Some background: the link shows an example of a GPS track in the Swiss Alps (Engadin valley). The web app dynamically creates 3D models from any GPS track, you

Some background: the link shows an example of a GPS track in the Swiss Alps (Engadin valley). The web app dynamically creates 3D models from any GPS track, you can try it yourself on https://cubetrek.com https://cubetrek.com And everything is open source, of course: https://github.com/r-follador/CubeTrek https://github.com/r-follador/CubeTrek