colasc {adehabitat} | R Documentation

## Creates a Vector of Colors for a Raster Map of Type 'factor'

### Description

`colasc` creates a vector of colors for a raster map of class `asc` and of type `"factor"`.

### Usage

    colasc(x, ...)

### Arguments

`x` | an object of class `asc`.
`...` | arguments named as the levels of the factor, with character values equal to the colors for these levels (see examples)

### Value

Returns a character vector.

### Author(s)

Clément Calenge calenge@biomserv.univ-lyon1.fr

### See Also

`import.asc`

### Examples

    data(puechabon)

    ## gets the aspect in an asc object
    asp <- getkasc(puechabon$kasc, "Aspect")

    ## creates the vector of colors
    cl <- colasc(asp, NorthEast = "blue", SouthEast = "red",
                 SouthWest = "orange", NorthWest = "green")

    ## graphical display
    image(asp, clfac = cl, main = "Aspect", xlab = "Lambert X",
          ylab = "Lambert Y")
    legend(706500, 3162000, legend=levels(asp), fill = cl, cex = 0.7)

[Package adehabitat version 1.4 Index]