[IDV #PYH-734212]: Problem getting GFS data to load

> Yuan,
> 
> To be precise, let me repeat the situation:
> 
> Hangup occurs with GRIB2 file, apparently not with NetCDF.  The problem
> occurs at the very first step, ADD SOURCE, where it is too early to use
> striding or geographic limitation to reduce the loading (I think...am I
> wrong?).  A GRIB2 file of 28 kb seems to add successfully, but just about
> anything larger results in an endless loading process.
> 
> Murray

Hi Murray,
    There is nothing you can do if the problem is the speed of the internet. 
When you adding the data in the first step, only very small amount of data 
transfer over the internet.


Yuan
> 
> 
> ----- Original Message -----
> From: "Unidata IDV Support" <address@hidden>
> To: <address@hidden>
> Cc: <address@hidden>
> Sent: Tuesday, August 02, 2011 7:46 PM
> Subject: [IDV #PYH-734212]: Problem getting GFS data to load
> 
> 
> >> Dear ID Folks,
> >>
> >> I've previously tried to load HYCOM data, and got terribly bogged down
> >> in an endless load sequence.  Today, I've been trying to load data from
> >> DATA CHOOSERS > CATALOGS > UNIDATA IDD MODEL DATA > UCAR MOTHERLODE >
> >> GLOBAL FORECAST SYSTEM MODEL > NCEP GFS GLOBAL 2.5 DEGREE > LATEST NCEP
> >> FTS GLOBAL 2.5 DEGREE ( I also tried GFS GLOBAL 2P5DEG 20110731
> >> 0600.GRIB2).
> >>
> >> The little download indicator in the bottom right corner of IDV
> >> indicates that it's working away, but after about 1.5 hours I gave up.
> >> I went into the GFS files system and downloaded directly a seemingly
> >> innocent 3 MB grib2 global grid and tried to load it into IDV and got
> >> the same results as with the catalog.  I downloaded a very much smaller
> >> CONUS grid named gfs_grb211.t06z.pgrbf00.grib2 (28 kb) and it does load
> >> and display in IDV.
> >>
> >> My version of IDV is 3.0b1, and I'm working on a plain vanilla Compaq
> >> laptop with Windows XP (including all updates).  Have you heard from
> >> anyone else out there who simply cannot load large GFS or HYCOM grib
> >> grids?  Are there any settings you know of that might help my system
> >> out?  Are there any general guidelines on how large a grib file can be
> >> before loading problems begin?
> >
> > Hi Murray,
> >    It sounds like the network connection issue to me, the general
> > guideline is to subset the data to limit
> > the size of the data transferring over the network. You can subset the
> > region if you don't need to see the whole region, and you can also apply
> > strike to either dimension, the same strike can be applied to the time
> > dimension.
> >
> > Hope this can help.
> >
> >
> > Yuan
> >>
> >> Murray
> >>
> >> Murray Brown
> >> 1710 Washington St., Apt. B
> >> New Smyrna Beach, FL 32168
> >> United States of America
> >> 386.428.6367
> >> http://oceanexpert.org/viewMemberRecord.php?&memberID=242
> >>
> >>
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: PYH-734212
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> 
> 


Ticket Details
===================
Ticket ID: PYH-734212
Department: Support IDV
Priority: Normal
Status: Closed