cityImage.reach_centrality#

cityImage.reach_centrality(G, weight, radius, attribute)[source]#

Calculates the reach centrality of each node in the graph G based on the attribute of the reachable nodes within a given radius.

Parameters:

  • G (Networkx graph) – The street network graph.

  • weight (str) – The street segments’ weight (e.g. distance).

  • radius (float) – Distance from node within looking for other reachable nodes

  • attribute (str) – Node attribute used to compute reach centralily. It indicates the importance of the node (e.g. number of services in 50mt buffer - name of a column in the nodes_gdf GeoDataFrame).

Returns:

reach_centrality – A dictionary where each item consists of a node (key) and the centrality value (value).

Return type:

dict