[gradsusr] regrid data

[Arlindo da Silva]

On Wed, Apr 13, 2011 at 2:54 AM, Garut Lama <garutlama at gmail.com> wrote:

> Hello All,
>
> Initially, I went through the same problem as you guys did. If you are
> using version 1.9 of grads migrate to the latest opengrads 2.0.a9.oga.1
> I downloaded the binary version of opengrads 2.0.a9.oga.1  for FC14  and
> what I did to resolve the issue of " 're' not a variable or function name"
> was  to set the environment variables  GA2UDXT and LD_LIBRARY_PATH  to
> point to the right path which depends on your installation such as:
>
> GA2UDXT=/opt/Opengrads/Contents/Linux/Versions/2.0.a9.oga.1/x86_64/gex/udxt
>
> LD_LIBRARY_PATH=/opt/Opengrads/Contents/Linux/Versions/2.0.a9.oga.1/x86_64/gex:$LD_LIBRARY_PATH
>
>
This is only necessary if you did a manual, "classic installation", in which
case you have to set both env variables. If you just untar and put the
Contents/ directory on your path none of this should be necessary.

    Arlindo.


(I am not sure whether the second variable LD_LIBRARY_PATH is necessary?)
>
> Make sure that you put them in your .bashrc or .bash_profile  to make it
> permanent.
>
> Hope this helps and good luck!
>
>
> Garut
>
> From: Arlindo da Silva <dasilva at alum.mit.edu>
>> To: GrADS Users Forum <gradsusr at gradsusr.org>
>> Sent: Tue, 12 Apr 2011 19:54:18 -0400
>>
>> Subject: Re: [gradsusr] regrid data
>>
>> On Tue, Apr 12, 2011 at 3:22 PM, Jackie Yip <zheng.yip at mcgill.ca> wrote:
>>
>> > Hi Subash,
>> >
>> > I also got the error
>> > "Syntax Error:  Invalid Operand 're' not a variable or function name"
>> > even though I used GrADs 2.0.a9.oga.1.
>> >
>> > Is the re function an extra thing one must install like a user define
>> > extension? Or is the re function built-in for GrADs 2.0.a9.oga.1.?
>> >
>> >
>> The extension re() is supposed to be include in all opengrads builds.
>> Which
>> operating system are you using? Please send output of
>>
>> ga-> q config
>> ga-> q udx
>>
>>  Did you do the regular opengrads bundle installation ("untar and go") or
>> did you perform the "classic installation"?
>>
>>   A
>>
>> > Thanks
>> >
>> > Zheng
>> >
>> > On 12 April 2011 14:32, Subash Yeggina <subash.yeggina at gmail.com>
>> wrote:
>> >
>> >> Hi! Ismaila,
>> >>
>> >> You are correct... The regridding seems to be working if it is done
>> just
>> >> after the openning of the file.
>> >>
>> >> I tried doing the regridding after a few operations, and it failed. Not
>> >> sure of the logic behind it..
>> >>
>> >> have you been able to resolve this issue at ur end.
>> >>
>> >> My version of GrADS is *2.0.a9.oga.1.*
>> >>
>> >>
>> >> Thanks,
>> >> Subash
>> >>
>> >>
>> >> 'open rfpt5.ctl'
>> >> 'define newgrid = re(pr,0.25)
>> >>
>> >> On Fri, Apr 8, 2011 at 12:23 AM, Ismaila Diallo <
>> ismailadiallo64 at yahoo.fr
>> >> > wrote:
>> >>
>> >>> Hi subash,
>> >>> i've used the re commend and i get this error :
>> >>>
>> >>> d re(pr,0.5)
>> >>> Syntax Error:  Invalid Operand
>> >>>   're' not a variable or function name
>> >>>   Error ocurred at column 1
>> >>> DISPLAY error:  Invalid expression
>> >>>   Expression = re(pr,0.5)
>> >>>
>> >>> I am using grads1.9
>> >>> Thank in advance
>> >>> ------------------------------
>> >>> *From:* Subash Yeggina <subash.yeggina at gmail.com>
>> >>> *To:* Ismaila Diallo <ismailadiallo64 at yahoo.fr>; GrADS Users Forum <
>> >>> gradsusr at gradsusr.org>
>> >>> *Sent:* Thursday, April 7, 2011 8:10 PM
>> >>> *Subject:* Re: [gradsusr] regrid data
>> >>>
>> >>> Dear Ismaila,
>> >>>
>> >>>
>> >>> I think you can do it by using the *re *command.
>> >>>
>> >>> Ex:
>> >>>
>> >>> define newg=re(<variable>,<resolution>).
>> >>>
>> >>> For more details you can check
>> >>> http://opengrads.org/doc/udxt/re/re.html#required_parameters
>> >>>
>> >>> <http://opengrads.org/doc/udxt/re/re.html#required_parameters>Subash
>> >>>
>> >>> On Thu, Apr 7, 2011 at 10:57 PM, Ismaila Diallo <
>> >>> ismailadiallo64 at yahoo.fr> wrote:
>> >>>
>> >>> dear grads User,
>> >>> i've to netcdf files with different resolution. I use grads1.9 and i
>> went
>> >>> to regrids these data at a same resolution with my grads thus how
>> should i
>> >>> do??
>> >>>
>> >>> Sincerely
>> >>> ismaila
>> >>>
>>
>
>
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>


-- 
Arlindo da Silva
dasilva at alum.mit.edu
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