Online PHP editor | refs for 4fI7F

<?php function destinationPoint($lat, $lng, $brng, $dist) { $rad = 6371; // earths mean radius $dist = $dist/$rad; // convert dist to angular distance in radians $brng = deg2rad($brng); // conver to radians $lat1 = deg2rad($lat); $lon1 = deg2rad($lng); $lat2 = asin(sin($lat1)*cos($dist) + cos($lat1)*sin($dist)*cos($brng) ); $lon2 = $lon1 + atan2(sin($brng)*sin($dist)*cos($lat1),cos($dist)-sin($lat1)*sin($lat2)); $lon2 = fmod($lon2 + 3*M_PI, 2*M_PI) - M_PI; // normalise to -180..+180º $lat2 = rad2deg($lat2); $lon2 = rad2deg($lon2); echo "lat = ".$lat2."\n"; echo "lon = ".$lon2."\n\n"; } $lat = 0; $lng = 0; $dist = 1; // km $n = 12; $bearings = range(0, 360-(360/$n) , 360/$n); // create array of all bearings needed from $lat/$lng foreach($bearings as $brng){ echo $brng ."\n"; destinationPoint($lat, $lng, $brng, $dist); }