R: Convert Pixel Image to Data Frame

as.data.frame.im {spatstat.geom} | R Documentation

## Convert Pixel Image to Data Frame

### Description

Convert a pixel image to a data frame

### Usage

      ## S3 method for class 'im'
    as.data.frame(x, ...)

### Arguments

`x` | A pixel image (object of class `"im"`).
`...` | Further arguments passed to `as.data.frame.default` to determine the row names and other features.

### Details

This function takes the pixel image `x` and returns a data frame with three columns containing the pixel coordinates and the pixel values.

The data frame entries are automatically sorted in increasing order of the `x` coordinate (and in increasing order of `y` within `x`).

### Value

A data frame.

### Author(s)

Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk.

### Examples

       # artificial image
       Z <- setcov(square(1))

       Y <- as.data.frame(Z)

       head(Y)

[Package spatstat.geom version 2.2-0 Index]