Extract.owin {spatstat.geom}

Extract Subset of Window

Description

Extract a subset of a window.

Usage

  ## S3 method for class 'owin'
x[i, ...]

Arguments

x

A spatial window (object of class "owin").

i

Object defining the subregion. Either a spatial window, or a pixel image with logical values.

...

Ignored.

Details

This function computes the intersection between the window x and the domain specified by i, using intersect.owin.

This function is a method for the subset operator "[" for spatial windows (objects of class "owin"). It is provided mainly for completeness.

The index i may be either a window, or a pixel image with logical values (the TRUE values of the image specify the spatial domain).

Value

Another spatial window (object of class "owin").

Author(s)

Adrian Baddeley [e-mail] and Rolf Turner [e-mail]

See Also

intersect.owin

Examples

 W <- owin(c(2.5, 3.2), c(1.4, 2.9))
 plot(letterR)
 plot(letterR[W], add=TRUE, col="red")