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[IDV #WXG-265938]: IDV not displaying NOAA-CIRES 20CR fields properly

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  • Subject: [IDV #WXG-265938]: IDV not displaying NOAA-CIRES 20CR fields properly
  • Date: Thu, 12 Aug 2010 13:55:55 -0600
Below, I meant *deselect* fast rendering. Sorry for the confusion.  -Julien

> Hi, Kevin
> 
> Yuan and I reproduced the horizontal line problem you see. We are pursuing a 
> bug fix, but in the meantime, we can offer a couple of workarounds:
> 
> 1/ Select fast rendering (Dashboard / Display / Edit / Properties / Settings)
> 2/ Spatially subset the data (Dashboard / Data sources / Properties / Spatial 
> Subset)
> 
> Thanks,
> 
> -Julien
> 
> PS, I am new to Unidata, and the IDV team.
> 
> > Hi Don,
> >
> > The units are correct now.
> >
> > Perhaps an unrelated bug, but I notice if I change projections (e.g., to
> > US), a number of horizontal lines appear on the plot.  I've attached an
> > exmaple . . .
> >
> > Thanks,
> >
> > Kevin
> >
> > On 07/26/2010 06:06 PM, Unidata netCDF Java Support wrote:
> > > Kevin-
> > >
> > > The IDV nightly build has this fix.  Please test it if you have a chance.
> > >
> > > Don Murray
> > >
> > >
> > >> Thanks, John!
> > >>
> > >> On 07/21/2010 06:49 PM, Unidata netCDF Java Support wrote:
> > >>
> > >>> This bug is fixed in current 4.2 code. We are trying to get a stable 
> > >>> version of it released. Will let you know when its ready. thanks for 
> > >>> your patience.
> > >>>
> > >>> John
> > >>>
> > >>>
> > >>>
> > >>>> Hi all,
> > >>>>
> > >>>> When I load in NetCDF files from the 20th century reanalysis dataset
> > >>>> from the NCDC NOMADS TDS, I can read and plot data, but the data values
> > >>>> are not correct.   For example, 850 mb temperature grids found in the
> > >>>> air.YYYY.nc files will plot as if their temperatures fall between 430
> > >>>> and 430.7 K, with a default contour interval of .04 K.  Similar
> > >>>> unrealistic data ranges/contour levels will appear when other fields in
> > >>>> the 20CR data set are loaded.
> > >>>>
> > >>>> The netCDF files look fine, and they plot OK with other tools (I tried
> > >>>> ncview).  I suspect there is some issue with how IDV is interpreting 
> > >>>> the
> > >>>> netcdf file.  Note that the "add_offset" value (427.66) in the air.nc
> > >>>> files is suspiciously close to the 430K level that IDV is coming up 
> > >>>> with
> > >>>> . . .
> > >>>>
> > >>>> Any ideas?
> > >>>>
> > >>>> Thanks,
> > >>>>
> > >>>> --Kevin
> > >>>>
> > >>>> ______________________________________________________________________
> > >>>> Kevin Tyle, Systems Administrator               **********************
> > >>>> Dept. of Atmospheric&   Environmental Sciences   address@hidden
> > >>>> University at Albany, ES-235                    518-442-4578 (voice)
> > >>>> 1400 Washington Avenue                          518-442-5825 (fax)
> > >>>> Albany, NY 12222                                **********************
> > >>>> ______________________________________________________________________
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>> Ticket Details
> > >>> ===================
> > >>> Ticket ID: WXG-265938
> > >>> Department: Support netCDF Java
> > >>> Priority: High
> > >>> Status: Closed
> > >>>
> > >>>
> > >>>
> > >>>
> > >>
> > >>
> > >
> > > Ticket Details
> > > ===================
> > > Ticket ID: WXG-265938
> > > Department: Support netCDF Java
> > > Priority: High
> > > Status: Open
> > >
> > >
> > >
> >
> >
> 


Ticket Details
===================
Ticket ID: WXG-265938
Department: Support IDV
Priority: Critical
Status: Open