View source: R/annotate_functions.R
draw_circle | R Documentation |
Draw concentric circles
draw_circle(col = "#00BFFF", use = "focus", max.circle)
col |
color of circles |
use |
one of 'focus' or 'cent' |
max.circle |
if use = 'focus' specifies the number of circles to draw |
this function is best used with a concentric layout such as layout_with_focus and layout_with_centrality.
concentric circles around origin
library(igraph) library(ggraph) g <- sample_gnp(10,0.4) ## Not run: ggraph(g,layout = "centrality",centrality = degree(g))+ draw_circle(use = "cent")+ geom_edge_link()+ geom_node_point(shape = 21,fill = "grey25",size = 5)+ theme_graph()+ coord_fixed() ## End(Not run)
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