code>).</p></dd>


<dt id="arg-marker">marker<a class="anchor" aria-label="anchor" href="#arg-marker"></a></dt>
<dd><p>The symbol to be drawn at the origin; matched to <code>"crosshairs"</code>
or <code>"circle"</code>.</p></dd>


<dt id="arg-radius">radius<a class="anchor" aria-label="anchor" href="#arg-radius"></a></dt>
<dd><p>A <code><a href="https://rdrr.io/r/grid/unit.html" class="external-link">grid::unit()</a></code> object that sets the radius of the crosshairs
or of the circle.</p></dd>


<dt id="a