[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[IDV #RGL-474313]: IDV v2.9u4: Reading Satellite data from NOAA's CLASS archive



> 
> On Apr 5, 2011, at 1:04 PM, Unidata IDV Support wrote:
> 
> >> Julian or Yuan,
> >>
> >> One of my colleagues, John Monteverdi (a synoptic meteorologist), has 
> >> discovered NOAA's Comprehensive Large Array-data Stewardship System 
> >> (CLASS). He downloaded some archived images in AREA format and I've 
> >> downloaded a couple more, one in AREA format and another in NetCDF format 
> >> (which of course is much larger). I then tried to view them in the IDV.
> >>
> >> No luck for either one, though I tried specifying several input file 
> >> formats (MCIDAS AREA files and Image files (GINI) for the AREA files, and 
> >> Grid files (NetCDF/GRIB/OpenDAP/GEMPAK) for the NetCDF files, and "I'm 
> >> feeling lucky" for both.
> >
> > Hi Dave,
> >    Can you upload a few sample files? We do support area file in the IDV, 
> > and would like to see what is the problem here.
> 
> Yuan,
> 
> I just tried to plot the latest 5 available GINI-West 1km visible satellite 
> imagery from adde.ucar.edu. They plots fine if I don't mess with the image 
> size (854x854 by default), but when I expand the size to equal the raw size 
> (5120x4400), the plot becomes scrambled (the first in a sequence of five 
> images) or absent altogether (the subsequent five images). The scrambled 
> image resembles what I get when I try to plot one of our 1km visible 
> satellite images acquired via the LDM's NIMAGE feed.
> 

Hi Dave,
  This is the same as my last email, you need big memory to load 5120x4400, and 
your screen resolution can not get benefit from this big resolution. So, 
setting strike would be wise.


Yuan
> I've attached a bundle to illustrate the problem--you should be able to load 
> it directly without editing.
> 
> -- Dave
> 
> 
> 


Ticket Details
===================
Ticket ID: RGL-474313
Department: Support IDV
Priority: Normal
Status: Open