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
>>
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>
>
>
> --
> 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
