Re: Check the existence of coordinate variable for a dimension in a variable

Thank you Andrea.

It is working

if(.not.iscoord(data,"time"))
  print("Enter the file-variable representing time : ")
  data&time = file1[:]->$systemfunc("read var; echo $var")$
end if

Thank you very much.

On 7 February 2011 15:41, Andrea Hahmann <ahah@risoe.dtu.dk> wrote:

> Dear Gibies
>
> Have you tried the function “iscoord”?
> http://ncl.ucar.edu/Document/Functions/Built-in/iscoord.shtml
> I think it should do what you want.
>
> Good luck
> Andrea
> --
>
> *Andrea N. Hahmann
> *Senior Scientist
> Wind Energy Division
> Risø DTU
>
> *Technical University of Denmark
> *Risø National Laboratory for Sustainable Energy
> Frederikborgvej 399, P.O. Box 49
> 4000 Roskilde, Denmark
>
> Direct +45 4677 5471
> Mobil: +45 2133 0550
> ahah@risoe.dtu.dk
> www.risoe.dtu.dk
>
>
>
> ------------------------------
> *From: *gibies george <gibies@tropmet.res.in>
> *Reply-To: *<gibiesgeorge@gmail.com>
> *Date: *Mon, 07 Feb 2011 15:20:36 +0530
> *To: *<ncl-talk@ucar.edu>
> *Subject: *[ncl-talk] Check the existence of coordinate variable for a
> dimension in a variable
>
>
> I would like to know about a way to check the existence of coordinate
> variable for a dimension in a variable.
>
> I tried this way.
>
> ..............................
> .............................
> if(.not.isdefined(data&time))
> print("Enter the file-variable representing time : ")
> data&time = file1[:]->$systemfunc("read var; echo $var")$
> end if
> ............................
> .........................
> My plan is to assign coordinate variable only if it is not already
> assigned.
> But it end up with an error message :
>
> fatal:No coordinate variable exists for dimension (time) in variable (data)
>
> Error is pointed at :
>
> *if(.not.isdefined(data&time))
> *
> The script is working if I remove the conditional statement.
>
> How can I do it in a better way ?
>
>
>
> --
> *Gibies George, CSIR-RF,
> Climate and Global Modelling Division,
> Indian Institute of Tropical Meteorology,
> Dr. Homi Bhabha Road,
> NCL (P. O.), Pashan,
> Pune 411008, India.
> *
> *http://sites.google.com/site/gibiesge/
> *
> Think about the environment. Save paper; Save Trees. Please don't print
> this e-mail unless it is necessary.
>
> ------------------------------
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-- 
*Gibies George,   CSIR-RF,
Climate and Global Modelling Division,
Indian Institute of Tropical Meteorology,
Dr. Homi Bhabha Road,
NCL (P. O.), Pashan,
Pune 411008, India.*
*http://sites.google.com/site/gibiesge/*
Think about the environment. Save paper; Save Trees. Please don't print this
e-mail unless it is necessary.

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Received on Mon Feb 7 04:44:53 2011