ve a flattened histogram (i.e. to maximally
increase contrast throughout the domain.)  If not given, the 1 and 99
percent quantiles are calculated and used as limits.</p></dd>


<dt id="arg-utm">utm<a class="anchor" aria-label="anchor" href="#arg-utm"></a></dt>
<dd><p>A logical value indicating whether to use UTS (easting and northing) instead
of longitude and latitude on plot.</p></dd>


<dt id="arg-col">col<a class="anchor" aria-label="anchor" href="#arg-col"></a></dt>
<dd><p>Either a function yielding co