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Rich, Yeah, I do want all that. We are working on WCS for 3D+time (4 independent vars) and I was working to get some real test datasets. N > On Jun 17, 2016, at 7:41 AM, Signell, Richard <rsignell@xxxxxxxx> wrote: > > Nathan, > I took your same request, but changed the horizontal stride from 1 to > 100 (horizStride=100) > > http://thredds.ucar.edu/thredds/ncss/grib/NCEP/GFS/Global_0p25deg/best?var=u-component_of_wind_isobaric&var=v-component_of_wind_isobaric&horizStride=100&time_start=2016-06-13T00%3A00%3A00Z&time_end=2016-07-02T06%3A00%3A00Z&timeStride=1&vertCoord=&addLatLon=true&accept=netcdf4 > > It took 12 minutes, but successfully completed the request, delivering > a 2MB netcdf4 file which I've attached and placed here: > > http://geoport-dev.whoi.edu/thredds/catalog/usgs/data2/rsignell/test/catalog.html?dataset=usgs/data2/rsignell/test/best.nc > > Checking out the DDS at > http://geoport-dev.whoi.edu/thredds/dodsC/usgs/data2/rsignell/test/best.nc.dds > I see that you are asking for 117 time steps, and there are 31 > vertical levels in these variables. > > Did you really want all that? > > Your original request (with horizStride=1) would have been a request > for 100x100=10,000 times more data, or roughly 20GB of data. Perhaps > that's why it crapped out? > > But I agree the original error message you received was not very informative. > > -Rich > > > > On Thu, Jun 16, 2016 at 1:18 PM, Nathan Potter <ndp@xxxxxxxxxxx> wrote: >> >> I used this form: >> >> >> http://thredds.ucar.edu/thredds/ncss/grib/NCEP/GFS/Global_0p25deg/best/dataset.html >> >> To construct this NetCDF Subset Service request: >> >> >> http://thredds.ucar.edu/thredds/ncss/grib/NCEP/GFS/Global_0p25deg/best?var=u-component_of_wind_isobaric&var=v-component_of_wind_isobaric&horizStride=1&time_start=2016-06-13T00%3A00%3A00Z&time_end=2016-07-02T06%3A00%3A00Z&timeStride=1&vertCoord=&addLatLon=true&accept=netcdf4 >> >> Which returns the following remarkably cryptic message: >> >> first (-66) must be >= 0 >> >> Does anybody have some thoughts as to what I might change to make the >> request successful, or to get a more understandable message? >> >> >> Thanks, >> >> Nathan >> >> >> = = = >> Nathan Potter ndp at opendap.org >> OPeNDAP, Inc. +1.541.231.3317 >> >> _______________________________________________ >> NOTE: All exchanges posted to Unidata maintained email lists are >> recorded in the Unidata inquiry tracking system and made publicly >> available through the web. Users who post to any of the lists we >> maintain are reminded to remove any personal information that they >> do not want to be made public. >> >> >> 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 > <best.nc4> = = = Nathan Potter ndp at opendap.org OPeNDAP, Inc. +1.541.231.3317
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