S Front :
I would like to plot an igraph object without vertices. Simply specifying vertex.color = "white" does not help much as the vertices overlap due to a very high number of vertices. vertex.size = 0 plots small vertices, See plot 1 on the left. I have tried vertex.size = (-1) which produces the error:
Error in symbols(x = coords[, 1], y = coords[, 2], bg = vertex.color, :
invalid symbol parameter
even though it plots no vertices (or they are so small to be invisible?) in the following Plot 2 on the right:
Plot 1 and 2
data and code:
g <- make_ring(10)
plot(g,vertex.size = 0) # plot 1
plot(g,vertex.size = (-1)) # plot 2
GGamba :
I think what you want can be achieved using multiple vertex options:
library(igraph)
#>
#> Attaching package: 'igraph'
#> The following objects are masked from 'package:stats':
#>
#> decompose, spectrum
#> The following object is masked from 'package:base':
#>
#> union
g <- make_ring(10)
plot(g,
vertex.shape = 'none',
vertex.size = 0,
vertex.label= NA)
Created on 2020-04-03 by the reprex package (v0.3.0)
For other options see help("igraph.plotting")
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