– Choose ONE specific image for the location and ONE specific image for the view to work with, don’t use multiple images.
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，推荐阅读同城约会获取更多信息
国雅大厦北侧立体停车设施效果图。该大厦紧邻首都儿研所。受访者供图
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，这一点在91视频中也有详细论述
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The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.