<div dir="ltr">Hi Barry,<div><br></div><div>Barry, in your case, the error is telling you exactly what the deal is...left-hand-side and right-hand-side of the assignment are of incompatible types. Specifically, the call to addfiles() at line 54 returns a variable of type FileVariable. However, previously you had set the type of the variable "filename" as a string, at around line 19. NCL is strongly typed -- you don't have to declare the type of a variable in advance, but once fixed (in both data-type and array shape), it sticks, unless you do one of two things: i) use the delete statement, ex: delete(filename) in your case, or ii) use the reassignment operator ":=", ex, filename := addfile(....)</div><div><br></div><div>Mohammad, you seemingly had two questions, the second of which I never really understood (about looping over the lat/lon values). For the first one, regarding multiple directories, it looks like there's a missing "/" between the directory pathname and the wrf filenames. Also, I don't believe addfiles takes a a wildcard pathname, but rather an array of filenames that may be relative or absolute pathnames. Dennis's script shows how to do that, but NOTE, there may be missing a "/" between the parent directory and the "runXXX" directories. You'll want to look carefully at the constructed filenames.</div><div><br></div><div>Hope that helps...</div><div>Rick</div><div><br></div><div><span style="font-family:menlo;font-size:14px;background-color:rgb(254,250,207)"><br></span></div><div><span style="font-family:menlo;font-size:14px;background-color:rgb(254,250,207)"><br></span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 26, 2016 at 1:23 AM, Muhammad Omer Mughal <span dir="ltr"><<a href="mailto:m.mughal1@postgrad.curtin.edu.au" target="_blank">m.mughal1@postgrad.curtin.edu.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p>Hi Bary </p>
<p><br>
</p>
<p>I am in the same sort of problem. I told you before when I try to run the attached script, it is unable to find wrfout_d04 files in all folders </p>
<p>run6</p>
<p>run7</p>
<p>run 8 and</p>
<p>run9 </p>
<p><br>
</p>
<p>I tried to be as clear as possible in NCL help but I may not have explained properly. If you understand my problem please reply me. I see the following errors when I run the script.</p>
<p><br>
</p>
<p><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Variable: dirWRF</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Type: string</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Total Size: 32 bytes</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px"> 4 values</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Number of Dimensions: 1</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Dimensions and sizes: [4]</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Coordinates: </span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">(0) /media/mughal/Seagate/ECMWF_</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">WR<wbr>F_RUNS2/run6</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">(1) /media/mughal/Seagate/ECMWF_</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">WR<wbr>F_RUNS2/run7</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">(2) /media/mughal/Seagate/ECMWF_</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">WR<wbr>F_RUNS2/run8</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">(3) /media/mughal/Seagate/ECMWF_</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">WR<wbr>F_RUNS2/run9</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">fatal:["FileSupport.c":2859]:_</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px"><wbr>NclVerifyFile:
Requested file </media/mughal/Seagate/ECMWF_</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">W<wbr>RF_RUNS2/run6wrfout_d04*> or
</media/mughal/Seagate/ECMWF_</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">W<wbr>RF_RUNS2/run6wrfout_d> does not exist</span><br>
</p>
<p><br>
</p>
<p>Even when I change the script wrf_script_r4 to wrf_script_r5 recommended by Dennis I still am not able to solve the problem. I would appreciate if you would be able to help me out</p>
<p><br>
</p>
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<font face="Times New Roman,serif" size="3"><span style="font-size:12pt"><font face="Arial Bold" size="2" color="#1F497D"><span style="font-size:11pt">Muhammad Omer Mughal</span></font></span></font></div>
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<div id="m_-1365830910131879300divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> <a href="mailto:ncl-talk-bounces@ucar.edu" target="_blank">ncl-talk-bounces@ucar.edu</a> <<a href="mailto:ncl-talk-bounces@ucar.edu" target="_blank">ncl-talk-bounces@ucar.edu</a>> on behalf of Barry Lynn <<a href="mailto:barry.h.lynn@gmail.com" target="_blank">barry.h.lynn@gmail.com</a>><br>
<b>Sent:</b> Wednesday, 26 October 2016 2:48:25 PM<br>
<b>To:</b> <a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a><br>
<b>Subject:</b> [ncl-talk] Defining directories</font>
<div> </div>
</div><div><div class="h5">
<div>
<div dir="ltr">Hi:
<div><br>
</div>
<div>I'd like to define multiple directories. I assume that I am almost "there.<br>
<div><br>
</div>
<div>I am getting an error I don't understand.</div>
<div><br>
</div>
<div>
<div>
<div>(0)<span class="m_-1365830910131879300gmail-Apple-tab-span" style="white-space:pre-wrap"> </span>dirWRF(n) = /data1/wrf/01_23_2016/GEFS/<wbr>GEFS_00</div>
<div>fatal:["NclVar.c":1390]:<wbr>Assignment type mismatch, right hand side can't be coerced to type of left hand side</div>
<div>fatal:["Execute.c":8578]:<wbr>Execute: Error occurred at or near line 54 in file define_dir.ncl</div>
</div>
<div><br>
</div>
<div>I know that this file exists.</div>
<div><br>
</div>
<div>/data1/wrf/01_23_2016/GEFS/<wbr>GEFS_00/wrfout_d02_2016-01-23_<wbr>00:00:00<br>
</div>
<div><br>
</div>
<div>But, I cannot execute the line (see error above):</div>
<div><br>
</div>
<div>filename = addfiles(dirWRF(n)+"/"+"<wbr>wrfout_d02_2016-01-23_00:00:<wbr>00", "r")<br>
</div>
<div><br>
</div>
<div>Thank you.</div>
<div><br>
</div>
<div><br>
</div>
-- <br>
<div class="m_-1365830910131879300gmail_signature">
<div dir="ltr">Barry H. Lynn, Ph.D
<div>
<div>Senior Lecturer,</div>
<div>
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