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[IDV #HFB-616169]: Field Selector IDV 5.0u2 vs 5.1/5.1u2



> Hi Yuan
> 
> Thank you for the feedback. Iâm unable to upload the grib2 file, seems to 
> take a while but my internet is also slow. You can find samples of the grib2 
> files on my website:
> http://www.vc3d.co.za/wrfems/1504280000_nmm_d01.grb2f180000
> http://www.vc3d.co.za/wrfems/1504280000_nmm_d01.grb2f210000
> 
> May have found the problem. Iâm using IDV on Windows 8 64-bit and do a 
> binary copy of all individual grib2 files into one grib2 file â sometimes 
> the one grib2 file is 2.6 GB or more. IDV 5.0 does not seem to have problem 
> with a file this size but version 5.1 gives the optional TwoD/Best view for 
> some reason.
> 
> When the grib2 files are loaded individually into 5.1, the field selections 
> appear normal but on the odd occasion it will give the optional TwoD/Best 
> options â this appears to be random.
> 
> Regards,
> Vic Chapman

Hi Vic,
         This is known issue for the 5.1 release. 
         When there are more than one time dimensions in the dataset, the time 
aggregation will be problematic and 
some aggregated variables present to users are in-corrected.We want to 
discourage user the do the time aggregation 
when the datasets have more than one time dimensions. In the future, we will 
add a collection type to perform this
function.  
         Sorry about the inconvenience.

Yuan
> 
> -----Original Message-----
> From: Unidata IDV Support
> Sent: Tuesday, April 28, 2015 5:41 PM
> To: address@hidden
> Cc: address@hidden
> Subject: [IDV #HFB-616169]: Field Selector IDV 5.0u2 vs 5.1/5.1u2
> 
> > Full Name: Vic Chapman
> > Email Address: address@hidden
> > Organization: Private
> > Package Version: 5.0u2 build date:2014-11-12 20:09 UTC
> > Operating System: Windows 8
> > Hardware: Java: home: C:\Program Files\IDV_5.0\jre version: 1.7.0_51 
> > j3d:1.6.0-pre9-daily-experimental daily
> > Description of problem:
> >
> > Hi
> >
> > When loading the same Grib2 file in IDV 5.0 and 5.1(or 5.1u2), the fields
> > available under the Field selector tab are significantly different.
> >
> > In version 5.1 there are two extra options available, namely TwoD and
> > Best and no derived fields, whereas in version 5.0 only normal parameter
> > options as well as derived ones.
> >
> > The problem I now have is IDV sessions created in version 5.0 no longer
> > work in 5.1. The difference seems to occur in a grib2 file with more
> > than one forecast hour (time period). For a grib file with only one time
> > period version 5.1 gives the same fields as 5.0.
> >
> > I have attached an image of the two dashboard for better explanation. Any
> > assistince will be appreciated.
> >
> > Regards,
> > Vic Chapman
> >
> 
> Vic,
> 
> This is very odd, I tried my local WRF output in GRIB2 format in the 5.1u2 
> and not seeing this kind of structure. We would like to have
> a sample file to study it.  Please upload a sample here:
> 
> http://motherlode.ucar.edu/repository/alias/idvupload
> 
> 
> Yuan
> >
> >
> 
> Ticket Details
> ===================
> Ticket ID: HFB-616169
> Department: Support IDV
> Priority: Normal
> Status: Open
> 
> 

Ticket Details
===================
Ticket ID: HFB-616169
Department: Support IDV
Priority: Normal
Status: Closed


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