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\/\/\/ \u767e\u5ea6\u5750\u6807\u8f6c\u9ad8\u5fb7\u5750\u6807\n+ (CLLocationCoordinate2D)GCJ02FromBD09:(CLLocationCoordinate2D)coor\n{\n????CLLocationDegrees x_pi = 3.14159265358979324 * 3000.0 \/ 180.0;\n????CLLocationDegrees x = coor.longitude - 0.0065, y = coor.latitude - 0.006;\n????CLLocationDegrees z = sqrt(x * x + y * y) - 0.00002 * sin(y * x_pi);\n????CLLocationDegrees theta = atan2(y, x) - 0.000003 * cos(x * x_pi);\n????CLLocationDegrees gg_lon = z * cos(theta);\n????CLLocationDegrees gg_lat = z * sin(theta);\n????return CLLocationCoordinate2DMake(gg_lat, gg_lon);\n}\n?\n\/\/ \u9ad8\u5fb7\u5750\u6807\u8f6c\u767e\u5ea6\u5750\u6807\n+ (CLLocationCoordinate2D)BD09FromGCJ02:(CLLocationCoordinate2D)coor\n{\n????CLLocationDegrees x_pi = 3.14159265358979324 * 3000.0 \/ 180.0;\n????CLLocationDegrees x = coor.longitude, y = coor.latitude;\n????CLLocationDegrees z = sqrt(x * x + y * y) + 0.00002 * sin(y * x_pi);\n????CLLocationDegrees theta = atan2(y, x) + 0.000003 * cos(x * x_pi);\n????CLLocationDegrees bd_lon = z * cos(theta) + 0.0065;\n????CLLocationDegrees bd_lat = z * sin(theta) + 0.006;\n????return CLLocationCoordinate2DMake(bd_lat, bd_lon);\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
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