transp: Color helpers

In SESman/rbl: Biologging tools for diving predators in R

Description

Set alpha transparency parameter of input colors.

Usage

transp(col, factor = 0.5)

lighter(col, factor = 0.5)

darker(col, factor = 0.5)

Arguments

col	A vector of colors to transform.
factor	A value ranging between 0 and 1 decribing the strenght of the effet.

Value

transparent returns a transparent version of the input colors with an alpha equal to the factor argument.

lighter returns a brightened version of the input colors.

darker returns a darkened version of the input colors.

SESman/rbl documentation built on May 9, 2019, 11:10 a.m.