rev_edge_dir_ws {DiagrammeR} | R Documentation |
Using a directed graph with a selection of edges as input, reverse the direction of those selected edges in input graph.
rev_edge_dir_ws(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(2, 2) # Inspect the graph's edges get_edges(graph) #> [1] "1->2" "1->3" "2->4" "2->5" #> [5] "3->6" "3->7" # Select all edges associated with # nodes `1` and `2` graph <- select_edges_by_node_id(graph, 1:2) # Reverse the edge directions of the edges # associated with nodes `1` and `2` graph <- graph %>% rev_edge_dir_ws() # Inspect the graph's edges after their reversal graph %>% get_edges() #> [1] "2->1" "3->1" "4->2" "5->2" #> [5] "3->6" "3->7"