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

20050513: IDV - Forecast grids

>From: Dave Santek <address@hidden>
>Organization: SSEC
>Keywords: 200505132104.j4DL42P3008906

Hi Dave-

>Thanks!

Found the problem and we are working on a fix.  The grib decoder
was incorrectly decoding the time.  Also, it lumps all the times
in the file into one list, hence the multiple times with no data.

>At this time, I'm able to use a combination of IDV and Vis5D to get what 
>I need to show [I think]. The animations will be nice at some point, but 
>for now I need to have this conveyed on paper...so I'm working with a 
>series of static displays.

Okay.  The fix will be in the June release.

>>>Institution: SSEC
>>>Package Version: 1.2b2
>>>Operating System: os.name:Windows XP; os.arch:x86; os.version:5.1; 
>>>Hardware Information: java.vendor:Sun Microsystems Inc.; java.version:1.4.2_
> 01
>>>; java.home:C:\\Program Files\\IDV_1.2b2\\jre; 
>>>Inquiry: Hi Don,
>>>
>>>Me again!
>>>
>>>As you may recall, I've converted some GRIB files into v5d files. This has w
> or
>>>ked out 
>>>great to this point. But, now I want to look at animated 3d cross sections o
> f 
>>>potential temperature. 
>>>I can't do this with the v5d files, because the IDV doesn't know which field
>  i
>>>s temperature 
>>>in order to derive theta..
>>>
>>>So, I am going back to the original GRIB files. I'm looking at a number of f
> or
>>>ecasts from
>>>one model run time. Each GRIB file is a different forecast. When I try to di
> sp
>>>lay a 3d
>>>cross section from each file, they all appear on the same frame...all labele
> d 
>>>with
>>>the model run time, instead of the forecast valid time. If I could just type
>  a
>>>lt-A and
>>>advance to another frame to display the cross sections at different forecast
>  t
>>>imes!
>>>
>>>Also, when I've loaded a forecast grib file, the Select Times field has 2 ti
> me
>>>s in it: the
>>>model run time and a forecast valid time. Two strange things about the forec
> as
>>>t valid
>>>time:
>>>(a) if I select this time, no grids are found to display
>>>(b) the time listed does not correspond to the forecast time
>>>
>>>If I look at a 12 hour forecast grid, the Select Time lists it as a 6 hour f
> or
>>>ecast.

Don Murray
NOTE: All email exchanges with Unidata User Support are recorded in the
Unidata inquiry tracking system and then made publicly available
through the web.  If you do not want to have your interactions made
available in this way, you must let us know in each email you send to us.