| 123456789101112131415161718192021222324 |
- def DrawPath(G, source, dest):
- pos = nx.spring_layout(G)
- val_map = {}
- val_map[source] = 'green'
- val_map[dest] = 'red'
- values = [val_map.get(node, 'blue') for node in G.nodes()]
- nx.draw(G, pos, with_labels = True, node_color = values, edge_color = 'b' ,width = 1, alpha = 0.7) #with_labels=true is to show the node number in the output graph
- edge_labels = dict([((u, v,), d['length']) for u, v, d in G.edges(data = True)])
- nx.draw_networkx_edge_labels(G, pos, edge_labels = edge_labels, label_pos = 0.5, font_size = 11) #prints weight on all the edges
- return pos
- #main function
- if __name__ == "__main__":
- G, source,dest = CreateGraph()
- heuristics = getHeuristics(G)
- pos = DrawPath(G, source, dest)
- greedyBFS(G, source, dest, heuristics, pos)
- plt.show()
|
