\nKML Circle Generator Output\n1\n\ncircle\n1\n\n\n\n");
// loop through the array and write path linestrings
for($i=0; $i<=360; $i++) {
$radial = deg2rad($i);
$lat_rad = asin(sin($lat1)*cos($d_rad) + cos($lat1)*sin($d_rad)*cos($radial));
$dlon_rad = atan2(sin($radial)*sin($d_rad)*cos($lat1),
cos($d_rad)-sin($lat1)*sin($lat_rad));
$lon_rad = fmod(($long1+$dlon_rad + M_PI), 2*M_PI) - M_PI;
fwrite( $fileappend, rad2deg($lon_rad).",".rad2deg($lat_rad).",0 ");
}
// write everything else and clean up
fwrite( $fileappend, "\n\n\n");
fclose( $fileappend );
if(file_exists($filename)) {
echo ("Your circle is right here.
");
} else {
echo( "If you can see this, something is wrong..." );
}
?>