[gradsusr] GRIB2 All Undefined Values

[Charles]

Thanks for that suggestion, Wesley. I switched to GrADS 2.0.1 and
everything seems to be working. Hopefully I will have better luck with the
next version of GrADS.

Thanks again for the help, I really appreciate it.

Charles


On Tue, Nov 19, 2013 at 9:44 AM, Wesley Ebisuzaki - NOAA Federal <
wesley.ebisuzaki at noaa.gov> wrote:

> Charles,
>
>    I am using GrADS 2.0.1 (Centros version) from the COLA website.
>
>        Wesley
>
>
>
> On Tue, Nov 19, 2013 at 9:15 AM, Charles <cl012685 at gmail.com> wrote:
>
>> Thank you for the reply, Wesley. It sounds like there might be an issue
>> with my gribmap or GrADS install. If I run gribmap with the verbose option
>> on GRIB1 files, it matches all the variables just fine. However, it returns
>> an error with GRIB2 files.
>>
>> gribmap -v -i gfs.t12z.mastergrb2f12.ctl
>>       gribmap: scanning GRIB2 file: gfs.t12z.mastergrb2f12
>>       Segmentation fault (core dumped)
>>
>> When I don't run verbose option on GRIB2 files, gribmap will create an
>> index file. But based on the above error, those index files are probably
>> not correct. Which would explain my original issue of all values being
>> undefined.
>>
>> Do you have any suggestions on where I should go from here to solve this
>> gribmap issue?
>>
>> Thanks again,
>>
>> Charles
>>
>>
>> On Tue, Nov 19, 2013 at 7:36 AM, Wesley Ebisuzaki - NOAA Federal <
>> wesley.ebisuzaki at noaa.gov> wrote:
>>
>>> Charles,
>>>
>>>    It worked for me.
>>>
>>>       g2ctl gfs.t12z.mastergrb2f12 >junk.ctl
>>>                  (I see that you did this)
>>>       gribmap -i junk.ctl
>>>                  (do not use -0)
>>>
>>>      grads
>>>       Landscape mode? ('n' for portrait): (entered return)
>>>       ga-> open junk.ctl
>>>       ga-> d hgt200mb
>>>
>>> Hint:  use gribmap -v -i junk.ctl to see which fields match the ctl file.
>>>
>>>      Wesley
>>>
>>>
>>>
>>> On Mon, Nov 18, 2013 at 4:33 PM, Charles <cl012685 at gmail.com> wrote:
>>>
>>>> Hello All,
>>>>
>>>> I am a fairly new user of GrADS. My setup includes: GrADS 2.0.2 on
>>>> Fedora 19, g2ctl 0.0.8.8 and wgrib2 v1.9.9.
>>>>
>>>> I am having issues with all GRIB2 files. I have followed instructions
>>>> and I can successfully create control files and index files, but GrADS
>>>> returns "all undefined values" no matter what I try to plot. I have been
>>>> getting around this by converting the files to GRIB1 and using grib2ctl,
>>>> which I have had no trouble with. However, I would like to eliminate that
>>>> step. I was wondering if anyone could shed some light on what I am missing?
>>>>
>>>> In case it is an issue with the control file, I have pasted one below
>>>> from today's 12Z GFS 0.5x0.5 degree from NOMADS.
>>>>
>>>> dset ^gfs.t12z.mastergrb2f12
>>>> index ^gfs.t12z.mastergrb2f12.idx
>>>> undef 9.999E+20
>>>> title gfs.t12z.mastergrb2f12
>>>> * produced by g2ctl v0.0.8.8
>>>> * command line options: gfs.t12z.mastergrb2f12
>>>> * griddef=1:0:(720 x 361):grid_template=0:winds(N/S): lat-lon grid:(720
>>>> x 361) units 1e-06 input WE:NS output WE:SN res 48 lat 90.000000 to
>>>> -90.000000 by 0.500000 lon 0.000000 to 359.500000 by 0.500000
>>>> #points=259920:winds(N/S)
>>>>
>>>> dtype grib2
>>>> ydef 361 linear -90.000000 0.5
>>>> xdef 720 linear 0.000000 0.500000
>>>> tdef 1 linear 00Z19nov2013 1mo
>>>> * PROFILE hPa
>>>> zdef 2 levels 50000 20000
>>>> options pascals
>>>> vars 6
>>>> HGT200mb   0,100,20000   0,3,5 ** 200 mb Geopotential Height [gpm]
>>>> HGT500mb   0,100,50000   0,3,5 ** 500 mb Geopotential Height [gpm]
>>>> UGRD200mb   0,100,20000   0,2,2 ** 200 mb U-Component of Wind [m/s]
>>>> UGRD500mb   0,100,50000   0,2,2 ** 500 mb U-Component of Wind [m/s]
>>>> VGRD200mb   0,100,20000   0,2,3 ** 200 mb V-Component of Wind [m/s]
>>>> VGRD500mb   0,100,50000   0,2,3 ** 500 mb V-Component of Wind [m/s]
>>>> ENDVARS
>>>>
>>>> I have been researching this issue for quite some time and haven't
>>>> found a solution yet, so any help is greatly appreciated!
>>>>
>>>> Charles
>>>> University of Oklahoma
>>>>
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>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>
>>>>
>>>
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