ng-glyph-legends"></a>
</h4>
<p>To further enhance map readability, the
<code>add_geom_legend()</code> function integrates a larger version of
one of the glyphs into the bottom left corner of the plot. This legend
helps users interpret the scale of the data.</p>
<p>In the example below, a series of glyph are created using
<code><a href="../reference/geom_glyph_ribbon.html">geom_glyph_ribbon()</a></code> and overlaid on a base map to depict
daily temperature variations across Australian weather stations. A
l