OsmAnd's HH-Routing is more than just an algorithm; it's a testament to innovative problem-solving. It’s a carefully engineered system born from the need to overcome specific, demanding constraints: the desire for blazing speed, minimal storage, complete routing flexibility, regional map support, and adaptability to fresh data.
Flexibility Clash: CH typically pre-calculates optimal paths. Supporting OsmAnd's 10+ routing parameters (leading to over 1024 combinations per profile!) would be impossible with standard CH.
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