.getMedianEdge13(element,
element.getEdgesOutgoing());
}
Path p = new Path(sg);
p.addVertex(element);
p.addVertex(e1.getAnother(element));
p.addVertex(e2.getAnother(element));
p.addEdge(e1);
p.addEdge(e2);
element.setProperty(VisibilityFactory.PATH_KEY, p);