mber">0.25</span>, <span class="hljs-number">0.666</span>];

<span class="hljs-keyword">var</span> polar_data_color = d3.scale.category10();
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">generate_polar_data</span>(<span class="hljs-params"></span>) </span>{
    random_polar_data.length = <span class="hljs-number">0</span>;
    <span class="hljs-keyword">for</span> (<span class="hljs-keyword">let</span> i = <span class="hljs-number">0</span>; i &lt; <span cla