These are methods for the generic functions
plot
,
contour
and persp
for the class "funxy"
of spatial functions.
Objects of class "funxy"
are created, for example,
by the commands distfun
and funxy
.
The plot
, contour
and persp
methods first convert
x
to a pixel image object using as.im
,
then display it using plot.im
, contour.im
or
persp.im
.
Additional arguments …
are either
passed to as.im.function
to
control the spatial resolution of the pixel image, or passed to
contour.im
,
persp.im
or
plot.im
to control the appearance of the plot.