NASA provides a large database of visual and other data on the planet, and all textures are derived from public domain material on the NASA Visible Earth page. The basic task is simply enough - bring a sphere into the scene and texture it using hires Earth surface imagery. Earthview however shares the Atmosphere simulation with the Atmospheric Light Scattering rendering framework which does a real-time simulation of the most important light scattering processes in air. The Earthview project aims to render orbital visuals for the OpenSource flight simulator Flightgear as the default terrain mesh is intended to provide low altitude visuals and is poorly suited to Earth orbit. Science and Fiction - Earthview Earthview
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