xyz_to_hsl

A fast and adaptable tool to convert photos and images into usable colour schemes for data visualisation. Contains functionality to extract colour palettes from images, as well for the conversion of images between colour spaces.

Stuart Morrison

schemr

Convert Images to Usable Color Schemes

xyz_to_hsl function

<dl><dt>xyz</dt>
<dd>A dataframe or matrix with X, Y and Z colour channels located in the columns 1 to 3, respectively.</dd>
<dt>transformation</dt>
<dd>An option in <code>c("sRGB", "Adobe")</code> for a built-in transformation or, alternatively, a custom 3x3 transformation matrix.</dd>
<dt>linear_func</dt>
<dd>A function to convert RGB colour space into linear RGB space. Used only if a custom transformation matrix is provided. Transformation skips if no function is provided under a user-defined transformation matrix. See: https://en.wikipedia.org/wiki/SRGB.</dd></dl>

Arguments

Convert XYZ to HSL — xyz_to_hsl

<dl>

<dt>xyz</dt>
<dd>A dataframe or matrix with X, Y and Z colour channels located in the columns 1 to 3, respectively.</dd>


<dt>transformation</dt>
<dd>An option in <code>c("sRGB", "Adobe")</code> for a built-in transformation or, alternatively, a custom 3x3 transformation matrix.</dd>


<dt>linear_func</dt>
<dd>A function to convert RGB colour space into linear RGB space. Used only if a custom transformation matrix is provided. Transformation skips if no function is provided under a user-defined transformation matrix. See: https://en.wikipedia.org/wiki/SRGB.</dd>

</dl>

xyz_to_hsl: Convert XYZ to HSL

Description

Usage

Value

Arguments