# File structures/Boundaries.rb, line 147
  def addEdge(v1,v2,spline,data = nil)
    if (spline != nil)
      v1.controlPoint = spline.evaluate(spline.k[0])
      v2.controlPoint = spline.evaluate(spline.maxT())
    end
    add([v1,v2],[spline,data])
  end