down at the moment, so i cant give you a > more specific URL. > > In terms of your problem, station data has a fixed lat, lon, altitude. The > data belonging to the station may have an additional z coordinate that is > typically interpreted relative to the station altitude. > > For more complicated topology, you might also consider the profile data > type, which expects an array of data with varying z coordinates. > > John > > > Nan Galbraith wrote: > >> Hi John - >> >> The document at unidata.ucar.edu/software/netcdf-java/CDM/ >> does not include definitions for the feature types, and it points >> to a word doc, CDM Feature Types which is labeled as a draft. >> The definition of 'station' in that draft document has me a little >> confused. >> >> > Station feature: a time-series of data points all at the same >> > location, with varying time (fixed x,y,z; ordered t). >> >> Does this imply only that Z is fixed, or that it also must be a >> single point? >> >> In the OceanSITES project, our data is mainly 2-d time series, >> with fixed X,Y, and fixed - but multiple - Z. We've added a >> global attribute to our NetCDF files, 'cdm_data_type' which >> we define as giving 'the Unidata CDM (common data model) >> data type used by THREDDS. E.g. ...“Station”...' and advise >> users to 'Use “Station” for OceanSITES mooring data.' >> >> Can you please tell me if we're using the correct feature type? >> I have a sinking feeling that Unidata has defined 'station' in >> a very narrow way, which would make it inappropriate for >> mooring data. >> >> If these definitions are on line in a non-draft form, we'd like to >> include a link to them in our Users Manual - but I've searched >> the Unidata site and not found anything. >> >> Thanks - >> Nan Galbraith >> >> >> > _______________________________________________ > netcdf-java mailing list > netcdf-java@xxxxxxxxxxxxxxxx > For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/
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