tweak.colourmap

0th

Percentile

Change Colour Values in a Colour Map

Assign new colour values to some of the entries in a colour map.

Keywords
color, spatial
Usage
tweak.colourmap(m, col, ..., inputs=NULL, range=NULL)
Arguments
m

A colour map (object of class "colourmap").

inputs

Input values to the colour map, to be assigned new colours. Incompatible with range.

range

Numeric vector of length 2 specifying a range of numerical values which should be assigned a new colour. Incompatible with inputs.

col

Replacement colours for the specified inputs or the specified range of values.

Other arguments are ignored.

Details

This function changes the colour map m by assigning new colours to each of the input values specified by inputs, or by assigning a single new colour to the range of input values specified by range.

The modified colour map is returned.

Value

Another colour map (object of class "colourmap").

See Also

colourmap, interp.colourmap, colouroutputs, colourtools.

Aliases
  • tweak.colourmap
Examples
# NOT RUN {
  co <- colourmap(rainbow(32), range=c(0,1))
  plot(tweak.colourmap(co, inputs=c(0.5, 0.6), "white"))
  plot(tweak.colourmap(co, range=c(0.5,0.6), "white"))
# }
Documentation reproduced from package spatstat, version 1.56-1, License: GPL (>= 2)

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