Learn R Programming

VIM (version 3.0.2)

alphablend: Alphablending for colors

Description

Convert colors to semitransparent colors.

Usage

alphablend(col, alpha = NULL, bg = NULL)

Arguments

col
a vector specifying colors.
alpha
a numeric vector containing the alpha values (between 0 and 1).
bg
the background color to be used for alphablending. This can be used as a workaround for graphics devices that do not support semitransparent colors.

Value

  • a vector containing the semitransparent colors.

Examples

Run this code
alphablend("red", 0.6)

Run the code above in your browser using DataLab