Last data update: 2014.03.03
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R: constructs color palettes with sharp breaks
rgb.tables | 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
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red |
a length 3 vector with values mid , sill and base
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green |
same as red
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blue |
same as red
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mid |
table center on (0, 1)
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sill |
width of table top on (0, 1)
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base |
width of table base on (0, 1)
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height |
sill height on (0, 1)
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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)
Results
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