[ncl-talk] histo_6.ncl produces an error

[Mary Haley]

Hi Dan,

I think this error is coming from having the environment variable
NCARG_COLORMAPS set to a directory that contains files without a "." in
them.

Could you check if you have this environment variable set?  From the UNIX
command line:

printenv NCARG_COLORMAPS

If you do have it set, then as a quick test, you can try unsetting it and
rerunning your script.  You can also try temporarily moving any files that
don't have a "." in them.

If you do have NCARG_COLORMAPS set, we recommend pointing this to a "clean"
directory that contains color map files only. If you have a bunch of other
non colormap files  in the directory, NCL is going to try to read every
file because it doesn't know what is or isn't a potential color map.

As a second test, you can try loading the attached script at the top of
your NCL script, *after* any other "load" commands you have:

load "./get_colormap_names_fix.ncl"

If neither of these fix the problem, please respond back to ncl-talk and
let us know.  Also let us know if you had NCARG_COLORMAPS set.

Thanks,

--Mary


On Mon, Nov 6, 2017 at 3:03 PM, Daniel Adriaansen - NCAR <dadriaan at ucar.edu>
wrote:

> Hello,
>
> I am attempting to run example 6 from the histogram example page
> (histo_6.ncl) but I am receiving errors:
>
>  Copyright (C) 1995-2017 - All Rights Reserved
>  University Corporation for Atmospheric Research
>  NCAR Command Language Version 6.4.0
>  The use of this software is governed by a License Agreement.
>  See http://www.ncl.ucar.edu/ for more details.
> fatal:Subscript out of range, error in subscript #0
> fatal:An error occurred reading tmp_names
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 1251 in
> file /usr/local/ncl_ncarg-6.4.0/lib/ncarg/nclscripts/utilities.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 1275 in
> file /usr/local/ncl_ncarg-6.4.0/lib/ncarg/nclscripts/utilities.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 1314 in
> file /usr/local/ncl_ncarg-6.4.0/lib/ncarg/nclscripts/utilities.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 1721 in
> file /usr/local/ncl_ncarg-6.4.0/lib/ncarg/nclscripts/utilities.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 8240 in
> file /usr/local/ncl_ncarg-6.4.0/lib/ncarg/nclscripts/csm/gsn_code.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 9282 in
> file /usr/local/ncl_ncarg-6.4.0/lib/ncarg/nclscripts/csm/gsn_code.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 50 in
> file ncltest.ncl
>
> Line 50 in the example is the second call to gsn_histogram. Everything
> else references the nclscripts libraries. Could anyone offer any
> suggestions? Thanks!
>
> -Dan
>
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