<div dir="ltr"><div class="gmail_default" style="font-size:small">When you say you are able to read the file with Matlab, are you running Matlab from the same system that you are running NCL from, and are you pointing at the *exact same file in the same directory* as Matlab?</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">The reason I ask is because it looks like there's an issue with the file, and not with NCL. Maybe something happened to the file if you transferred it to another system.</div><div class="gmail_default" style="font-size:small"><br></div>I just downloaded the precip.mon.total.v<div class="gmail_default" style="font-size:small;display:inline">6</div><div class="gmail_default" style="font-size:small;display:inline">.nc file using the URL that Dennis provided, and modified your "spi.ncl" script to use this instead of the v6 file. I then loaded NCL 6.3.0 on my system and ran your script. Please see the resultant <a href="http://spi.ps" target="_blank">spi.ps</a> file, which looks good to me.</div><div><div class="gmail_default" style="font-size:small;display:inline"><br></div></div>Also, when you ran the "ncdump" command that Krishnamoorthy<div class="gmail_default" style="font-size:small;display:inline"> </div>recommended<div class="gmail_default" style="font-size:small;display:inline">, was this also on the exact same file in the same directory? It's highly unlikely that NCL would have trouble with a standard NetCDF file, so that's we are trying to determine why these other tools seem to work on it, but not NCL.</div><div><div class="gmail_default" style="font-size:small;display:inline"><br></div></div><div><div class="gmail_default" style="font-size:small;display:inline">As a final test, please type all of the following commands and email them back to <a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>:</div></div><div><div class="gmail_default" style="display:inline"><p class="gmail-m_-1427657868134599094gmail-p1"><font face="monospace, monospace">ls -l <a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a><br>file ls -l <a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a><br>ncdump -k <a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a></font></p><p class="gmail-m_-1427657868134599094gmail-p1">Here's what my system reports when I type these commands. </p><p class="gmail-m_-1427657868134599094gmail-p1"><font face="monospace, monospace">% ls -l <a href="http://precip.mon.total.v6.nc">precip.mon.total.v6.nc</a> <br>-rw-r--r--@ 1 haley CIT\Domain Users 1368593392 Aug 30 09:15 <a href="http://precip.mon.total.v6.nc">precip.mon.total.v6.nc</a></font></p><font face="monospace, monospace">% file <a href="http://precip.mon.total.v6.nc">precip.mon.total.v6.nc</a> <br><a href="http://precip.mon.total.v6.nc">precip.mon.total.v6.nc</a>: NetCDF Data Format data<br><br>% ncdump -k <a href="http://precip.mon.total.v6.nc">precip.mon.total.v6.nc</a> <br>classic</font><br><br><p class="gmail-m_-1427657868134599094gmail-p1">I need to see what your system reports on these same commands.</p><p class="gmail-m_-1427657868134599094gmail-p1">I guess one possibility is that you have an NCL that is just not working on your system for some reason. This could happen if there's incompatibility between the binary you downloaded, and the system you are running on.</p><p class="gmail-m_-1427657868134599094gmail-p1">To make sure that your version of NCL works with NetCDF files on your system, please type the following from the UNIX command line:</p><p class="gmail-m_-1427657868134599094gmail-p1"><font face="monospace, monospace">ng4ex cn05n -W x11 -clean<br></font></p><p class="gmail-m_-1427657868134599094gmail-p1">This should run an NCL script called "cn05n.ncl", which reads a NetCDF file that's included with the NCL distribution. It will pop up an X11 window with a filled contour plot. Click on this window with your left mouse button three times, and you will see two other similar plots, and then NCL will exit.</p><p class="gmail-m_-1427657868134599094gmail-p1">--Mary<br></p></div></div><div><div class="gmail_default" style="font-size:small;display:inline"></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 30, 2017 at 8:45 AM, Setareh Rahimi <span dir="ltr"><<a href="mailto:setareh.rahimi@gmail.com" target="_blank">setareh.rahimi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">So what is the problem? , I do know there is no problem whit the file. <div><br></div><div>May I ask you please run the script and check if that works correctly?<div><br></div><div>Regards,</div></div></div><div class="gmail_extra"><div><div class="h5"><br><div class="gmail_quote">On Wed, Aug 30, 2017 at 5:59 PM, Dennis Shea <span dir="ltr"><<a href="mailto:shea@ucar.edu" target="_blank">shea@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>I have both v6 and v7 from:<br> <a href="https://www.esrl.noaa.gov/psd/data/gridded/data.gpcc.html" target="_blank">https://www.esrl.noaa.gov/psd/<wbr>data/gridded/data.gpcc.html</a><br><br></div>%> cd DATA/PRECIP/GPCC<div>%> ls -l precip.mon.total.v[6-7].nc<br><br>-rw-r--r-- 1 shea cgdcas 1368593336 2014 <a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a><br>-rw-r--r-- 1 shea cgdcas 348532141 2017 <a href="http://precip.mon.total.v7.nc" target="_blank">precip.mon.total.v7.nc</a><br><br></div><div>See the above URL for descriptions.<br></div><div>===<br><br></div><div>%> ncl_filedump <a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a><br><br></div><div>and<br><br>%> ncl_filedump <a href="http://precip.mon.total.v7.nc" target="_blank">precip.mon.total.v7.nc</a><br><br></div><div>both work fine.<br><br>====<br></div><div>I thought that you have a permissions problem.<br></div><div>However, if Matlab reads the file and NCL does not then that is not the case.<br></div><div><br></div><div><br></div></div><div class="m_-1537981448840596617HOEnZb"><div class="m_-1537981448840596617h5"><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 30, 2017 at 3:29 AM, Setareh Rahimi <span dir="ltr"><<a href="mailto:setareh.rahimi@gmail.com" target="_blank">setareh.rahimi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">It dose exist as precip, I also checked this in Matlab and foud out it is as precip( see attached files please), I have done with this file some plots before, it worked about a few months ago, but wonder what happened currently?!!!! <div><br></div><div>Thank you<br></div></div><div class="gmail_extra"><div><div class="m_-1537981448840596617m_-4390773286859853606h5"><br><div class="gmail_quote">On Wed, Aug 30, 2017 at 1:18 PM, Krishnamoorthy Chandramouli <span dir="ltr"><<a href="mailto:chandrakrishna.90@gmail.com" target="_blank">chandrakrishna.90@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Try checking if the variable actually exist as precip in the nc file<br></div>ncdump -v precip [your-nc-file]<br></div><div><br></div><div>Also if possible share the file, so that someone will try and help.</div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><b>Regards,</b><br></div><i>Krishnamoorthy Chandramouli</i><br></div></div></div><div><div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437h5">
<br><div class="gmail_quote">On Wed, Aug 30, 2017 at 3:39 PM, Setareh Rahimi <span dir="ltr"><<a href="mailto:setareh.rahimi@gmail.com" target="_blank">setareh.rahimi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Dear all,<div><br></div><div>Please have a look at the attached file, which is a screenshot of ncl_filedump command .</div><div><br></div><div>what is your idea? </div><div><br></div><div>Best wishes,</div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 30, 2017 at 2:24 AM, Mary Haley <span dir="ltr"><<a href="mailto:haley@ucar.edu" target="_blank">haley@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-size:small">As another test, please see if you can look at the file using "ncl_filedump" from the UNIX command line. But, first make sure you have the file correctly spelled:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">ls <a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a></div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">then:</div><div class="gmail_default" style="font-size:small"><br></div>ncl_filedump <a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a><div><br></div><div><div class="gmail_default" style="font-size:small">This is the same thing as the 2-line script that Dennis asked you to try. If this works, then you can also verify at the same time if "precip" is a variable in that file.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">If you get any errors from the ncl_filedump command, respond back to ncl-talk with all of the error messages included.</div><span class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344HOEnZb"><font color="#888888"><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">--Mary</div><div class="gmail_default" style="font-size:small"><br></div><br></font></span></div></div><div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344HOEnZb"><div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344h5"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 29, 2017 at 11:45 AM, Dennis Shea <span dir="ltr"><<a href="mailto:shea@ucar.edu" target="_blank">shea@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Hello ... Please respond to ncl-talk and not directly to me.<br><br></div><div>Your script has:<br><br> <b>f </b> = addfile("<a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.n<wbr>c</a>","r")<br> prc =<b> f</b>->precip({tStrt:tLast},:,:) <wbr> ; whole grid <br><br></div><div>The error message is:<br><br>fatal: file (<b>f</b>) isn't defined<br><br></div><div>I am not sure what the problem would be. Someone else will have to respond.<br></div><div><br>---<br>What does the following yoeld? Likely the same error.<br><br> <b>f </b> = addfile("<a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.n<wbr>c</a>","r")<br></div><div> print(<b>f</b>)<br></div><div><br>==============================<wbr>=======================<br></div>NOTE: <br>You do <b>not</b> have to load the following libraries from NCL 6.2.0 onward. So for 6.3.0, they are <b>automatically loaded.</b><br><br>load"$NCARG_ROOT/lib/ncarg/ncl<wbr>scripts/csm/gsn_code.ncl"<br>load"$NCARG_ROOT/lib/ncarg/ncl<wbr>scripts/csm/gsn_csm.ncl"<br>load"$NCARG_ROOT/lib/ncarg/ncl<wbr>scripts/csm/contributed.ncl"<br><br></div>From 6.4.0, the following are automatically loaded:<br><br><pre> "$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/csm/gsn_code.ncl"
"$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/csm/gsn_csm.ncl"
"$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/csm/contributed.ncl"
"$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/csm/shea_util.ncl"
"$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/csm/bootstrap.ncl"
"$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/csm/extval.ncl"
"$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/wrf/WRFUserARW.ncl"</pre></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 29, 2017 at 9:27 AM, Setareh Rahimi <span dir="ltr"><<a href="mailto:setareh.rahimi@gmail.com" target="_blank">setareh.rahimi@gmail.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 dir="auto">dear Dennis,</div><div dir="auto"><br></div><div dir="auto">Thank you for your advice, but both data file and script are in the same directory. </div><div dir="auto"><br></div><div dir="auto">Regards,</div><div><div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262h5"><div><div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046h5"><br><div class="gmail_quote"><div>On Tue 29 Aug 2017 at 19:12, Dennis Shea <<a href="mailto:shea@ucar.edu" target="_blank">shea@ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div><div><div><div>By default, NCL always looks in the 'current directory'.<br>My guess is that the data file is not in the same directory as the NCL script.<br><br></div><div>dirp = "/some/path/to/file/"<br></div>filp = "<a href="http://precip.mon.total.v6.nc" target="_blank">precip.mon.total.v6.nc</a>"<br><br></div>pthp = dirp + filp<br></div>f = addfile(pthp, "r")<br><br></div>or<br><br></div>f = addfile(dirp + filp, "r")<br><div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote"></div></div><div class="gmail_extra"><div class="gmail_quote">On Tue, Aug 29, 2017 at 8:26 AM, Setareh Rahimi <span><<a href="mailto:setareh.rahimi@gmail.com" target="_blank">setareh.rahimi@gmail.com</a>></span> wrote:<br></div></div><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><span style="font-size:12.8px">Dear all,</span><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Once I put my NCL command line in NCL environment, it returns me an error.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"> Please have a look at the attached files, which contain a screenshot of the error and my script.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Please help me as soon as possible.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Best wishes,<div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046m_-4742645774607655313m_6155674948620778491m_8269151543085856917gmail-yj6qo m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046m_-4742645774607655313m_6155674948620778491m_8269151543085856917gmail-ajU"><div id="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046m_-4742645774607655313m_6155674948620778491m_8269151543085856917gmail-:1x3" class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046m_-4742645774607655313m_6155674948620778491m_8269151543085856917gmail-ajR"><img class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046m_-4742645774607655313m_6155674948620778491m_8269151543085856917gmail-ajT" src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif"></div></div></div></div><span class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046m_-4742645774607655313m_6155674948620778491HOEnZb"><font color="#888888">-- <br><div class="m_-1537981448840596617m_-4390773286859853606m_2597295351517807437m_8479380407636172422m_7046706867288907992m_329860026786350344m_-4262818475712755262m_-7350975473689884046m_-4742645774607655313m_6155674948620778491m_8269151543085856917gmail_signature">S.Rahimi<br><br></div>
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</div></div></blockquote></div><br><br clear="all"><div><br></div></div></div><span class="HOEnZb"><font color="#888888">-- <br><div class="m_-1537981448840596617gmail_signature" data-smartmail="gmail_signature">S.Rahimi<br><br></div>
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