colorRampAlpha: color ramp palette with transparency

Description Usage Arguments Details Value Examples

Description

color ramp palette with transparency

Usage

1
colorRampAlpha(..., n, alpha)

Arguments

...

arguments to pass to colorRampPalette.

n

number of colors in palette

alpha

alpha channel (opacity) value [0;1]

Details

for details see colorRamp and colorRampPalette

Value

colorRampAlpha returns a vector of defined colors with transparency interpolating the given sequence.

Examples

1
2
library(RColorBrewer)
colorRampAlpha(brewer.pal(9,"PuOr"), n = 10, alpha=.5)

JBrenn/Helper4me documentation built on May 7, 2019, 6:49 a.m.