<div dir="ltr">Guilo:<div><br></div><div>The last message I found about this on the web was from 2012. So, this isn't a typical error, and I believe that you need to define your data better for those who can help.</div><div><br></div><div>You could start by providing a PrintVarSummary of data in your file.</div><div><br></div><div>Barry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 4, 2019 at 5:04 PM G.Monte--- via ncl-talk <<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dears all,<br>
I have an issue with the plots of some ascii data on a contouring map. I<br>
often get the message:<br>
<br>
Error: Input must have at least three input vertices.<br>
<br>
Generally, what does this error message mean?<br>
<br>
Thank you.<br>
Giulio<br>
<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Barry H. Lynn, Ph.D<div><div>Senior Associate Scientist, Lecturer,</div><div><div><span style="color:rgb(136,136,136)">The Institute of the Earth Science, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">The Hebrew University of Jerusalem, </span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Givat Ram, Jerusalem 91904, Israel </span><br style="color:rgb(136,136,136)"></div><span style="color:rgb(136,136,136)">Tel: 972 547 231 170</span><br style="color:rgb(136,136,136)"><span style="color:rgb(136,136,136)">Fax: (972)-25662581</span></div></div><div><span style="color:rgb(136,136,136)"><br></span></div><div>C.E.O, Weather It Is, LTD<br>Weather and Climate Focus<br><a href="http://weather-it-is.com" target="_blank">http://weather-it-is.com</a><br>Jerusalem, Israel<br>Local: 02 930 9525<br>Cell: 054 7 231 170<br>Int-IS: x972 2 930 9525<br><br></div></div></div></div></div>