<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hallo NCL users,</div><div>I am trying to install NCL from a precompiled binary in ubuntu 20.04.</div><div>While testing NCL using the commands below,<!--StartFragment--><pre style="margin: 0px; padding: 0px; line-height: 12pt; border-style: solid; border-width: 0px 0px 15px; border-color: transparent; text-indent: 0px; orphans: 2; text-align: left; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="margin: 0px; padding: 0px; font-size: 13.3333px; line-height: 12pt; font-family: courier; border-style: solid; border-width: 0px 0px 15px; border-color: transparent; text-indent: 0px; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><font face="courier"><span style="font-size: 13.3333px;"> <br> ncl -V
ncl $NCARG_ROOT/lib/ncarg/nclex/gsun/gsun02n.ncl
ncl $NCARG_ROOT/lib/ncarg/nclex/nug/NUG_multi_timeseries.ncl<br><br></span></font><span style="" data-mce-style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><font face="arial, helvetica, sans-serif"><span style="font-size: 12pt;">The first two tests were </span>successful<span style="font-size: 12pt;"> but the 3rd step did not produce a PNG file.<br><br></span></font></span><font face="courier"><span style="font-size: 13.3333px;">ksa@ksawrf:~$ ncl $NCARG_ROOT/lib/ncarg/nclex/nug/NUG_multi_timeseries.ncl
Copyright (C) 1995-2017 - All Rights Reserved
University Corporation for Atmospheric Research
NCAR Command Language Version 6.4.0
The use of this software is governed by a License Agreement.
See http://www.ncl.ucar.edu/ for more details.<br></span></font><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" data-mce-style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><br>I ran the following command to check if the .png file exists and it shows that it exists.</span><font face="courier"><span style="font-size: 13.3333px;"><br></span></font><font face="courier"><span style="font-size: 13.3333px;"><br>ksa@ksawrf:~$ ls -l NUG_multi_timeseries.png
-rw-rw-r-- 1 ksa ksa 174994 Jun 16 08:39 NUG_multi_timeseries.png<br><br><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" data-mce-style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">What could be the problem?<br>Please help...</span><br></span></font><font face="courier"><span style="font-size: 13.3333px;"><br>
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