The teacher asked me to draw on road node data between two locations, positioning and the distance between the nodes, then use to realize path planning algorithm for himself, rather than direct call Scott API path planning,
But I see a lot of information, only know that the distance between computing nodes, this is an area of large two sites don't know how to obtain all feasible route node, also didn't how to find relevant information, really don't know what to do!
For help, the way!

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