<div dir="ltr"><div>Rashed's fix worked fine. I wonder why I am able to call the arrow routine with a single array name (not array(i)).</div><div><br></div><div>Thanks again.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jan 14, 2020 at 9:48 PM Barry Lynn <<a href="mailto:barry.h.lynn@gmail.com">barry.h.lynn@gmail.com</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"><div dir="ltr">Rashed seems to demonstrate that his version works, so I will probably find the same. I'll update later.<div><br></div><div>Thank you for the help.</div><div><br></div><div>Barry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jan 14, 2020 at 9:47 PM Barry Lynn <<a href="mailto:barry.h.lynn@gmail.com" target="_blank">barry.h.lynn@gmail.com</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"><div dir="ltr">Hi Adam, Rasheed.<div><br></div><div>In both cases, I call the function within a loop. The only difference is whether I refer to array(i) or arr_0, arr_1... n.</div><div><br></div><div>In any case, I will try Rashed's version.</div><div><br></div><div>Barry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jan 14, 2020 at 9:06 PM Adam Phillips <<a href="mailto:asphilli@ucar.edu" target="_blank">asphilli@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"><div dir="ltr"><div dir="ltr">Hi Barry,<div>If I had to guess, it is that the arrow function writes the gsn_add_polyline output as attributes named arr,arr1, and arr2 to the plt array that is to be returned by the function. If you call the function multiple times and pass all the graphical output to the same logical array named "array", each time you call arrow, array@arr, array@arr1 and array@arr2 will get overwritten. To get around this, you should alter the arrow function to use the unique_string function.</div><div><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/unique_string.shtml" target="_blank">https://www.ncl.ucar.edu/Document/Functions/Built-in/unique_string.shtml</a><br></div><div><br></div><div>For an example of how to do this, see polymarker example #18:</div><div><a href="https://www.ncl.ucar.edu/Applications/polyg.shtml#ex18" target="_blank">https://www.ncl.ucar.edu/Applications/polyg.shtml#ex18</a><br></div><div><br></div><div>For example, change this:</div><div>plt@arr = gsn_add_polyline(wks,plt,xpts,ypts,res)<br></div><div>to this:</div><div>str = unique_string("arr")<br></div><div>plt@$str$ = gsn_add_polyline(wks,plt,xpts,ypts,res)<br></div><div><br></div><div>and do the same for the other two calls to gsn_add_polyline.</div><div>Hope that helps!</div><div>Adam</div><div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jan 14, 2020 at 9:45 AM Barry Lynn via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">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"><div dir="ltr"><div dir="ltr"><font face="georgia, serif">Hi:</font><div><font face="georgia, serif"><br></font></div><div><font face="georgia, serif">I have a bit of a mystery:</font></div><div><font face="georgia, serif"><br></font></div><div><font face="georgia, serif">I have a loop where I am calling gsn_add_polymarker. I created an array (dum_b(n_calls)) so I could plot the markers within the loop.</font></div><div><font face="georgia, serif"><br></font></div><div>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">dum_b(i) = gsn_add_polymarker(wks,plot,lon_old(i),lat_old(i),mkres)</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">However, when I call:</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">
</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><font face="georgia, serif"><span style="font-variant-ligatures:no-common-ligatures">array(i) = </span><span style="font-variant-ligatures:no-common-ligatures;background-color:rgb(224,228,9)">arro</span><span style="font-variant-ligatures:no-common-ligatures">w(wks,plot,xpts,ypts,mkres)</span></font></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">I am not able to make the lines with the arrows (more than once).</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">
</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">warning:TransformPostDraw: tfPolyDrawList element 1 is invalid</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">Yet, if I call the same with</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">arr_0 = arrow...</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">arr_1 = arrow...</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">up to n_calls, I have no problem.</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif">If someone can solve the mystery, I would be curious to find out the reason for this "strange" behavior.</font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><font face="georgia, serif"><br></font></span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><a href="https://www.ncl.ucar.edu/Support/talk_archives/2010/att-1344/arrow.ncl" target="_blank"><font face="georgia, serif">https://www.ncl.ucar.edu/Support/talk_archives/2010/att-1344/arrow.ncl</font></a><br></span></p></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 8, 2019 at 12:13 PM Barry Lynn <<a href="mailto:barry.h.lynn@gmail.com" target="_blank">barry.h.lynn@gmail.com</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"><div dir="ltr">Hi:<div><br></div><div>That was absolutely the correct solution -- thank you.</div><div><br></div><div>Are you aware of a way to increase the spacing between maps? I am using wrf resources so this is very obtuse.</div><div><br></div><div>Barry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 8, 2019 at 10:44 AM Rashed Mahmood <<a href="mailto:rashidcomsis@gmail.com" target="_blank">rashidcomsis@gmail.com</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"><div dir="ltr"><div>Hi Barry,<br></div><div>A quick look suggests that it may be related to not specifying unique ids for markid and textid:</div><div> markid = gsn_add_polymarker(wks,plots(0),lon,lat,mkres)<br> textid = gsn_add_text(wks,plots(0),cities,lon,lat,txres)</div><div><br></div><div>Next lines should have, <br></div><div>markid<b><span style="color:rgb(255,0,0)">1</span> </b>= gsn_add_polymarker(wks,plots(0),lon,lat,mkres)<br></div><div><div>textid<span style="color:rgb(255,0,0)"><b>1</b></span> = gsn_add_text(wks,plots(0),cities,lon,lat,txres)</div><div><br></div><div>and so on...<br></div></div><div><br></div><div>Cheers<br></div><div><br></div><div>Rashed<br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 8, 2019 at 7:51 AM Barry Lynn via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">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"><div dir="ltr"><div><div>Hello:<br></div><div><br></div><div>For some reason, the markid only appears on the last graph, but not the first two. Yet, the "call" to each is the same. I had this problem in other programs I wrote.</div><div><br></div><div>If you have a suggestion, thank you,</div><div><br></div><div>Barry</div>-- <br><div dir="ltr"><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></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><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>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><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></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><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>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><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>
</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>