Frame

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Extract or Change the Containing Rectangle of a Spatial Object

Given a spatial object (such as a point pattern or pixel image) in two dimensions, these functions extract or change the containing rectangle inside which the object is defined.

Keywords
manip, spatial
Usage
Frame(X)

## S3 method for class 'default': Frame(X)

Frame(X) <- value

## S3 method for class 'owin': Frame(X) <- value

## S3 method for class 'ppp': Frame(X) <- value

## S3 method for class 'im': Frame(X) <- value

Arguments
X
A spatial object such as a point pattern, line segment pattern or pixel image.
value
A rectangular window (object of class "owin" of type "rectangle") to be used as the new containing rectangle for X.
Details

The functions Frame and Frame<- are generic.

Frame(X) extracts the rectangle inside which X is defined.

Frame(X) <- R changes the rectangle inside which X is defined to the new rectangle R.

Value

  • The result of Frame is a rectangular window (object of class "owin" of type "rectangle").

    The result of Frame<- is the updated object X, of the same class as X.

See Also

Window

Aliases
  • Frame
  • Frame<-
  • Frame.default
  • Frame<-.owin
  • Frame<-.ppp
  • Frame<-.im
Examples
Frame(cells)
   X <- demopat
   Frame(X)
   Frame(X) <- owin(c(0, 11000), c(400, 8000))
Documentation reproduced from package spatstat, version 1.42-2, License: GPL (>= 2)

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