[ncl-talk] Fw: plot error

[Toni Klemm]

Elham,

You’re referencing the attribute “units”, not “long_name”:

> res at gsnRightString=data_hdf4 at units


But apparently your variable doesn’t have a “units” attribute. That’s what the error is saying:

> warning:Attempt to reference attribute (units) which is undefined

Try changing it to:

> res at gsnRightString=data_hdf4 at long_name


Depending on what you’re trying to reference, you also write it in you script manually:

> res at gsnRightString=“XYZ”



I hope that helps!

Toni


Toni Klemm, Ph.D.
Postdoctoral Research Associate
Department of Ecosystem Science and Management
College of Agriculture and Life Sciences
Texas A&M University, College Station, TX
Contributor to the Early Career Climate Forum
www.toni-klemm.de | @toniklemm


> On Sep 13, 2018, at 3:03 AM, Elham Ghasemifar <elham.ghasemifar at modares.ac.ir> wrote:
> 
> 
> 
> 
> From: Elham Ghasemifar
> Sent: Thursday, September 13, 2018 12:33 PM
> To: ncl-talk at ucar.edu
> Subject:
>  
> Dear colleges
> 
> hello
> 
> i dont know why the error has occured, because i defined the long-name , could you please help me?
> 
> 
> res at gsnRightString=data_hdf4 at units                               
> warning:Attempt to reference attribute (units) which is undefined
>  res at sfXArray   = conform(data_plt, time, 1)
> res at sfYArray   = lev(nbin_2B_GEOPROF|:,nray_2B_GEOPROF|:)
>  res at trGridType = "Triangularmesh"
>  plot=gsn_csm_contour(xwks, data_plt, res)
> warning:ContourPlotInitialize: no valid values in scalar field; ContourPlot not possible:[errno=1101]
> stop record
> quit
> 
> 
> 
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