<div class="figure" style="text-align: center">
<img src="figures/postgis-1.png" alt="Visualization of the output of previous PostGIS commands showing the highway (black line), a buffer (light yellow) and three restaurants (light blue points) within the buffer." width="60%" />
<p class="caption">(\#fig:postgis)Visualization of the output of previous PostGIS commands showing the highway (black line), a buffer (light yellow) and three restaurants (light blue points) within the buffer.</p>
</div>