This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Gregg, Yes, Iowa State is using my programs to map with GIS. I also have a gini format image and a grib format grid in our data stream. Examples are shown at: http://motherlode.ucar.edu/unidata/images/nids/gdradr.html http://www.unidata.ucar.edu/software/gempak/examples/gdradr/index.html Steve On Wed, 2005-12-21 at 13:25, Gregory Grosshans wrote: > Steve, > > Thanks for the information. I was thinking that Iowa state was using > your software to create 1-km mosaic imagery. If this is so, are they > using the level-III data? > > Thanks, > Gregg > > Steve Chiswell wrote: > > >Gregg, > > > >The mosaics I produce in GEMPAK are from level III data. I produce them > >both as grids and images. Level II could be done, but > >some sites (DOD/FAA) aren't available. > > > >Ken Howard/Steve Vassilov and group at NSSL is producing > >a level II mosaic in 2d and 3d for use with QPESUMS. They are doing > >more processing to remove clutter, brightband freezing level and sun > >attenuation etc. and have gridded volumes. I have aded the display of > >these NetCDF grids to my GEMPAK release. We are hoping that they will > >make the data available via IDD in the near future. > > > >See: > >http://www.unidata.ucar.edu/Presentations/UPCsemseries/NMQ_UnidataPres_New.pdf > > > >Other references > >http://www.copernicus.org/erad/2004/online/ERAD04_P_105.pdf > >http://ams.confex.com/ams/pdfpapers/86485.pdf > >http://ams.confex.com/ams/32Rad11Meso/techprogram/paper_95704.htm > >http://www.nssl.noaa.gov/wrd/wish/q2/agenda.shtml > > > >Steve Chiswell > >Unidata User Support > > > > > > > >On Wed, 2005-12-21 at 13:00, Gregory Grosshans wrote: > > > > > >>Steve, > >> > >>I'm trying to gather additional information about level-II mosaic > >>imagery for N-AWIPS. Its my understanding you have software to create > >>radar level-II mosaic data that is displayable in the Unidata N-AWIPS. > >> > >>Can you please provide information about the data format (e.g. image > >>data and type of image format, or a gempak grid) and perhaps why you > >>chose one format (e.g. image over a gempak grid, or vice versa) over > >>another? Also, what type of CPU processing is required to create the > >>level-II mosaic and what resolution is the mosaic? What characteristics > >>of the Unidata version of N-AWIPS allows the data to be displayed (e.g. > >>array x had to be increased)? > >> > >>Thanks, > >>Gregg > >> > >> > >>