xyz_to_rgb {schemr}

Convert from RGB colour channels to XYZ space.

Description

Convert from RGB colour channels to XYZ space.

Usage

xyz_to_rgb(xyz, transformation = "sRGB", linear_func = NULL)

Arguments

xyz

A dataframe or matrix with X, Y and Z colour channels located in the columns 1 to 3, respectively.

transformation

An option in c("sRGB", "Adobe") for a built-in transformation or, alternatively, a custom 3x3 transformation matrix.

linear_func

A function to convert linear RGB colour space into 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.

Value

A tibble of red, green and blue colour channels.

Examples

x <- sample(x = 40:60, size = 10, replace = TRUE)
y <- sample(x = 40:60, size = 10, replace = TRUE)
z <- sample(x = 40:60, size = 10, replace = TRUE)
xyz_to_rgb(data.frame(x = x, y = y, z = z))