[ncl-talk] Segmentation fault when reading variables from NC

[Dennis Shea]

I don't understand why either.  6.1.2 is no longer available here so I can
not test with 6.1.2

When it does work ... what does printVarSummary(lon2d) indicate?

On Mon, Mar 23, 2015 at 2:47 AM, ChenFeng <fengfengabc003 at 163.com> wrote:

>  Hi ncl-users,
>
> I have encounted an error when reading a variable from an NC file.
> the code is listed below:
> ;************************************************
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> ;************************************************
> begin
>   inp0 = addfile("/public/home/chenf/AHWRF/TEST/WPSwks.T02/geo_em.d01.nc
> ","r")
>   lon2d = inp0->XLONG_M (Time|0, south_north|:, west_east|:)
>   printVarSummary(lon2d)
> ;************************************************
> end
>
> the error message is:
>  Copyright (C) 1995-2013 - All Rights Reserved
>  University Corporation for Atmospheric Research
>  NCAR Command Language Version 6.1.2
>  The use of this software is governed by a License Agreement.
>  See http://www.ncl.ucar.edu/ for more details.
> Segmentation fault (core dumped)
>
>
> The strange thing is when i'm reading the variable without any dimention name cited, the error disappeared.
> The code changes into :
> ;************************************************
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> ;************************************************
> begin
>   inp0 = addfile("/public/home/chenf/AHWRF/TEST/WPSwks.T02/geo_em.d01.nc
> ","r")
>   lon2d = inp0->XLONG_M
>   printVarSummary(lon2d)
> ;************************************************
> end
>
> I don't understand why. It is very appreciate if anybody can tell me the
> reason.
> Thanks.
>
> Feng
>
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