Display Colours Available Using a Set of Strings
Display colours as round patches in a plot. Useful for programming purposes.
Colours can be specified in any of 3 different ways:
(i) by colour name,
(ii) by hexadecimal colour code created by rgb(), or
(iii) by calling one of the colour palettes.
testCol(cnam=colors()[sample(length(colors()),15)])
cnam |
vector of colour names to display. Defaults to 15 random names
from the |
Rowan Haigh, Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo BC
local(envir=.PBSmodEnv,expr={
# mix and match patterns
testCol(c("sky","fire","sea","wood"))
})
local(envir=.PBSmodEnv,expr={
# display transparencies of blue
testCol(rgb(0,0,1,seq(0.05,1,0.05)))
})
local(envir=.PBSmodEnv,expr={
# display colours of the rainbow
testCol(rainbow(64,end=0.75))
})
local(envir=.PBSmodEnv,expr={
# display basic palette colours
testCol(1:length(palette()))
})
local(envir=.PBSmodEnv,expr={
# mix colour types
testCol(c("#9e7ad3", "purple", 6))
})Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.