width
和
height
第二个情节,但这似乎奏效了:
p <- qplot(1:10)
library(grid)
grid.newpage()
print(p, vp=viewport(0, 0, width = unit(0.5, "npc"), just = c('left', 'bottom')))
print(p, vp=viewport(0.5, 0, angle = 90, height = unit(0.8, "npc"), width = 0.55, just = c('left', 'top')))