FreeFlight is a C++ project that uses OpenGL to create a dynamic and interactive 3D model of Austria. By utilizing web map tiles, FreeFlight integrates a dynamically loaded digital elevation model and aerial or statellite imagery, allowing users to explore a detailed and realistic landscape. Currently, FreeFlight is limited to Austria by the available high-resolution elevation data, however the scope of the renderer can easily be extended by configuring a different tile server.
The end goal is for FreeFlight to become a flight simulator, allowing the user to fly various airplanes with realistic, physics-based flightmodel over the actual terrain of the world. This feature is still very much work in progress.
Currently, FreeFlight is available as a desktop application for Windows and can be downloaded here for free. Please mind that the whole project is still very much work in progress. I would definitely welcome any feedback, so please don't heasitate to send me an email!