@Override
  public String name() {
    return "Toilets Overlay";
  }
Builds a map of toilets from OpenStreetMap nodes tagged with
<a href="https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dtoilets">amenity=toilets</a>.
<p>
To run this example:
<ol>
<li>Download a .osm.pbf extract (see <a href="https://download.geofabrik.de/">Geofabrik download site</a></li>
<li>then build the examples: {@code mvn clean package}</li>
<li>then run this example:
{@code java -cp target/*-fatjar.jar com.onthegomap.planetiler.examples.ToiletsOverlay osm_path="path/to/data.osm.pbf" mbtiles="data/output.mbtiles"}</li>
<li>then run the demo tileserver: {@code tileserver-gl-light data/output.mbtiles}</li>
<li>and view the output at <a href="http://localhost:8080">localhost:8080</a></li>
</ol>
planetiler-examples/src/main/java/com/onthegomap/planetiler/examples/ToiletsOverlay.java