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spatstat.geom (version 3.3-2)

zapsmall.im: Rounding of Pixel Values

Description

Modifies a pixel image, identifying those pixels that have values very close to zero, and replacing the value by zero.

Usage

zapsmall.im(x, digits)

Value

Another pixel image.

Arguments

x

Pixel image (object of class "im").

digits

Argument passed to zapsmall indicating the precision to be used.

Author

Ege Rubak rubak@math.aau.dk and Adrian Baddeley Adrian.Baddeley@curtin.edu.au

Details

The function zapsmall is applied to each pixel value of the image x.

See Also

Examples

Run this code
  Z <- as.im(function(x,y) { exp(-40*(x+y)) }, square(1), dimyx=32)
  zapsmall.im(Z)

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