pamtosrf
converts PAM images to SRF format used for custom vehicle icons on Garmin GPS
TLDR
Convert PAM to SRF format
$ pamtosrf [input.pam] > [output.srf]
SYNOPSIS
pamtosrf [file]
DESCRIPTION
pamtosrf converts PAM images to SRF (Garmin vehicle image) format used for custom vehicle icons on Garmin GPS devices. Part of Netpbm toolkit.
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