X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/2bd7c75a35ab26891f2bec8927fe088c7cf0232f..8f0b3cb00f0d3f7b101a742e7480903ff0e89a2a:/lib/ReverseGeocode.php diff --git a/lib/ReverseGeocode.php b/lib/ReverseGeocode.php index d06166a5..5648fedf 100644 --- a/lib/ReverseGeocode.php +++ b/lib/ReverseGeocode.php @@ -72,12 +72,12 @@ class ReverseGeocode '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']); @@ -91,34 +91,55 @@ class ReverseGeocode } 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'; + + // 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\''; $sSQL .= ' AND country_code = \''.$sCountryCode.'\''; - $sSQL .= ' AND rank_address > 0'; - $sSQL .= ' AND rank_address <= ' .min(25, $iMaxRank); + $sSQL .= ' AND rank_search > 4'; + $sSQL .= ' AND rank_search <= ' .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'; + $sSQL .= ' AND ST_DWithin('.$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), + 'Could not determine place node.' + ); + 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), @@ -129,22 +150,22 @@ class ReverseGeocode } } } - + 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) $iMaxRank = 4; + if ($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\')'; - $sSQL .= ' AND rank_address Between 4 AND ' .$iMaxRank; + $sSQL .= ' AND rank_address Between 5 AND ' .$iMaxRank; $sSQL .= ' AND geometry && '.$sPointSQL; $sSQL .= ' AND type != \'postcode\' '; $sSQL .= ' AND name is not null'; @@ -163,53 +184,31 @@ class ReverseGeocode $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 ('; - $sSQL .= ' SELECT place_id, rank_address,country_code, geometry,'; + if ($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'; $sSQL .= ' WHERE osm_type = \'N\''; - if ($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.')'; + // 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'; + $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 .= ' 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), @@ -222,7 +221,7 @@ class ReverseGeocode } return $aPoly; } - + public function lookup($fLat, $fLon, $bDoInterpolation = true) { @@ -246,7 +245,7 @@ class ReverseGeocode $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,'; @@ -275,14 +274,13 @@ class ReverseGeocode $this->oDB->getRow($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; @@ -294,7 +292,7 @@ class ReverseGeocode $oResult->iHouseNumber = closestHouseNumber($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 @@ -320,7 +318,7 @@ class ReverseGeocode $iPlaceID = $aStreet['place_id']; $oResult = new Result($iPlaceID); $iParentPlaceID = $aStreet['parent_place_id']; - + if ($bDoInterpolation && $iMaxRank >= 30) { $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance, $iParentPlaceID); @@ -331,7 +329,7 @@ class ReverseGeocode } } } - + // 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;