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href="https://www.mail-archive.com/search?l=qgis-user@lists.osgeo.org&q=from:%22Richard+Greenwood%22"
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                  itemprop="name">Richard Greenwood</span></span></a></span><span> </span><span
            class="date"><a
href="https://www.mail-archive.com/search?l=qgis-user@lists.osgeo.org&q=date:20211206"
              rel="nofollow" style="color: rgb(102, 102, 102);
              text-decoration: none;">Mon, 06 Dec 2021 10:57:06 -0800</a></span></p>
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        <pre style="font-family: courier, "courier new", monospace; font-size: 1em; white-space: pre-wrap; overflow-wrap: break-word; margin: 0px;">g = (450-m) - int((450-m) / 360) * 360
where m = mathematical angle (0 east, anti-clockwise)
and g = geographic angle (0 north, clockwise)</pre>
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    <br>
    Which is equivalent to:<br>
    <br>
    g = (450-m) % 360<br>
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    <br>
    Best regards.<br>
    <br>
    Andrea Giudiceandrea<br>
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