kind-class">ForceDirectedEdge</a>
may be added to the network to represent the (balloon?) comment.
This method sets the new vertex&#39;s <a href="ForceDirectedVertex.html#charge" class="tsd-kind-accessor">ForceDirectedVertex.charge</a>
to the value of <a href="ForceDirectedLayout.html#defaultCommentElectricalCharge" class="tsd-kind-accessor">defaultCommentElectricalCharge</a>,
and sets the new edge&#39;s <a href="ForceDirectedEdge.html#length" class="tsd-kind-accessor">ForceDirectedEdge.length</a>
to the va