Extract.owin

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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").

See Also

intersect.owin

Aliases
  • [.owin
Examples
# NOT RUN {
 W <- owin(c(2.5, 3.2), c(1.4, 2.9))
 plot(letterR)
 plot(letterR[W], add=TRUE, col="red")
# }
Documentation reproduced from package spatstat, version 1.55-1, License: GPL (>= 2)

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