作者查詢 / eyechaos
作者 eyechaos 在 PTT [ EarthScience ] 看板的留言(推文), 共7則
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13F→:x軸都平移500000M(utm),所以是六碼,左右各3度,所以不10/13 23:06
14F→:超過700公里,左右各半,x軸最多不會超過850km10/13 23:07
15F→:y軸比較難解釋,這牽涉到橫麥卡托投影的公式10/13 23:14
16F→:主要是y軸計算上會多出從赤道起算的子午線弧長的關係10/13 23:14
17F→:簡單來說,y軸起算店在赤道啦10/13 23:15
18F→:另外wgs84是gps衛星用的地球原子,他只是一些數學參數10/13 23:17
19F→:教官問的應該是utm或是tm2度分帶之類的10/13 23:18
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