<div dir="ltr"><div><div><div><div>Hi,<br><br></div>There are several examples of masking data with a shapefile at:<br><br>    <a href="http://ncl.ucar.edu/Applications/shapefiles.shtml">http://ncl.ucar.edu/Applications/shapefiles.shtml</a><br><br></div>notably examples 4, 5, 12, and others.  See these examples if you are unsure how to read your ascii data:<br><br>    <a href="http://ncl.ucar.edu/Applications/read_ascii.shtml">http://ncl.ucar.edu/Applications/read_ascii.shtml</a><br><br></div>Hope that helps!<br></div>Rick<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 2, 2014 at 5:34 PM, Tabish Ansari <span dir="ltr">&lt;<a href="mailto:tabishumaransari@gmail.com" target="_blank">tabishumaransari@gmail.com</a>&gt;</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-family:verdana,sans-serif;color:#45818e">Hi</div><div class="gmail_default" style="font-family:verdana,sans-serif;color:#45818e"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;color:#45818e">I have emissions data in ASCII format. I know the starting and ending lat/lon and the interval.</div><div class="gmail_default" style="font-family:verdana,sans-serif;color:#45818e"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;color:#45818e">How can I mask this data using a shapefile in NCL?</div><div class="gmail_default" style="font-family:verdana,sans-serif;color:#45818e"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;color:#45818e">Thanks in advance!</div><div class="gmail_default" style="font-family:verdana,sans-serif;color:#45818e"><br></div><div><div dir="ltr"><font color="#3d85c6" face="trebuchet ms, sans-serif">Tabish U Ansari</font><div><font color="#3d85c6" face="trebuchet ms, sans-serif">MS Research Scholar<br>Environmental &amp; Water Resources Engineering Division</font></div><div><font color="#3d85c6" face="trebuchet ms, sans-serif">Department of Civil Engineering</font></div><div><font color="#3d85c6" face="trebuchet ms, sans-serif">IIT Madras</font></div></div></div>
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