tweak.colourmap
From spatstat v1.34-1
by Adrian Baddeley
Change Colour Values in a Colour Map
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 specifiedrange
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
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"))
Community examples
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