Does it use the adjacency list or something else?
Yes, see the documentation: https://github.com/graphhopper/graphhopper/blob/master/docs/index.md#technical
Danke, it says “DataAccess objects in GraphHopperStorage”, but I can’t find the DataAccess objects in GraphHopperStorage. I find BaseGraph in GraphHopperStorage which has a fied called wayGeometry, is that actually stores the graph?
BaseGraph
is the actual graph, GraphHopperStorage
just forwards all graph-related calls to BaseGraph
. BaseGraph
stores nodes and edges in BaseGraphNodesAndEdges
and the wayGeometry
DataAccess
stores the (inner/‘pillar’) GPS coordinates of the edges.
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