addColours: addColours

In R-graphic-design/RGD: A package for Graphic Design in R

addColours

Description

A wrapper for colourScheme that can be added to components/layers etc using code like +action.data("addColours").

Usage

addColours(
  numberOfColours = 10,
  scheme = "BW",
  colours = NULL,
  bias = 1,
  space = c("rgb", "Lab"),
  alpha = FALSE,
  interpolate = c("linear", "spline"),
  reverse = FALSE,
  discrete = TRUE,
  randomise = FALSE,
  addColoursName = ".col"
)

Arguments

numberOfColours	The number of colours returned. Defaults to 10.
scheme	The palette or function to use. Used when colours is NULL. Defaults to "BW" for black and white. See details for more information.
colours	A starting set of colours that will be interpolated.
bias	used by colorRampPalette
space	used by colorRampPalette
alpha	used by colorRampPalette
interpolate	used by colorRampPalette
reverse	Reverses the final colour order. Defaults to FALSE
discrete	Defaults to TRUE
randomise	logical. If TRUE randomises the order of the answer. Defaults to FALSE
addColoursName	the name of the parameter in the returned list.

Details

The possible values of scheme are;

• "BW" and "BWrev" for greyscale

• "rainbow" and "rainbowrev" which uses rainbow()

• "heat" and "heatrev" which uses heat.colors()

• "terrain" and "terrainrev" which uses terrain.colors()

• "topo" and "toporev" which uses topo.colors()

• "cm" and "cmrev" which uses cm.colors()

• "BrBG","PiYG","PRGn","PuOr","RdBu","RdGy","RdYlBu", "RdYlGn","Spectral","Accent","Dark2","Paired","Pastel1","Pastel2","Set1", "Set2","Set3","Blues","BuGn","BuPu","GnBu","Greens","Greys","Oranges", "OrRd","PuBu","PuBuGn","PuRd","Purples","RdPu","Reds","YlGn","YlGnBu", "YlOrBr" and "YlOrRd" from the RColorBrewer package

• "plasma", "plasmarev", "viridis", "viridisrev", "magma", "magmarev", "inferno" and "infernorev" from the viridis package.

*"BottleRocket1","BottleRocket2","Rushmore1","Rushmore", "Royal1","Royal2","Zissou1","Darjeeling1", "Darjeeling2","Chevalier1","FantasticFox1","Moonrise1", "Moonrise2","Moonrise3","Cavalcanti1","GrandBudapest1", "GrandBudapest2","IsleofDogs1" and "IsleofDogs2" from the wesanderson package.

The above terms that end in rev overrides the reverse parameter to force reversing the colour scheme.

Value

Returns a named list containing the vector of colours of the given length.

Examples

addColours()

R-graphic-design/RGD documentation built on Jan. 2, 2023, 10:30 p.m.