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      <h1>Voronoi Builder<br>
      </h1>

Voronoi builder is the event generator structure. It implements the <a href="http://www.ams.org/samplings/feature-column/fcarc-voronoi">sweepline
algorithm</a>
that scans a 2D space and generates two types of events:
site events and circle events (we won't go into details what those are
exactly). Each event is reported to the output data structure builder.
The structure shares Voronoi name as the events generated by it
correspond to the Vo