imager: as.data.frame.cimg – R documentation

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as.data.frame.cimg

Convert a pixel image to a data.frame

This function combines the output of pixel.grid with the actual values (stored in $value)

## S3 method for class 'cimg'
as.data.frame(x, ..., wide = c(FALSE, "c", "d"))

`x`	an image of class cimg
`...`	arguments passed to pixel.grid
`wide`	if "c" or "d" return a data.frame that is wide along colour or depth (for example with rgb values along columns). The default is FALSE, with each pixel forming a separate entry.

a data.frame

Simon Barthelme

#First five pixels
as.data.frame(boats) %>% head(5)
#Wide format along colour axis
as.data.frame(boats,wide="c") %>% head(5)

Image Processing Library Based on 'CImg'

v0.42.10

LGPL-3

Authors

Simon Barthelme [aut], David Tschumperle [ctb], Jan Wijffels [ctb], Haz Edine Assemlal [ctb], Shota Ochi [cre]

Initial release