X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/ed85388de5215a5fc9a982e7bd2286ba8ba3fef5..e929399d4dd23fa1571dd77cf489ef51d716f5cc:/lib/ReverseGeocode.php diff --git a/lib/ReverseGeocode.php b/lib/ReverseGeocode.php index 27f8c89c..8e5e8bd1 100644 --- a/lib/ReverseGeocode.php +++ b/lib/ReverseGeocode.php @@ -47,12 +47,13 @@ class ReverseGeocode /** * Find the closest interpolation with the given search diameter. * - * @param string $sPointSQL Reverse geocoding point as SQL - * @param float $fSearchDiam Search diameter + * @param string $sPointSQL Reverse geocoding point as SQL + * @param float $fSearchDiam Search diameter + * @param integer $iParentPlaceID Id of parent object * * @return Record of the interpolation or null. */ - protected function lookupInterpolation($sPointSQL, $fSearchDiam) + protected function lookupInterpolation($sPointSQL, $fSearchDiam, $iParentPlaceID = null) { $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search,'; $sSQL .= ' ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,'; @@ -61,6 +62,9 @@ class ReverseGeocode $sSQL .= ' FROM location_property_osmline'; $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')'; $sSQL .= ' and indexed_status = 0 and startnumber is not NULL '; + if (isset($iParentPlaceID)) { + $sSQL .= ' and parent_place_id = '.$iParentPlaceID; + } $sSQL .= ' ORDER BY distance ASC limit 1'; return chksql( @@ -69,6 +73,157 @@ class ReverseGeocode ); } + protected function polygonFunctions($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']); + // if no polygon which contains the searchpoint is found, + // the noPolygonFound function searches in the country_osm_grid table for a polygon + } elseif (!$aPlace && $iMaxRank > 4) { + $aPlace = $this->noPolygonFound($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\''; + $sSQL .= ' AND country_code = \''.$sCountryCode.'\''; + $sSQL .= ' AND rank_address > 0'; + $sSQL .= ' AND rank_address <= ' .min(25, $iMaxRank); + $sSQL .= ' AND type != \'postcode\''; + $sSQL .= ' AND name IS NOT NULL '; + $sSQL .= ' and indexed_status = 0 and linked_place_id is null'; + $sSQL .= ' AND ST_DWithin('.$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), + 'Could not determine place node.' + ); + if ($aPlacNode) { + return $aPlacNode; + } + } + } + + protected function lookupPolygon($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) $iMaxRank = 25; + // no polygon search over country-level + if ($iMaxRank < 4) $iMaxRank = 4; + // search for polygon + $sSQL = 'SELECT place_id, parent_place_id, rank_address, rank_search FROM'; + $sSQL .= '(select place_id, parent_place_id, rank_address, rank_search, country_code, geometry'; + $sSQL .= ' FROM placex'; + $sSQL .= ' WHERE ST_GeometryType(geometry) in (\'ST_Polygon\', \'ST_MultiPolygon\')'; + $sSQL .= ' AND rank_address Between 4 AND ' .$iMaxRank; + $sSQL .= ' AND geometry && '.$sPointSQL; + $sSQL .= ' AND type != \'postcode\' '; + $sSQL .= ' AND name is not null'; + $sSQL .= ' AND indexed_status = 0 and linked_place_id is null'; + $sSQL .= ' ORDER BY rank_address DESC LIMIT 50 ) as a'; + $sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.' )'; + $sSQL .= ' ORDER BY rank_address DESC LIMIT 1'; + + $aPoly = chksql( + $this->oDB->getRow($sSQL), + 'Could not determine polygon containing the point.' + ); + if ($aPoly) { + // if a polygon is found, search for placenodes begins ... + $iParentPlaceID = $aPoly['parent_place_id']; + $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) { + $fSearchDiam = 4; + } elseif ($iMaxRank <= 8) { + $fSearchDiam = 2; + } elseif ($iMaxRank <= 10) { + $fSearchDiam = 1; + } elseif ($iMaxRank <= 12) { + $fSearchDiam = 0.8; + } elseif ($iMaxRank <= 17) { + $fSearchDiam = 0.6; + } elseif ($iMaxRank <= 18) { + $fSearchDiam = 0.2; + } elseif ($iMaxRank <= 25) { + $fSearchDiam = 0.1; + } + + $sSQL = 'SELECT place_id'; + $sSQL .= ' FROM ('; + $sSQL .= ' SELECT place_id, rank_address,country_code, geometry,'; + $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance'; + $sSQL .= ' FROM placex'; + $sSQL .= ' WHERE osm_type = \'N\''; + if ($iRankAddress = 16) { + // using rank_search because of a better differentiation for place nodes at rank_address 16 + $sSQL .= ' AND rank_search > '.$iRankSearch; + $sSQL .= ' AND rank_search <= ' .$iMaxRank; + $sSQL .= ' AND class = \'place\''; + } else { + $sSQL .= ' AND rank_address > '.$iRankAddress; + $sSQL .= ' AND rank_address <= ' .$iMaxRank; + } + $sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')'; + $sSQL .= ' AND type != \'postcode\''; + $sSQL .= ' AND name IS NOT NULL '; + $sSQL .= ' and indexed_status = 0 and linked_place_id is null'; + // preselection through bbox + $sSQL .= ' AND (SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.') && geometry'; + $sSQL .= ' ORDER BY distance ASC,'; + $sSQL .= ' rank_address DESC'; + $sSQL .= ' limit 500) as a'; + $sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$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), + 'Could not determine place node.' + ); + if ($aPlacNode) { + return $aPlacNode; + } + } + } + return $aPoly; + } + + public function lookup($fLat, $fLon, $bDoInterpolation = true) { return $this->lookupPoint( @@ -79,62 +234,38 @@ class ReverseGeocode public function lookupPoint($sPointSQL, $bDoInterpolation = true) { + // starts if the search is on POI or street level, + // searches for the nearest POI or street, + // if a street is found and a POI is searched for, + // the nearest POI which the found street is a parent of is choosen. $iMaxRank = $this->iMaxRank; // Find the nearest point - $fSearchDiam = 0.0004; + $fSearchDiam = 0.006; $oResult = null; $aPlace = null; $fMaxAreaDistance = 1; $bIsTigerStreet = false; - while ($oResult === null && $fSearchDiam < $fMaxAreaDistance) { - $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 && $iMaxRank > 26) { - // try with interpolations before continuing - if ($bDoInterpolation) { - $aHouse = $this->lookupInterpolation($sPointSQL, $fSearchDiam/2); - - if ($aHouse) { - $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE); - $oResult->iHouseNumber = closestHouseNumber($aHouse); - - $aPlace = $aHouse; - $iParentPlaceID = $aHouse['parent_place_id']; // the street - $iMaxRank = 30; - - break; - } - } - // no interpolation found, continue search - $iMaxRank = 26; - } - $sSQL = 'select place_id,parent_place_id,rank_search,country_code,'; - $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance'; + // for POI or street level + if ($iMaxRank >= 26) { + $sSQL = 'select place_id,parent_place_id,rank_address,country_code,'; + $sSQL .= 'CASE WHEN ST_GeometryType(geometry) in (\'ST_Polygon\',\'ST_MultiPolygon\') THEN ST_distance('.$sPointSQL.', centroid)'; + $sSQL .= ' ELSE ST_distance('.$sPointSQL.', geometry) '; + $sSQL .= ' END as distance'; $sSQL .= ' FROM '; - if ($fSearchDiam < 0.01) { - $sSQL .= ' placex'; - $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')'; - $sSQL .= ' AND'; + $sSQL .= ' placex'; + $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')'; + $sSQL .= ' AND'; + // only streets + if ($iMaxRank == 26) { + $sSQL .= ' rank_address = 26'; } else { - $sSQL .= ' (SELECT * FROM placex '; - $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')'; - $sSQL .= ' LIMIT 1000) as p WHERE'; + $sSQL .= ' rank_address between 26 and '.$iMaxRank; } - $sSQL .= ' rank_search != 28 and rank_search >= '.$iMaxRank; $sSQL .= ' and (name is not null or housenumber is not null'; - $sSQL .= ' or rank_search between 26 and 27)'; - $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')'; + $sSQL .= ' or rank_address between 26 and 27)'; + $sSQL .= ' and class not in (\'railway\',\'tunnel\',\'bridge\',\'man_made\')'; $sSQL .= ' and indexed_status = 0 and linked_place_id is null'; $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') '; $sSQL .= ' OR ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.'))'; @@ -144,80 +275,92 @@ class ReverseGeocode $this->oDB->getRow($sSQL), 'Could not determine closest place.' ); + if ($aPlace) { - $oResult = new Result($aPlace['place_id']); + $iDistance = $aPlace['distance']; + $iPlaceID = $aPlace['place_id']; + $oResult = new Result($iPlaceID); $iParentPlaceID = $aPlace['parent_place_id']; - if ($bDoInterpolation) { - if ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27) { - $bIsTigerStreet = ($aPlace['country_code'] == 'us'); - } elseif ($aPlace['rank_search'] == 30) { - // If a house was found, make sure there isn't an - // interpolation line that is closer. - $aHouse = $this->lookupInterpolation( - $sPointSQL, - $aPlace['distance'] - ); - if ($aHouse && $aPlace['distance'] < $aHouse['distance']) { - $oResult = new Result( - $aHouse['place_id'], - Result::TABLE_OSMLINE - ); - $oResult->iHouseNumber = closestHouseNumber($aHouse); - - $aPlace = $aHouse; - $iParentPlaceID = $aHouse['parent_place_id']; - } + + if ($bDoInterpolation && $iMaxRank >= 30) { + if ($aPlace['rank_address'] <=27) { + $iDistance = 0.001; + } + $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance); + + if ($aHouse) { + $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE); + $oResult->iHouseNumber = closestHouseNumber($aHouse); } } - } - } - // Only street found? In the US we can check TIGER data for nearest housenumber - if (CONST_Use_US_Tiger_Data && $bIsTigerStreet && $this->iMaxRank >= 28) { - $fSearchDiam = $aPlace['rank_search'] > 28 ? $aPlace['distance'] : 0.001; - $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search,'; - $sSQL .= 'ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,'; - $sSQL .= 'ST_distance('.$sPointSQL.', linegeo) as distance,'; - $sSQL .= 'startnumber,endnumber,interpolationtype'; - $sSQL .= ' FROM location_property_tiger WHERE parent_place_id = '.$oResult->iId; - $sSQL .= ' AND ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')'; - $sSQL .= ' ORDER BY distance ASC limit 1'; + // if street and maxrank > streetlevel + if (($aPlace['rank_address'] <=27)&& $iMaxRank > 27) { + // find the closest object (up to a certain radius) of which the street is a parent of + $sSQL = ' select place_id,parent_place_id,rank_address,country_code,'; + $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance'; + $sSQL .= ' FROM '; + $sSQL .= ' placex'; + // radius ? + $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, 0.001)'; + $sSQL .= ' AND parent_place_id = '.$iPlaceID; + $sSQL .= ' and rank_address != 28'; + $sSQL .= ' and (name is not null or housenumber is not null)'; + $sSQL .= ' and class not in (\'railway\',\'tunnel\',\'bridge\',\'man_made\')'; + $sSQL .= ' and indexed_status = 0 and linked_place_id is null'; + $sSQL .= ' ORDER BY distance ASC limit 1'; + if (CONST_Debug) var_dump($sSQL); + $aStreet = chksql( + $this->oDB->getRow($sSQL), + 'Could not determine closest place.' + ); + if ($aStreet) { + $iDistance = $aStreet['distance']; + $iPlaceID = $aStreet['place_id']; + $oResult = new Result($iPlaceID); + $iParentPlaceID = $aStreet['parent_place_id']; - if (CONST_Debug) var_dump($sSQL); + if ($bDoInterpolation && $iMaxRank >= 30) { + $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance, $iParentPlaceID); - $aPlaceTiger = chksql( - $this->oDB->getRow($sSQL), - 'Could not determine closest Tiger place.' - ); - if ($aPlaceTiger) { - if (CONST_Debug) var_dump('found Tiger housenumber', $aPlaceTiger); - $aPlace = $aPlaceTiger; - $oResult = new Result($aPlace['place_id'], Result::TABLE_TIGER); - $oResult->iHouseNumber = closestHouseNumber($aPlaceTiger); - $iParentPlaceID = $aPlace['parent_place_id']; - $iMaxRank = 30; - } - } + if ($aHouse) { + $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE); + $oResult->iHouseNumber = closestHouseNumber($aHouse); + } + } + } + } - // The point we found might be too small - use the address to find what it is a child of - if ($oResult !== null && $iMaxRank < 28) { - if ($aPlace['rank_search'] > 28 && $iParentPlaceID) { - $iPlaceID = $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; + $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search,'; + $sSQL .= 'ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,'; + $sSQL .= 'ST_distance('.$sPointSQL.', linegeo) as distance,'; + $sSQL .= 'startnumber,endnumber,interpolationtype'; + $sSQL .= ' FROM location_property_tiger WHERE parent_place_id = '.$oResult->iId; + $sSQL .= ' AND ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')'; + $sSQL .= ' ORDER BY distance ASC limit 1'; + if (CONST_Debug) var_dump($sSQL); + $aPlaceTiger = chksql( + $this->oDB->getRow($sSQL), + 'Could not determine closest Tiger place.' + ); + if ($aPlaceTiger) { + if (CONST_Debug) var_dump('found Tiger housenumber', $aPlaceTiger); + $aPlace = $aPlaceTiger; + $oResult = new Result($aPlace['place_id'], Result::TABLE_TIGER); + $oResult->iHouseNumber = closestHouseNumber($aPlaceTiger); + } + } + // if no POI or street is found ... } else { - $iPlaceID = $oResult->iId; - } - $sSQL = 'select a.address_place_id'; - $sSQL .= ' FROM place_addressline a, placex p'; - $sSQL .= " WHERE a.place_id = $iPlaceID and a.address_place_id = p.place_id"; - $sSQL .= ' AND p.linked_place_id is null'; - $sSQL .= " ORDER BY abs(cached_rank_address - $iMaxRank) asc,cached_rank_address desc,isaddress desc,distance desc"; - $sSQL .= ' LIMIT 1'; - $iPlaceID = chksql($this->oDB->getOne($sSQL), 'Could not get parent for place.'); - if ($iPlaceID) { - $oResult = new Result($iPlaceID); + $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank); } + // lower than street level ($iMaxRank < 26 ) + } else { + $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank); } - return $oResult; } }