Generates the components of a colorbar for an individual voxelcoordinate and overlay

colorbar(
  lut,
  min,
  max = -min,
  nticks = 11,
  ticks = seq(min, max, len = nticks),
  title = ""
)

Arguments

lut: previously generated lut file
min: minimum value for the colorbar
max: maximum value for the colorbar (default is the negative of the minimum)
nticks: number of desired tick marks
ticks: vector of ticks
title: title of the colorbar