R: add alpha level to color that lacks one

AddAlpha {RgoogleMaps} | R Documentation

## add alpha level to color that lacks one

### Description

add alpha level to color that lacks one

### Usage

    AddAlpha(plotclr, alpha = 0.5, verbose = 0)

### Arguments

`plotclr` | color to be modified
`alpha` | alpha level
`verbose` | level of verbosity

### Value

modified color with alpha value

### Author(s)

Markus Loecher

### Examples

    #example:
    #require(RColorBrewer)
    if (requireNamespace("RColorBrewer", quietly = TRUE)) {
      plotclr <- RColorBrewer::brewer.pal(8,"YlOrRd")
      plotclr = AddAlpha(plotclr,0.5)
    } else {
      print("package RColorBrewer must be installed for this example")
    }

[Package RgoogleMaps version 1.4.1 Index]