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<p style="margin-top:0;margin-bottom:0">Hi Rick</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">Thank you for the reply. </p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">Yes , I want to write rh2 to the ascii format. The size of the rh2 in this particular case is [Time|673]*[south_north|81]*[west_east|72]. I want to save the file in the format so that it would have 72 rows and 54513 columns
i.e. (673*81) for a particular code to read it.</p>
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<p style="margin-top:0;margin-bottom:0">Regards </p>
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<p style="margin-top:0;margin-bottom:0">Omer</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Rick Brownrigg <brownrig@ucar.edu><br>
<b>Sent:</b> Thursday, 3 January 2019 10:59:30 AM<br>
<b>To:</b> Muhammad Omer Mughal<br>
<b>Cc:</b> ncl-talk@ucar.edu<br>
<b>Subject:</b> Re: [ncl-talk] Extracting all values of rh2 from WRF file and writing it to csv file</font>
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<div>HI, <br>
</div>
<div><br>
</div>
<div>That error message makes sense, since in a WRF file, the variables XLAT and XLONG are 2D (curvilinear).</div>
<div><br>
</div>
<div>I guess I'm confused as to what you are trying to do. If you just simply want the variable "rh2" written to an ascii file, instead of this:</div>
<div><br>
</div>
<div> allRH = rh2(:, lon, lat)<br>
asciiwrite("rh2.csv",allRH)</div>
<div><br>
</div>
<div>what about just:</div>
<div><br>
</div>
<div> asciiwrite("rh2.csv",rh2)</div>
<div><br>
</div>
<div>A simple experiment revealed that this will write the 3D array, 1 value per line, in "row major" format. This means to read such a file later, you must have some way of knowing the shape and dimensionality.</div>
<div><br>
</div>
<div>Hope that helps....</div>
<div>Rick<br>
</div>
<div><br>
</div>
</div>
<br>
<div class="x_gmail_quote">
<div dir="ltr">On Wed, Jan 2, 2019 at 7:42 PM Muhammad Omer Mughal <<a href="mailto:m.mughal1@graduate.curtin.edu.au">m.mughal1@graduate.curtin.edu.au</a>> wrote:<br>
</div>
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<p style="margin-top:0px; margin-bottom:0px">Dear Rick <br>
</p>
<p style="margin-top:0px; margin-bottom:0px">Thanks for the reply. I changed the script to remove the <span>SEGV</span> error but now I am getting the following error messages</p>
<p style="margin-top:0px; margin-bottom:0px"><br>
</p>
<p style="margin-top:0px; margin-bottom:0px"></p>
<div><br>
</div>
Please see the script below
<p></p>
<p style="margin-top:0px; margin-bottom:0px"></p>
<div><br>
</div>
<div>a=addfile("wrfout_d03_2017-02-01_00:00:<a href="http://00.nc" target="_blank">00.nc</a>","r")<br>
<br>
rh2 = wrf_user_getvar(a,"rh2",-1)<br>
<br>
lat=wrf_user_getvar(a,"XLAT",-1)<br>
lon=wrf_user_getvar(a,"XLONG",-1)<br>
<br>
</div>
<div> <br>
allRH = rh2(:, lon, lat)<br>
<br>
asciiwrite("rh2.csv",allRH)<br>
<br>
</div>
<div>
<div>fatal:Illegal subscript. Subscripts must be scalar or one dimensional vectors<br>
<br>
</div>
<br>
</div>
<br>
<p></p>
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<div id="x_gmail-m_5866577475384675935divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Rick Brownrigg <<a href="mailto:brownrig@ucar.edu" target="_blank">brownrig@ucar.edu</a>><br>
<b>Sent:</b> Wednesday, 2 January 2019 10:18:33 PM<br>
<b>To:</b> Muhammad Omer Mughal<br>
<b>Cc:</b> <a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a><br>
<b>Subject:</b> Re: [ncl-talk] Extracting all values of rh2 from WRF file and writing it to csv file</font>
<div> </div>
</div>
<div>
<div dir="ltr">
<div>Hi,</div>
<div><br>
</div>
<div>Can you share your script and dataset with me? I would like to investigate why there's a SEGV.</div>
<div><br>
</div>
<div>Rick</div>
<div><br>
</div>
</div>
<br>
<div class="x_gmail-m_5866577475384675935x_gmail_quote">
<div dir="ltr">On Wed, Jan 2, 2019 at 4:49 AM Muhammad Omer Mughal <<a href="mailto:m.mughal1@graduate.curtin.edu.au" target="_blank">m.mughal1@graduate.curtin.edu.au</a>> wrote:<br>
</div>
<blockquote class="x_gmail-m_5866577475384675935x_gmail_quote" style="margin:0px 0px 0px 0.8ex; border-left:1px solid rgb(204,204,204); padding-left:1ex">
<div>Dear NCL team<br>
<br>
Is there a way to extract all values from WRF output files from all grind points and write to an ascii file.<br>
In my case grid size is 71x82 and the number of times is 673. I tried to write using a table format but I am getting a segmentation fault.<br>
<br>
I will appreciate help. Kindly note that I have used Lambert conformal projection method.
<br>
<br>
Regards<br>
<br>
<br>
<br>
Muhammad Omer Mughal<br>
MSc BSc Mechanical Engineering<br>
PhD Research Scholar<br>
Remote Sensing and Satellite Research Group<br>
Department of Imaging and Applied Physics<br>
Curtin University<br>
<br>
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