methods.layered {spatstat} | R Documentation |
Methods for geometrical transformations of
layered objects (class "layered"
).
## S3 method for class 'layered' shift(X, vec=c(0,0), ...) ## S3 method for class 'layered' rotate(X, ..., centre=NULL) ## S3 method for class 'layered' affine(X, ...) ## S3 method for class 'layered' reflect(X) ## S3 method for class 'layered' flipxy(X) ## S3 method for class 'layered' rescale(X, s, unitname) ## S3 method for class 'layered' scalardilate(X, ...)
X |
Object of class |
... |
Arguments passed to the relevant methods
when applying the operation to each layer of |
s |
Rescaling factor passed to the relevant method for
|
vec |
Shift vector (numeric vector of length 2). |
centre |
Centre of rotation.
Either a vector of length 2, or a character string
(partially matched to |
unitname |
Optional. New name for the unit of length.
A value acceptable to the function |
These are methods for the generic functions
shift
,
rotate
,
reflect
,
affine
,
rescale
,
scalardilate
and
flipxy
for the class of layered objects.
A layered object represents data that should be plotted in
successive layers, for example, a background and a foreground.
See layered
.
Another object of class "layered"
.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au
and Rolf Turner r.turner@auckland.ac.nz
L <- layered(letterR, runifpoint(20, letterR)) plot(L) plot(rotate(L, pi/4))