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<p>Thank you so much for your help.</p>
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<p>Best,</p>
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<p>Yu</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> ncl-talk-bounces@ucar.edu <ncl-talk-bounces@ucar.edu> on behalf of Bill Ladwig <ladwig@ucar.edu><br>
<b>Sent:</b> Tuesday, January 24, 2017 2:45:51 PM<br>
<b>To:</b> Wang,Yu<br>
<b>Cc:</b> NCL<br>
<b>Subject:</b> Re: [ncl-talk] issue with wrf_user_ll_to_ij</font>
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<div dir="auto">Hi Yu,
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<div dir="auto">There is a useTime value you can set in the opt argument. See:</div>
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<div dir="auto"><a href="http://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_user_ll_to_ij.shtml">http://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_user_ll_to_ij.shtml</a></div>
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<div dir="auto">opt = True</div>
<div dir="auto">opt@useTime = 2 </div>
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<div dir="auto">Then pass this as the last argument to wrf_user_ll_to_ij. </div>
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<div dir="auto">Hope this helps,</div>
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<div dir="auto">Bill</div>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Jan 24, 2017 9:30 AM, "Wang,Yu" <<a href="mailto:wangyu8722@ufl.edu">wangyu8722@ufl.edu</a>> wrote:<br type="attribution">
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<p>To whom it may concern,</p>
<p><br>
</p>
<p>I am trying to use this function <span style="font-size:12pt">wrf_user_ll_to_ij on a moving nested domain but found things problematic for moving nested domains. Here is the prototype of this function:</span></p>
<p><span style="font-size:12pt"></span></p>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent"> function wrf_user_ll_to_ij (
file_handle : file or list [list added in V6.0.0],
lon : numeric,
lat : numeric,
opt : logical
)</pre>
The first statement is the file that needed to be handled. But for a nested domain output, each time step has a different domain region. Then how do we represent each time step for this first statement? For example. I have this file <span>wrfout_d02_2005-08-20_18:<wbr>00:00
which include 12-time steps . When I want to extract one certain point from all the time steps, how do I define the first statement?</span>
<div>For example, if<br>
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<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent">a = <strong style="margin:0px;padding:0px">addfile</strong>("./<span style="font-family:Calibri,Arial,Helvetica,sans-serif,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px">wrfout_d02_2005-08-<wbr>20_18:00:<a href="http://00.nc" target="_blank">00.nc</a></span>","r")</pre>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent">for i=0,11</pre>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent"> <span style="font-family:Calibri,Arial,Helvetica,sans-serif,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px">wrf_user_ll_to_ij(a(i), lon, lat, True)</span></pre>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent"><span style="font-family:Calibri,Arial,Helvetica,sans-serif,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px">This way of extracting the ith time step of the output file is not correst. Then what should I do?</span></pre>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent"><span style="font-family:Calibri,Arial,Helvetica,sans-serif,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px">Thanks forany help.</span></pre>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent"><span style="font-family:Calibri,Arial,Helvetica,sans-serif,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px">Best,</span></pre>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent"><span style="font-family:Calibri,Arial,Helvetica,sans-serif,"Apple Color Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbol","Android Emoji",EmojiSymbols;font-size:16px">Yu Wang</span></pre>
<pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent"><br></pre>
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