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 mid, sill and base
green same as red
blue same as red
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

colorRamp

Examples

table.ramp(10)
rgb.tables(10)

[Package colorRamps version 2.3 Index]