Esempio n. 1
0
 function test()
 {
     $db = db_connect();
     $this->assertEqual(gcDistance($db, 1, 1), array(0, gcDuration(0)));
 }
Esempio n. 2
0
function gcDistance($db, $src_apid, $dst_apid)
{
    // Special case: loop flight to/from same airport
    if ($src_apid == $dst_apid) {
        $dist = 0;
    } else {
        $sql = "SELECT x,y FROM airports WHERE apid={$src_apid} OR apid={$dst_apid}";
        // Handle both OO and procedural-style database handles, depending on what type we've got.
        if (get_class($db) == "PDO") {
            $sth = $db->prepare($sql);
            $sth->execute();
            if ($sth->rowCount() != 2) {
                return array(null, null);
            }
            $coord1 = $sth->fetch();
            $lon1 = $coord1["x"];
            $lat1 = $coord1["y"];
            $coord2 = $sth->fetch();
            $lon2 = $coord2["x"];
            $lat2 = $coord2["y"];
        } else {
            $rs = mysql_query($sql, $db);
            if (mysql_num_rows($rs) != 2) {
                return array(null, null);
            }
            $row = mysql_fetch_assoc($rs);
            $lon1 = $row["x"];
            $lat1 = $row["y"];
            $row = mysql_fetch_assoc($rs);
            $lon2 = $row["x"];
            $lat2 = $row["y"];
        }
        $pi = 3.1415926;
        $rad = doubleval($pi / 180.0);
        $lon1 = doubleval($lon1) * $rad;
        $lat1 = doubleval($lat1) * $rad;
        $lon2 = doubleval($lon2) * $rad;
        $lat2 = doubleval($lat2) * $rad;
        $theta = $lon2 - $lon1;
        $dist = acos(sin($lat1) * sin($lat2) + cos($lat1) * cos($lat2) * cos($theta));
        if ($dist < 0) {
            $dist += $pi;
        }
        $dist = floor($dist * 6371.2 * 0.621);
    }
    $duration = gcDuration($dist);
    return array($dist, $duration);
}
Esempio n. 3
0
    $sql .= " ORDER BY src_date DESC, src_time DESC";
}
// Execute!
$result = mysql_query($sql, $db) or die('Error;Query ' . print_r($_GET, true) . ' caused database error ' . $sql . ', ' . mysql_error());
$first = true;
if ($export == "export" || $export == "backup") {
    // Start with byte-order mark to try to clue Excel into realizing that this is UTF-8
    print "Date,From,To,Flight_Number,Airline,Distance,Duration,Seat,Seat_Type,Class,Reason,Plane,Registration,Trip,Note,From_OID,To_OID,Airline_OID,Plane_OID\r\n";
}
$gcmap_city_pairs = '';
// list of city pairs when doing gcmap export.
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
    $note = $row["note"];
    if ($route) {
        $row["distance"] = gcPointDistance(array("x" => $row["sx"], "y" => $row["sy"]), array("x" => $row["dx"], "y" => $row["dy"]));
        $row["duration"] = gcDuration($row["distance"]);
        $row["code"] = $row["al_name"] . " (" . $row["code"] . ")";
        $note = "";
        if ($row["stops"] == "0") {
            $note = "Direct";
        } else {
            $note = $row["stops"] . " stops";
        }
        if ($row["codeshare"] == "Y") {
            $note = "Codeshare";
        }
    }
    if ($first) {
        $first = false;
    } else {
        if ($export == "export" || $export == "backup") {