嗨，大家好，我需要将坐标转换为以下形式：
N42-53.9°
W072-16.2°
弄成那还挺像下面这样：
-90.7311
0.346944
PHP函数将不胜感激 - 或者只是一个公式也将是足够好:)
Answer 1:
我发现了一个网上JS计算器和PHP的解决方案 ：
<?php
function DMStoDEC($deg,$min,$sec)
{
// Converts DMS ( Degrees / minutes / seconds )
// to decimal format longitude / latitude
return $deg+((($min*60)+($sec))/3600);
}
function DECtoDMS($dec)
{
// Converts decimal longitude / latitude to DMS
// ( Degrees / minutes / seconds )
// This is the piece of code which may appear to
// be inefficient, but to avoid issues with floating
// point math we extract the integer part and the float
// part by using a string function.
$vars = explode(".",$dec);
$deg = $vars[0];
$tempma = "0.".$vars[1];
$tempma = $tempma * 3600;
$min = floor($tempma / 60);
$sec = $tempma - ($min*60);
return array("deg"=>$deg,"min"=>$min,"sec"=>$sec);
}
?>
Answer 2:
用简单的数学做到这一点：
arcsecond is 1⁄3,600 of a degree
arcminute is 1/60 of a degree
S,E negative, N,W positive
example: S 23° 25' 33.8: -1 * 23+25/60+33.8/3600 = -23,426055555555555555555555555556°
文章来源: How do I convert these coordinates to google map readable coordinates?
