Re: [idvusers] NPP/VIIRS netCDF in viewer?

Hi Stonie...

These data are not stored in the netCDF file in a manner that is
recognized by the IDV.  The McIDAS-V software, which is based on the
IDV and is also freely available, does contain special file adapters
to work with Suomi-NPP data.  Further information is available from


It is my understanding that you need to have the data and geolocation
files for each granule in the same directory in order to use the
Chooser (which, by the way, the last time I looked was in the "Under
development" tree branch).  Also, according to a post in the McV
Forum, "you can display individual or multiple granules at full
resolution by subsetting the data in the Region tab of the Field
Selector. You can subset a region within the granule with Shift+click
and drag."

Hope that helps...and all is well with you.


On Fri, Oct 5, 2012 at 8:17 PM, Stonie R. Cooper
<stonie.cooper@xxxxxxxxxxxxxxxxx> wrote:
> I attempted to view the new NPP/VIIRS data in IDV (3.1) - went through Data
> Selector, and selected the netCDF file; it then gave me an error and asked
> if I want to select a different type to try to open, so I selected "netCDF
> Files".  It returned the same error.
> What would be the proper way to view the NPP/VIIRS data?  Or is it not
> supported?
> --
> Stonie
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Tom Whittaker
University of Wisconsin-Madison
Space Science & Engineering Center (SSEC)
Cooperative Institute for Meteorological Satellite Studies (CIMSS)
1225 W. Dayton Street
Madison, WI  53706  USA
ph: +1 608 262 2759