rwmGetColours {rworldmap}

to choose map colours for classified data

Description

Returns a vector of colours based upon the palette specified and number of colours specified. If colourPalette specifies a number of colours and this is different from numColours, numColours takes precedence and colours are interpolated to make the number fit.

Usage

rwmGetColours(colourPalette, numColours)

Arguments

colourPalette

string describing the colour palette to use, choice of:

1. "palette" for the current palette

2. a vector of valid colours, e.g. =c('red','white','blue') or output from RColourBrewer

3. one of "heat", "diverging", "white2Black", "black2White", "topo", "rainbow", "terrain", "negpos8", "negpos9"

numColours

the number of colour categories desired

Value

A vector specifiying a number of colours.