as.function.im: Convert Pixel Image to Function of Coordinates

In spatstat.geom: Geometrical Functionality of the 'spatstat' Family

Convert Pixel Image to Function of Coordinates

Description

Converts a pixel image to a function of the x and y coordinates.

Usage

 ## S3 method for class 'im'
as.function(x, ...)

Arguments

x	Pixel image (object of class "im").
...	Ignored.

Details

This command converts a pixel image (object of class "im") to a function(x,y) where the arguments x and y are (vectors of) spatial coordinates. This function returns the pixel values at the specified locations.

Value

A function in the R language, also belonging to the class "funxy".

Author(s)

\adrian \rolf

and \ege

See Also

[.im

Examples

  d <- setcov(square(1))
  f <- as.function(d)
  f(0.1, 0.3)

spatstat.geom documentation built on Nov. 5, 2025, 6:49 p.m.