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    Hi Arnaitz,<br>
    <br>
    I guess that you have to set the following resources:<br>
    <br>
    res@gsnDraw = False<br>
    res@gsnFrame = False<br>
    <br>
    And at the end below the plotting part you have to call draw and
    frame manually:<br>
    <br>
    draw(plot)<br>
    frame(wks)<br>
    <br>
    See: <a class="moz-txt-link-freetext" href="https://www.ncl.ucar.edu/Applications/Scripts/overlay_1.ncl">https://www.ncl.ucar.edu/Applications/Scripts/overlay_1.ncl</a><br>
    <br>
    Ciao,<br>
    Karin<br>
    <br>
    <div class="moz-cite-prefix">Am 23.04.21 um 09:57 schrieb Arnaitz
      Fernández via ncl-talk:<br>
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    <blockquote type="cite"
cite="mid:CACihdq2GSdgWhfCTRiKEg07_G8qseztLsiwYJ9jon2Cxa=1wrQ@mail.gmail.com">
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        <div style="font-family:sans-serif;font-size:12.8px" dir="auto">Hello,
          Im trying to plot in a pressure level the Geopotential Height
          and wind speed with streamlines. I did the code but I don't
          know why the overlay is not working. Do ylu know why? I send
          you the code.</div>
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        <div style="font-family:sans-serif;font-size:12.8px" dir="auto">Thank
          you. </div>
      </div>
      <br>
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