<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    Hi Dave,<br>
    <br>
    I have no problems using your script after inserting the two lines.
    See attached script and plot.<br>
    <br>
    -Karin<br>
    <br>
    <div class="moz-cite-prefix">Am 27.01.18 um 11:28 schrieb dave
      montgomery via ncl-talk:<br>
    </div>
    <blockquote type="cite"
      cite="mid:1664907656.2367583.1517048931524@mail.yahoo.com">
      <div style="color:#000; background-color:#fff;
        font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande,
        sans-serif;font-size:13px">
        <div id="yiv4255676876">
          <div class="qtdSeparateBR"><br>
            <br>
          </div>
          <div class="yiv4255676876yqt5707115459"
            id="yiv4255676876yqtfd80856">
            <div id="yui_3_16_0_ym19_1_1517038637793_16982">
              <div
                style="color:#000;background-color:#fff;font-family:Helvetica
                Neue, Helvetica, Arial, Lucida Grande,
                sans-serif;font-size:13px;"
                id="yui_3_16_0_ym19_1_1517038637793_16981">
                <div id="yiv4255676876">
                  <div
                    id="yiv4255676876yui_3_16_0_ym19_1_1517038637793_11928">
                    <div
                      id="yiv4255676876yui_3_16_0_ym19_1_1517038637793_11927"
style="color:#000;background-color:#fff;font-family:Helvetica Neue,
                      Helvetica, Arial, Lucida Grande,
                      sans-serif;font-size:13px;">
                      <div><span></span></div>
                      <div class="yiv4255676876qtdSeparateBR"
                        id="yiv4255676876yui_3_16_0_ym19_1_1517038637793_11926">
                        <div id="yui_3_16_0_ym19_1_1517038637793_17456">Dear
                          Karin,</div>
                        <div id="yui_3_16_0_ym19_1_1517038637793_17457">Thanks
                          for your suggestion. However, it didn't
                          provide the solution I am seeking. It gave the
                          following:</div>
                        <div id="yui_3_16_0_ym19_1_1517038637793_19702"
                          dir="ltr">warning:gsnBelowYRefLineColor is not
                          a valid resource in mainplot_xy at this time</div>
                        <div dir="ltr"
                          id="yui_3_16_0_ym19_1_1517038637793_20118">warning:gsnRefLine
                          is not a valid resource in mainplot_xy at this
                          time</div>
                        <div dir="ltr"
                          id="yui_3_16_0_ym19_1_1517038637793_20052">I
                          would appreciate any help.</div>
                        <div dir="ltr"
                          id="yui_3_16_0_ym19_1_1517038637793_20051">Best
                          regards</div>
                        <div dir="ltr"
                          id="yui_3_16_0_ym19_1_1517038637793_20148">D.
                          Montgomery<br>
                        </div>
                        <br clear="none">
                      </div>
                    </div>
                  </div>
                </div>
                <div id="yui_3_16_0_ym19_1_1517038637793_16980">
                  <div style="font-family:Helvetica Neue, Helvetica,
                    Arial, Lucida Grande, sans-serif;font-size:13px;"
                    id="yui_3_16_0_ym19_1_1517038637793_16979">
                    <div style="font-family:HelveticaNeue, Helvetica
                      Neue, Helvetica, Arial, Lucida Grande,
                      Sans-Serif;font-size:16px;"
                      id="yui_3_16_0_ym19_1_1517038637793_16978">
                      <div class="yiv4255676876qtdSeparateBR"
                        id="yui_3_16_0_ym19_1_1517038637793_16977"><br
                          clear="none">
                        <br clear="none">
                      </div>
                      <div class="yiv4255676876yqt2721906201"
                        id="yiv4255676876yqt95615">
                        <div dir="ltr"
                          id="yui_3_16_0_ym19_1_1517038637793_16996"><font
                            id="yui_3_16_0_ym19_1_1517038637793_16995"
                            face="Arial" size="2"> On Friday, 26 January
                            2018, 20:06, Ehimen Williams
                            <a class="moz-txt-link-rfc2396E" href="mailto:montgomery_dave@yahoo.com"><montgomery_dave@yahoo.com></a> wrote:<br
                              clear="none">
                          </font></div>
                        <br clear="none">
                        <br clear="none">
                        <div class="yiv4255676876y_msg_container"
                          id="yui_3_16_0_ym19_1_1517038637793_16992">
                          <div id="yiv4255676876">
                            <div
                              id="yui_3_16_0_ym19_1_1517038637793_16991">Dear
                              Mary,
                              <div
                                id="yui_3_16_0_ym19_1_1517038637793_17024">Thanks
                                again for your quick response. </div>
                              <div
                                id="yui_3_16_0_ym19_1_1517038637793_16993">Best
                                regards </div>
                              <div
                                id="yui_3_16_0_ym19_1_1517038637793_17022">D.
                                Montgomery.</div>
                            </div>
                          </div>
                          Dear Mary,<br clear="none">
                          Thanks again for your quick response. <br
                            clear="none">
                          Best regards <br clear="none">
                          D. Montgomery.<br clear="none">
                          <br clear="none">
                          <br clear="none">
                          On 26 Jan 2018 20:00, <a rel="nofollow"
                            shape="rect"
                            ymailto="mailto:ncl-talk-request@ucar.edu"
                            target="_blank"
                            href="mailto:ncl-talk-request@ucar.edu"
                            moz-do-not-send="true">ncl-talk-request@ucar.edu</a>
                          wrote:<br clear="none">
                          ><br clear="none">
                          > Send ncl-talk mailing list submissions to<br
                            clear="none">
                          > <a rel="nofollow" shape="rect"
                            ymailto="mailto:ncl-talk@ucar.edu"
                            target="_blank"
                            href="mailto:ncl-talk@ucar.edu"
                            moz-do-not-send="true">ncl-talk@ucar.edu</a><br
                            clear="none">
                          ><br clear="none">
                          > To subscribe or unsubscribe via the World
                          Wide Web, visit<br clear="none">
                          > <a rel="nofollow" shape="rect"
                            target="_blank"
                            href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk"
                            id="yui_3_16_0_ym19_1_1517038637793_16994"
                            moz-do-not-send="true">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a><br
                            clear="none">
                          > or, via email, send a message with
                          subject or body 'help' to<br clear="none">
                          > <a rel="nofollow" shape="rect"
                            ymailto="mailto:ncl-talk-request@ucar.edu"
                            target="_blank"
                            href="mailto:ncl-talk-request@ucar.edu"
                            id="yui_3_16_0_ym19_1_1517038637793_20180"
                            moz-do-not-send="true">ncl-talk-request@ucar.edu</a><br
                            clear="none">
                          ><br clear="none">
                          > You can reach the person managing the
                          list at<br clear="none">
                          > <a rel="nofollow" shape="rect"
                            ymailto="mailto:ncl-talk-owner@ucar.edu"
                            target="_blank"
                            href="mailto:ncl-talk-owner@ucar.edu"
                            moz-do-not-send="true">ncl-talk-owner@ucar.edu</a><br
                            clear="none">
                          ><br clear="none">
                          > When replying, please edit your Subject
                          line so it is more specific<br clear="none">
                          > than "Re: Contents of ncl-talk digest..."<br
                            clear="none">
                          ><br clear="none">
                          ><br clear="none">
                          > Today's Topics:<br clear="none">
                          ><br clear="none">
                          >    1. Re: masking beneath an xy-plot
                          (Karin Meier-Fleischer)<br clear="none">
                          ><br clear="none">
                          ><br clear="none">
                          >
                          ----------------------------------------------------------------------<br
                            clear="none">
                          ><br clear="none">
                          > Message: 1<br clear="none">
                          > Date: Fri, 26 Jan 2018 17:41:51 +0100<br
                            clear="none">
                          > From: Karin Meier-Fleischer <<a
                            rel="nofollow" shape="rect"
                            ymailto="mailto:meier-fleischer@dkrz.de"
                            target="_blank"
                            href="mailto:meier-fleischer@dkrz.de"
                            moz-do-not-send="true">meier-fleischer@dkrz.de</a>><br
                            clear="none">
                          > To: <a rel="nofollow" shape="rect"
                            ymailto="mailto:ncl-talk@ucar.edu"
                            target="_blank"
                            href="mailto:ncl-talk@ucar.edu"
                            id="yui_3_16_0_ym19_1_1517038637793_20181"
                            moz-do-not-send="true">ncl-talk@ucar.edu</a><br
                            clear="none">
                          > Subject: Re: [ncl-talk] masking beneath
                          an xy-plot<br clear="none">
                          > Message-ID: <<a rel="nofollow"
                            shape="rect"
                            ymailto="mailto:3b395474-a4d4-cc75-8785-fc02028fdc28@dkrz.de"
                            target="_blank"
                            href="mailto:3b395474-a4d4-cc75-8785-fc02028fdc28@dkrz.de"
                            id="yui_3_16_0_ym19_1_1517038637793_19641"
                            moz-do-not-send="true">3b395474-a4d4-cc75-8785-fc02028fdc28@dkrz.de</a>><br
                            clear="none">
                          > Content-Type: text/plain;
                          charset="utf-8"; Format="flowed"<br
                            clear="none">
                          ><br clear="none">
                          > Hi Dave,<br clear="none">
                          ><br clear="none">
                          > try<br clear="none">
                          ><br clear="none">
                          > ?<a rel="nofollow" shape="rect"
                            ymailto="mailto:mres@gsnBelowYRefLineColor"
                            target="_blank"
                            href="mailto:mres@gsnBelowYRefLineColor"
                            moz-do-not-send="true">mres@gsnBelowYRefLineColor</a>
                          = (/ "black", "black"/)<br clear="none">
                          > ?<a rel="nofollow" shape="rect"
                            ymailto="mailto:mres@gsnYRefLine"
                            target="_blank"
                            href="mailto:mres@gsnYRefLine"
                            id="yui_3_16_0_ym19_1_1517038637793_20179"
                            moz-do-not-send="true">mres@gsnYRefLine</a>??????????
                          = (/ 100, 1000 /)<br clear="none">
                          ><br clear="none">
                          > -Karin<br clear="none">
                          ><br clear="none">
                          > Am 26.01.18 um 17:08 schrieb dave
                          montgomery via ncl-talk:<br clear="none">
                          > > Dear NCL Users,<br clear="none">
                          > > I did an overlay of an xy plot on a
                          few plots. The problem is I can't <br
                            clear="none">
                          > > find an example or a function that I
                          could use in masking out areas <br
                            clear="none">
                          > > just beneath the xy plot (the green
                          line is the xy plot). I am <br clear="none">
                          > > counting on your invaluable insight
                          and help in solving this problem. <br
                            clear="none">
                          > > I have attached the plot and
                          associated files herewith. I am using NCL <br
                            clear="none">
                          > > Version 6.3.<br clear="none">
                          > > Many thanks.<br clear="none">
                          > > D. Montgomery<br clear="none">
                          > ><br clear="none">
                          > ><br clear="none">
                          > >
                          _______________________________________________<br
                            clear="none">
                          > > ncl-talk mailing list<br
                            clear="none">
                          > > <a rel="nofollow" shape="rect"
                            ymailto="mailto:ncl-talk@ucar.edu"
                            target="_blank"
                            href="mailto:ncl-talk@ucar.edu"
                            moz-do-not-send="true">ncl-talk@ucar.edu</a><br
                            clear="none">
                          > > List instructions, subscriber
                          options, unsubscribe:<br clear="none">
                          > > <a rel="nofollow" shape="rect"
                            target="_blank"
                            href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk"
                            id="yui_3_16_0_ym19_1_1517038637793_20083"
                            moz-do-not-send="true">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a><br
                            clear="none">
                          ><br clear="none">
                          > -- <br clear="none">
                          > Dipl. Geophys. Karin Meier-Fleischer<br
                            clear="none">
                          > Visualization, NCL, CDO<br clear="none">
                          > Application Support<br clear="none">
                          ><br clear="none">
                          > Deutsches Klimarechenzentrum GmbH (DKRZ)<br
                            clear="none">
                          > Bundesstrasse 45a - D20146 Hamburg -
                          Germany<br clear="none">
                          ><br clear="none">
                          > Phone:    +49 (0)40 460094 126<br
                            clear="none">
                          > Fax:      +49 (0)40 460094 270<br
                            clear="none">
                          > E-Mail:   <a rel="nofollow" shape="rect"
                            ymailto="mailto:meier-fleischer@dkrz.de"
                            target="_blank"
                            href="mailto:meier-fleischer@dkrz.de"
                            id="yui_3_16_0_ym19_1_1517038637793_20178"
                            moz-do-not-send="true">meier-fleischer@dkrz.de</a><br
                            clear="none">
                          > URL:      <a class="moz-txt-link-abbreviated" href="http://www.dkrz.de">www.dkrz.de</a><br clear="none">
                          ><br clear="none">
                          > Gesch?ftsf?hrer: Prof. Dr. Thomas Ludwig<br
                            clear="none">
                          > Sitz der Gesellschaft: Hamburg<br
                            clear="none">
                          > Amtsgericht Hamburg HRB 39784<br
                            clear="none">
                          ><br clear="none">
                          > -------------- next part --------------<br
                            clear="none">
                          > An HTML attachment was scrubbed...<br
                            clear="none">
                          > URL: <<a rel="nofollow" shape="rect"
                            target="_blank"
href="http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20180126/dda872f0/attachment-0001.html"
                            id="yui_3_16_0_ym19_1_1517038637793_20117"
                            moz-do-not-send="true">http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20180126/dda872f0/attachment-0001.html</a>><br
                            clear="none">
                          ><br clear="none">
                          > ------------------------------<br
                            clear="none">
                          ><br clear="none">
                          > Subject: Digest Footer<br clear="none">
                          ><br clear="none">
                          >
                          _______________________________________________<br
                            clear="none">
                          > ncl-talk mailing list<br clear="none">
                          > <a rel="nofollow" shape="rect"
                            ymailto="mailto:ncl-talk@ucar.edu"
                            target="_blank"
                            href="mailto:ncl-talk@ucar.edu"
                            moz-do-not-send="true">ncl-talk@ucar.edu</a><br
                            clear="none">
                          > List instructions, subscriber options,
                          unsubscribe:<br clear="none">
                          > <a rel="nofollow" shape="rect"
                            target="_blank"
                            href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk"
                            id="yui_3_16_0_ym19_1_1517038637793_17023"
                            moz-do-not-send="true">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a><br
                            clear="none">
                          ><br clear="none">
                          ><br clear="none">
                          > ------------------------------<br
                            clear="none">
                          ><br clear="none">
                          > End of ncl-talk Digest, Vol 170, Issue 55<br
                            clear="none">
                          > *****************************************<br
                            clear="none">
                          <br clear="none">
                          <br clear="none">
                          <br clear="none">
                          <br clear="none">
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
ncl-talk mailing list
<a class="moz-txt-link-abbreviated" href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>
List instructions, subscriber options, unsubscribe:
<a class="moz-txt-link-freetext" href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a>
</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Dipl. Geophys. Karin Meier-Fleischer
Visualization, NCL, CDO
Application Support

Deutsches Klimarechenzentrum GmbH (DKRZ)
Bundesstrasse 45a - D20146 Hamburg - Germany

Phone:    +49 (0)40 460094 126
Fax:      +49 (0)40 460094 270
E-Mail:   <a class="moz-txt-link-abbreviated" href="mailto:meier-fleischer@dkrz.de">meier-fleischer@dkrz.de</a>
URL:      <a class="moz-txt-link-abbreviated" href="http://www.dkrz.de">www.dkrz.de</a>

Geschäftsführer: Prof. Dr. Thomas Ludwig
Sitz der Gesellschaft: Hamburg
Amtsgericht Hamburg HRB 39784
</pre>
  </body>
</html>