spatstat (version 1.3-3)

im.object: Class of Images

Description

A class "im" to represent a two-dimensional pixel image.

code

image.default(xcol, yrow, t(im))

tabular

ll

tab

matrix of values dim dimensions of matrix v xrange range of $x$ coordinates of image window yrange range of $y$ coordinates of image window xstep width of one pixel ystep height of one pixel xcol vector of $x$ coordinates of centres of pixels yrow vector of $y$ coordinates of centres of pixels

bold

• row
• y
• x

Warnings

The internal representation of images is likely to change in the next release of this package.

Details

An object of this class represents a two-dimensional pixel image. It specifies

• the dimensions of the rectangular array of pixels
• $x$and$y$coordinates for the pixels
• a numeric value (``grey value'') at each pixel

See Also

im, Kmeasure, setcov