Extract Window of Spatial Object
Given a spatial object (such as a point pattern or pixel image) in two dimensions, these functions extract the window in which the object is defined.
## S3 method for class 'ppm'
Window(X, ..., from=c("points", "covariates"))
## S3 method for class 'kppm'
Window(X, ..., from=c("points", "covariates"))
## S3 method for class 'dppm'
Window(X, ..., from=c("points", "covariates"))
## S3 method for class 'msr'
Window(X, ...)
## S3 method for class 'quadrattest'
Window(X, ...)
## S3 method for class 'rmhmodel'
Window(X, ...)X |
A spatial object. |
... |
Ignored. |
from |
Character string. See Details. |
These are methods for the generic function Window
which extract the spatial window in which the object X
is defined.
The argument from applies when X is a fitted
two-dimensional point process model
(object of class "ppm", "kppm" or "dppm").
If from="data" (the default),
Window extracts the window of the original point
pattern data to which the model was fitted.
If from="covariates" then Window returns the
window in which the spatial covariates of the model were provided.
An object of class "owin" (see owin.object)
specifying an observation window.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk.
X <- quadratcount(cells, 4) Window(X)
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