p>Convert points to raster format.  Default is NULL which will rasterize by default if
greater than 100,000 total points plotted (# Cells x # of features).</p></dd>


<dt>add.noise</dt>
<dd><p>logical, determine if adding a small noise for plotting (Default is TRUE).</p></dd>


<dt>ggplot_default_colors</dt>
<dd><p>logical.  If <code>colors_use = NULL</code>, Whether or not to return plot using
default ggplot2 "hue" palette instead of default "polychrome" or "varibow" palettes.</p></dd>


<dt>color_seed</dt