<?php
namespace Nominatim;
require_once(CONST_BasePath.'/lib/AddressDetails.php');
require_once(CONST_BasePath.'/lib/Result.php');
class PlaceLookup
{
protected $oDB;
protected $aLangPrefOrderSql = "''";
protected $bAddressDetails = false;
protected $bExtraTags = false;
protected $bNameDetails = false;
protected $bIncludePolygonAsPoints = false;
protected $bIncludePolygonAsText = false;
protected $bIncludePolygonAsGeoJSON = false;
protected $bIncludePolygonAsKML = false;
protected $bIncludePolygonAsSVG = false;
protected $fPolygonSimplificationThreshold = 0.0;
protected $sAnchorSql = null;
protected $sAddressRankListSql = null;
protected $sAllowedTypesSQLList = null;
protected $bDeDupe = true;
public function __construct(&$oDB)
{
$this->oDB =& $oDB;
}
public function doDeDupe()
{
return $this->bDeDupe;
}
public function setIncludePolygonAsPoints($b = true)
{
$this->bIncludePolygonAsPoints = $b;
}
public function setIncludeAddressDetails($b)
{
$this->bAddressDetails = $b;
}
public function loadParamArray($oParams, $sGeomType = null)
{
$aLangs = $oParams->getPreferredLanguages();
$this->aLangPrefOrderSql =
'ARRAY['.join(',', $this->oDB->getDBQuotedList($aLangs)).']';
$this->bExtraTags = $oParams->getBool('extratags', false);
$this->bNameDetails = $oParams->getBool('namedetails', false);
$this->bDeDupe = $oParams->getBool('dedupe', $this->bDeDupe);
if ($sGeomType === null || $sGeomType == 'geojson') {
$this->bIncludePolygonAsGeoJSON = $oParams->getBool('polygon_geojson');
$this->bIncludePolygonAsPoints = false;
}
if ($oParams->getString('format', '') !== 'geojson') {
if ($sGeomType === null || $sGeomType == 'text') {
$this->bIncludePolygonAsText = $oParams->getBool('polygon_text');
}
if ($sGeomType === null || $sGeomType == 'kml') {
$this->bIncludePolygonAsKML = $oParams->getBool('polygon_kml');
}
if ($sGeomType === null || $sGeomType == 'svg') {
$this->bIncludePolygonAsSVG = $oParams->getBool('polygon_svg');
}
}
$this->fPolygonSimplificationThreshold
= $oParams->getFloat('polygon_threshold', 0.0);
$iWantedTypes =
($this->bIncludePolygonAsText ? 1 : 0) +
($this->bIncludePolygonAsGeoJSON ? 1 : 0) +
($this->bIncludePolygonAsKML ? 1 : 0) +
($this->bIncludePolygonAsSVG ? 1 : 0);
if ($iWantedTypes > CONST_PolygonOutput_MaximumTypes) {
if (CONST_PolygonOutput_MaximumTypes) {
userError('Select only '.CONST_PolygonOutput_MaximumTypes.' polgyon output option');
} else {
userError('Polygon output is disabled');
}
}
}
public function getMoreUrlParams()
{
$aParams = array();
if ($this->bAddressDetails) $aParams['addressdetails'] = '1';
if ($this->bExtraTags) $aParams['extratags'] = '1';
if ($this->bNameDetails) $aParams['namedetails'] = '1';
if ($this->bIncludePolygonAsPoints) $aParams['polygon'] = '1';
if ($this->bIncludePolygonAsText) $aParams['polygon_text'] = '1';
if ($this->bIncludePolygonAsGeoJSON) $aParams['polygon_geojson'] = '1';
if ($this->bIncludePolygonAsKML) $aParams['polygon_kml'] = '1';
if ($this->bIncludePolygonAsSVG) $aParams['polygon_svg'] = '1';
if ($this->fPolygonSimplificationThreshold > 0.0) {
$aParams['polygon_threshold'] = $this->fPolygonSimplificationThreshold;
}
if (!$this->bDeDupe) $aParams['dedupe'] = '0';
return $aParams;
}
public function setAnchorSql($sPoint)
{
$this->sAnchorSql = $sPoint;
}
public function setAddressRankList($aList)
{
$this->sAddressRankListSql = '('.join(',', $aList).')';
}
public function setAllowedTypesSQLList($sSql)
{
$this->sAllowedTypesSQLList = $sSql;
}
public function setLanguagePreference($aLangPrefOrder)
{
$this->aLangPrefOrderSql = $this->oDB->getArraySQL(
$this->oDB->getDBQuotedList($aLangPrefOrder)
);
}
private function addressImportanceSql($sGeometry, $sPlaceId)
{
if ($this->sAnchorSql) {
$sSQL = 'ST_Distance('.$this->sAnchorSql.','.$sGeometry.')';
} else {
$sSQL = '(SELECT max(ai_p.importance * (ai_p.rank_address + 2))';
$sSQL .= ' FROM place_addressline ai_s, placex ai_p';
$sSQL .= ' WHERE ai_s.place_id = '.$sPlaceId;
$sSQL .= ' AND ai_p.place_id = ai_s.address_place_id ';
$sSQL .= ' AND ai_s.isaddress ';
$sSQL .= ' AND ai_p.importance is not null)';
}
return $sSQL.' AS addressimportance,';
}
private function langAddressSql($sHousenumber)
{
if ($this->bAddressDetails)
return ''; // langaddress will be computed from address details
return 'get_address_by_language(place_id,'.$sHousenumber.','.$this->aLangPrefOrderSql.') AS langaddress,';
}
public function lookupOSMID($sType, $iID)
{
$sSQL = 'select place_id from placex where osm_type = :type and osm_id = :id';
$iPlaceID = $this->oDB->getOne($sSQL, array(':type' => $sType, ':id' => $iID));
if (!$iPlaceID) {
return null;
}
$aResults = $this->lookup(array($iPlaceID => new Result($iPlaceID)));
return empty($aResults) ? null : reset($aResults);
}
public function lookup($aResults, $iMinRank = 0, $iMaxRank = 30)
{
Debug::newFunction('Place lookup');
if (empty($aResults)) {
return array();
}
$aSubSelects = array();
$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
if ($sPlaceIDs) {
Debug::printVar('Ids from placex', $sPlaceIDs);
$sSQL = 'SELECT ';
$sSQL .= ' osm_type,';
$sSQL .= ' osm_id,';
$sSQL .= ' class,';
$sSQL .= ' type,';
$sSQL .= ' admin_level,';
$sSQL .= ' rank_search,';
$sSQL .= ' rank_address,';
$sSQL .= ' min(place_id) AS place_id,';
$sSQL .= ' min(parent_place_id) AS parent_place_id,';
$sSQL .= ' -1 as housenumber,';
$sSQL .= ' country_code,';
$sSQL .= $this->langAddressSql('-1');
$sSQL .= ' get_name_by_language(name,'.$this->aLangPrefOrderSql.') AS placename,';
$sSQL .= " get_name_by_language(name, ARRAY['ref']) AS ref,";
if ($this->bExtraTags) {
$sSQL .= 'hstore_to_json(extratags)::text AS extra,';
}
if ($this->bNameDetails) {
$sSQL .= 'hstore_to_json(name)::text AS names,';
}
$sSQL .= ' avg(ST_X(centroid)) AS lon, ';
$sSQL .= ' avg(ST_Y(centroid)) AS lat, ';
$sSQL .= ' COALESCE(importance,0.75-(rank_search::float/40)) AS importance, ';
$sSQL .= $this->addressImportanceSql(
'ST_Collect(centroid)',
'min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END)'
);
$sSQL .= " (extratags->'place') AS extra_place ";
$sSQL .= ' FROM placex';
$sSQL .= " WHERE place_id in ($sPlaceIDs) ";
$sSQL .= ' AND (';
$sSQL .= " placex.rank_address between $iMinRank and $iMaxRank ";
if (14 >= $iMinRank && 14 <= $iMaxRank) {
$sSQL .= " OR (extratags->'place') = 'city'";
}
if ($this->sAddressRankListSql) {
$sSQL .= ' OR placex.rank_address in '.$this->sAddressRankListSql;
}
$sSQL .= ' ) ';
if ($this->sAllowedTypesSQLList) {
$sSQL .= 'AND placex.class in '.$this->sAllowedTypesSQLList;
}
$sSQL .= ' AND linked_place_id is null ';
$sSQL .= ' GROUP BY ';
$sSQL .= ' osm_type, ';
$sSQL .= ' osm_id, ';
$sSQL .= ' class, ';
$sSQL .= ' type, ';
$sSQL .= ' admin_level, ';
$sSQL .= ' rank_search, ';
$sSQL .= ' rank_address, ';
$sSQL .= ' housenumber,';
$sSQL .= ' country_code, ';
$sSQL .= ' importance, ';
if (!$this->bDeDupe) $sSQL .= 'place_id,';
if (!$this->bAddressDetails) $sSQL .= 'langaddress, ';
$sSQL .= ' placename, ';
$sSQL .= ' ref, ';
if ($this->bExtraTags) $sSQL .= 'extratags, ';
if ($this->bNameDetails) $sSQL .= 'name, ';
$sSQL .= " extratags->'place' ";
$aSubSelects[] = $sSQL;
}
// postcode table
$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_POSTCODE);
if ($sPlaceIDs) {
Debug::printVar('Ids from location_postcode', $sPlaceIDs);
$sSQL = 'SELECT';
$sSQL .= " 'P' as osm_type,";
$sSQL .= ' (SELECT osm_id from placex p WHERE p.place_id = lp.parent_place_id) as osm_id,';
$sSQL .= " 'place' as class, 'postcode' as type,";
$sSQL .= ' null::smallint as admin_level, rank_search, rank_address,';
$sSQL .= ' place_id, parent_place_id,';
$sSQL .= ' -1 as housenumber,';
$sSQL .= ' country_code,';
$sSQL .= $this->langAddressSql('-1');
$sSQL .= ' postcode as placename,';
$sSQL .= ' postcode as ref,';
if ($this->bExtraTags) $sSQL .= 'null::text AS extra,';
if ($this->bNameDetails) $sSQL .= 'null::text AS names,';
$sSQL .= ' ST_x(geometry) AS lon, ST_y(geometry) AS lat,';
$sSQL .= ' (0.75-(rank_search::float/40)) AS importance, ';
$sSQL .= $this->addressImportanceSql('geometry', 'lp.parent_place_id');
$sSQL .= ' null::text AS extra_place ';
$sSQL .= 'FROM location_postcode lp';
$sSQL .= " WHERE place_id in ($sPlaceIDs) ";
$sSQL .= " AND lp.rank_address between $iMinRank and $iMaxRank";
$aSubSelects[] = $sSQL;
}
// All other tables are rank 30 only.
if ($iMaxRank == 30) {
// TIGER table
if (CONST_Use_US_Tiger_Data) {
$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_TIGER);
if ($sPlaceIDs) {
Debug::printVar('Ids from Tiger table', $sPlaceIDs);
$sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_TIGER);
// Tiger search only if a housenumber was searched and if it was found
// (realized through a join)
$sSQL = ' SELECT ';
$sSQL .= " 'T' AS osm_type, ";
$sSQL .= ' (SELECT osm_id from placex p WHERE p.place_id=blub.parent_place_id) as osm_id, ';
$sSQL .= " 'place' AS class, ";
$sSQL .= " 'house' AS type, ";
$sSQL .= ' null::smallint AS admin_level, ';
$sSQL .= ' 30 AS rank_search, ';
$sSQL .= ' 30 AS rank_address, ';
$sSQL .= ' place_id, ';
$sSQL .= ' parent_place_id, ';
$sSQL .= ' housenumber_for_place as housenumber,';
$sSQL .= " 'us' AS country_code, ";
$sSQL .= $this->langAddressSql('housenumber_for_place');
$sSQL .= ' null::text AS placename, ';
$sSQL .= ' null::text AS ref, ';
if ($this->bExtraTags) $sSQL .= 'null::text AS extra,';
if ($this->bNameDetails) $sSQL .= 'null::text AS names,';
$sSQL .= ' st_x(centroid) AS lon, ';
$sSQL .= ' st_y(centroid) AS lat,';
$sSQL .= ' -1.15 AS importance, ';
$sSQL .= $this->addressImportanceSql('centroid', 'blub.parent_place_id');
$sSQL .= ' null::text AS extra_place ';
$sSQL .= ' FROM (';
$sSQL .= ' SELECT place_id, '; // interpolate the Tiger housenumbers here
$sSQL .= ' ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) AS centroid, ';
$sSQL .= ' parent_place_id, ';
$sSQL .= ' housenumber_for_place';
$sSQL .= ' FROM (';
$sSQL .= ' location_property_tiger ';
$sSQL .= ' JOIN (values '.$sHousenumbers.') AS housenumbers(place_id, housenumber_for_place) USING(place_id)) ';
$sSQL .= ' WHERE ';
$sSQL .= ' housenumber_for_place >= startnumber';
$sSQL .= ' AND housenumber_for_place <= endnumber';
$sSQL .= ' ) AS blub'; //postgres wants an alias here
$aSubSelects[] = $sSQL;
}
}
// osmline - interpolated housenumbers
$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_OSMLINE);
if ($sPlaceIDs) {
Debug::printVar('Ids from interpolation', $sPlaceIDs);
$sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_OSMLINE);
// interpolation line search only if a housenumber was searched
// (realized through a join)
$sSQL = 'SELECT ';
$sSQL .= " 'W' AS osm_type, ";
$sSQL .= ' osm_id, ';
$sSQL .= " 'place' AS class, ";
$sSQL .= " 'house' AS type, ";
$sSQL .= ' null::smallint AS admin_level, ';
$sSQL .= ' 30 AS rank_search, ';
$sSQL .= ' 30 AS rank_address, ';
$sSQL .= ' place_id, ';
$sSQL .= ' parent_place_id, ';
$sSQL .= ' housenumber_for_place as housenumber,';
$sSQL .= ' country_code, ';
$sSQL .= $this->langAddressSql('housenumber_for_place');
$sSQL .= ' null::text AS placename, ';
$sSQL .= ' null::text AS ref, ';
if ($this->bExtraTags) $sSQL .= 'null::text AS extra, ';
if ($this->bNameDetails) $sSQL .= 'null::text AS names, ';
$sSQL .= ' st_x(centroid) AS lon, ';
$sSQL .= ' st_y(centroid) AS lat, ';
// slightly smaller than the importance for normal houses
$sSQL .= ' -0.1 AS importance, ';
$sSQL .= $this->addressImportanceSql('centroid', 'blub.parent_place_id');
$sSQL .= ' null::text AS extra_place ';
$sSQL .= ' FROM (';
$sSQL .= ' SELECT ';
$sSQL .= ' osm_id, ';
$sSQL .= ' place_id, ';
$sSQL .= ' country_code, ';
$sSQL .= ' CASE '; // interpolate the housenumbers here
$sSQL .= ' WHEN startnumber != endnumber ';
$sSQL .= ' THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ';
$sSQL .= ' ELSE ST_LineInterpolatePoint(linegeo, 0.5) ';
$sSQL .= ' END as centroid, ';
$sSQL .= ' parent_place_id, ';
$sSQL .= ' housenumber_for_place ';
$sSQL .= ' FROM (';
$sSQL .= ' location_property_osmline ';
$sSQL .= ' JOIN (values '.$sHousenumbers.') AS housenumbers(place_id, housenumber_for_place) USING(place_id)';
$sSQL .= ' ) ';
$sSQL .= ' WHERE housenumber_for_place >= 0 ';
$sSQL .= ' ) as blub'; //postgres wants an alias here
$aSubSelects[] = $sSQL;
}
if (CONST_Use_Aux_Location_data) {
$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_AUX);
if ($sPlaceIDs) {
$sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_AUX);
$sSQL = ' SELECT ';
$sSQL .= " 'L' AS osm_type, ";
$sSQL .= ' place_id AS osm_id, ';
$sSQL .= " 'place' AS class,";
$sSQL .= " 'house' AS type, ";
$sSQL .= ' null::smallint AS admin_level, ';
$sSQL .= ' 30 AS rank_search,';
$sSQL .= ' 30 AS rank_address, ';
$sSQL .= ' place_id,';
$sSQL .= ' parent_place_id, ';
$sSQL .= ' housenumber,';
$sSQL .= " 'us' AS country_code, ";
$sSQL .= $this->langAddressSql('-1');
$sSQL .= ' null::text AS placename, ';
$sSQL .= ' null::text AS ref, ';
if ($this->bExtraTags) $sSQL .= 'null::text AS extra, ';
if ($this->bNameDetails) $sSQL .= 'null::text AS names, ';
$sSQL .= ' ST_X(centroid) AS lon, ';
$sSQL .= ' ST_Y(centroid) AS lat, ';
$sSQL .= ' -1.10 AS importance, ';
$sSQL .= $this->addressImportanceSql(
'centroid',
'location_property_aux.parent_place_id'
);
$sSQL .= ' null::text AS extra_place ';
$sSQL .= ' FROM location_property_aux ';
$sSQL .= " WHERE place_id in ($sPlaceIDs) ";
$aSubSelects[] = $sSQL;
}
}
}
if (empty($aSubSelects)) {
return array();
}
$sSQL = join(' UNION ', $aSubSelects);
Debug::printSQL($sSQL);
$aPlaces = $this->oDB->getAll($sSQL, null, 'Could not lookup place');
foreach ($aPlaces as &$aPlace) {
$aPlace['importance'] = (float) $aPlace['importance'];
if ($this->bAddressDetails) {
// to get addressdetails for tiger data, the housenumber is needed
$aPlace['address'] = new AddressDetails(
$this->oDB,
$aPlace['place_id'],
$aPlace['housenumber'],
$this->aLangPrefOrderSql
);
$aPlace['langaddress'] = $aPlace['address']->getLocaleAddress();
}
if ($this->bExtraTags) {
if ($aPlace['extra']) {
$aPlace['sExtraTags'] = json_decode($aPlace['extra']);
} else {
$aPlace['sExtraTags'] = (object) array();
}
}
if ($this->bNameDetails) {
if ($aPlace['names']) {
$aPlace['sNameDetails'] = json_decode($aPlace['names']);
} else {
$aPlace['sNameDetails'] = (object) array();
}
}
$aPlace['addresstype'] = ClassTypes\getProperty(
$aPlace,
'simplelabel',
$aPlace['class']
);
}
Debug::printVar('Places', $aPlaces);
return $aPlaces;
}
/* returns an array which will contain the keys
* aBoundingBox
* and may also contain one or more of the keys
* asgeojson
* askml
* assvg
* astext
* lat
* lon
*/
public function getOutlines($iPlaceID, $fLon = null, $fLat = null, $fRadius = null, $fLonReverse = null, $fLatReverse = null)
{
$aOutlineResult = array();
if (!$iPlaceID) return $aOutlineResult;
if (CONST_Search_AreaPolygons) {
// Get the bounding box and outline polygon
$sSQL = 'select place_id,0 as numfeatures,st_area(geometry) as area,';
if ($fLonReverse != null && $fLatReverse != null) {
$sSQL .= ' ST_Y(closest_point) as centrelat,';
$sSQL .= ' ST_X(closest_point) as centrelon,';
} else {
$sSQL .= ' ST_Y(centroid) as centrelat, ST_X(centroid) as centrelon,';
}
$sSQL .= ' ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,';
$sSQL .= ' ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon';
if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ',ST_AsGeoJSON(geometry) as asgeojson';
if ($this->bIncludePolygonAsKML) $sSQL .= ',ST_AsKML(geometry) as askml';
if ($this->bIncludePolygonAsSVG) $sSQL .= ',ST_AsSVG(geometry) as assvg';
if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ',ST_AsText(geometry) as astext';
if ($fLonReverse != null && $fLatReverse != null) {
$sFrom = ' from (SELECT * , CASE WHEN (class = \'highway\') AND (ST_GeometryType(geometry) = \'ST_LineString\') THEN ';
$sFrom .=' ST_ClosestPoint(geometry, ST_SetSRID(ST_Point('.$fLatReverse.','.$fLonReverse.'),4326))';
$sFrom .=' ELSE centroid END AS closest_point';
$sFrom .= ' from placex where place_id = '.$iPlaceID.') as plx';
} else {
$sFrom = ' from placex where place_id = '.$iPlaceID;
}
if ($this->fPolygonSimplificationThreshold > 0) {
$sSQL .= ' from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,'.$this->fPolygonSimplificationThreshold.') as geometry'.$sFrom.') as plx';
} else {
$sSQL .= $sFrom;
}
$aPointPolygon = $this->oDB->getRow($sSQL, null, 'Could not get outline');
if ($aPointPolygon && $aPointPolygon['place_id']) {
if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null) {
$aOutlineResult['lat'] = $aPointPolygon['centrelat'];
$aOutlineResult['lon'] = $aPointPolygon['centrelon'];
}
if ($this->bIncludePolygonAsGeoJSON) $aOutlineResult['asgeojson'] = $aPointPolygon['asgeojson'];
if ($this->bIncludePolygonAsKML) $aOutlineResult['askml'] = $aPointPolygon['askml'];
if ($this->bIncludePolygonAsSVG) $aOutlineResult['assvg'] = $aPointPolygon['assvg'];
if ($this->bIncludePolygonAsText) $aOutlineResult['astext'] = $aPointPolygon['astext'];
if ($this->bIncludePolygonAsPoints) $aOutlineResult['aPolyPoints'] = geometryText2Points($aPointPolygon['astext'], $fRadius);
if (abs($aPointPolygon['minlat'] - $aPointPolygon['maxlat']) < 0.0000001) {
$aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
$aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
}
if (abs($aPointPolygon['minlon'] - $aPointPolygon['maxlon']) < 0.0000001) {
$aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
$aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
}
$aOutlineResult['aBoundingBox'] = array(
(string)$aPointPolygon['minlat'],
(string)$aPointPolygon['maxlat'],
(string)$aPointPolygon['minlon'],
(string)$aPointPolygon['maxlon']
);
}
}
// as a fallback we generate a bounding box without knowing the size of the geometry
if ((!isset($aOutlineResult['aBoundingBox'])) && isset($fLon)) {
//
if ($this->bIncludePolygonAsPoints) {
$sGeometryText = 'POINT('.$fLon.','.$fLat.')';
$aOutlineResult['aPolyPoints'] = geometryText2Points($sGeometryText, $fRadius);
}
$aBounds = array();
$aBounds['minlat'] = $fLat - $fRadius;
$aBounds['maxlat'] = $fLat + $fRadius;
$aBounds['minlon'] = $fLon - $fRadius;
$aBounds['maxlon'] = $fLon + $fRadius;
$aOutlineResult['aBoundingBox'] = array(
(string)$aBounds['minlat'],
(string)$aBounds['maxlat'],
(string)$aBounds['minlon'],
(string)$aBounds['maxlon']
);
}
return $aOutlineResult;
}
}