Some sample shots can be found here: https://imgur.com/a/7YJvbkD Why: The motivation behind this was to create a stereographic projection of maps with realistic light so I can use them for doomiablo, a Doom Diablo crossover: https://www.youtube.com/watch?v=YqWWeb5nitc How: Extracting the data out of the doom maps and rearranging it such that the raycaster POV-ray can use it to render the map with light sources.   Do you like it?