+ $fSearchDiam = $fSearchDiam * 2;
+
+ // If we have to expand the search area by a large amount then we need a larger feature
+ // then there is a limit to how small the feature should be
+ if ($fSearchDiam > 2 && $iMaxRank > 4) $iMaxRank = 4;
+ if ($fSearchDiam > 1 && $iMaxRank > 9) $iMaxRank = 8;
+ if ($fSearchDiam > 0.8 && $iMaxRank > 10) $iMaxRank = 10;
+ if ($fSearchDiam > 0.6 && $iMaxRank > 12) $iMaxRank = 12;
+ if ($fSearchDiam > 0.2 && $iMaxRank > 17) $iMaxRank = 17;
+ if ($fSearchDiam > 0.1 && $iMaxRank > 18) $iMaxRank = 18;
+ if ($fSearchDiam > 0.008 && $iMaxRank > 22) $iMaxRank = 22;
+ if ($fSearchDiam > 0.001 && $iMaxRank > 26) $iMaxRank = 26;
+
+ $sSQL = 'select place_id,parent_place_id from placex';
+ $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
+ $sSQL .= ' and rank_search != 28 and rank_search >= '.$iMaxRank;
+ $sSQL .= ' and (name is not null or housenumber is not null)';
+ $sSQL .= ' and class not in (\'waterway\')';
+ $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') ';
+ $sSQL .= ' OR ST_DWithin('.$sPointSQL.', ST_Centroid(geometry), '.$fSearchDiam.'))';
+ $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', geometry) ASC limit 1';
+ //var_dump($sSQL);
+ $aPlace = $oDB->getRow($sSQL);
+ if (PEAR::IsError($aPlace))
+ {
+ var_Dump($sSQL, $aPlace);
+ exit;
+ }
+ $iPlaceID = $aPlace['place_id'];
+ }
+
+ // The point we found might be too small - use the address to find what it is a child of
+ if ($iPlaceID)
+ {
+ $sSQL = "select address_place_id from place_addressline where cached_rank_address <= $iMaxRank and place_id = $iPlaceID order by cached_rank_address desc,isaddress desc,distance desc limit 1";
+ $iPlaceID = $oDB->getOne($sSQL);
+ if (PEAR::IsError($iPlaceID))