
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">icevision_RandomShadow</span><span class="op">(</span></span>
<span>  shadow_roi <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="fl">0</span>, <span class="fl">0.5</span>, <span class="fl">1</span>, <span class="fl">1</span><span class="op">)</span>,</span>
<span>  num_shadows_