query("SELECT wp_key, name, lat, lon, region, wp_type
FROM geo_waypoints
ORDER BY wp_type, region, name")->fetchAll();
function haversine_km($lat1, $lon1, $lat2, $lon2) {
$R = 6371.0;
$dLat = deg2rad($lat2 - $lat1);
$dLon = deg2rad($lon2 - $lon1);
$a = sin($dLat/2) ** 2 + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * sin($dLon/2) ** 2;
return $R * 2 * atan2(sqrt($a), sqrt(1 - $a));
}
function clean_name($name) {
// Entfernt "C8 ", "(ÖAMTC)" etc. für saubere Geocoding-Queries
$n = preg_replace('/^C\d+\s+/', '', $name);
$n = preg_replace('/\s*\(.*?\)\s*/', '', $n);
return trim($n);
}
function nominatim_lookup($query) {
$url = 'https://nominatim.openstreetmap.org/search?'
. http_build_query(['q' => $query, 'format' => 'json', 'countrycodes' => 'at', 'limit' => 1]);
$ctx = stream_context_create(['http' => [
'header' => "User-Agent: GeoGraSim-Waypoint-Audit/1.0 (lokal, Bildungsprojekt)\r\n",
'timeout' => 10,
]]);
$resp = @file_get_contents($url, false, $ctx);
if ($resp === false) return null;
$j = json_decode($resp, true);
if (!is_array($j) || count($j) === 0) return null;
return ['lat' => (float)$j[0]['lat'], 'lon' => (float)$j[0]['lon'], 'display' => $j[0]['display_name']];
}
$results = [];
foreach ($rows as $w) {
$row = [
'wp_key' => $w['wp_key'],
'name' => $w['name'],
'region' => $w['region'],
'wp_type' => $w['wp_type'],
'db_lat' => (float)$w['lat'],
'db_lon' => (float)$w['lon'],
'osm_lat' => null, 'osm_lon' => null, 'distance_km' => null,
'osm_display' => null, 'status' => 'skipped',
];
if (in_array($w['wp_type'], ['city', 'village'])) {
$q = clean_name($w['name']) . ', ' . ucfirst($w['region']) . ', Austria';
$osm = nominatim_lookup($q);
usleep(1_100_000); // 1.1 s, Nominatim Usage Policy
if ($osm) {
$row['osm_lat'] = $osm['lat'];
$row['osm_lon'] = $osm['lon'];
$row['osm_display'] = $osm['display'];
$row['distance_km'] = round(haversine_km($row['db_lat'], $row['db_lon'], $osm['lat'], $osm['lon']), 3);
if ($row['distance_km'] < 0.5) $row['status'] = 'ok';
elseif ($row['distance_km'] < 2.0) $row['status'] = 'review';
else $row['status'] = 'wrong';
} else {
$row['status'] = 'not_found';
}
}
$results[] = $row;
}
if ($format === 'json') {
header('Content-Type: application/json; charset=utf-8');
echo json_encode($results, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
exit;
}
$counts = array_count_values(array_column($results, 'status'));
?>
Waypoint-Audit
Waypoint-Koordinaten-Audit
Quelle: OSM/Nominatim. Nur city und village werden geprüft. Grün < 500 m, Gelb < 2 km, Rot > 2 km.
Gesamt:
OK:
Review:
Falsch:
Nicht gefunden:
Übersprungen:
JSON-Export
| Status | Key | Name | Region | Typ |
DB Lat, Lon | OSM Lat, Lon | Δ km | OSM-Treffer |
|
|
|
|
|
, |
'.number_format($r['osm_lat'],5).', '.number_format($r['osm_lon'],5).'' : '—' ?> |
|
|