get_col_palette: Get color palette in the form of colorRampPalette functions.

In kazeera/hourglass: This Package Provides Visualizations of Annotated Numeric Data

Get color palette in the form of colorRampPalette functions.

Description

Get color palette in the form of colorRampPalette color interpolation functions. Use with get_col_gradient() or get_element_colors() from this package.

Usage

get_col_palette(brew_pal = NA, custom = NA, rev = F)

Arguments

brew_pal	character string or NA. Exact name of RColorBrewer palette. e.g. "RdBu".
custom	Na or character vector with colors specifying palette order. e.g. c("red", "white", "blue"). Any hex codes or R colors (see colors()) can be used.
rev	logical; should the brew_pal color palette order be reversed?

Details

Only one of the parameters (brew_pal or custom) must be specified (not NA), otherwise function will use custom only.

Value

A colorRampPalette color interpolation functions.

The two lines of code below are equivalent

get_col_palette(brew_pal = "RdBu") colorRampPalette(RColorBrewer::brewer.pal(9, "RdBu")) #' # Reverse the palette (i.e. blue to red) get_col_palette(brew_pal = "RdBu", rev = T)

get_col_palette(custom = c("forestgreen", "darkorchid4")) colorRampPalette(c("forestgreen", "darkorchid4"))

See Also

colorRampPalette function from grDevices. See ?colorRampPalette.

kazeera/hourglass documentation built on April 5, 2025, 7:18 a.m.