ef="#examples"></a>Examples</h2>
    <pre class="examples"><span class='r-in'><span class='co'># -------------------</span></span>
<span class='r-in'><span class='co'>#  Init a polar plot</span></span>
<span class='r-in'><span class='co'># -------------------</span></span>
<span class='r-in'></span>
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