Regional Map Dilemma: Users download individual countries or regions. CH usually requires processing the entire road network globally, which doesn't align with OsmAnd's flexible map management.
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.，推荐阅读51吃瓜获取更多信息
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