{"id":391,"date":"2021-08-26T14:55:00","date_gmt":"2021-08-26T14:55:00","guid":{"rendered":"https:\/\/262235.xyz\/?p=391"},"modified":"2021-08-26T14:55:00","modified_gmt":"2021-08-26T14:55:00","slug":"391","status":"publish","type":"post","link":"https:\/\/lyvba.com\/index.php\/2021\/08\/26\/391\/","title":{"rendered":"Python \u8c03\u7528 C\u5e93 \u6d4b\u8bd5GPS\u5750\u6807\u4e92\u8f6c: \u5730\u7403WGS-84 \u706b\u661fGCJ-02 \u767e\u5ea6BD-09"},"content":{"rendered":"

\"WGS2GCJ.png\"<\/p>\n

\u5730\u7403WGS-84 \u8f6c \u706b\u661fGCJ-02 \u8f6c \u767e\u5ea6BD-09<\/h3>\n

\u5730\u7403WGS-84: 29.1934702 119.465265
\u706b\u661fGCJ-02: 29.1908196 119.470341
\u767e\u5ea6 BD-09: 29.1965172 119.476936<\/p>\n

\u767e\u5ea6BD-09 \u8f6c \u706b\u661fGCJ-02 \u8f6c \u5730\u7403WGS-84<\/h3>\n

\u767e\u5ea6 BD-09: 29.196518 119.476936
\u706b\u661fGCJ-02: 29.1908195 119.470342
\u5730\u7403WGS-84: 29.1934702 119.465265<\/p>\n

china_shift.py<\/code> \u6d4b\u8bd5\u6e90\u7801<\/h3>\n
# load dynamic C library for map shift\nfrom ctypes import *\nshift = cdll.LoadLibrary('.\/china_shift.so')\n\nclass Location(Structure):\n    _fields_ = [\n        ('lon', c_double),\n        ('lat', c_double)]\n\nshift.transformFromWGSToGCJ.argtypes = [Location]\nshift.transformFromWGSToGCJ.restype = Location\nshift.transformFromGCJToWGS.argtypes = [Location]\nshift.transformFromGCJToWGS.restype = Location\n\nshift.bd_encrypt.argtypes = [Location]\nshift.bd_encrypt.restype = Location\nshift.bd_decrypt.argtypes = [Location]\nshift.bd_decrypt.restype = Location\n\n# Location gps = { 119.465265, 29.1934702};\n# \u5730\u7403WGS-84 \u8f6c \u706b\u661fGCJ-02 \u8f6c \u767e\u5ea6BD-09\n\nloc = Location(lon = 119.465265, lat = 29.1934702)\nprint(\"\u5730\u7403WGS-84:\",loc.lat, loc.lon)\n\nloc = shift.transformFromWGSToGCJ(loc)\nprint(\"\u706b\u661fGCJ-02:\",loc.lat, loc.lon)\n\nloc = shift.bd_encrypt(loc)\nprint(\"\u767e\u5ea6 BD-09:\",loc.lat, loc.lon)\n\n# \u767e\u5ea6BD-09 \u8f6c \u706b\u661fGCJ-02 \u8f6c \u5730\u7403WGS-84\nloc = Location(lon = 119.476936, lat = 29.196518 )\nprint(\"\u767e\u5ea6 BD-09:\",loc.lat, loc.lon)\n\nloc = shift.bd_decrypt(loc)\nprint(\"\u706b\u661fGCJ-02:\",loc.lat, loc.lon)\n\nloc = shift.transformFromGCJToWGS(loc)\nprint(\"\u5730\u7403WGS-84:\",loc.lat, loc.lon)\n<\/code><\/pre>\n
Gcc \u7f16\u8bd1 china_shift.so<\/code> \u8f6c\u6362\u5750\u6807\u5e93\u547d\u4ee4 \u53c2\u8003\u94fe\u63a5<\/a><\/h3>\n
gcc -shared -fPIC -o china_shift.so china_shift.c<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5730\u7403WGS-84 \u8f6c \u706b\u661fGCJ-02 \u8f6c \u767e\u5ea6BD-09 \u5730\u7403WGS-84: 29.1934702 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[45],"class_list":["post-391","post","type-post","status-publish","format-standard","hentry","category-learn","tag-python"],"_links":{"self":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts\/391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/comments?post=391"}],"version-history":[{"count":0,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts\/391\/revisions"}],"wp:attachment":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/media?parent=391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/categories?post=391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/tags?post=391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}