Weather themes, complex clouds - and sky structures, textures and autogen: The AFS - World & City package contains a comprehensive package at new sky effects and textures, that the Flight Simulator comprehensively improve. Those are exchanged standard autogen textures with new revised textures and adapted to the respective world area. The term " Texture" Mapping designates a procedure of the computer-generated graphic or 3D model. It serves for it to equip the surfaces of three-dimensional surface models with two-dimensional pictures - so-called „textures "- and surface properties. Textures let computer-generated pictures appear more highly detailed and more realistic, without the underlying model must be refined. Weather themes, complex clouds - and sky structures for FSX: