spatstat (version 1.20-2)

as.data.frame.im: 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.

Value

• A data frame

Details

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

Examples

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

   Y <- as.data.frame(Z)

   head(Y)