<div dir="ltr">Geeta,<div><br></div><div>You do realize that a variable in a shell environment is NOT the same as a variable in NCL, right?</div><div><br></div><div>$NCARG_ROOT is exactly as your wrote it in NCL. If you want to retrieve that variable (which is properly set in your shell environment, as you echoed it successfully), you would need something like</div><div><br></div><div>ncarg_root = systemfunc("echo $NCARG_ROOT")</div><div><br></div><div>and then</div><div><br></div><div><span style="color:rgb(0,0,0);font-family:HelveticaNeue,'Helvetica Neue',Helvetica,Arial,'Lucida Grande',sans-serif;font-size:16px">a=addfile(ncarg_root+"/</span><span style="color:rgb(0,0,0);font-family:HelveticaNeue,'Helvetica Neue',Helvetica,Arial,'Lucida Grande',sans-serif;font-size:16px">myscipts_ncl/</span><a href="http://test.nc/" style="font-family:HelveticaNeue,'Helvetica Neue',Helvetica,Arial,'Lucida Grande',sans-serif;font-size:16px" target="_blank">test.nc</a><span style="color:rgb(0,0,0);font-family:HelveticaNeue,'Helvetica Neue',Helvetica,Arial,'Lucida Grande',sans-serif;font-size:16px">","r")</span><br></div><div><br></div><div>inside your script, as this is how NCL references variables. The reference to the shell variable *only* works inside load statements.</div><div><br></div><div>Let the list know if you have other issues on this topic.</div><div><br></div><div>Also, in the future, please try to put a bit more thought into the emails you send to the list. Combining the info from your 3 emails about the same topic into one will make it MUCH, MUCH more likely that you'll get a faster answer and that people will actually read and understand your questions. Sending multiple emails like the three you sent inside just NINE minutes is poor form, as many people will take more time than that to compose their emails to this list.</div><div><br></div><div><br></div><div>Kyle</div><div><br></div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr">----------------------------------------<div>Kyle S. Griffin</div><div>Department of Atmospheric and Oceanic Sciences</div><div>University of Wisconsin - Madison</div><div>Room 1421</div><div>1225 W Dayton St, Madison, WI 53706</div><div>Email: <a href="mailto:ksgriffin2@wisc.edu" target="_blank">ksgriffin2@wisc.edu</a></div></div></div></div>
<br><div class="gmail_quote">On Wed, May 27, 2015 at 1:14 PM, Geeta Geeta <span dir="ltr"><<a href="mailto:geetag54@yahoo.com" target="_blank">geetag54@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"><div dir="ltr">Hi. <br>I have loaded the pre-compiled binaries on Ubuntu by following the procedure on the Web. <br>I could successfully run <br></div><div dir="ltr">ng4ex gsun01n -clean and the window opened with a sinusodial wave plot. <br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">I was trying out a small script and got the following error. <br>;;;;;;Error................................<br><a href="mailto:aditya@agniilap" target="_blank">aditya@agniilap</a>:~/geeta/ncl/myscripts_ncl$ ncl test.ncl<br> Copyright (C) 1995-2014 - All Rights Reserved<br> University Corporation for Atmospheric Research<br> NCAR Command Language Version 6.2.1<br> The use of this software is governed by a License Agreement.<br> See <a href="http://www.ncl.ucar.edu/" target="_blank">http://www.ncl.ucar.edu/ </a>for more details.<br>fatal:["FileSupport.c":3605]:_NclFindFileExt:
Requested file <$NCARG_ROOT/myscipts_ncl/<a href="http://test.nc" target="_blank">test.nc</a>> or
<$NCARG_ROOT/myscipts_ncl/test> does not exist<br><br>fatal:["FileSupport.c":3973]:($NCARG_ROOT/myscipts_ncl/<a href="http://test.nc" target="_blank">test.nc</a>) has no file extension, can't determine type of file to open<br>fatal:file (a) isn't defined<br>fatal:["Execute.c":8578]:Execute: Error occurred at or near line 11 in file test.ncl</div><div dir="ltr"><br></div><div dir="ltr">;;;;;;;;;;;;;;;;;;;;;;All my files exist in the <a href="mailto:Directory..........aditya@agniilap" target="_blank">Directory..........aditya@agniilap</a>:~/geeta/ncl/myscripts_ncl$ ls -l<br>total 182456<br>-rw-rw-r-- 1 aditya aditya 18838952 May 27 22:27 fnl_20150423_12_00.grib2<br>-rw-rw-r-- 1 aditya aditya 83991480 May 27 22:29 <a href="http://fnl_20150423_12_00.nc" target="_blank">fnl_20150423_12_00.nc</a><br>-rw-rw-r-- 1 aditya aditya 83991480 May 27 22:34 <a href="http://test.nc" target="_blank">test.nc</a><br>-rw-rw-r-- 1 aditya aditya 528 May 27 22:44 test.ncl<br><a href="mailto:aditya@agniilap" target="_blank">aditya@agniilap</a>:~/geeta/ncl/myscripts_ncl$ <br></div><div dir="ltr"><br></div><div dir="ltr">;;;;;;;;;;;;;;;;;<a href="http://test.nc" target="_blank">test.nc</a> has valid data;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;</div><div dir="ltr">aditya@agniilap:~/geeta/ncl/myscripts_ncl$ ncdump -h <a href="http://test.nc" target="_blank">test.nc</a> | egrep "HGT_P0_L100"<br> float HGT_P0_L100_GLL0(lv_ISBL0, lat_0, lon_0) ;<br> HGT_P0_L100_GLL0:initial_time = "04/23/2015 (12:00)" ;<br> HGT_P0_L100_GLL0:forecast_time_units = "hours" ;<br> HGT_P0_L100_GLL0:forecast_time = 0 ;<br> HGT_P0_L100_GLL0:level_type = "Isobaric surface (Pa)" ;<br> HGT_P0_L100_GLL0:parameter_template_discipline_category_number = 0, 0, 3, 5 ;<br> HGT_P0_L100_GLL0:parameter_discipline_and_category = "Meteorological products, Mass" ;<br> HGT_P0_L100_GLL0:grid_type = "Latitude/longitude" ;<br> HGT_P0_L100_GLL0:_FillValue = 1.e+20f ;<br> HGT_P0_L100_GLL0:units = "gpm" ;<br> HGT_P0_L100_GLL0:long_name = "Geopotential height" ;<br> HGT_P0_L100_GLL0:production_status = "Operational products" ;<br> HGT_P0_L100_GLL0:center = "US National Weather Service - NCEP (WMC)" ;<br>aditya@agniilap:~/geeta/ncl/myscripts_ncl$ <br><br>;;;;;;;;;;;;Following
is the script;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;</div><div dir="ltr">load
"$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"<br>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"<br>begin<br>a=addfile("$NCARG_ROOT/myscipts_ncl/<a href="http://test.nc" target="_blank">test.nc</a>","r")<br>GPM850=a->HGT_P0_L100_GLL0(20,:,:)<br>printVarSummary(a)<br>wks = gsn_open_wks("png","ce") ; open a png file<br> plot = gsn_csm_contour_map_ce(wks,GPM850,False) ; create a default plot<br>end</div><div dir="ltr"><br></div><div dir="ltr">;;;;;;;;;;;;Environment variable setting</div><div dir="ltr">aditya@agniilap:~/geeta/ncl/myscripts_ncl$ echo $NCARG_ROOT<br>/home/aditya/geeta/ncl<br>aditya@agniilap:~/geeta/ncl/myscripts_ncl$ </div><div dir="ltr"><br></div><div dir="ltr">I am unable to sort out this Error. Pls help. <br><span class="HOEnZb"><font color="#888888"><br></font></span></div><span class="HOEnZb"><font color="#888888"><div><div>Geeta. </div></div></font></span></div></div><br>_______________________________________________<br>
ncl-talk mailing list<br>
List instructions, subscriber options, unsubscribe:<br>
<a href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk" target="_blank">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a><br>
<br></blockquote></div><br></div>