//double scale = 1.0 / 8.0;
//graph.getView().setScale(scale);
if (currentTrafficLight != null) {
for (EdgeModel edge : currentTrafficLight.getUsedBy()) {
EdgeView way = new EdgeView(edge);
previewWidget.addEdge(way);
}
TrafficLightView trafficLight = new TrafficLightView(currentTrafficLight);
trafficLight.setIgnoreLevelOfDetail(true);