rgb.tables {colorRamps} | R Documentation |
constructs color palettes with sharp breaks
Description
rgb.tables
wraps table.ramp
and simply passes values
supplied in the red
, green
and blue
arguments. table.ramp
makes a color ramp with a flat top.
Usage
rgb.tables(n, red = c(0.75, 0.25, 1), green = c(0.5, 0.25, 1), blue =
c(0.25, 0.25, 1))
table.ramp(n, mid = 0.5, sill = 0.5, base = 1, height = 1)
Arguments
n |
number of colors to generate |
red |
a length 3 vector with values |
green |
same as |
blue |
same as |
mid |
table center on (0, 1) |
sill |
width of table top on (0, 1) |
base |
width of table base on (0, 1) |
height |
sill height on (0, 1) |
Value
rgb.tables
returns a color palette. table.ramp
returns a
simple vector of values.
Author(s)
Timothy H. Keitt
References
Keitt, T. H. (2008) Coherent ecological dynamics induced by large scale disturbance. Nature 454:331-334
See Also
Examples
table.ramp(10)
rgb.tables(10)
[Package colorRamps version 2.3.4 Index]