pamslice — Extract one line of values out of a PAM image. More information: <https://netpbm.sourceforge.net/doc

Print the values of the pixels in the n'th row in a table

pamslice {{[-r|-row]}} {{n}} {{path/to/image.pam}}

Print the values of the pixels in the n'th column in a table

pamslice {{[-c|-column]}} {{n}} {{path/to/image.pam}}

Consider the m'th plane of the input image only

pamslice {{[-r|-row]}} {{n}} -plane {{m}} {{path/to/image.pam}}

Produce output in a format suitable for input to an `xmgr` for visualisation

pamslice {{[-r|-row]}} {{n}} {{[-x|-xmgr]}} {{path/to/image.pam}}