'Could not determine closest housenumber on an osm interpolation line.'
);
}
-
+
protected function polygonFunctions($sPointSQL, $iMaxRank)
{
// starts the nopolygonFound function if no polygon is found with the lookupPolygon function
$oResult = null;
-
+
$aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
if ($aPlace) {
$oResult = new Result($aPlace['place_id']);
}
return $oResult;
}
-
+
protected function noPolygonFound($sPointSQL, $iMaxRank)
{
// searches for polygon in table country_osm_grid which contains the searchpoint
// and searches for the nearest place node to the searchpoint in this polygon
$sSQL = 'SELECT country_code FROM country_osm_grid';
$sSQL .= ' WHERE ST_CONTAINS (geometry, '.$sPointSQL.') limit 1';
-
+
$aPoly = chksql(
$this->oDB->getRow($sSQL),
'Could not determine polygon containing the point.'
);
if ($aPoly) {
$sCountryCode = $aPoly['country_code'];
-
+
$sSQL = 'SELECT place_id, ST_distance('.$sPointSQL.', geometry) as distance';
$sSQL .= ' FROM placex';
$sSQL .= ' WHERE osm_type = \'N\'';
$sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, 1.0)';
$sSQL .= ' ORDER BY distance ASC, rank_address DESC';
$sSQL .= ' LIMIT 1';
-
+
if (CONST_Debug) var_dump($sSQL);
$aPlacNode = chksql(
$this->oDB->getRow($sSQL),
}
}
}
-
+
protected function lookupPolygon($sPointSQL, $iMaxRank)
{
// searches for polygon where the searchpoint is within
// if a polygon is found, placenodes with a higher rank are searched inside the polygon
-
+
// polygon search begins at suburb-level
if ($iMaxRank > 25) $iMaxRank = 25;
// no polygon search over country-level
$iRankAddress = $aPoly['rank_address'];
$iRankSearch = $aPoly['rank_search'];
$iPlaceID = $aPoly['place_id'];
-
+
if ($iRankAddress != $iMaxRank) {
//search diameter for the place node search
if ($iMaxRank <= 4) {
$sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )';
$sSQL .= ' ORDER BY distance ASC, rank_address DESC';
$sSQL .= ' LIMIT 1';
-
+
if (CONST_Debug) var_dump($sSQL);
$aPlacNode = chksql(
$this->oDB->getRow($sSQL),
}
return $aPoly;
}
-
+
public function lookup($fLat, $fLon, $bDoInterpolation = true)
{
$aPlace = null;
$fMaxAreaDistance = 1;
$bIsTigerStreet = false;
-
+
// for POI or street level
if ($iMaxRank >= 26) {
$sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
$this->oDB->getRow($sSQL),
'Could not determine closest place.'
);
-
+
if ($aPlace) {
-
+
$iDistance = $aPlace['distance'];
$iPlaceID = $aPlace['place_id'];
$oResult = new Result($iPlaceID);
$iParentPlaceID = $aPlace['parent_place_id'];
-
+
if ($bDoInterpolation && $iMaxRank >= 30) {
if ($aPlace['rank_address'] <=27) {
$iDistance = 0.001;
$oResult->iHouseNumber = closestHouseNumber($aHouse);
}
}
-
+
// if street and maxrank > streetlevel
if (($aPlace['rank_address'] <=27)&& $iMaxRank > 27) {
// find the closest object (up to a certain radius) of which the street is a parent of
$iPlaceID = $aStreet['place_id'];
$oResult = new Result($iPlaceID);
$iParentPlaceID = $aStreet['parent_place_id'];
-
+
if ($bDoInterpolation && $iMaxRank >= 30) {
$aHouse = $this->lookupInterpolation($sPointSQL, $iDistance, $iParentPlaceID);
}
}
}
-
+
// In the US we can check TIGER data for nearest housenumber
if (CONST_Use_US_Tiger_Data && $aPlace['country_code'] == 'us' && $this->iMaxRank >= 28) {
$fSearchDiam = $aPlace['rank_address'] > 28 ? $aPlace['distance'] : 0.001;