X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/cb76635da768d0ba63f12eb8e8d53b6d0d29c373..8f0b3cb00f0d3f7b101a742e7480903ff0e89a2a:/lib/ReverseGeocode.php diff --git a/lib/ReverseGeocode.php b/lib/ReverseGeocode.php index 83f6c7e3..5648fedf 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; + } $sSQL .= ' ORDER BY distance ASC limit 1'; return chksql( @@ -68,40 +72,57 @@ class ReverseGeocode 'Could not determine closest housenumber on an osm interpolation line.' ); } - - protected function lookupPolygon($sPointSQL, $iMaxRank) + + protected function polygonFunctions($sPointSQL, $iMaxRank) { - $sSQL = 'select place_id,parent_place_id,rank_search,country_code, geometry'; - $sSQL .= ' FROM placex'; - $sSQL .= ' WHERE ST_GeometryType(geometry) in (\'ST_Polygon\',\'ST_MultiPolygon\')'; - $sSQL .= ' AND rank_search <= LEAST(25, '.$iMaxRank.')'; - $sSQL .= ' AND ST_CONTAINS(geometry, '.$sPointSQL.' )'; - $sSQL .= ' AND type != \'postcode\' '; - $sSQL .= ' AND name IS NOT NULL '; - $sSQL .= ' ORDER BY rank_search DESC LIMIT 1'; + // 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) { - $iParentPlaceID = $aPoly['parent_place_id']; - $iRankSearch = $aPoly['rank_search']; - $iPlaceID = $aPoly['place_id']; - - $sSQL = 'select place_id,parent_place_id,rank_search,country_code, linked_place_id,'; - $sSQL .=' ST_distance('.$sPointSQL.', geometry) as distance'; + $sCountryCode = $aPoly['country_code']; + + // look for place nodes with the given country code + $sSQL = 'SELECT place_id FROM'; + $sSQL .= ' (SELECT place_id, rank_search,'; + $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance'; $sSQL .= ' FROM placex'; $sSQL .= ' WHERE osm_type = \'N\''; - $sSQL .= ' AND rank_search >= '.$iRankSearch; - $sSQL .= ' AND rank_search <= LEAST(25, '.$iMaxRank.')'; - $sSQL .= ' AND ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )'; + $sSQL .= ' AND country_code = \''.$sCountryCode.'\''; + $sSQL .= ' AND rank_search > 4'; + $sSQL .= ' AND rank_search <= ' .min(25, $iMaxRank); $sSQL .= ' AND type != \'postcode\''; $sSQL .= ' AND name IS NOT NULL '; - $sSQL .= ' AND class not in ( \'waterway\')'; - $sSQL .= ' ORDER BY distance ASC,'; - $sSQL .= ' rank_search DESC'; - $sSQL .= ' limit 1'; + $sSQL .= ' and indexed_status = 0 and linked_place_id is null'; + $sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, 5.0)) p '; + $sSQL .= 'WHERE distance <= reverse_place_diameter(rank_search)'; + $sSQL .= ' ORDER BY rank_search DESC, distance ASC'; + $sSQL .= ' LIMIT 1'; + if (CONST_Debug) var_dump($sSQL); $aPlacNode = chksql( $this->oDB->getRow($sSQL), @@ -110,10 +131,98 @@ class ReverseGeocode if ($aPlacNode) { return $aPlacNode; } + + // still nothing, then return the country object + $sSQL = 'SELECT place_id, ST_distance('.$sPointSQL.', centroid) as distance'; + $sSQL .= ' FROM placex'; + $sSQL .= ' WHERE country_code = \''.$sCountryCode.'\''; + $sSQL .= ' AND rank_search = 4 AND rank_address = 4'; + $sSQL .= ' AND class in (\'boundary\', \'place\')'; + $sSQL .= ' ORDER BY distance ASC'; + + if (CONST_Debug) var_dump($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 < 5) $iMaxRank = 5; + // 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\')'; + $sSQL .= ' AND rank_address Between 5 AND ' .$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) { + $sSQL = 'SELECT place_id FROM '; + $sSQL .= '(SELECT place_id, rank_search, country_code, geometry,'; + $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance'; + $sSQL .= ' FROM placex'; + $sSQL .= ' WHERE osm_type = \'N\''; + // 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\''; + $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 .= ' AND distance <= reverse_place_diameter(rank_search)'; + $sSQL .= ' ORDER BY distance ASC, rank_search 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 $this->lookupPoint( @@ -124,7 +233,10 @@ class ReverseGeocode public function lookupPoint($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 @@ -133,11 +245,10 @@ class ReverseGeocode $aPlace = null; $fMaxAreaDistance = 1; $bIsTigerStreet = false; - + // for POI or street level - if ( $iMaxRank >= 26 ) { - - $sSQL = 'select place_id,parent_place_id,rank_search,country_code,'; + if ($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'; @@ -147,14 +258,13 @@ class ReverseGeocode $sSQL .= ' AND'; // only streets if ($iMaxRank == 26) { - $sSQL .= ' rank_search != 28 and rank_search = 26'; + $sSQL .= ' rank_address = 26'; } else { - $sSQL .= ' rank_search != 28 and rank_search >= 26'; + $sSQL .= ' rank_address between 26 and '.$iMaxRank; } $sSQL .= ' and (name is not null or housenumber is not null'; - $sSQL .= ' or rank_search between 26 and 27)'; - $sSQL .= ' and type not in (\'proposed\')'; - $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.'))'; @@ -164,58 +274,92 @@ class ReverseGeocode $this->oDB->getRow($sSQL), 'Could not determine closest place.' ); - + if ($aPlace) { - $iPlaceID = $aPlace['place_id']; - $oResult = new Result($iPlaceID); - $iParentPlaceID = $aPlace['parent_place_id']; - // if street and maxrank > streetlevel - if (($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 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_search,country_code,'; - $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance'; - $sSQL .= ' FROM '; - $sSQL .= ' placex'; - // radius ? - $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, 0.003)'; - $sSQL .= ' AND parent_place_id = '.$iPlaceID; - $sSQL .= ' and (name is not null or housenumber is not 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) { - $iPlaceID = $aStreet['place_id']; - $oResult = new Result($iPlaceID); - $iParentPlaceID = $aStreet['parent_place_id']; - } - } - }else{ - $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank); - if ($aPlace) { - // if place node is found adress goes over linked_place_id - if (!empty($aPlace['linked_place_id'])) { - $oResult = new Result($aPlace['linked_place_id']); - }else{ - $oResult = new Result($aPlace['place_id']); + $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; + } + $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance); + + if ($aHouse) { + $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE); + $oResult->iHouseNumber = closestHouseNumber($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 + $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 = $aStreet['parent_place_id']; + + if ($bDoInterpolation && $iMaxRank >= 30) { + $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance, $iParentPlaceID); + + if ($aHouse) { + $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE); + $oResult->iHouseNumber = closestHouseNumber($aHouse); + } } } } - // lower than street level ($iMaxRank < 26 ) - }else{ - $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank); - if ($aPlace) { - // if place node is found adress goes over linked_place_id - if (!empty($aPlace['linked_place_id'])) { - $oResult = new Result($aPlace['linked_place_id']); - }else{ - $oResult = new Result($aPlace['place_id']); + + // 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 { + $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank); } + // lower than street level ($iMaxRank < 26 ) + } else { + $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank); + } return $oResult; } - -} \ No newline at end of file +}