graph.addAttribute("ui.antialias");
pipe.addViewerListener(this);
Node A = graph.addNode("A");
Node B = graph.addNode("B");
Node C = graph.addNode("C");
graph.addEdge("AB", "A", "B", true);
graph.addEdge("BC", "B", "C", true);
graph.addEdge("CA", "C", "A", true);