private QuadTree initDataStructure() {
        getNodes();
        getEdges();
        //getStreets();
        getCoast();
        int i = 0;
        for (Edge edge : edges) {
            if (edge.getRoadType() != 74) {

            }
            //System.out.println(i++);
        }
		createQuadTree();
        System.out.println("Node-to-Edge joining complete.");
        return QT;
    }