# Extract.owin

0th

Percentile

##### Extract Subset of Window

Extract a subset of a window.

Keywords
manip, spatial
##### Usage
# S3 method for 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").

intersect.owin

• [.owin
##### Examples
# NOT RUN {
W <- owin(c(2.5, 3.2), c(1.4, 2.9))
plot(letterR)