boost-graph

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How to calculate betweenness using boostlib for adjacency list?

I\'m trying to write a simple program to calculate betweeness using brandes_betweenness_centrality from boostlib. I got stuck at getting an output (CentralityMap). I\'ve been reading the documentation[详细]

2023-04-12 08:04 分类：问答
Avoiding the use of temporary files, when the function wants a FILE * passed

I currently use C++ to do some gra开发者_开发百科ph related computation using boost::graph. boost::graph can output its graph as a dot file and I use a std::stringstream to capture the output dot file[详细]

2023-04-12 00:31 分类：问答
Sorting the EdgeList in boost::graph

I would like to to sort the edge List of boost::graph defined as followed: struct Vertex{ int index; }; struct Edge{[详细]

2023-04-09 05:18 分类：问答
Efficiently expand set of graph edges

I have a set of edges from a graph, and would like to expand it with all edges that share a v开发者_开发百科ertex with any edge. How could I do this efficiently with boost::graphs?[详细]

2023-04-03 16:39 分类：问答
edge_index zero for all edges?

Defining my boost::graph like the following, I get edge indices zero for all edges. Why? What am I doing wrong?[详细]

2023-04-01 19:32 分类：问答
Iterate over range, and "one more"

In the algorithm I\'m currently implementing, there is this line (where u is a vertex in a graph, and Pred(u) are all vertices having edges pointing at u):[详细]

2023-03-28 16:12 分类：问答
BGL DFS Visitor with Priority Queue

I have a tree (in the graph sense) representation of a tree (in the physical sense). The tree is represented as a BGL adjacency list where each vertex contains radius and position properties, i.e., my[详细]

2023-03-28 06:28 分类：问答
Boost Graph Library: Potential Bug

BGL\'s depth_first_search algorithm sometimes calls back_edge() on visitors even if there are no cycles in the graph. By definition of back edge, and according to Boost\'s DFS Visitor Documentation, t[详细]

2023-03-28 00:56 分类：问答
How to efficiently implement graph with a lot of big complete subgraphs? [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not generally applic[详细]

2023-03-25 00:29 分类：问答
Boost Graph edges with indexes

I am trying to define a graph with undirected edges from a set of pair(int,int) edges (where each int represents a vertex index). Each such edge has an index of its own.[详细]

2023-03-22 18:16 分类：问答