[gradsusr] mysterious scripting error

[Jeff Duda]

Gary,
I decided to use the valnum() function to see what was going on. It
confirmed that the values I was assigning to CpT.xx were not considered
integers. I figured that might have been the result of using 'set gxout
print' to obtain the values. While it doesn't make sense that the gxout
setting should make the difference, I nonetheless tried using a different
gxout setting and fixed the time so that displaying the field would still
give me a printed value. For whatever reason, that worked. Seems really
picky of the language, but I guess that's what you have to do.

Thanks for your guidance, sir. Helps to have someone to bounce ideas off of.

Jeff

On Thu, Dec 29, 2016 at 2:19 PM, Love, Mr. Gary, Contractor, Code 7542 <
gary.love.ctr at nrlmry.navy.mil> wrote:

> Jeff,
>
>
>
> I’m running version 2.1.a2 on Linux we compiled here at NRL.  Here are the
> stats:
>
> grads: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically
> linked (uses shared libs), for GNU/Linux 2.6.18, not stripped
>
>
>
> I’d try another version of Grads, especially v1.9 since I have encountered
> bugs in v2.1.a2.  Grads creates link lists of variables when they are
> subscripted, i.e., CpT.nt.  There may be a problem following the links and
> retrieving the value.
>
>
>
> Gary
>
>
>
> *From:* gradsusr-bounces at gradsusr.org [mailto:gradsusr-bounces@
> gradsusr.org] *On Behalf Of *Jeff Duda
> *Sent:* Thursday, December 29, 2016 11:52 AM
> *To:* GrADS Users Forum
> *Subject:* Re: [gradsusr] mysterious scripting error
>
>
>
> Gary,
>
> Thanks for your reply.
>
> Yes, it is my own personal script. Here is the code for assigning the
> arrays:
>
> 'set gxout print'
> 'set prnopts %g 1'
> 'd 2.5e6*qvapor'
> tt = 1
> while (tt <= nt)
>  lvq.tt = sublin(result,blank_lines+tt)
>
>  say tt" "lvq.tt" "nt
>
>  tt = tt + 1
> endwhile
> 'd 1005*(t+300)'
> tt = 1
> while (tt <= nt)
>  CpT.tt = sublin(result,blank_lines+tt)
>
>  say tt" "CpT.tt" "nt
>
>  tt = tt + 1
> endwhile
>
> Output from this portion is shown as:
>
> 1 43504.7  13
> 2 43400.9  13
> 3 44271.9  13
> 4 42382.9  13
> 5 42426  13
> 6 40946.4  13
> 7 37313.4  13
> 8 32887.1  13
> 9 30245.9  13
> 10 30008.8  13
> 11 28724.1  13
> 12 29439.1  13
> 13 28436.3  13
> 1 302984  13
> 2 303499  13
> 3 304544  13
> 4 306799  13
> 5 307953  13
> 6 309824  13
> 7 311769  13
> 8 313546  13
> 9 314621  13
> 10 315541  13
> 11 316056  13
> 12 316285  13
> 13 316526  13
>
> so in this script instance, nt is set to 13 (and I checked the code to
> make sure nt doesn't get changed later on in the script, and it doesn't),
> and CpT.nt = CpT.13 = 316526. I added
>
> say CpT.nt
>
> just before the code line where the crash is occurring. It prints
> accurately. However, the very next line...Grads just doesn't like it.
>
> I'm running the pre-compiled version 2.1.a3 on Linux. Not sure if it's the
> CentOS5.9 or the i686 compilation, though.
>
> Jeff
>
>
>
> On Thu, Dec 29, 2016 at 1:35 PM, Love, Mr. Gary, Contractor, Code 7542 <
> gary.love.ctr at nrlmry.navy.mil> wrote:
>
> Hi Jeff,
>
>
>
> Your script must be local to you. I could not find it at
> ftp://cola.gmu.edu/grads/scripts/
>
>
>
> Anyway I made a simple test script shown below that works fine, so there
> must be an assignment problem in you script probably with CpT.1 or CpT.nt.
>
>
>
> function main()
>
> nt=10
>
> CpT.1=302984
>
> CpT.nt=316526
>
> a=CpT.1
>
> b=CpT.nt
>
> say a
>
> say b
>
> deltatheta=b-a
>
> say deltatheta
>
> return
>
>
>
> Gary
>
>
>
> *From:* gradsusr-bounces at gradsusr.org [mailto:gradsusr-bounces@
> gradsusr.org] *On Behalf Of *Jeff Duda
> *Sent:* Thursday, December 29, 2016 10:55 AM
> *To:* GrADS Users Forum
> *Subject:* [gradsusr] mysterious scripting error
>
>
>
> I have this snippet of code:
>
> a = CpT.1
> b = CpT.nt
> say a
> say b
> *deltatheta = b-a*
> say deltatheta
>
> where CpT.1 and CpT.nt have been previously defined.  When I run the
> script, I get this output
>
> 302984
> 316526
> Non-numeric args to numeric operation
>   Error occurred on line 62
>   In file mixing_diagram.gs
>
> Line 62 is underlined and in bold in the code above. Why is this error
> occurring?
>
> Jeff Duda
>
>
> --
>
> Jeff Duda
> Post-doctoral research fellow
> University of Oklahoma School of Meteorology
>
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
>
>
>
> --
>
> Jeff Duda
> Post-doctoral research fellow
> University of Oklahoma School of Meteorology
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
>


-- 
Jeff Duda
Post-doctoral research fellow
University of Oklahoma School of Meteorology
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://gradsusr.org/pipermail/gradsusr/attachments/20161229/a4da00c8/attachment-0001.html