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首先我犯了个错误:球面估计距离的时候应该用平均半径 6371e3,而不是 6378e3 的赤道半径。
其次 eviltransform 在 gcj 中提出半径参数,与距离共享的做法是严重错误的:
The text was updated successfully, but these errors were encountered:
略晕…………
计算距离是等效为球面来算的。毕竟实际使用中,并没有遇到需要非常高精度的情况。
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等效球面至少也会用一个差不多平均的数值,也就是 6371 而不是 6378 那个。还有主要是现在 GCJ 上面的问题比较严重。
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首先我犯了个错误:球面估计距离的时候应该用平均半径 6371e3,而不是 6378e3 的赤道半径。
其次 eviltransform 在 gcj 中提出半径参数,与距离共享的做法是严重错误的:
The text was updated successfully, but these errors were encountered: