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downsize json with convex hull algorithm to reduce polygon #8

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duidae opened this issue Jul 11, 2018 · 0 comments

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duidae commented Jul 11, 2018

由於json太肥的原因就是每個更新單元是由許多地號組合而成, 每個地號都是一個polygon, 每個polygon有其對應的點和線之gps座標, 相鄰的地號就會有重複的點和線, 若將每個更新單元整合成一個大的polygon, 消除重複的點和線, 就可縮減json size

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