tweak.colourmap: Change Colour Values in a Colour Map

In spatstat.geom: Geometrical Functionality of the 'spatstat' Family

Change Colour Values in a Colour Map

Description

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

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").

Author(s)

\spatstatAuthors

.

See Also

colourmap, interp.colourmap, colouroutputs, colourtools.

Examples

  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"))

spatstat.geom documentation built on Oct. 20, 2023, 9:06 a.m.