Hein, We experimented with your data. The Conventions=CF-1.6 seems suspect. When we removed that convention global attribute with NCML and loaded the data in the IDV with the "Aggregate Grids by Time" Data Source Type, the data seemed to be properly handled with respect to time. Best, Unidata IDV Support On Tue, Jul 15, 2014 at 9:18 AM, Don Murray (NOAA Affiliate) < don.murray@xxxxxxxx> wrote: > If you don't get a response here, send a note to > support-idv@xxxxxxxxxxxxxxxx to contact the developers directly. > > > On 7/15/14, 9:02 AM, Hein Zelle wrote: > >> Dear IDV developers, >> >> the email below got no response from the IDV users list, I hope >> someone here can help. I'm trying to put ascat swath data in NetCDF >> in such a way that IDV will open the files and allow scrolling through >> time, showing the appropriate swath for each time step. >> >> I have now ended up with 1 file per swath (reduced to 1 hour of data) >> following the ghrsst example. See the attached ncdump output for the >> structure. These files load properly and IDV recognizes the time >> value! >> >> Time scrolling doesn't work: after loading multiple files, IDV (5.0) >> always shows all swaths, independent of what time value is selected in >> the time slider. I've added time bounds to no effect. I tried using >> a master time driver from a different dataset to no effect. >> >> Is this a bug in IDV? Can anyone tell me if this can be made to work >> the way I intend? >> >> Example files are at >> >> http://freja.argoss.nl/file-exchange/ascat_bmta_20140715_00.nc >> http://freja.argoss.nl/file-exchange/ascat_bmta_20140715_01.nc >> http://freja.argoss.nl/file-exchange/ascat_bmta_20140715_02.nc >> http://freja.argoss.nl/file-exchange/ascat_bmta_20140715_03.nc >> >> To reproduce, load each one (make a wind barb plan view or a color >> shaded plan view) and try to scroll through time. >> >> Thanks for your help, >> Kind regards >> >> Hein Zelle >> >> >> >> ----- Forwarded message from Hein Zelle <hein.zelle@xxxxxxxxxxxxx> ----- >> >> Date: Thu, 26 Jun 2014 17:17:14 +0200 >> From: Hein Zelle <hein.zelle@xxxxxxxxxxxxx> >> To: IDV users list <idvusers@xxxxxxxxxxxxxxxx> >> Subject: ascat data in netcdf in IDV >> >> Dear IDV users, >> >> I'm at it again - struggling with netcdf file formats that will work >> in IDV. Any pointers will be appreciated! I would like to put ascat >> data (a left and right swath of data) in netcdf in such a way that IDV >> will >> >> - visualize the data as a colour shaded plan view >> - skip trough time per orbit or per hour >> >> The attached file dump (testout2.dump) almost works: I concatenate all >> orbits onto a record (time) axis and use attributes to get IDV to >> understand time. IDV loads the file, shows the data variables and it >> shows the time values but it won't plot anything (value plot nor color >> shaded). No error, just no plot. (IDV version 3.1u1) >> >> Can anyone spot what's wrong with testout2.dump? The file is at >> http://freja.argoss.nl/file-exchange/testout2.nc >> Even better, does anyone have a working example of a file containing >> satellite orbits with swaths? >> >> Some observations: >> - the record axis cannot be called 'time', IDV doesn't read the file. >> - I don't know what's the proper featureType for this file, I can't >> find a relevant example in the CF conventions. >> - I tried adding a third dimension (hourly time axis) with a separate >> record axis, but I couldn't get that to load in IDV at all. >> >> >> Thanks for your help, >> Kind regards >> >> Hein >> >
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