<div dir="ltr"><div class="gmail_default" style="font-size:small">Dear Sujit,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Please see example polyg_9.ncl at:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default"><a href="http://www.ncl.ucar.edu/Applications/polyg.shtml#ex9">http://www.ncl.ucar.edu/Applications/polyg.shtml#ex9</a><br></div><div class="gmail_default"><br></div><div class="gmail_default">polyg_11.ncl is similar.</div><div class="gmail_default"><br></div><div class="gmail_default">To draw *any* type of lines or markers on an existing map, you simply need to call either gsn_polyline / gsn_add_polyline or gsn_polymarker / gsn_add_polymarker, and pass the lon, lat arrays where you want lines or markers.</div><div class="gmail_default"><br></div><div class="gmail_default">The link above explains the difference between the using the "add" version of the function, or the procedure without the "add".</div><div class="gmail_default"><br></div><div class="gmail_default">If you are new to NCL, you may want to read the NCL User Guide at:</div><div class="gmail_default"><br></div><div class="gmail_default"><a href="http://www.ncl.ucar.edu/Document/Manuals/NCL_User_Guide/">http://www.ncl.ucar.edu/Document/Manuals/NCL_User_Guide/</a><br></div><div class="gmail_default"><br></div><div class="gmail_default">The "NUG", as we call it, comes with 100 examples that have the data files provided, so you can download and run them yourself. </div><div class="gmail_default"><br></div><div class="gmail_default">The NUG has an example of plotting markers and lines on a map that is similar to the above two examples. See example NUG_polyline_polygon_polymarker.ncl at:</div><div class="gmail_default"><br></div><div class="gmail_default"><a href="http://www.ncl.ucar.edu/Applications/NUG.shtml#NUG_polyline_polygon_polymarker">http://www.ncl.ucar.edu/Applications/NUG.shtml#NUG_polyline_polygon_polymarker</a><br></div><div class="gmail_default"><br></div><div class="gmail_default">--Mary</div><div class="gmail_default"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, May 29, 2017 at 10:06 PM, Sujit Maji <span dir="ltr"><<a href="mailto:sujit.cat@tropmet.res.in" target="_blank">sujit.cat@tropmet.res.in</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear All,<br>
<br>
I want to draw country boundary using lat,lon data from text file over default ncl country border. Please share your experience if anyone have done that.<br>
<br>
Thanks and Regards,<br>
Sujit Maji<br>
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