protected function polygonFunctions($sPointSQL, $iMaxRank)
{
// starts the nopolygonFound function if no polygon is found with the lookupPolygon function
$oResult = null;
protected function polygonFunctions($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']);
$aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
if ($aPlace) {
$oResult = new Result($aPlace['place_id']);
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';
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'];
$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\'';
$sSQL = 'SELECT place_id, ST_distance('.$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';
$sSQL .= ' AND ST_DWithin('.$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),
if (CONST_Debug) var_dump($sSQL);
$aPlacNode = chksql(
$this->oDB->getRow($sSQL),
protected function lookupPolygon($sPointSQL, $iMaxRank)
{
// searches for polygon where the searchpoint is within
// if a polygon is found, placenodes with a higher rank are searched inside the polygon
protected function lookupPolygon($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) $iMaxRank = 25;
// no polygon search over country-level
// polygon search begins at suburb-level
if ($iMaxRank > 25) $iMaxRank = 25;
// no polygon search over country-level
$iRankAddress = $aPoly['rank_address'];
$iRankSearch = $aPoly['rank_search'];
$iPlaceID = $aPoly['place_id'];
$iRankAddress = $aPoly['rank_address'];
$iRankSearch = $aPoly['rank_search'];
$iPlaceID = $aPoly['place_id'];
$sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )';
$sSQL .= ' ORDER BY distance ASC, rank_address DESC';
$sSQL .= ' LIMIT 1';
$sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$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),
if (CONST_Debug) var_dump($sSQL);
$aPlacNode = chksql(
$this->oDB->getRow($sSQL),
// for POI or street level
if ($iMaxRank >= 26) {
$sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
// for POI or street level
if ($iMaxRank >= 26) {
$sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
$this->oDB->getRow($sSQL),
'Could not determine closest place.'
);
$this->oDB->getRow($sSQL),
'Could not determine closest place.'
);
$iDistance = $aPlace['distance'];
$iPlaceID = $aPlace['place_id'];
$oResult = new Result($iPlaceID);
$iParentPlaceID = $aPlace['parent_place_id'];
$iDistance = $aPlace['distance'];
$iPlaceID = $aPlace['place_id'];
$oResult = new Result($iPlaceID);
$iParentPlaceID = $aPlace['parent_place_id'];
// if street and maxrank > streetlevel
if (($aPlace['rank_address'] <=27)&& $iMaxRank > 27) {
// find the closest object (up to a certain radius) of which the street is a parent of
// if street and maxrank > streetlevel
if (($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'];
$iPlaceID = $aStreet['place_id'];
$oResult = new Result($iPlaceID);
$iParentPlaceID = $aStreet['parent_place_id'];
if ($bDoInterpolation && $iMaxRank >= 30) {
$aHouse = $this->lookupInterpolation($sPointSQL, $iDistance, $iParentPlaceID);
if ($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;
// 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;