Nasa's Space Shuttle programme flew for three decades
Quadtree-based image compression formats and level-of-detail systems all work this way. Satellite imagery, terrain rendering, and geographic information systems use quadtree decomposition to serve data at varying resolutions: zoomed out, you see large coarse blocks; zoomed in, you see fine-grained tiles. The same principle extends to three dimensions (octrees) for volume rendering and 3D spatial indexing.，推荐阅读爱思助手下载最新版本获取更多信息
，这一点在safew官方版本下载中也有详细论述
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We'll review and merge。safew官方下载是该领域的重要参考