This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Hi Don, > > This was only a sample file and I assumed that day and month are changed > accordingly. I have attached now the exact ctl files, which I used for the > two data sets: > > pollen_20130401.ctl works > pollen_20130331.ctl does not work > pollen_20130331_20130401.ctl does not work > > With kind regards, > > Helfried > Helfried, All three ctl files work for me. Yuan > > > -----Ursprüngliche Nachricht----- > Von: Unidata IDV Support [mailto:address@hidden] > Gesendet: Donnerstag, 13. Juni 2013 18:01 > An: address@hidden > Cc: address@hidden > Betreff: [IDV #NTJ-163288]: GRADS > > Hi Helfried- > > > Two GRADS datasets (31st March and 1st April 2013) have been uploaded at > > the address given below for test purposes. > > Thanks for the sample files. If you change the month to mar, you also need > to change the day to 31 to correspond to the files you sent. The template > you are using for time is filled out with the values you set for TDEF so it > would be looking for a file of 20130301 if you only change the month to mar. > For the sample files you sent, I can modify TDEF to be: > > TDEF 48 LINEAR 00:00Z31mar2013 1hr > > and load them into the IDV as an aggregation of the data in both files. > > Don Murray > > > -----Ursprüngliche Nachricht----- > > Von: Unidata IDV Support [mailto:address@hidden] > > Gesendet: Montag, 10. Juni 2013 17:48 > > An: address@hidden > > Cc: address@hidden > > Betreff: [IDV #NTJ-163288]: GRADS > > > > Dear Helfried, > > > > Yes, please upload sample data files to > > http://motherlode.ucar.edu/repository/alias/idvupload so that we may > > reproduce the issue. Thanks. > > > > Best Wishes, > > > > Unidata IDV Support > > > > > Full Name: Helfried Scheifinger > > > Email Address: address@hidden > > > Organization: Zentralanstalt fur Meteorologie und Geodynamik Package > > > Version: 4.0 Operating System: WIN7 > > > Hardware: 64 bit > > > Description of problem: Hallo, > > > > > > This is rather a hint than a request for help. It appears to me that > > > IDV will not accept ctl files with an odd month in the TDEF > > > descriptor. If I change the month in the attached asdf.ctl file to > > > mar IDV will give an error, if it is set to apr it works. If I take > > > an even month and set the number of timesteps reaching into the odd > > > month, it works also. > > > > > > If you are interested, I can upload sample data files somewhere. > > > > > > With kind regards, > > > > > > Helfried Scheifinger > > > > > > > > > > > > Ticket Details > > =================== > > Ticket ID: NTJ-163288 > > Department: Support IDV > > Priority: Normal > > Status: Open > > > > > > > Ticket Details > =================== > Ticket ID: NTJ-163288 > Department: Support IDV > Priority: Normal > Status: Open > > Ticket Details =================== Ticket ID: NTJ-163288 Department: Support IDV Priority: Normal Status: Closed