<div dir="ltr"><div class="gmail_default"><font face="arial, helvetica, sans-serif">Muhammad,</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">Something is not right with data2.</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">In order to correctly mask curvilinear data, your lat/lon arrays must be the same size as your data. </font><span style="font-family:arial,helvetica,sans-serif">If you look at the output from data2:</span></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><div class="gmail_default"><font face="monospace, monospace">Variable: data2</font></div><div class="gmail_default"><font face="monospace, monospace">Type: float</font></div><div class="gmail_default"><font face="monospace, monospace">Total Size: 108360 bytes</font></div><div class="gmail_default"><font face="monospace, monospace">27090 values</font></div><div class="gmail_default"><font face="monospace, monospace">Number of Dimensions: 2</font></div><div class="gmail_default"><font face="monospace, monospace">Dimensions and sizes: [y | 129] x [x | 210]</font></div><div class="gmail_default"><font face="monospace, monospace">Coordinates:</font></div><div class="gmail_default"><font face="monospace, monospace">Number Of Attributes: 9</font></div><div class="gmail_default"><font face="monospace, monospace">lon2d : <ARRAY of 210 elements></font></div><div class="gmail_default"><font face="monospace, monospace">lat2d : <ARRAY of 210 elements></font></div><div class="gmail_default"><font face="monospace, monospace">stagger :</font></div><div class="gmail_default"><font face="monospace, monospace">description : TEMP at 2 M</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">The data2 variable is 129 x 210, but the lat2d and lon2d are each 1D arrays of length 210. lat2d and lon2d should be 2D arrays that are the same size as data2.</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">However, and this is important, attaching lat2d and lon2d attributes to the data variable is an NCL specific thing for plotting, regridding, and masking, and should NOT be used when writing new data to a file. This is needlessly expensive, because you likely already have the lat, lon arrays written as separate variables on the file. </font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">You can look at your original WRF output file to see how curvilinear data is generally represented on a NetCDF file. Here's an example:</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><div class="gmail_default"> float T2 ( Time, south_north, west_east )</div><div class="gmail_default"> FieldType : 104</div><div class="gmail_default"> MemoryOrder : XY </div><div class="gmail_default"> description : TEMP at 2 M</div><div class="gmail_default"> units : K</div><div class="gmail_default"> stagger : </div><div class="gmail_default"> coordinates : XLONG XLAT XTIME</div></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">Note the "coordinates" attribute attached T2. This is what tells you that the lat/lon arrays associated with T2 are called "XLONG" and "XLAT" on the file, which is what I used earlier to get the lat/lon for masking.</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">The data2 variable longer has this coordinates attribute, so either NCO didn't do something correctly, or this variable was modified in some way.</font></div><div class="gmail_default"><br></div><div class="gmail_default"><p style="margin-top:0px;margin-bottom:0.0001pt;color:rgb(0,0,0);line-height:normal">Please double-check that you are using NCO correctly, and don't write those lat2d / lon2d attributes. Also make sure that the coordinates attribute is included, and that you have the correct XLAT and XLONG variables written to the file. Once you do this, you can then mask your new data in the exact same way that you did for the original T2 variable.</p><p style="margin-top:0px;margin-bottom:0.0001pt;color:rgb(0,0,0);line-height:normal"><br></p><p style="margin-top:0px;margin-bottom:0.0001pt;color:rgb(0,0,0);line-height:normal">--Mary</p><p style="margin-top:0px;margin-bottom:0.0001pt;color:rgb(0,0,0);line-height:normal"><br></p><p style="margin-top:0px;margin-bottom:0.0001pt;color:rgb(0,0,0);line-height:normal"><font face="arial, helvetica, sans-serif"><br></font></p><p style="margin-top:0px;margin-bottom:0.0001pt;color:rgb(0,0,0);line-height:normal"><br></p></div><div class="gmail_default" style="font-size:small"><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Nov 8, 2017 at 12:35 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">
<div dir="ltr">
<div id="m_-1719416498099647043divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif" dir="ltr">
<p>Hi Mary </p>
<p><br>
</p>
<p>Thank you for the reply. The adjustment works perfectly to mask the data. I have another question related to this. When I use the wrfoutput file and use the commands lat2d I get this output </p>
<p><br>
</p>
<p></p>
<p style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-family:Tahoma,sans-serif;font-size:10pt">Variable: data3</span><br>
</p>
<p style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10pt;font-family:Tahoma,sans-serif"></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Type: float<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Total Size: 108360 bytes<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">27090 values<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Number of Dimensions: 2<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Dimensions and sizes: [south_north | 129] x [west_east | 210]<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Coordinates:<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Number Of Attributes: 8<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">lon2d : <ARRAY of 27090 elements><u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">lat2d : <ARRAY of 27090 elements><u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">coordinates : XLONG XLAT XTIME<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">stagger :<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">units : K<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">description : TEMP at 2 M<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">MemoryOrder : XY<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">FieldType : 104</span></p>
<br>
<p></p>
<p style="margin-bottom:0in;margin-bottom:.0001pt;line-height:normal"><span style="font-size:10pt;font-family:Tahoma,sans-serif"><u></u> <u></u></span></p>
<p></p>
<p>When I use this to a sliced file from nco which has changed the attributes of the file I get the following output. </p>
<p><br>
</p>
<p></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
</p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Variable: data2<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Type: float<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Total Size: 108360 bytes<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">27090 values<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Number of Dimensions: 2<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Dimensions and sizes: [y | 129] x [x | 210]<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Coordinates:<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">Number Of Attributes: 9<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">lon2d : <ARRAY of 210 elements><u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">lat2d : <ARRAY of 210 elements><u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">stagger :<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">description : TEMP at 2 M<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">MemoryOrder : XY<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">FieldType : 104<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">coordinates : XLONG XLAT<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">units : K<u></u><u></u></span></p>
<p style="margin-bottom:0.0001pt;font-family:Calibri,Helvetica,sans-serif,EmojiFont,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px;line-height:normal">
<span style="font-size:10pt;font-family:Tahoma,sans-serif">time : 40320<u></u><u></u></span></p>
<div><span style="font-size:10pt;font-family:Tahoma,sans-serif"><br>
</span></div>
<p></p>
<p></p>
<p><span style="font-size:12pt">Also when I use the sliced file to mask the data I get the error </span><br>
</p>
<p>(0) shapefile_mask_data:Error: not a valid rectilinear,curvilinear, or unstructured grid.</p>
<p><br>
</p>
<p>I will appreciate your help</p><span class="">
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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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<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">MSc BSc Mechanical Engineering</span></font><font face="Arial,sans-serif" size="1" color="#1F497D"><span style="font-size:8pt"><br>
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Curtin University</span></font><font face="Arial Bold" size="2" color="#AB8303"><span style="font-size:9pt"><br>
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<div id="m_-1719416498099647043divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Mary Haley <<a href="mailto:haley@ucar.edu" target="_blank">haley@ucar.edu</a>><br>
<b>Sent:</b> Wednesday, 8 November 2017 12:42:12 AM<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] Masking</font>
<div> </div>
</div><div><div class="h5">
<div>
<div dir="ltr">
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small">Muhammad,</div>
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small"><br>
</div>
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small">It looks like you are trying to use a rectilinear lat/lon grid for masking rather than the original lat/lon data associated with your "T2" variable.</div>
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small"><br>
</div>
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small">If your file is indeed a WRF output file, then you should use the XLAT/XLONG variables on the file, rather than trying to create your own lat/lon arrays.</div>
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small"><br>
</div>
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small">Your code would look something like this:</div>
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small"><br>
</div>
<font face="monospace, monospace"> nt = 0<br>
data
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small;display:inline"> </div>
= wrf_user_getvar(a, "T2",
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small;display:inline"> </div>
nt)<br>
data@lat2d = wrf_user_getvar(a, "lat", nt)<br>
data@lon2d = wrf_user_getvar(a,
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small;display:inline"> </div>
"lon",
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small;display:inline"> </div>
nt)<br>
data@_FillValue = -9999<br>
<br>
opt = True<br>
opt@debug = True<br>
data_mask = shapefile_mask_data(data,"<wbr>Shapefile/malay.shp",opt)</font>
<div><span style="font-family:monospace,monospace"><br>
</span></div>
<br>
For an example that masks a WRF output file, see example shapefile_14_mask.ncl
<div class="m_-1719416498099647043x_gmail_default" style="font-size:small;display:inline"> </div>
at:<br>
<br>
<a href="http://www.ncl.ucar.edu/Applications/shapefiles.shtml#ex14" target="_blank">http://www.ncl.ucar.edu/<wbr>Applications/shapefiles.shtml#<wbr>ex14</a><br>
<br>
Note that this example is specifying "Ohio" as the specific area in the shapefile to mask against, but if you simply want to use the whole shapefile, then you do not need to set "shape_var" or "shape_names" as this script is doing.<br>
<br>
--Mary</div>
<div class="m_-1719416498099647043x_gmail_extra"><br>
<div class="m_-1719416498099647043x_gmail_quote">On Tue, Nov 7, 2017 at 6:48 AM, Muhammad Omer Mughal <span dir="ltr">
<<a href="mailto:m.mughal1@postgrad.curtin.edu.au" target="_blank">m.mughal1@postgrad.curtin.<wbr>edu.au</a>></span> wrote:<br>
<blockquote class="m_-1719416498099647043x_gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div id="m_-1719416498099647043x_m_2210573968912012062divtagdefaultwrapper" dir="ltr" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif">
<p>Hi </p>
<p>I am using a WRF output file and I did the following changes "ONLY" to the code[ <a href="https://www.ncl.ucar.edu/Applications/Scripts/mask_9.ncl" class="m_-1719416498099647043x_m_2210573968912012062OWAAutoLink" id="m_-1719416498099647043x_m_2210573968912012062LPlnk10021" target="_blank">https://www.ncl.ucar.edu<wbr>/Applications/Scripts/mask_9.<wbr>ncl</a>]
. I want to mask the temperature in Malaysia using the shape file malay.shp. Can you kindly tell me what else do I need to change as currently I am not able to see the data masked within Malaysia. I will be grateful for your help</p>
<p><br>
</p>
<p></p>
<div>load "$NCARG_ROOT/lib/ncarg/nclscri<wbr>pts/wrf/WRFUserARW.ncl"</div>
<div><br>
</div>
<div>begin</div>
<div> MASK_INSIDE = True</div>
<div><br>
</div>
<div> a = addfile("./UTC_0.nc","r")</div>
<div> lat=a->XLAT</div>
<div> lon=a->XLONG</div>
<div><br>
</div>
<div> minlat=min(lat)</div>
<div> maxlat=max(lat)</div>
<div> minlon=min(lon)</div>
<div> maxlon=max(lon)</div>
<div><br>
</div>
<div> nlat=129</div>
<div> nlon=210</div>
<div><br>
</div>
<div> lat1d = fspan(minlat,maxlat,nlat)</div>
<div> lon1d = fspan(minlon,maxlon,nlon)</div>
<div><br>
</div>
<div> data = wrf_user_getvar(a, "T2", 0)</div>
<div> data@_FillValue = -9999</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div> lat1d = fspan(minlat,maxlat,nlat)</div>
<div> lon1d = fspan(minlon,maxlon,nlon)</div>
<div> lat1d@units = "degrees_north"</div>
<div> lon1d@units = "degrees_east"</div>
<div><br>
</div>
<div>;---Attach lat/lon coordinate array information.</div>
<div> data!0 = "lat"</div>
<div> data!1 = "lon"</div>
<div> data&lat = lat1d</div>
<div> data&lon = lon1d</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div> f = addfile("Shapefile/malay.shp", "r")</div>
<div> mrb_lon = f->x</div>
<div> mrb_lat = f->y</div>
<div> nmrb = dimsizes(mrb_lon)</div>
<div><br>
</div>
<div> min_mrb_lat = min(mrb_lat)</div>
<div> max_mrb_lat = max(mrb_lat)</div>
<div> min_mrb_lon = min(mrb_lon)</div>
<div> max_mrb_lon = max(mrb_lon)</div>
<div><br>
</div>
<br>
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;***** ; mask_9.ncl ; ; Concepts illustrated: ; - Drawing the Mississippi River Basin using data from a shapefile ; - Masking a data array based on a geographical ...</div>
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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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