as.function.im

0th

Percentile

Convert Pixel Image to Function of Coordinates

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

Keywords
manip, spatial
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 Rlanguage, also belonging to the class "funxy".

See Also

[.im

Aliases
  • as.function.im
Examples
d <- density(cells)
  f <- as.function(d)
  f(0.1, 0.3)
Documentation reproduced from package spatstat, version 1.42-2, License: GPL (>= 2)

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