Hi, Rich,
Thanks very much for the information on what additional formats
ERDDAP supports. Yes, many users just want CSV. Unfortunately, ERDDAP is
not a viable option for me at this time.
So I suppose it's still an open question if TDS can support this
use-case through NCSS.
Thanks,
Aaron
On Tue, Mar 1, 2016 at 12:38 PM, Signell, Richard <rsignell@xxxxxxxx> wrote:
> Aaron,
>
> If you guys have essentially tabular data in CF-1.6 compliant netcdf
> files (which it looks like you do), and want to deliver CSV, JSON and
> other formats for users, you might consider setting up an ERDDAP
> server in addition to THREDDS. Folks love that you can download CSV,
> JSON, .mat files, etc using RESTFUL syntax, just like the NCSS.
>
> ERDDAP has the ability to read directly from CF-1.6 NetCDF files:
>
> http://coastwatch.pfeg.noaa.gov/erddap/download/setupDatasetsXml.html#EDDTableFromNcCFFiles
> and installation/setup/maintenance of ERDDAP has become a lot easier
> now that it's been dockerized:
> https://hub.docker.com/r/axiom/docker-erddap/
>
> Here's a site installed with ERDDAP container that hosts CF-1.6 netCDF
> files:
>
> http://hydromet-thredds.princeton.edu:8000/erddap/info/index.html?page=1&itemsPerPage=1000
>
> Here's a example request of data from just two variables for the last 7
> days:
>
> 1. as htmlTable:
>
> http://hydromet-thredds.princeton.edu:8000/erddap/tabledap/butler.htmlTable?time,RH,TCroof_Avg&time%3E=now-7days&time%3C=now
>
> 2. as CSV
>
> http://hydromet-thredds.princeton.edu:8000/erddap/tabledap/butler.csv?time,RH,TCroof_Avg&time%3E=now-7days&time%3C=now
>
> 3. as JSON
>
> http://hydromet-thredds.princeton.edu:8000/erddap/tabledap/butler.json?time,RH,TCroof_Avg&time%3E=now-7days&time%3C=now
>
> I say this as a happy THREDDS Data Server user -- no reason not to
> have both TDS and ERDDAP, but ERDDAP is especially nice for tabular
> data.
>
> -Rich
>
> On Mon, Feb 29, 2016 at 6:40 PM, Aaron Sweeney - NOAA Affiliate
> <aaron.sweeney@xxxxxxxx> wrote:
> > Hi,
> >
> > I am providing netCDF data via TDS and using NCSS (subset service)
> to
> > provide the option of downloading data as CSV.
> >
> > Is it possible to deselect latitude, longitude, and station number
> in a
> > time-series netCDF file that contains only one station with one latitude
> and
> > longitude? The resultant CSV files contain extra columns for station
> > number, latitude, and longitude. Because these values never change, this
> > seems like a waste of bandwidth. In my netCDF files, I have specified
> the
> > dimension of the timeSeries to 1, rather than leave it out entirely.
> >
> > Here's a live example where I'm selecting four physical variables
> via
> > NCSS, but I also get back station number, latitude, and longitude:
> >
> >
> http://www.ngdc.noaa.gov/thredds/ncss/dart_bpr/processed/54401/54401_20090912to20130828_qc.nc?var=seafloor_pressure_abs_quality_controlled&var=seafloor_pressure_abs_modelled&var=seafloor_pressure_residual&var=temperature&temporal=all&accept=csv
> >
> > Thanks,
> > Aaron
> >
> > --
> > Aaron D. Sweeney
> > Water Level Data Manager
> >
> > Cooperative Institute for Research in Environmental Sciences (CIRES)
> > University of Colorado at Boulder
> > and
> > NOAA National Centers for Environmental Information
> > formerly NOAA's National Geophysical Data Center
> > 325 Broadway, E/NE42
> > Boulder, CO 80305-3328
> >
> > Phone: 303-497-4797, Fax: 303-497-6513
> >
> > DISCLAIMER: The contents of this message are mine personally and do not
> > necessarily reflect any position of NOAA.
> >
> > _______________________________________________
> > thredds mailing list
> > thredds@xxxxxxxxxxxxxxxx
> > For list information or to unsubscribe, visit:
> > http://www.unidata.ucar.edu/mailing_lists/
>
>
>
> --
> Dr. Richard P. Signell (508) 457-2229
> USGS, 384 Woods Hole Rd.
> Woods Hole, MA 02543-1598
>
--
Aaron D. Sweeney
Water Level Data Manager
Cooperative Institute for Research in Environmental Sciences (CIRES)
University of Colorado at Boulder
and
NOAA National Centers for Environmental Information
*formerly NOAA's National Geophysical Data Center*
325 Broadway, E/NE42
Boulder, CO 80305-3328
Phone: 303-497-4797, Fax: 303-497-6513
DISCLAIMER: The contents of this message are mine personally and do not
necessarily reflect any position of NOAA.
