darken

Darken or lighten colors by adding/subtracting to or hsv channel values

Contains various tools for conveniently downloading and editing taxon-specific datasets from the Paleobiology Database <https://paleobiodb.org>, extracting information on abundance, temporal distribution of subtaxa and taxonomic diversity through deep time, and visualizing these data in relation to phylogeny and stratigraphy.

Darius Nau

paleoDiv

Extracting and Visualizing Paleobiodiversity

darken function

<dl><dt>x</dt>
<dd>Color value or vector of colors</dd>
<dt>add</dt>
<dd>Value to be added to the third hsv-channel. Can be a vector of length x, or a vector of any length if length(x)==1</dd>
<dt>abs</dt>
<dd>Value to substitute for the third hsv-channel. If set, this overrides the setting for parameter add. Can be a vector of length x, or a vector of any length if length(x)==1</dd></dl>

Arguments

Darken or lighten colors by adding/subtracting to or hsv channel values — darken

<dl>

<dt>x</dt>
<dd>Color value or vector of colors</dd>


<dt>add</dt>
<dd>Value to be added to the third hsv-channel. Can be a vector of length x, or a vector of any length if length(x)==1</dd>


<dt>abs</dt>
<dd>Value to substitute for the third hsv-channel. If set, this overrides the setting for parameter add. Can be a vector of length x, or a vector of any length if length(x)==1</dd>

</dl>

darken: Darken or lighten colors by adding/subtracting to or hsv channel values

Description

Usage

Value

Arguments

Examples