R: Alphablending for colors

alphablend {VIM} | R Documentation

## 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.

### Author(s)

Andreas Alfons

### Examples

    alphablend("red", 0.6)

[Package VIM version 6.0.0 Index]