to choose map colours for classified data

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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

1
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.

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