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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                騰訊的經緯度和google經緯度是同一個坐標系! ``` /** * 中國正常GCJ02坐標---->百度地圖BD09坐標 * 騰訊地圖用的也是GCJ02坐標 * @param double $lat 緯度 * @param double $lng 經度 */ function Convert_GCJ02_To_BD09($lat,$lng){ $x_pi = 3.14159265358979324 * 3000.0 / 180.0; $x = $lng; $y = $lat; $z =sqrt($x * $x + $y * $y) + 0.00002 * sin($y * $x_pi); $theta = atan2($y, $x) + 0.000003 * cos($x * $x_pi); $lng = $z * cos($theta) + 0.0065; $lat = $z * sin($theta) + 0.006; return array('lng'=>$lng,'lat'=>$lat); } /** * 百度地圖BD09坐標---->中國正常GCJ02坐標 * 騰訊地圖用的也是GCJ02坐標 * @param double $lat 緯度 * @param double $lng 經度 * @return array(); */ function Convert_BD09_To_GCJ02($lat,$lng){ $x_pi = 3.14159265358979324 * 3000.0 / 180.0; $x = $lng - 0.0065; $y = $lat - 0.006; $z = sqrt($x * $x + $y * $y) - 0.00002 * sin($y * $x_pi); $theta = atan2($y, $x) - 0.000003 * cos($x * $x_pi); $lng = $z * cos($theta); $lat = $z * sin($theta); return array('lng'=>$lng,'lat'=>$lat); } ```
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