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Jim, Thanks for the information. I'll start digging into this but (un)fortunately I am out for a couple weeks so it will be a little while before I get back to you. Thanks for your patience. Best, Unidata IDV Support > Hi. > > I was using the nightly release IDV 5.0u1 from August 5. I've uploaded > one version of the file I was trying to view, which is using the > 'continuous ragged array' form. The name of the file is > cfs_ew_850hpa_1993_AFR.nc. I have the same data stored using the > 'multidimensional array' form, but it was too big to upload (the upload > folder quota was exceeded). > > I hope this is helpful. I'm actually trying to validate the file by > verifying that some neutral 3rd party application properly handles it, > so there are no guarantees that what I have is correct! > > Grace and peace, > > Jim > > On 8/6/14, 6:22 PM, Unidata IDV Support wrote: > > Jim, > > > > First off, what version of the IDV are you looking at? Only the nightly > > release > > or IDV 5.0u1 (which has not been released yet, but very soon) has this new > > trajectory feature. Secondly, can you upload the file in question to > > http://motherlode.ucar.edu/repository/alias/idvupload and let us know when > > it is > > there? I am eager to see some real trajectory data since everything I have > > experimented with thus far has been canned. Moreover, there are other > > researchers wanting this feature so real data will be useful for me. > > > > Thanks for you help. > > > > Best, > > > > Unidata IDV Support > > > >> Hi. > >> > >> That is good timing! I tried opening my file and received this error: > >> > >> Problem opening file:/Users/jbiard/Desktop/For > >> Hilawe/cfs_ew_850hpa_1993_AFR.nc > >> java.lang.IllegalArgumentException: Type is float, > >> must be double > >> Type is float, must be double > >> > >> This is interesting, since there is no constraint on variable type in CF. > >> > >> Grace and peace, > >> > >> Jim > >> > >> On 8/6/14, 2:53 PM, Unidata IDV Support wrote: > >>> Jim, > >>> > >>> Good timing. > >>> > >>> As of IDV 5u1 which will be release this week, the IDV can now handle > >>> multiple > >>> trajectories in one CF-compliant file. When wanting to view these data, > >>> select a > >>> Data Source Type of "Trajectory Sounding Files". You will have to build > >>> the > >>> trajectory file in a CF compliant manner as described here: > >>> http://www.unidata.ucar.edu/blogs/developer/en/entry/ipynb_cookbooks_to_create_cf. > >>> > >>> This new IDV functionality should still be considered beta quality and > >>> there > >>> could very well still be problems. Please keep us up-to-date on your > >>> progress. > >>> > >>> Best, > >>> > >>> Unidata IDV Support > >>> > >>> > >>>> Jim > >>>> > >>>> We plot trajectories here. > >>>> > >>>> http://www.esrl.noaa.gov/psd/cgi-bin/data/trajtool/traj.pl > >>>> > >>>> We use Fortran code to calculate the trajectories, stored the output in > >>>> nertCDF and then use a NCL script to plot them. The script works pretty > >>>> well (except where trajectories pass over 0E). We looked into CF > >>>> complaint > >>>> netCDF trajectories standard a while back but didn't implement them. Part > >>>> of the reason was that the code output into it's own netCDF format. > >>>> Still, > >>>> we could have reread and stored the data. I think we would have needed to > >>>> change how time was handled. Also, times went backward for back > >>>> trajectories and we weren't clear if that was okay. > >>>> > >>>> We may try to transition to CF at some point. > >>>> > >>>> Cathy Smith > >>>> > >>>> > >>>> On 8/6/14 8:42 AM, Jim Biard wrote: > >>>> > >>>> Hi. > >>>> > >>>> We are working on building a CF-compliant trajectory dataset. I'd like to > >>>> be able to verify correctness by using an existing application to plot > >>>> the > >>>> trajectories, but I can't seem to find any applications that are > >>>> "trajectory aware". Any suggestions? > >>>> > >>>> Grace and peace, > >>>> > >>>> Jim > >>>> -- > >>>> CF-metadata mailing > >>>> address@hidden.eduhttp://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > >>>> > >>>> -- > >>>> ---------------------------------------------- > >>>> > >>>> Emails about data/webpages may get quicker responses from emailing > >>>> address@hidden > >>>> > >>>> _______________________________________________ > >>>> CF-metadata mailing list > >>>> address@hidden > >>>> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > >>>> > >>> Ticket Details > >>> =================== > >>> Ticket ID: GAI-830760 > >>> Department: Support IDV > >>> Priority: Normal > >>> Status: Closed > > Ticket Details > > =================== > > Ticket ID: GAI-830760 > > Department: Support IDV > > Priority: Normal > > Status: Closed Ticket Details =================== Ticket ID: GAI-830760 Department: Support IDV Priority: Normal Status: Open