How-to: Construct petridish plots in R
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Script for petridish layout in R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | library(igraph)
# create empty graph
g <- graph.empty(directed=FALSE)
node_id <- c(1:1000)
# add nodes
g <- add.vertices(g,
nv=1000,
vert_colour=sample(c('blue','red','yellow','green','purple'),1000,replace=T))
# add edges
E <- sample(0:999,2000,replace=T)
g <- add.edges(g,E)
# optimize layout
lay <- layout.fruchterman.reingold(g)
# plot graph
plot(g,layout=lay,vertex.label='',vertex.size=2,vertex.color=V(g)$vert_colour) |
Plot generated for this example:
A sample petridish plot generated in R using the igraph package
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