public LCPanel(){
roads = new LinkedList<Road>();
testRoad = new Road(new Intersection(new Coordinate(10,100)),new Intersection(new Coordinate(400,400)), RoadType.HIGHWAY, null);
roads.add(new Road(new Intersection(new Coordinate(100,10)),new Intersection(new Coordinate(400,300)), RoadType.HIGHWAY, null));
roads.add(new Road(new Intersection(new Coordinate(50,25)),new Intersection(new Coordinate(400,200)), RoadType.HIGHWAY, null));
c = new City(windowHeight*4, windowHeight*4, 0);
rm = new Roadmap(c);
for(Road r: roads){
rm.roads.insert(r.getEnvelope(), r);
}