if ($north > 90) {
$north = 90;
}
$south = $_POST['lat'] - 5;
if ($south < -90) {
$south = -90;
}
$latcorr = cos(deg2rad($_POST['lat']));
if ($latcorr > 0) {
//in case file error gives takeoff at a pole
$east = $_POST['lng'] + 5 / $latcorr;
if ($east > 180) {
$east = 360 - $east;
}
$west = $_POST['lng'] - 5 / $latcorr;
if ($west < -180) {
$west = 360 + $west;
}
} else {
$east = 180;
$west = -180;
}
$box = "POLYGON(({$north} {$west},{$north} {$east},{$south} {$east},{$south} {$west},{$north} {$west}))";
$sql = "SET @bbox=GeomFromText('" . $box . "')";
$mysqli->query($sql);
$wherepolygons = "INTERSECTS(outline,@bbox)";
$wherecircles = "INTERSECTS(mbr,@bbox)";
$retval['polygons'] = getpolygons($wherepolygons);
$retval['circles'] = getcircles($wherecircles);
echo json_encode($retval, JSON_NUMERIC_CHECK);
$mysqli->close();
$polygons[] = (object) array("base" => $polygon[0], "coords" => $coordlist);
}
$polylist->close();
return $polygons;
}
function getcircles($whereclause)
{
global $mysqli;
$circlelist = $mysqli->query("SELECT base,AsText(centre),radius FROM geocircle WHERE {$whereclause}");
$circles = array();
while ($circle = $circlelist->fetch_row()) {
$reduced = str_replace(")", "", str_replace("POINT(", "", $circle[1]));
$splitpoint = explode(" ", $reduced);
$centre['lat'] = $splitpoint[0];
$centre['lng'] = $splitpoint[1];
$circles[] = (object) array("base" => $circle[0], "centre" => $centre, "radius" => $circle[2]);
}
return $circles;
}
$countries = array('AUT' => 'at', 'AUS' => 'au', 'BEL' => 'be', 'BRA' => 'br', 'CAN' => 'ca', 'CHE' => 'ch', 'CZE' => 'cz', 'DEU' => 'de', 'EST' => 'ee', 'ESP' => 'es', 'FIN' => 'fi', 'FRA' => 'fr', 'HRV' => 'hr', 'HUN' => 'hu', 'IRL' => 'ie', 'ITA' => 'it', 'LTU' => 'lt', 'LVA' => 'lv', 'MKD' => 'mk', 'NLD' => 'nl', 'NOR' => 'no', 'NZL' => 'nz', 'POL' => 'pl', 'PRT' => 'pt', 'SWE' => 'se', 'SVN' => 'si', 'SVK' => 'sk', 'GBR' => 'uk', 'USA' => 'us', 'ZAF' => 'za');
require_once "../db_inc.php";
$mysqli = new mysqli($dbserver, $username, $password, $database);
$bounds = json_decode($_POST['mbr'], true);
$box = "POLYGON((" . $bounds['maxNorth'] . " " . $bounds['minEast'] . "," . $bounds['maxNorth'] . " " . $bounds['maxEast'] . "," . $bounds['minNorth'] . " " . $bounds['maxEast'] . "," . $bounds['minNorth'] . " " . $bounds['minEast'] . "," . $bounds['maxNorth'] . " " . $bounds['minEast'] . "))";
$sql = "SET @bbox=GeomFromText('" . $box . "')";
$mysqli->query($sql);
$retval['polygons'] = getpolygons("INTERSECTS(outline,@bbox)");
$retval['circles'] = getcircles("INTERSECTS(mbr,@bbox)");
$retval['message'] = "OK";
echo json_encode($retval, JSON_NUMERIC_CHECK);
$mysqli->close();