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    Noelia,<br>
    <br>
    You have the change the units to "degrees_north" for latitude and
    "degrees_east" for longitude, not just "degrees" for both.&nbsp; I
    believe if you do that you'll be able to "sdfopen" your file without
    needed a ctl file.&nbsp; Try with the attached file.<br>
    <br>
    Jim<br>
    <br>
    <div class="moz-cite-prefix">On 1/26/14 11:05 PM, Noelia otero
      wrote:<br>
    </div>
    <blockquote
cite="mid:CAG7o=LvobsBnjvSJYk6j596gfqP5o+dxFLvDrcJtV03bdjj7pg@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hi Jim,
        <div><br>
        </div>
        <div>Thanks for your answer. I tried to change the units as you
          suggested, just like "degrees" (for both lon and lat), but it
          doesn't work. I'd like to attach my file (this is another file
          similar, created from R) and I also attach the data descriptor
          that I made.</div>
        <div><br>
        </div>
        <div>This is the output from ncdump -c :</div>
        <div>
          <div>
            <div>netcdf north {</div>
            <div>dimensions:</div>
            <div><span class="" style="white-space:pre"> </span>long =
              25 ;</div>
            <div><span class="" style="white-space:pre"> </span>lati =
              17 ;</div>
            <div>variables:</div>
            <div><span class="" style="white-space:pre"> </span>double
              long(long) ;</div>
            <div><span class="" style="white-space:pre"> </span>long:units
              = "degrees" ;</div>
            <div><span class="" style="white-space:pre"> </span>double
              lati(lati) ;</div>
            <div><span class="" style="white-space:pre"> </span>lati:units
              = "degrees" ;</div>
            <div><span class="" style="white-space:pre"> </span>double
              north(lati, long) ;</div>
            <div><span class="" style="white-space:pre"> </span>north:units
              = "Pa" ;</div>
            <div><span class="" style="white-space:pre"> </span>north:missing_value
              = -999. ;</div>
            <div>data:</div>
            <div><br>
            </div>
            <div>&nbsp;long = -20, -17.5, -15, -12.5, -10, -7.5, -5, -2.5, 0,
              2.5, 5, 7.5, 10,&nbsp;</div>
            <div>&nbsp; &nbsp; 12.5, 15, 17.5, 20, 22.5, 25, 27.5, 30, 32.5, 35,
              37.5, 40 ;</div>
            <div><br>
            </div>
            <div>&nbsp;lati = 70, 67.5, 65, 62.5, 60, 57.5, 55, 52.5, 50,
              47.5, 45, 42.5, 40, 37.5,&nbsp;</div>
            <div>&nbsp; &nbsp; 35, 32.5, 30 ;</div>
            <div>}</div>
          </div>
        </div>
        <div><br>
        </div>
        <div>Any idea about how it's happening?</div>
        <div>Many thanks in advance!!</div>
        <div><br>
        </div>
        <div>Cheers,</div>
        <div><br>
        </div>
        <div>Noelia</div>
      </div>
      <br>
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      <br>
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</pre>
    </blockquote>
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