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2011 Aug 09
1
Transparent color ramp problem
...s using colorRampPalette(). I am able to use the resulting colour ramp, but it has no transparency.
# Make terrain colour ramp
rgb7 <- rgb(red=0, green=255, blue=77, alpha = 0.5, maxColorValue = 255)
rgb8 <- rgb(red=26, green=255, blue=0, alpha = 0.5, maxColorValue = 255)
rgb9 <- rgb(red=128, green=255, blue=0, alpha = 0.5, maxColorValue = 255)
rgb10 <- rgb(red=230, green=255, blue=0, alpha = 0.5, maxColorValue = 255)
rgb11 <- rgb(red=255, green=255, blue=0, alpha = 0.5, maxColorValue = 255)
rgb12 <- rgb(red=255, green=229, blue=60, alpha =...