Hi Dominic: where did you get this syntax: > http://localhost:8080/thredds/dodsC/GOES_magneto/GOES_magneto_2014_03.nc.ascii?BY_1&time_start=2014-03-29T12:00:00Z&time_end=2014-03-30T12:00:00Z ?? its not standard opendap. John > THREDDS support, > > I'm a student intern at the Solar and Terrestrial Physics division of > NGDC/NOAA and I have been tasked with evaluating the feasibility of using > TDS to serve a GOES NetCDF data set. I have set up the catalog file to > aggregate a month of day files, but I was hoping I could get some advise > regarding the best method for aggregating time series data. > > The issue I'm having is with the use of start_time and end_time parameters > in the url. For example: > > http://localhost:8080/thredds/dodsC/GOES_magneto/GOES_magneto_2014_03.nc.ascii?BY_1&time_start=2014-03-29T12:00:00Z&time_end=2014-03-30T12:00:00Z > > This url returns ascii csv for the entire month of March rather than just > 3/29 through 3/30. > > I'm currently using TDS version 4.3, JDK 1.8, and Tomcat 8.0.5. The NetCDF > files are being aggregated along the "record" dimension and the "time_tag" > variable with units "milliseconds since 1970-01-01 00:00:00.0 UTC". The > "time_tag" variable is being renamed "record" to match the dimension name > as required by TDS. I have attached my catalog.xml file and an example of a > NetCDF file can be found here: > > http://satdat.ngdc.noaa.gov/sem/goes/data/new_full/2014/03/goes15/netcdf/g15_magneto_512ms_20140301_20140301.nc > > I think the problem might be that the file's metadata doesn't comply > exactly with CF metadata conventions. If this is the case, how would the > metadata need to change in order for TDS to recognize the aggregation > dimension as time and allow the use of time parameters in the url? Could > these changes be made in the catalog file via NcML? If these files are not > cut out for time series aggregation, then what conventions would you > suggest for future data sets to make this sort of aggregation feasible? > > Any advice or guidance would be appreciated. > > Thanks in advance, > Dominic Fuller-Rowell > > > Dominic Fuller-Rowell -- Supervised by William Denig > Associate NOAA/NGDC/STPD [Boulder Facility] > 325 Broadway St. > Boulder, CO 80305-3328 USA > > > Tel: (303) 497-6900 > Cell: (303) 587-8671 > address@hidden <address@hidden> > > Ticket Details =================== Ticket ID: JER-551961 Department: Support THREDDS Priority: Normal Status: Open
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