给定一个分数向量(在域 [0:1] 上),我想绘制刚刚部分填充的顶点。即,如果分数是 1/2,则相应的顶点应该是半填充的(半球体),即如果分数是 1/4,则相应的顶点仅在四分之一(四分之一球体)中,依此类推......
library('igraph')
N <- 10
g <- graph.full(N)
values <- runif(N,0,1) # vector of fractions
V(g)$shape <-'circle'
plot.igraph(g,...)
例如: http://www.google.ch/imgres?q=three+quarter-filled+circle&um=1&hl=de&sa=N&biw=1024&bih=751&tbm=isch&tbnid=fCz7FZ6JG38DzM:&imgrefurl=http: //www.clipartstation.com /clipart_indexer4/index/search%3Fkeywords%3DART&docid=UPphGFugM1pYGM&imgurl=http://www.clipartstation.com/clipart/resized/Math/Transformations/__100x100//three%252520quarters%252520blue%252520circle.gif&w=100&h=99&ei=ETsNUNDeHbCL4gTTrjACg&zoom= 1&iact=rc&dur=331&sig=101088608959992434501&page=1&tbnh=79&tbnw=80&start=0&ndsp=24&ved=1t:429,r:8,s:0,i:97&tx=49&ty=38