color.bar: Graphic Representation of a Color bar, function written by John Colby

Description

Graphic Representation of a Color bar, function written by John Colby

Usage

color.bar(
  lut,
  min,
  max = -min,
  nticks = 11,
  ticks = seq(min, max, len = nticks),
  title = "",
  width = 1.75,
  height = 5,
  ncolmax = 100,
  digits = 4,
  pdf = NULL
)

Arguments

lut: see reference https://stackoverflow.com/questions/9314658/colorbar-from-custom-colorramppalette
min: see reference https://stackoverflow.com/questions/9314658/colorbar-from-custom-colorramppalette
max: see reference https://stackoverflow.com/questions/9314658/colorbar-from-custom-colorramppalette
nticks: see reference https://stackoverflow.com/questions/9314658/colorbar-from-custom-colorramppalette
ticks: see reference https://stackoverflow.com/questions/9314658/colorbar-from-custom-colorramppalette
title: see reference https://stackoverflow.com/questions/9314658/colorbar-from-custom-colorramppalette
width, height: width and height of the device
ncolmax: maximum number of colors. Default is 100.
digits: specified number of significant digits
pdf: character value for pdf output file. Default is NULL and no pdf file is created.

Author

John Colby https://stackoverflow.com/users/412342/john-colby

References

https://stackoverflow.com/questions/9314658/colorbar-from-custom-colorramppalette

Examples

Run this code

color.bar(colorRampPalette(c("light green", "yellow", "orange", "red"))(100), -1)

Run the code above in your browser using DataLab