/**
* 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,';
$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;
+ }
$sSQL .= ' ORDER BY distance ASC limit 1';
return chksql(
);
}
- protected function lookupPolygon($sPointSQL, $iMaxRank)
+ protected function polygonFunctions($sPointSQL, $iMaxRank)
{
-
+ // starts the nopolygonFound function if no polygon is found with the lookupPolygon function
$oResult = null;
- $aPlace = null;
-
- $sSQL = 'SELECT * FROM';
- $sSQL .= '(select place_id,parent_place_id,rank_address,country_code, geometry';
+
+ $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 <= ' .Min(25, $iMaxRank);
+ $sSQL .= ' AND rank_address Between 4 AND ' .$iMaxRank;
$sSQL .= ' AND geometry && '.$sPointSQL;
$sSQL .= ' AND type != \'postcode\' ';
$sSQL .= ' AND name is not null';
'Could not determine polygon containing the point.'
);
if ($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) {
- $sSQL = 'SELECT *';
+ //search diameter for the place node search
+ if ($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\'';
- $sSQL .= ' AND rank_address > '.$iRankAddress;
- $sSQL .= ' AND rank_address <= ' .Min(25, $iMaxRank);
+ if ($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';
$sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$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),
return $aPoly;
}
+
public function lookup($fLat, $fLon, $bDoInterpolation = true)
{
return $this->lookupPoint(
public function lookupPoint($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
$aPlace = null;
$fMaxAreaDistance = 1;
$bIsTigerStreet = false;
-
- // try with interpolations before continuing
- if ($bDoInterpolation && $iMaxRank >= 30 ) {
- $aHouse = $this->lookupInterpolation($sPointSQL, $fSearchDiam/3);
-
- if ($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;
-
- return $oResult;
- }
- }// no interpolation found, continue search
-
+
// for POI or street level
if ($iMaxRank >= 26) {
$sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
if ($iMaxRank == 26) {
$sSQL .= ' rank_address = 26';
} else {
- $sSQL .= ' rank_address >= 26';
+ $sSQL .= ' rank_address between 26 and '.$iMaxRank;
}
$sSQL .= ' and (name is not null or housenumber is not null';
$sSQL .= ' or rank_address between 26 and 27)';
- $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
+ $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.'))';
$this->oDB->getRow($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_address'] == 26 || $aPlace['rank_address'] == 27)&& $iMaxRank > 27) {
+ $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';
$sSQL .= ' WHERE ST_DWithin('.$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 .= ' or rank_address between 26 and 27)';
- $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
+ $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);
'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);
+ }
+ }
}
}
- } else {
- $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
- if ($aPlace) {
- $oResult = new Result($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 {
- $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
- if ($aPlace) {
- $oResult = new Result($aPlace['place_id']);
- }
+ $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank);
}
return $oResult;
}
projects / nominatim.git / blobdiff