PHP实现腾讯与百度坐标转换

2018-09-07 12:08

阅读:441

  废话不多说,直接上代码

   public function coordinate_switch($a,$b){//百度转腾讯坐标转换 $x = (double)$b - 0.0065; $y = (double)$a - 0.006; $x_pi = 3.14159265358979324; $z = sqrt($x * $x+$y * $y) - 0.00002 * sin($y * $x_pi); $theta = atan2($y,$x) - 0.000003 * cos($x*$x_pi); $gb = number_format($z * cos($theta),15); $ga = number_format($z * sin($theta),15); return [Latitude=>$ga,Longitude=>$gb]; } public function coordinate_switchf($a,$b){//腾讯转百度坐标转换 $x = (double)$b ; $y = (double)$a; $x_pi = 3.14159265358979324; $z = sqrt($x * $x+$y * $y) + 0.00002 * sin($y * $x_pi); $theta = atan2($y,$x) + 0.000003 * cos($x*$x_pi); $gb = number_format($z * cos($theta) + 0.0065,6); $ga = number_format($z * sin($theta) + 0.006,6); return [Latitude=>$ga,Longitude=>$gb]; }

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