#!/usr/bin/python
#?-*-?coding:?utf-8?-*-
#?author:zhoulong_GISER
#?-*-?coding:?utf-8?-*-
#?blog:https://blog.csdn.net/qq_33356563

#bd墨卡托轉BD-09
import?math
def?Yr（lnglatb）:
????if?b!=‘‘:
????????c=b[0]+b[1]*abs（lnglat[0]）
????????d=abs（lnglat[1]/b[9]）
????????d=b[2]+b[3]*d+b[4]*d*d+b[5]*d*d*d+b[6]*d*d*d*d+b[7]*d*d*d*d*d+b[8]*d*d*d*d*d*d
????????if?0>lnglat[0]:
????????????bd=-1*c
????????else:
????????????bd=c
????????lnglat[0]=bd
????????if?0?>?lnglat[0]:
????????????bd2?=?-1?*?d
????????else:
????????????bd2?=?d
????????lnglat[1]?=?bd2
????????return?lnglat
????return
def?Mecator2BD09（lnglat）:
????lnglat=[00]
????Au=[[1.410526172116255E-8?8.98305509648872E-6?-1.9939833816331?200.9824383106796?-187.2403703815547
??????????91.6087516669843?-23.38765649603339?2.57121317296198?-0.03801003308653?1.73379812E7]
?????????[-?7.435856389565537E-9?8.983055097726239E-6?-0.78625201886289?96.32687599759846?-1.85204757529826
??????????-59.36935905485877?47.40033549296737?-16.50741931063887?2.28786674699375?1.026014486E7]
?????????[-?3.030883460898826E-8?8.98305509983578E-6?0.30071316287616?59.74293618442277?7.357984074871
??????????-25.38371002664745?13.45380521110908?-3.29883767235584?0.32710905363475?6856817.37]
?????????[-?1.981981304930552E-8?8.983055099779535E-6?0.03278182852591?40.31678527705744?0.65659298677277
??????????-4.44255534477492?0.85341911805263?0.12923347998204?-0.04625736007561?4482777.06]
?????????[3.09191371068437E-9?8.983055096812155E-6?6.995724062E-5?23.10934304144901?-2.3663490511E-4
??????????-0.6321817810242?-0.00663494467273?0.03430082397953?-0.00466043876332?2555164.4]
?????????[2.890871144776878E-9?8.983055095805407E-6?-3.068298E-8?7.47137025468032?-3.53937994E-6?-0.02145144861037
??????????-1.234426596E-5?1.0322952773E-4?-3.23890364E-6?826088.5]]
????Sp=[1.289059486E7?8362377.87?5591021?3481989.83?1678043.12?0?]
????lnglat[0]=math.fabs（lng）
????lnglat[1]?=abs（lat）
????for?d?in?range（06）:
????????if?lnglat[1]>=Sp[d]:
????????????c=Au[d]
????????????break
????lnglat=Yr（lnglatc）
????return?lnglat
def?BD09