The answer: OsmAnd's custom-built Highway Hierarchy (HH) Routing. This isn't your standard routing engine; it's a ground-up redesign, meticulously engineered to overcome the unique challenges of providing advanced navigation on compact, offline-first map data.
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Раскрыты подробности похищения ребенка в Смоленске09:27
Александра Статных (Редактор отдела «Путешествия»)
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4 A good discussion on luminance and how to calculate it can be found on this stack exchange question. ↑