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Convert Tencent map longitude and latitude to Baidu map longitude and latitude PHP class

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Convert Tencent map longitude and latitude to Baidu map longitude and latitude PHP class

<?php
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);
}
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);
}
?>

China's normal GCJ02 coordinates---->Baidu map BD09 coordinates

Tencent map also uses GCJ02 coordinates

@param double $lat latitude

@ param double $lng Longitude

Baidu map BD09 coordinates---->China normal GCJ02 coordinates

Tencent map also uses GCJ02 coordinates

@param double $lat latitude

@param double $lng longitude

@return array();

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Baidu map event processing--getting the latitude and longitude (simple use of Baidu map)_html/css_WEB-ITnose

24 Jun 2016

Baidu Map event processing--getting the latitude and longitude (Baidu Map is simple to use)