spatstat (version 1.42-1)

as.function.im: 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.

Value

  • A function in the Rlanguage, also belonging to the class "funxy".

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.

See Also

[.im

Examples

Run this code
d <- density(cells)
  f <- as.function(d)
  f(0.1, 0.3)

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