curve_multiple | R Documentation |
If graphs have multiple edges, then drawing them as straight lines does not show them when plotting the graphs; they will be on top of each other. One solution is to bend the edges, with diffenent curvature, so that all of them are visible.
curve_multiple(graph, start = 0.5)
graph |
The input graph. |
start |
The curvature at the two extreme edges. All edges will have a
curvature between |
curve_multiple()
calculates the optimal edge.curved
vector for
plotting a graph with multiple edges, so that all edges are visible.
A numeric vector, its length is the number of edges in the graph.
Gabor Csardi csardi.gabor@gmail.com
igraph.plotting for all plotting parameters,
plot.igraph()
, tkplot()
and rglplot()
for plotting functions.
g <- make_graph(c(
0, 1, 1, 0, 1, 2, 1, 3, 1, 3, 1, 3,
2, 3, 2, 3, 2, 3, 2, 3, 0, 1
) + 1)
curve_multiple(g)
set.seed(42)
plot(g)
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