R: Rounding of Pixel Values

zapsmall.im {spatstat.geom} | R Documentation

## 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)

### Arguments

`x` | Pixel image (object of class `"im"`).
`digits` | Argument passed to `zapsmall` indicating the precision to be used.

### Details

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

### Value

Another pixel image.

### Author(s)

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

### See Also

`zapsmall`

### Examples

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

[Package spatstat.geom version 2.3-2 Index]