Turn vector of colors to color vector
Arguments
- col
A
colorsobject (seecolor()) or a vector of any of the three kinds of R color specifications, i.e., either a color name (as listed bygrDevices::colors()), a hexadecimal string (seecol2rgb()), or a positive integerimeaninggrDevices::palette()[i].
Value
A colors object of the same length as col. Returns hex 8 digits
form "#rrggbbaa". See Details.
Details
Alpha values will be automatically added to hexcodes. If no alpha
value is present in col, it will default to no alpha (FF).
Examples
terrain_10 <- color(terrain.colors(10))
terrain_10[1:4]
#> <colors>
#> #00A600FF #2DB600FF #63C600FF #A0D600FF
plot(terrain_10)
plot(terrain_10, labels = TRUE)
grey_10 <- color(gray.colors(10, start = 0, end = 1))
grey_10
#> <colors>
#> #000000FF #5E5E5EFF #818181FF #9B9B9BFF #B0B0B0FF #C3C3C3FF #D4D4D4FF #E3E3E3FF #F2F2F2FF #FFFFFFFF
plot(grey_10, labels = TRUE)
