tgatoppm
Convert TGA images to PPM format
TLDR
Convert TGA to PPM
$ tgatoppm [input.tga] > [output.ppm]
Extract alpha channel$ tgatoppm --alphaout=[alpha.pgm] [input.tga] > [output.ppm]
SYNOPSIS
tgatoppm [options] [file]
DESCRIPTION
tgatoppm converts TGA (Targa) images to PPM format. Handles compressed and uncompressed TGA files. Part of Netpbm toolkit.
PARAMETERS
--alphaout file
Write alpha channel to file.