Demo of GPS visualization with ELM programming language: http://elm-lang.org/
Demo site: http://geo-elm.bitballoon.com/
3 minutes demo on Youtube: https://www.youtube.com/watch?v=Y9Aj7IAtgtE
This is a prove-of-concept project to see how Functional Reactive Programming (FRP) could be introduced to GIS world and improve user experience with interactive UI and smooth animation.
Map projection code is ported from Python code from:http://www.maptiler.org/google-maps-coordinates-tile-bounds-projection/
Tile server: http://tile.openstreetmap.org/