LUV {colorspace}  R Documentation 
Create LUV Colors
Description
This function creates colors of class “LUV”; a subclass of the virtual
colorclass
class.
Usage
LUV(L, U, V, names)
Arguments
L , U , V 
these arguments give the L, U and V coordinates of the colors.
The values can be provided in separate 
names 
a vector of names for the colors (by default the row names of

Details
The L
, U
and V
values give the coordinates of the
colors in the CIE (1976) L^*u^*v^*
space. This is a
transformation of the 1931 CIE XYZ space which attempts to produce
perceptually based axes. Luminance takes values between 0 and 100, and the other coordinates
typically take values between 100 and 100, although these values can also
be exceeded by highly saturated colors. The u
and v
coordinates measure positions on green/red and blue/yellow axes.
Value
An object of class LUV
which inherits from class color
.
Author(s)
Ross Ihaka
See Also
RGB
, HSV
, XYZ
,
LAB
, polarLAB
, polarLUV
.
Examples
## Show the LUV space
set.seed(1)
x < sRGB(runif(1000), runif(1000), runif(1000))
y < as(x, "LUV")
head(x)
head(y)
plot(y)