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$curPath = dirname(__FILE__).'/';
include($curPath ."ir.php");
$dbObj = new PgPanoService2($dbHost, $dbName, $dbUser, $dbPassword, $dbPort);
$dbObj->initDb();
$dbObj->_requestParams = $_REQUEST;
if(isset($_REQUEST["y"]) && isset($_REQUEST["x"])){
$x = floatval($_REQUEST["x"]);
$y = floatval($_REQUEST["y"]);
$dist = isset($_REQUEST["distance"])? floatval($_REQUEST["distance"]) :300;
$dist = $dist <40 ? 40:$dist;
$dbObj->getPanoIdByXY($x,$y,$dist);
}
else{
$dbObj->printOpRes(400, "missing parameter x or y!");
}
?>
function getPanoIdByXY($x, $y, $buffer=200,$printTag = true){
$panoId = "null";
$rlArr = $this->getRoadLinesByXY($x, $y, $buffer);
if($rlArr && count($rlArr) > 0){
$rlCount = count($rlArr);
for($i = 0; $i <$rlCount; $i++){
$tmpRl = $rlArr[$i];
if($tmpRl){
$tmpPds = $tmpRl->getPdsByLimitDate($this->_limitDate);
//echo $tmpPds."\r\n";
if($tmpPds != ""){
$tableName = $this->getTableNameByPanoId($tmpPds, 0);
$tmpPanoId = $this->getPanoIdByXyAndTable($tableName, $x, $y, $buffer);
if($tmpPanoId != ""){
$panoId = $tmpPanoId;
break;
}
}
}
}
}
if($printTag){
$tmpResStr = '{"panoid":"'.$panoId.'","requestx":'.$x.',"requesty":'.$y.'}';
if($this->_requestParams && isset($this->_requestParams["callback"]) && $this->_requestParams["callback"] != ""){
$tmpResStr = $panoId;
}
$this->exportJson($tmpResStr);
}
else
return $panoId;
}
function getPanoIdByXyAndTable($tableName, $x, $y, $buffer=200){
$resStr = "";
if($this->_db){
$queryStr = "SELECT
a.name as name,
ST_Distance(ST_GeomFromText('POINT(".$x." ".$y.")', 900913), a.geom) as dist
FROM
".$tableName." as a
WHERE
ST_Contains(ST_Buffer(ST_GeomFromText('POINT(".$x." ".$y.")', 900913), ".$buffer."),a.geom)
order by dist ASC limit 1";
// var_dump($queryStr) ;exit;
$result = pg_query($this->_db,$queryStr);
var_dump($result);
if($result === FALSE || $result === TRUE || pg_num_rows($result) == 0){
return null;
}
else{
while($arr = pg_fetch_array($result)){
if($arr && $arr["name"] != ""){
$resStr = $arr["name"];
break;
}
}
}
}
return $resStr;
}
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