demo: http://plopbyte.com/demojs-fff/
credits: http://plopbyte.com/demojs-fff/#credits

tool used:
gnuplot
mathgl/udav
octave
distancemapgenerator https://github.com/cedricpinson/DistanceMapGenerator
timeline.js https://github.com/cedricpinson/timeline.js
osgjs https://github.com/cedricpinson/osgjs

