spatstat (version 1.40-0)

Extract.owin: Extract Subset of Window

Description

Extract a subset of a window.

Usage

## S3 method for class 'owin':
[(x, i, \dots)

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.

Value

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

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).

See Also

intersect.owin

Examples

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

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