pamstack

combines multiple single-plane images into a multi-plane PAM

TLDR

Stack images as layers

$ pamstack [red.pgm] [green.pgm] [blue.pgm] > [rgb.pam]

Stack with alpha channel

$ pamstack [image.ppm] [alpha.pgm] > [rgba.pam]

SYNOPSIS

pamstack [options] files...

DESCRIPTION

pamstack combines multiple single-plane images into a multi-plane PAM. Creates RGB from separate R, G, B files or adds alpha channel. Part of Netpbm toolkit.

PARAMETERS

files

Input image files (same dimensions).

-tupletype type

Output tuple type.

INSTALL

sudo apt install netpbm

sudo dnf install netpbm

sudo pacman -S netpbm

sudo apk add netpbm

sudo zypper install netpbm

brew install netpbm

nix profile install nixpkgs#netpbm