大概是一个简单的。
有没有办法消除 ggforce::geom_arc_bar 饼图中的边界线?
pie <- data.frame(
state = c('eaten', 'eaten but said you didn\'t', 'cat took it',
'for tonight', 'will decompose slowly'),
focus = c(0.2, 0, 0, 0, 0),
start = c(0, 1, 2, 3, 4),
end = c(1, 2, 3, 4, 2*pi),
amount = c(4,3, 1, 1.5, 6),
stringsAsFactors = FALSE
)
ggplot(pie) +
geom_arc_bar(aes(x0 = 0, y0 = 0, r0 = 0, r = 1, amount = amount,
fill = state, explode = focus), stat = 'pie') +
scale_fill_brewer('', palette = 'Set1') +
coord_fixed()
例如,在上图中,要么消除黑色边框线,要么使其颜色与填充颜色相同?
还有一个问题,是否可以只从馅饼的周边消除边界线?那么只有切片的分界线会保留吗?