百度经纬度和google经纬度互转

amap_182****217

百度地图的坐标转换，由于百度地图在GCJ02协议的基础上又做了一次处理，变为 BD09协议的坐标，以下是坐标的转化方式，可以方便和其他平台转化

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[backcolor=rgb(244, 244, 244) !important]private const double x_pi = 3.14159265358979324 * 3000.0 / 180.0; /// <summary> [backcolor=rgb(244, 244, 244) !important]/// 中国正常坐标系GCJ02协议的坐标，转到 百度地图对应的 BD09 协议坐标 /// </summary> [backcolor=rgb(244, 244, 244) !important]/// <param name="lat">维度</param> /// <param name="lng">经度</param> [backcolor=rgb(244, 244, 244) !important]public static void Convert_GCJ02_To_BD09(ref double lat,ref double lng) { [backcolor=rgb(244, 244, 244) !important]double x = lng, y = lat; double z =Math.Sqrt(x * x + y * y) + 0.00002 * Math.Sin(y * x_pi); [backcolor=rgb(244, 244, 244) !important]double theta = Math.Atan2(y, x) + 0.000003 * Math.Cos(x * x_pi); lng = z * Math.Cos(theta) + 0.0065; [backcolor=rgb(244, 244, 244) !important]lat = z * Math.Sin(theta) + 0.006; } [backcolor=rgb(244, 244, 244) !important]/// <summary> /// 百度地图对应的 BD09 协议坐标，转到 中国正常坐标系GCJ02协议的坐标 [backcolor=rgb(244, 244, 244) !important]/// </summary> /// <param name="lat">维度</param> [backcolor=rgb(244, 244, 244) !important]/// <param name="lng">经度</param> public static void Convert_BD09_To_GCJ02(ref double lat, ref double lng) [backcolor=rgb(244, 244, 244) !important]{ double x = lng - 0.0065, y = lat - 0.006; [backcolor=rgb(244, 244, 244) !important]double z = Math.Sqrt(x * x + y * y) - 0.00002 * Math.Sin(y * x_pi); double theta = Math.Atan2(y, x) - 0.000003 * Math.Cos(x * x_pi); [backcolor=rgb(244, 244, 244) !important]lng = z * Math.Cos(theta); lat = z * Math.Sin(theta); http://www.yllyl.0yn.net http://www.yylyl.0yn.net http://www.pcpcp.0yn.net http://www.pcpcc.0yn.net http://www.pcpcp.0yn.net http://www.cccpc.0yn.net http://www.cccpc.0yn.net http://www.ppcpc.0yn.net http://www.ttgtg.0yn.net http://www.tgggg.0yn.net http://www.gtttt.0yn.net http://www.tgttt.0yn.net http://www.ttgtg.0yn.net http://www.gggtg.0yn.net http://www.xxkxx.0yn.net http://www.xxkxx.0yn.net http://www.xkxxk.0yn.net http://www.xxxkk.0yn.net http://www.kkxxk.0yn.net http://www.kxxxk.0yn.net 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laughing0707

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