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>From: "Dr. Hans-Juergen Panitz" <address@hidden> >Organization: Forschungszentrum Karlsruhe / IMK, Germany >Keywords: 200402260822.i1Q8MCF9017928 IDV netCDF ECMWF Hello- >Institution: Forschungszentrum Karlsruhe / IMK, Germany >Package Version: 1.1b2 >Operating System: WIN2000 >Hardware Information: 1 GB Processor >Inquiry: I downloaded a 3-D netCDF file (1day, 6-hourly air temperatures on p > ressure levels) from the ECMWF ERA-40 server (40 years ECMWF reanalyses). > >The IDV cannot work with the data. >After choosing the file the button "3D Grid" >shows the entries "temperature" and "Derived". >Taking "Temperature" the pull down menue to choose the different chart types o > pens. > >Choosing anyone of these alwas the message > >"Unable to make a Field from data with parameter name :t" > >What is the problem? I'm not sure at this point. >Can't IDV b e applied with ECMWF dats? It would depend on the format of the netCDF files. While the IDV supports many netCDF conventions, not all netCDF files adhere to conventions. >I attached the ncdump output of my test file. The attachment was empty, so I'm not sure what the structure of the file is. Could you resend and cc: to address@hidden? Thanks. Don Murray NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publically available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.