我有两张ggplot2::geom_pologon
号的,里面装满了半透明的 colored颜色 .
我希望用相同的Alpha显示密钥,但它不是.
该解决方案将理想地zoom ,以便当我添加具有相同填充和Alpha colored颜色 的其他多边形时,匹配保持不变.
示例代码:
chosen_alpha = 0.2
ggplot() +
theme_minimal() +
geom_polygon(
aes(
fill = "A",
x = c(1, 2, 2),
y = c(1, 1, 2)
),
alpha = chosen_alpha
) +
geom_polygon(
aes(
fill = "A",
x = c(3, 4, 4),
y = c(3, 3, 4)
),
alpha = chosen_alpha
) +
guides(
fill = guide_legend(
override.aes = list(
alpha = chosen_alpha
),
)
)
如果我只有一个多边形,这是可行的,如下所示.
chosen_alpha = 0.2
ggplot() +
theme_minimal() +
geom_polygon(
aes(
fill = "A",
x = c(1, 2, 2),
y = c(1, 1, 2)
),
alpha = chosen_alpha
) +
guides(
fill = guide_legend(
override.aes = list(
alpha = chosen_alpha
),
)
)