_viridis_mix.html">pal_viridis_mix</a></span><span class="op">(</span><span class="fl">1</span><span class="op">)</span>,</span>
<span>  alpha_fill <span class="op">=</span> <span class="fl">1</span>,</span>
<span>  alpha_line <span class="op">=</span> <span class="fl">1</span>,</span>
<span>  size_line <span class="op">=</span> <span class="fl">0.5</span>,</span>
<span>  width <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  title <span class="op">=</span> <span class="cn">NULL</span>