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请问这里的x_pi是什么意思？ #30

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huqng opened this issue Dec 24, 2021 · 0 comments

huqng commented Dec 24, 2021

coordTransform_py/coordTransform_utils.py

Line 6 in 39e54c6

x_pi = 3.14159265358979324 * 3000.0 / 180.0

网上流传的各种语言的版本都是相同的算法，有可靠出处吗？

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