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.
Design principles
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有街坊萬分著緊，擔心自己的回應會左右政府權衡安置方案；他則抱持一種「填完就算」的心態，在幾個方案之間也回覆「未決定」。
Sian Cleaver from Airbus says the safety of the astronauts is the top priority