This commit is contained in:
meusinfirmary
2025-06-20 01:17:16 +09:00
parent a4276d9a6a
commit ed42967eef
5 changed files with 350 additions and 235 deletions

View File

@ -370,7 +370,61 @@ class Tracks extends Model
$query .= " ;";
return DB::select($query, $params);
// return DB::select($query, $params);
$rawTracks = DB::select($query, $params);
$cleanTracks = self::filterJumps($rawTracks);
if (isset($filter["limit"])) {
return array_slice($cleanTracks, 0, $filter["limit"]);
}
return $cleanTracks;
}
public static function haversineDistance($lat1, $lon1, $lat2, $lon2)
{
$earthRadius = 6371000; // meters
$lat1 = deg2rad($lat1);
$lon1 = deg2rad($lon1);
$lat2 = deg2rad($lat2);
$lon2 = deg2rad($lon2);
$dlat = $lat2 - $lat1;
$dlon = $lon2 - $lon1;
$a = sin($dlat / 2) ** 2 + cos($lat1) * cos($lat2) * sin($dlon / 2) ** 2;
$c = 2 * atan2(sqrt($a), sqrt(1 - $a));
return $earthRadius * $c;
}
public static function filterJumps($points, $maxDistance = 50, $maxTimeGap = 10)
{
$filtered = [];
$last = null;
foreach ($points as $p) {
if (!$last) {
$filtered[] = $p;
$last = $p;
continue;
}
$distance = self::haversineDistance(
$last->latitude,
$last->longitude,
$p->latitude,
$p->longitude
);
$timeGap = $p->lst_loc_crt - $last->lst_loc_crt;
if ($distance <= $maxDistance || $timeGap > $maxTimeGap) {
$filtered[] = $p;
$last = $p;
}
}
return $filtered;
}
public static function nearestInCircle($lat, $lng, $rad, $filter = [])