padimage {spatstat}R Documentation

Pad the Border of a Pixel Image

Description

Fills the border of a pixel image with a given value or values.

Usage

padimage(X, value, n=1)

Arguments

X

Pixel image (object of class "im").

value

Single value to be placed around the border of X.

n

Width of border, in pixels.

Details

The image X will be expanded by a margin of n pixels, with their values set to value.

The argument value should be a single value (a vector of length 1), normally a value of the same type as the pixel values of X. It may be NA. Alternatively if X is a factor-valued image, value can be one of the levels of X.

Value

Another object of class "im", of the same type as X.

Author(s)

Adrian Baddeley Adrian.Baddeley@uwa.edu.au http://www.maths.uwa.edu.au/~adrian/ Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk

See Also

im

Examples

 Z <- setcov(owin())
 plot(padimage(Z, 1, 10))

[Package spatstat version 1.38-1 Index]