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    Hi Soumik,<br>
    <br>
    you can use polymarkers to plot the circles around lat/lon
    locations. Have a look at example newcolor_4.ncl at <a
      href="http://ncl.ucar.edu/Applications/Scripts/newcolor_4.ncl">http://ncl.ucar.edu/Applications/Scripts/newcolor_4.ncl</a><br>
    <br>
    I've attached an example script using random data for marker size
    and lat/lon locations overlayed on filled contour map.<br>
    <br>
    Hope this helps.<br>
    <br>
    -Karin<br>
    <br>
    <div class="moz-cite-prefix">Am 08.02.18 um 00:55 schrieb Soumik
      Basu:<br>
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cite="mid:CABQc7nWav4D1X6ixLE3XERJ6L=Bc0D=cksDf_o2nYoEFXjuNWg@mail.gmail.com">
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              <div>Hello NCL-users,<br>
                <br>
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              I am trying to draw circles around a station with
              different radius. For example 50 Km, 100 Km, 150 Km etc. <br>
              <br>
              So, I am wondering if there is any way to do it in NCL. <br>
              <br>
              I looked at the "nggcog" function but from the description
              what I understand is that it can draw circles along a
              great circle only not according to a given distance. <br>
              <br>
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            Thank you for any help. <br>
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          Thanks,<br>
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        Soumik<br clear="all">
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                  -- <br>
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                          <div>-- </div>
                          “We’ve all got both light and dark inside us.
                          What matters is the part we choose to act on.
                          That’s who we really are.” – J.K. Rowling
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                          <div>**************************************************************************************************</div>
                          <div>Dr. Soumik Basu</div>
                          <div>Post Doctoral Research Faculty</div>
                          <div><span style="font-size:12.8px">International
                              Arctic Research Center, UAF, Fairbanks,
                              AK, USA</span></div>
                          <div><span style="font-size:12.8px">PhD in
                              Atmospheric Sciences</span><br>
                          </div>
                          <div>M.Sc. in Atmospheric Sciences</div>
                          <div>Email: <a
                              href="mailto:suvro05@gmail.com"
                              target="_blank" moz-do-not-send="true">suvro05@gmail.com</a></div>
                          <div>website: <a
                              href="http://soumikbasu.weebly.com/"
                              target="_blank" moz-do-not-send="true">http://soumikbasu.weebly.com/</a></div>
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                          <div>***************************************************************************************************</div>
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