Stacker

This is a photographic effect. It takes a JPG and translates it into five-tone greyscale, then renders those tones using horizontal lines. It looks a little like an etching.

Example

Input

Output

Setup

Install Nix then:

$ nix-shell --run 'cabal run -- --input ./some-image.jpg --output ./some-converted-image.jpg'

That should be all you need.