colToTransp: Adding transparency to a color

In stefpeschel/NetCoMi: Network Construction and Comparison for Microbiome Data

Adding transparency to a color

Description

Adding transparency to a color

Usage

colToTransp(col, percent = 50)

Arguments

col	color vector specified similar to the col argument in col2rgb
percent	numeric between 0 and 100 giving the level of transparency. Defaults to 50.

Examples

# Excepts hexadecimal strings, written colors, or numbers as input
colToTransp("#FF0000FF", 50)
colToTransp("black", 50)
colToTransp(2)

# Different shades of red
r80 <- colToTransp("red", 80)
r50 <- colToTransp("red", 50)
r20 <- colToTransp("red", 20)

barplot(rep(5, 4), col=c("red", r20, r50, r80), names.arg = 1:4)

# Vector as input
rain_transp <- colToTransp(rainbow(5), 50)

barplot(rep(5, 5), col = rain_transp, names.arg = 1:5)

stefpeschel/NetCoMi documentation built on Feb. 4, 2024, 8:20 a.m.