The assets involved are so epic much of the image data has to be streamed from servers, even after a 100GB installation. Combine these techniques, and add some of the most realistic clouds ever rendered, and you end up with Microsoft Flight Simulator. Other parts of the world, most notably airports, were filled-in manually by developer Asobo Studio. Microsoft Flight Simulator quirks provide an idea of how its world generation works VIdarCR This offers a clean 3D-modelled environment at any elevation, aside from the odd glitch like a 212-floor monolithic structure looming over MelbourneвЂ™s suburbs. The game uses OpenStreetMap data to determine the characteristics of buildings, filling in towns with suitable models. Other buildings and cities are populated using procedural generation.

This results in incredible-looking skylines as you fly by, but it tends to look rough down at street level. The buildings of New York City, for example, are extruded by analysing photos. Hundreds of key cities are also mapped using intense photogrammetry. When paired with terrain elevation data you already end up with a good-looking environment at 10,000 feet. Satellite imagery from Bing Maps is used as the base. How Microsoft Flight Simulator WorksДЇour sets of techniques are used to map Microsoft Flight SimulatorвЂ™s version of Earth. But to get an idea of how this might work, a look at how Microsoft Flight SimulatorвЂ™s world is made is needed. The techniques used in Microsoft Flight Simulator could, and should, be used to level up this kind of immersive exercise.

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