continuous variable
ggplot(vis.data, aes(x=col, y=row, color = Bnip3l)) + geom_point() + theme_void()+
# scale_discrete_manual()
# scale_color_manual( colorRampPalette(c("blue","white","green"))(12) #针对分类变量
scale_color_continuous(
low = "blue",
high = "green"
)
Categorical variables
scale_color_manual
scale_colour_gradient(
...,
low = "#132B43",
high = "#56B1F7",
space = "Lab",
na.value = "grey50",
guide = "colourbar",
aesthetics = "colour"
)
scale_fill_gradient(
low = "blue",
high = "red",
space = "Lab",
na.value = "grey50",
guide = "colourbar",
aesthetics = "color" #fill
)
library(ggplot2)
ggplot(subset_data@meta.data,
aes(x=Idents(subset_data),fill=DNM3OS_expr > 0)) + geom_bar(position = "fill") +
scale_fill_manual(values = c("royalblue", "red"))#scale_fill_gradientn(colors = colorRampPalette(c("royalblue", "firebrick3"))(12))#colorRampPalette(c("royalblue","firebrick3"))(2)
