Using a directed graph as input, reverse the direction of all edges in that graph.
rev_edge_dir(graph)
graph | a graph object of class
|
---|
a graph object of class dgr_graph
.
# Create a graph with a # directed tree graph <- create_graph() %>% add_balanced_tree( k = 2, h = 2) # Inspect the graph's edges graph %>% get_edges()#> [1] "1->2" "1->3" "2->4" "2->5" "3->6" "3->7"# Reverse the edge directions # such that edges are directed # toward the root of the tree graph <- graph %>% rev_edge_dir() # Inspect the graph's edges # after their reversal graph %>% get_edges()#> [1] "2->1" "3->1" "4->2" "5->2" "6->3" "7->3"