function findEndNode($fromID, $lat, $lon, $table)
{
$query = "SELECT * FROM {$table}\n\t\t\t\t WHERE start_lat BETWEEN {$lat}-{$this->Error} AND {$lat}+{$this->Error}\n\t\t\t\t AND start_lon BETWEEN {$lon}-{$this->Error} AND {$lon}+{$this->Error}";
// $query = "SELECT * FROM spat_nodes WHERE MBRContains(ST_GeomFromText('Polygon(({$lon}-{$this->Error},{$lat}-{$this->Error},{$lon}+{$this->Error},{$lat}+{$this->Error})'),latlon) AND start = '1'";
$result = $this->Conn->query($query);
if ($result) {
if (mysqli_num_rows($result) > 0) {
while ($row = $result->fetch_array()) {
$toID = $row['id'];
echo "{$toID} ";
$distance = haversineGreatCircleDistance(floatval($lat), floatval($lon), floatval($row['start_lat']), floatval($row['start_lon']));
$query = "INSERT INTO southwest_edges VALUES('{$fromID}','{$toID}')";
$this->Conn->query($query);
}
}
}
}
$lastlon = 0;
$lastdistance = 0;
$semaine[$tabjour[0]]["debut"] = 0;
$lastjour = $tabjour[0];
$i = 0;
$trajet = array();
$debut = 0;
$fin = 0;
$semaine[$tabjour[0]]["date"] = affichedateiso($tabjour[0]) . " - " . jourfr(dayOfWeek(strtotime($tabjour[0])) - 1);
}
//$semaine[$tabjour[0]]["km"]+=(int)$tblconduite["distance_next"]/1000;
$distance = 0;
if ($lastlat != $tblconduite["latitude"] && $lastlon != $tblconduite["longitude"]) {
if ($lastlat != 0 && $lastlon != 0) {
//print "ici2";
$distance = haversineGreatCircleDistance($lastlat, $lastlon, $tblconduite["latitude"], $tblconduite["longitude"]) / 1000;
$semaine[$tabjour[0]]["km"] += round($distance, 2);
$totaldistance += $semaine[$tabjour[0]]["km"];
}
}
$semaine[$tabjour[0]]["vitessemax"] = $semaine[$tabjour[0]]["vitessemax"] > vitessekmh($tblconduite["speed"]) ? $semaine[$tabjour[0]]["vitessemax"] : vitessekmh($tblconduite["speed"]);
// if(($lastspeed!=$tblconduite["speed"]&&$lastspeed==0)||($lastdistance!=$distance&&$lastdistance==0)){
if ($lastspeed != $tblconduite["speed"] && $lastspeed == 0 || $lastlat != round($tblconduite["latitude"], 4) && $lastlon != round($tblconduite["longitude"], 4) && !$first && $tblconduite["speed"] != 0) {
$semaine[$tabjour[0]]["debut"] = $semaine[$tabjour[0]]["debut"] == 0 ? $tblconduite["time"] : $semaine[$tabjour[0]]["debut"];
$semaine[$tabjour[0]]["fin"] = 0;
$debut = strtotime($tblconduite["time"]);
}
if ($lastspeed != $tblconduite["speed"] && $tblconduite["speed"] == 0 && $lastspeed != 0 || $lastdistance != $distance && $distance == 0 && $lastdistance != 0) {
$semaine[$tabjour[0]]["fin"] = $tblconduite["time"];
$fin = strtotime($tblconduite["time"]);
if ($semaine[$tabjour[0]]["fin"] != "" && $semaine[$tabjour[0]]["debut"] != "") {
if ($argument2 == "0") {
$sql = "\n\t\tSELECT items.itemID, items.name, items.about, items.value, items.power,items.pin,servers.adres,servers.serveradres FROM items \n\t\tLEFT JOIN servers\n\t\tON items.serverID =servers.serverID\n\t\tWHERE name='" . $argument1 . "'";
} else {
$sql = "\n\t\tSELECT a.itemID, a.name, a.about, a.value,a.power, b.lat,b.lon \n\t\tFROM items a \n\t\tINNER JOIN poi b ON b.id = a.locID \n\t\tWHERE a.locID>0\n\t";
}
$result = mysqli_query($conn, $sql);
header("Content-type: text/xml");
$xml_output = "<?xml version=\"1.0\"?>\n";
$xml_output .= "<items>\n";
if (mysqli_num_rows($result) > 0) {
// output data of each row
while ($row = mysqli_fetch_assoc($result)) {
$vafstand = "";
$check = 0;
if (isset($_GET['lat']) && isset($_GET['lon'])) {
$vafstand = haversineGreatCircleDistance($argument3 = $_GET['lat'], $argument4 = $_GET['lon'], $row["lat"], $row["lon"]);
if ($vafstand < $afstand) {
$check = 1;
}
} else {
$check = 1;
}
if ($check == 1) {
$xml_output .= "<item>\n";
$afwijking = $row["value"] * $schommeling;
$value = rand($row["value"] - $afwijking, $row["value"] + $afwijking);
printName("id", $row["itemID"]);
printName("name", $row["name"]);
printName("about", $row["about"]);
if (is_null($row["adres"]) or is_null($row["pin"])) {
printName("value", $value);
echo $itm->itm_latitude;
?>
,<?php
echo $itm->itm_longitude;
?>
&oe=UTF-8&ie=UTF-8"><i class="material-icons md-18">place</i><?php
echo $itm->itm_latitude;
?>
,<?php
echo $itm->itm_longitude;
?>
</a><?php
if ($this->axipi_session->userdata('latitude') && $this->axipi_session->userdata('longitude')) {
?>
(<?php
echo haversineGreatCircleDistance($itm->itm_latitude, $itm->itm_longitude, $this->axipi_session->userdata('latitude'), $this->axipi_session->userdata('longitude'));
?>
)<?php
}
?>
</p>
<a target="_blank" href="http://maps.google.com/maps?q=<?php
echo $itm->itm_latitude;
?>
,<?php
echo $itm->itm_longitude;
?>
&oe=UTF-8&ie=UTF-8"><img src="https://maps.googleapis.com/maps/api/staticmap?center=<?php
echo $itm->itm_latitude;
?>
,<?php
<?php
function haversineGreatCircleDistance($latitudeFrom, $longitudeFrom, $latitudeTo, $longitudeTo, $earthRadius = 6371000)
{
// convert from degrees to radians
$latFrom = deg2rad($latitudeFrom);
$lonFrom = deg2rad($longitudeFrom);
$latTo = deg2rad($latitudeTo);
$lonTo = deg2rad($longitudeTo);
$latDelta = $latTo - $latFrom;
$lonDelta = $lonTo - $lonFrom;
$angle = 2 * asin(sqrt(pow(sin($latDelta / 2), 2) + cos($latFrom) * cos($latTo) * pow(sin($lonDelta / 2), 2)));
return $angle * $earthRadius;
}
function pythag($latFrom, $latTo, $lTo, $longTo)
{
$d0 = deg2rad($latFrom - $latTo);
$d1 = deg2rad($longFrom - $longTo);
return 6371000 * sqrt(pow($d0, 2) + pow($d1, 2)) / 1609;
}
echo pythag(0, 0, 5, 10);
//$d = deg2rad(10);
//echo pow($d,2);
echo "<br>";
echo haversineGreatCircleDistance(0, 0, 5, 10) / 1609;
function get_posts_in_vicinity($lat, $long, $course)
{
global $db;
$db->Prepare("SELECT * FROM users");
$db->Execute();
$users = array();
while ($result = $db->Fetch()) {
$dist = haversineGreatCircleDistance($lat, $long, $result["lat"], $result["long"]);
if ($dist < 150) {
array_push($users, $result["id"]);
}
}
$ret = array();
foreach ($users as $u) {
$db->Prepare("SELECT * FROM posts WHERE user_id='\$0' AND course_id='\$1'");
$db->Execute($u, $course);
while ($result = $db->Fetch()) {
array_push($ret, $result);
}
}
$temp = array();
foreach ($ret as $key => $row) {
$temp[$key] = $row['post_time'];
}
array_multisort($temp, SORT_DESC, $ret);
return $ret;
}
function calcDistance($points)
{
$distance = 0;
for ($i = 0; $i < sizeof($points) - 1; $i++) {
$distance += haversineGreatCircleDistance($points[$i][1], $points[$i][0], $points[$i + 1][1], $points[$i + 1][0]);
}
return $distance;
}
* @param float $longitudeFrom Longitude of start point in [deg decimal]
* @param float $latitudeTo Latitude of target point in [deg decimal]
* @param float $longitudeTo Longitude of target point in [deg decimal]
* @param float $earthRadius Mean earth radius in [m]
* @return float Distance between points in [m] (same as earthRadius)
*/
function haversineGreatCircleDistance($latitudeFrom, $longitudeFrom, $latitudeTo, $longitudeTo, $earthRadius = 6371000)
{
// convert from degrees to radians
$latFrom = deg2rad($latitudeFrom);
$lonFrom = deg2rad($longitudeFrom);
$latTo = deg2rad($latitudeTo);
$lonTo = deg2rad($longitudeTo);
$latDelta = $latTo - $latFrom;
$lonDelta = $lonTo - $lonFrom;
$angle = 2 * asin(sqrt(pow(sin($latDelta / 2), 2) + cos($latFrom) * cos($latTo) * pow(sin($lonDelta / 2), 2)));
return $angle * $earthRadius;
}
$center_lat = -9.2890222;
$center_lng = -35.543886;
$lat = -9.282627;
$lng = -35.545431;
// test with your arccosine formula
$distance = 6371 * acos(cos(deg2rad($center_lat)) * cos(deg2rad($lat)) * cos(deg2rad($lng) - deg2rad($center_lng)) + sin(deg2rad($center_lat)) * sin(deg2rad($lat)));
print $distance;
// prints 9.662174538188
echo "</br></br>";
// test with my haversine formula
$distance = haversineGreatCircleDistance($center_lat, $center_lng, $lat, $lng, 6371);
print $distance;
// prints 9.6621745381693
function suggestions()
{
if (connected()) {
//On attrape les infos qu'on veut
$user_info = getUserDetails($_SESSION['id']);
$user_events = getMemberEvents($_SESSION['id']);
$events = getEvents($_SESSION['id']);
if (empty($events) || empty($user_events) || empty($user_info) || count($events) < 3) {
return [];
}
//Enlève les évents auquel il participe.
foreach ($events as $key => $value) {
foreach ($user_events as $cle => $valeur) {
if (count($events) - count($user_events) > 3) {
// Teste s'il y a assez d'évènements pour faire 3 recommendations
if ($value["id"] == $valeur['id']) {
unset($events[$key]);
}
}
}
//Ajoute les coordonnées à chaue événement auquel il ne participe pas.
if (!isset($events[$key])) {
continue;
}
$event_adress = getAdressCoord($value['id']);
$events[$key]['coordonnee_long'] = $event_adress['coordonnee_long'];
$events[$key]['coordonnee_lat'] = $event_adress['coordonnee_lat'];
$events[$key]['lien_photo'] = generateMediaLink($value['id'], $value['type']);
}
// ======= BIENTOT ========
//Tri par date des evenements
function date_compare($a, $b)
{
$t1 = strtotime($a['debut']);
$t2 = strtotime($b['debut']);
return $t1 - $t2;
}
usort($events, 'date_compare');
$timeRec = $events[0];
// ======= TYPE ========
//Classement des Types par ID.
$types = [];
foreach ($user_events as $key => $value) {
array_push($types, $value["type"]);
}
$types = array_count_values($types);
$top_type = array_keys($types, max($types));
//Choix de l'évènement par Type.
foreach ($events as $key => $value) {
if (in_array($value['type'], $top_type)) {
$typeRec = $value;
if ($timeRec['id'] == $typeRec['id']) {
continue;
} else {
break;
}
}
}
//Aléatoire sinon.
if (!isset($typeRec)) {
$typeRec = $events[rand(0, count($events) - 1)];
while ($timeRec['id'] == $typeRec['id']) {
$typeRec = $events[rand(0, count($events) - 1)];
}
}
// ======= PROXIMITE ========
if (isset($user_info['coordonnee_long']) && isset($user_info['coordonnee_lat'])) {
// Addresse renseignée.
//Tri par distance (grande sphère)
foreach ($events as $key => $value) {
$events[$key]['distance'] = haversineGreatCircleDistance(floatval($user_info['coordonnee_lat']), floatval($user_info['coordonnee_long']), floatval($events[$key]['coordonnee_lat']), floatval($events[$key]['coordonnee_long']));
}
function distance_compare($a, $b)
{
return $a['distance'] - $b['distance'];
}
usort($events, 'distance_compare');
$proxRec = $events[0];
if ($proxRec['id'] == $typeRec['id']) {
$proxRec = $events[1];
}
} else {
//Addresse non renseignée. Donc aléatoire.
$proxRec = $events[rand(0, count($events) - 1)];
while ($proxRec['id'] == $typeRec['id'] || $proxRec['id'] == $timeRec['id']) {
$proxRec = $events[rand(0, count($events) - 1)];
}
}
return [$timeRec, $typeRec, $proxRec];
} else {
// 100% radom public events
$events = getEvents();
if (count($events) < 3) {
return [];
}
$recs = array_rand($events, 3);
foreach ($recs as $key => $value) {
$events[$value]['lien_photo'] = generateMediaLink($value, $events[$value]['type']);
}
return [$events[$recs[0]], $events[$recs[1]], $events[$recs[2]]];
}
}
function findlieu($lat, $lon)
{
$sql = "select lc.*,tlc.libelle as libcat from " . __racinebd__ . "lieu_compte lc inner join " . __racinebd__ . "type_lieu_compte tlc on lc.type_lieu_compte_id=tlc.type_lieu_compte_id where lc.supprimer=0 and compte_id=" . $_SESSION["compte_id"];
$link = query($sql);
while ($tbl = fetch($link)) {
if (haversineGreatCircleDistance($lat, $lon, $tbl["latitude"], $tbl["longitude"]) <= $tbl["rayon"]) {
if ($tbl["adresse"] == "") {
$tbl["adresse"] = getAddess($lat, $lon);
$sql = "update " . __racinebd__ . "lieu_compte set adresse='" . $tbl["adresse"] . "' where lieu_compte_id=" . $tbl["lieu_compte_id"];
query($sql);
}
$tbl["adresse"] = str_replace(", France", "", $tbl["adresse"]);
return $tbl;
break;
}
}
return false;
}