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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
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And just a reminder that NCO can be easily installed using Conda: conda install -c conda-forge nco or if you don't have conda installed yet, just cut-and-paste these lines to install conda and NCO: url=https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh curl $url -o miniconda.sh bash miniconda.sh -b export PATH=$HOME/miniconda3/bin:$PATH conda install -c conda-forge nco On Wed, Jun 22, 2016 at 10:01 AM, Lynnes, Christopher S. (GSFC-5860) <christopher.s.lynnes@xxxxxxxx> wrote: > Another alternative is to use the ncks command in a dap-enabled form of the > NCO package, which will automatically pull over the coordinate variables: > > ncks -4 -d time,480,603 -d lat,20,34 -d lon,26,40 -v air > http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2/pressure/air.2014.nc > out.nc > >> On Jun 22, 2016, at 9:41 AM, Antonio S. Cofiño <cofinoa@xxxxxxxxx> wrote: >> >> Ashwin, >> >> You must also have to specify time, latitude, longitude and level >> coordinated variables associated to the tas variable itself >> >> nccopy -4 >> "http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2/pressure/air.2014.nc?air[480:603][2][20:34][26:40],time[480:603],level[2],lat[20:34],lon[26:40]"; >> foo.nc >> >> regards >> >> Antonio >> >> P.S: The air variable is a Grid or ARRAY MAP in DAP terminology and it would >> be possible to do what you want without specifying coordinated variables.... >> but the DAP service implemented by THREDDS is simpler in constraint >> expression than others DAP service implementations (i.e. hyrax) >> >> El 22/06/2016 a las 15:20, ashwinD12 . escribió: >>> Hello, >>> I am using nccopy to download NCEP reanalysis files from a THREDDS >>> server using constraint expressions. >>> >>> nccopy -4 >>> "http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2/pressure/air.2014.nc?air[480:603][2][20:34][26:40]”; >>> foo.nc >>> >>> However it does not do what I want it to do. When I check the contents of >>> foo.nc it does not download the latitude, longitude, time and level >>> information. >>> >>> The same file downloaded by FTP from ESRL PSD site contains the information >>> of time, latitude , longitude and and level. >>> >>> Is there some other option I need to include in the nccopy command so that >>> the other information is also downloaded ? Do I need to the include the >>> "-v" option ? >>> >>> >>> Following is my sample data from using nccopy - >>> >>> time[0] level[0] lat[0] lon[0] hgt[0]=5758 m >>> time[0] level[0] lat[0] lon[1] hgt[1]=5715 m >>> time[0] level[0] lat[0] lon[2] hgt[2]=5679 m >>> time[0] level[0] lat[0] lon[3] hgt[3]=5658 m >>> time[0] level[0] lat[0] lon[4] hgt[4]=5651 m >>> time[0] level[0] lat[0] lon[5] hgt[5]=5656 m >>> time[0] level[0] lat[0] lon[6] hgt[6]=5666 m >>> time[0] level[0] lat[0] lon[7] hgt[7]=5675 m >>> time[0] level[0] lat[0] lon[8] hgt[8]=5680 m >>> time[0] level[0] lat[0] lon[9] hgt[9]=5680 m >>> time[0] level[0] lat[0] lon[10] hgt[10]=5678 >>> >>> The same data from FTP - >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[0]=65 hgt[0]=5758 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[1]=67.5 hgt[1]=5715 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[2]=70 hgt[2]=5679 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[3]=72.5 hgt[3]=5658 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[4]=75 hgt[4]=5651 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[5]=77.5 hgt[5]=5656 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[6]=80 hgt[6]=5666 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[7]=82.5 hgt[7]=5675 m >>> time[0]=1879032 level[0]=500 lat[0]=40 lon[8]=85 hgt[8]=5680 m >>> >>> >>> Regards, >>> Ashwin. >>> >>> >>> >>> _______________________________________________ >>> 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. >>> >>> >>> netcdfgroup mailing list >>> >>> netcdfgroup@xxxxxxxxxxxxxxxx >>> >>> For list information or to unsubscribe, visit: >>> http://www.unidata.ucar.edu/mailing_lists/ >> >> _______________________________________________ >> 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. >> >> >> netcdfgroup mailing list >> netcdfgroup@xxxxxxxxxxxxxxxx >> For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ > > -- > Christopher Lynnes NASA/GSFC 301-614-5185 > “We choose to go to the moon in this decade and do the other things, not > because they are easy, but because they are hard..." - John F. Kennedy > > > > _______________________________________________ > 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. > > > netcdfgroup mailing list > netcdfgroup@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
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