programmieren:amateurfunk:lat2loc
Latitude to Locator
Latlong to Locator (Gridsquare) PHP Example
<?php // Example Lat/Long aka IO91js $latitude = "51.756435"; $longitude = "-1.246042"; echo latlong_to_locator($latitude, $longitude); function latlong_to_locator ($latitude, $longitude) { /* Converts WGS84 coordinates into the corresponding Maidenhead Locator Inputs:- $latitude $longitude */ if ($longitude >= 180 || $longitude <= -180) { return "Longitude Value Incorrect"; } if ($latitude >= 90 || $latitude <= -90) { return "Latitude Value Incorrect"; } $longitude += 180; $latitude += 90; $letterA = ord('A'); $numberZero = ord('0'); $locator = chr($letterA + intval($longitude / 20)); $locator .= chr($letterA + intval($latitude / 10)); $locator .= chr($numberZero + intval(($longitude % 20) / 2)); $locator .= chr($numberZero + intval($latitude % 10)); $locator .= chr($letterA + intval(($longitude - intval($longitude / 2) * 2) / (2 / 24))); $locator .= chr($letterA + intval(($latitude - intval($latitude / 1) * 1 ) / (1 / 24))); return $locator; } ?> </php>
Quelle: https://gist.github.com/magicbug/bf27fc2c9908eb114b4a
programmieren:amateurfunk (335 views) · Zuletzt geändert: 06/01/2022 13:27 von conny