dot-add.alpha: Add opacity (alpha) to a vector of colours

.add.alphaR Documentation

Add opacity (alpha) to a vector of colours

Description

Add opacity (alpha) to a vector of colours

Usage

.add.alpha(old.colours, alpha)

Arguments

old.colours

colour vector

alpha

opacity ratio (1 - perfectly opaque, 0- perfectly transparent)

Value

the new colour vector with alpha


sib-swiss/dsSwissKnifeClient documentation built on July 16, 2025, 6:25 p.m.