spatstat (version 1.42-2)

WindowOnly: Extract Window of Spatial Object

Description

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.

Usage

## S3 method for class 'ppm':
Window(X, \dots, from=c("points", "covariates"))
 ## S3 method for class 'kppm':
Window(X, \dots, from=c("points", "covariates"))
 ## S3 method for class 'lpp':
Window(X, \dots)
 ## S3 method for class 'lppm':
Window(X, \dots)
 ## S3 method for class 'msr':
Window(X, \dots)
 ## S3 method for class 'quad':
Window(X, \dots)
 ## S3 method for class 'quadratcount':
Window(X, \dots)
 ## S3 method for class 'quadrattest':
Window(X, \dots)
 ## S3 method for class 'tess':
Window(X, \dots)
 ## S3 method for class 'layered':
Window(X, \dots)
 ## S3 method for class 'distfun':
Window(X, \dots)
 ## S3 method for class 'nnfun':
Window(X, \dots)
 ## S3 method for class 'funxy':
Window(X, \dots)
 ## S3 method for class 'rmhmodel':
Window(X, \dots)
 ## S3 method for class 'leverage.ppm':
Window(X, \dots)
 ## S3 method for class 'influence.ppm':
Window(X, \dots)

Arguments

X

A spatial object.

...

Ignored.

from

Character string. See Details.

Value

• An object of class "owin" (see owin.object) specifying an observation window.

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 point process model (object of class "ppm" or "kppm"). 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.

See Also

Window, Window.ppp, Window.psp. owin.object

Examples

X <- quadratcount(cells, 4)
   Window(X)