as.matrix.owin

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Convert Pixel Image to Matrix

Converts a pixel image to a matrix.

Keywords
methods, spatial
Usage
## S3 method for class 'owin':
as.matrix(x, ...)
Arguments
x
A window (object of class "owin").
...
Arguments passed to as.mask to control the pixel resolution.
Details

The function as.matrix.owin converts a window to a logical matrux.

It first converts the window x into a binary pixel mask using as.mask. It then extracts the pixel entries as a logical matrix.

The resulting matrix has entries that are TRUE if the corresponding pixel is inside the window, and FALSE if it is outside. The function as.matrix is generic. The function as.matrix.owin is the method for windows (objects of class "owin").

Use as.im to convert a window to a pixel image.

Value

  • A logical matrix.

See Also

as.matrix.im, as.im

Aliases
  • as.matrix.owin
Examples
m <- as.matrix(letterR)
Documentation reproduced from package spatstat, version 1.29-0, License: GPL (>= 2)

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