overing-over-and-clicking-on-strata" class="section level3">
<h3 class="hasAnchor">
<a href="#hovering-over-and-clicking-on-strata" class="anchor"></a>Hovering over and clicking on strata</h3>
<p>Enabling hovering over and clicking on strata is straightforward because of their rectangular shape. We only need the minimum and maximum <code>x</code> and <code>y</code> coordinates for each of the rectangles. The rectangles are evenly spaced along the x-axis, centered on positive integers beginning with 1. The w