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Hi John, Yes it's a single trajectory. Thanks to check the NetCDF, we will add the "trajectory" variable. I will wait the IDV handle CF 1.6 point files. Thanks El 6 de marzo de 2012 17:16, John Caron <caron@xxxxxxxxxxxxxxxx> escribió: > HI Kristian : > > Your file appears to be trying to follow CF 1.6 point conventions. Which > form are you intending to use? It looks like a single trajectory (H.4.2) ? > > http://cf-pcmdi.llnl.gov/**documents/cf-conventions/1.6/** > cf-conventions.html#idp8388800<http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.6/cf-conventions.html#idp8388800> > > it seems to be missing: > > char trajectory(name_strlen) ; > trajectory:cf_role = "trajectory_id"; > > > Anyway, the problem is that the IDV cannot yet handle CF 1.6 point files. > Its on our list to get this working. > > John > > > On 3/6/2012 6:34 AM, Kristian Sebastián wrote: > >> Hi, >> >> The attached NetCDF file is a valid "Track file" Data type. The IDV can >> open it and display the parameters (platform speed, temperature...). What >> modifications have I do? >> I must rename the latitude, longitude and altitude coordinates variables . >> The original name was "LAT", "LON" and "ALT", now "latitude, "longitude" >> and "altitude". >> Maybe, the NetCDF library looks for the coordinate variable from the >> variable name, not the standard name. It should look for the standar >> name... no? >> >> >> El 6 de marzo de 2012 09:38, Kristian Sebastián <ksebastian@xxxxxxxx<mailto: >> ksebastian@xxxxxxxx>> escribió: >> >> >> Hi Yuan Ho, >> >> We have also glider trajectories and we can open them with the IDV >> as "Track file" data type. But if I open the surface drifter >> NetCDF file as track file the IDV throws the exception attached in >> the TrackFileError image. That's why testing the "Trajectory >> Sounding files" Data type is see the time issue. I can't change >> the time units to seconds since 1980-01-06 00:00:00, so more >> testing is needed!. >> >> Thanks a lot! >> >> 2012/3/6 Yuan Ho <yuanho@xxxxxxxxxxxxxxxx >> <mailto:yuanho@xxxxxxxxxxxx.**edu <yuanho@xxxxxxxxxxxxxxxx>>> >> >> >> On 3/5/2012 2:13 AM, Kristian Sebastián wrote: >> >> Hi, >> >> We save the surface drifter data in NetCDF format and >> CF-1.6 ( like the >> "dep0002_idrifter003_scb-**idrifter003_L1_2012-02_depth.**nc" >> attached file). >> When we try to display it through the IDV some issue : >> >> - The "Data Source type" selected to open the NetCDF >> file is "Trajectory >> >> Sounding Files" no "Track files" (throws a >> BadDataexpception). Is the data >> type correct? >> >> >> Trajectory sounding Files is designed for the COMSIC dataset, >> if you want to use this type, you need to modify unit of time >> of your dataset to seconds since 1980-01-06 00:00:00, and the >> values too. >> >> >> >> Yuan >> >> - We can display the trajectory and the parameters like >> temperature, >> >> platform speed ... but the displayed time in IDV is >> wrong "3645241-01-9" >> (view MapViewSurfaceDrifterWrongTime image) >> - The axis Z is defined with the ALT (standard_name = >> altitude) >> >> variable, but if the axis Z with the DEPTH >> (standard_name = depth) >> variable, only the bounding box is displayed in the >> "Map View" (view >> MapViewSurfaceDrifterOnlyBound**ingBox image) >> >> I have also tried to open the file with the ToolsUI-4.2.18 >> but I can't open >> it as "Trajetory" in the "FeatureType" (view >> FailedTodFindDataTypeFactory >> image). >> The coordinate system seems to be ok, I have checked it >> opening the file >> with the tab "CoordSys". >> As "PointFeature"-"TRAJECTORY" is possible to open it and >> display all the >> dataset values (view PointFeatureTRAJECTORY image). The >> time values seems >> to be ok, I don't why in the IDV the time value is wrong. >> An "unknown" >> point is displayed in the map. >> >> Thanks >> >> >> >> >> ______________________________**_________________ >> idvusers mailing list >> idvusers@xxxxxxxxxxxxxxxx >> <mailto:idvusers@xxxxxxxxxxxx.**edu<idvusers@xxxxxxxxxxxxxxxx> >> > >> >> For list information, to unsubscribe, visit: >> >> http://www.unidata.ucar.edu/**mailing_lists/<http://www.unidata.ucar.edu/mailing_lists/> >> >> >> ______________________________**_________________ >> idvusers mailing list >> idvusers@xxxxxxxxxxxxxxxx >> <mailto:idvusers@xxxxxxxxxxxx.**edu<idvusers@xxxxxxxxxxxxxxxx> >> > >> >> For list information, to unsubscribe, visit: >> >> http://www.unidata.ucar.edu/**mailing_lists/<http://www.unidata.ucar.edu/mailing_lists/> >> >> >> >> -- >> >> >> Kristian Sebastian Blalid >> SOS Division: Data Center Technical >> Tel: 971439860 - Fax: 971439979 >> E-mail: kristian.sebastian@xxxxxxxx >> <mailto:sonia.gomara@xxxxxxxx> / kristian.sebastian@xxxxxx >> <mailto:sonia.gomara@xxxxxx> >> >> >> >> >> >> -- >> >> >> >> Kristian Sebastian Blalid >> SOS Division: Data Center Technical >> Tel: 971439860 - Fax: 971439979 >> E-mail: kristian.sebastian@xxxxxxxx >> <mailto:sonia.gomara@xxxxxxxx> / kristian.sebastian@xxxxxx >> <mailto:sonia.gomara@xxxxxx> >> >> >> >> >> >> ______________________________**_________________ >> idvusers mailing list >> idvusers@xxxxxxxxxxxxxxxx >> For list information, to unsubscribe, visit: http://www.unidata.ucar.edu/ >> **mailing_lists/ <http://www.unidata.ucar.edu/mailing_lists/> >> > > ______________________________**_________________ > idvusers mailing list > idvusers@xxxxxxxxxxxxxxxx > For list information, to unsubscribe, visit: http://www.unidata.ucar.edu/* > *mailing_lists/ <http://www.unidata.ucar.edu/mailing_lists/> > -- Kristian Sebastian Blalid SOS Division: Data Center Technical Tel: 971439860 - Fax: 971439979 E-mail: kristian.sebastian@xxxxxxxx <sonia.gomara@xxxxxxxx> / kristian.sebastian@xxxxxx <sonia.gomara@xxxxxx>
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