SimFeedbackEdge refEdge = (SimFeedbackEdge) referenceGraph.findEdge(src, sink);
double feedback = event.getFeedback();
if (forward) {
//Add the feedback to the full edge so it can be seen in the viewer
dynEdge.addFeedback(src, sink, feedback);
refEdge.addFeedback(src, sink, feedback);
} else {
dynEdge.removeFeedback(feedback);
refEdge.removeFeedback(feedback);
if (dynEdge.feedbacks.isEmpty()){
removeEdgeAndVertices(dynEdge); //Remove the dynamic edge