mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-11-23 13:44:36 +03:00
625 lines
28 KiB
PHP
625 lines
28 KiB
PHP
<?php
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namespace Nominatim;
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require_once(CONST_BasePath.'/lib/Result.php');
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class PlaceLookup
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{
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protected $oDB;
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protected $aLangPrefOrderSql = "''";
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protected $bAddressDetails = false;
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protected $bExtraTags = false;
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protected $bNameDetails = false;
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protected $bIncludePolygonAsPoints = false;
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protected $bIncludePolygonAsText = false;
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protected $bIncludePolygonAsGeoJSON = false;
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protected $bIncludePolygonAsKML = false;
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protected $bIncludePolygonAsSVG = false;
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protected $fPolygonSimplificationThreshold = 0.0;
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protected $sAnchorSql = null;
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protected $sAddressRankListSql = null;
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protected $sAllowedTypesSQLList = null;
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protected $bDeDupe = true;
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public function __construct(&$oDB)
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{
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$this->oDB =& $oDB;
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}
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public function doDeDupe()
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{
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return $this->bDeDupe;
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}
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public function setIncludePolygonAsPoints($b = true)
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{
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$this->bIncludePolygonAsPoints = $b;
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}
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public function loadParamArray($oParams, $sGeomType = null)
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{
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$aLangs = $oParams->getPreferredLanguages();
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$this->aLangPrefOrderSql =
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'ARRAY['.join(',', array_map('getDBQuoted', $aLangs)).']';
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$this->bAddressDetails = $oParams->getBool('addressdetails', true);
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$this->bExtraTags = $oParams->getBool('extratags', false);
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$this->bNameDetails = $oParams->getBool('namedetails', false);
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$this->bDeDupe = $oParams->getBool('dedupe', $this->bDeDupe);
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if ($sGeomType === null || $sGeomType == 'text') {
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$this->bIncludePolygonAsText = $oParams->getBool('polygon_text');
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}
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if ($sGeomType === null || $sGeomType == 'geojson') {
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$this->bIncludePolygonAsGeoJSON = $oParams->getBool('polygon_geojson');
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}
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if ($sGeomType === null || $sGeomType == 'kml') {
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$this->bIncludePolygonAsKML = $oParams->getBool('polygon_kml');
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}
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if ($sGeomType === null || $sGeomType == 'svg') {
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$this->bIncludePolygonAsSVG = $oParams->getBool('polygon_svg');
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}
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$this->fPolygonSimplificationThreshold
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= $oParams->getFloat('polygon_threshold', 0.0);
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$iWantedTypes =
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($this->bIncludePolygonAsText ? 1 : 0) +
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($this->bIncludePolygonAsGeoJSON ? 1 : 0) +
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($this->bIncludePolygonAsKML ? 1 : 0) +
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($this->bIncludePolygonAsSVG ? 1 : 0);
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if ($iWantedTypes > CONST_PolygonOutput_MaximumTypes) {
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if (CONST_PolygonOutput_MaximumTypes) {
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userError('Select only '.CONST_PolygonOutput_MaximumTypes.' polgyon output option');
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} else {
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userError('Polygon output is disabled');
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}
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}
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}
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public function getMoreUrlParams()
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{
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$aParams = array();
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if ($this->bAddressDetails) $aParams['addressdetails'] = '1';
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if ($this->bExtraTags) $aParams['extratags'] = '1';
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if ($this->bNameDetails) $aParams['namedetails'] = '1';
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if ($this->bIncludePolygonAsPoints) $aParams['polygon'] = '1';
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if ($this->bIncludePolygonAsText) $aParams['polygon_text'] = '1';
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if ($this->bIncludePolygonAsGeoJSON) $aParams['polygon_geojson'] = '1';
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if ($this->bIncludePolygonAsKML) $aParams['polygon_kml'] = '1';
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if ($this->bIncludePolygonAsSVG) $aParams['polygon_svg'] = '1';
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if ($this->fPolygonSimplificationThreshold > 0.0) {
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$aParams['polygon_threshold'] = $this->fPolygonSimplificationThreshold;
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}
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if (!$this->bDeDupe) $aParams['dedupe'] = '0';
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return $aParams;
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}
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public function setAnchorSql($sPoint)
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{
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$this->sAnchorSql = $sPoint;
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}
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public function setAddressRankList($aList)
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{
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$this->sAddressRankListSql = '('.join(',', $aList).')';
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}
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public function setAllowedTypesSQLList($sSql)
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{
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$this->sAllowedTypesSQLList = $sSql;
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}
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public function setLanguagePreference($aLangPrefOrder)
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{
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$this->aLangPrefOrderSql =
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'ARRAY['.join(',', array_map('getDBQuoted', $aLangPrefOrder)).']';
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}
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public function setIncludeAddressDetails($bAddressDetails = true)
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{
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$this->bAddressDetails = $bAddressDetails;
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}
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private function addressImportanceSql($sGeometry, $sPlaceId)
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{
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if ($this->sAnchorSql) {
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$sSQL = 'ST_Distance('.$this->sAnchorSql.','.$sGeometry.')';
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} else {
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$sSQL = '(SELECT max(ai_p.importance * (ai_p.rank_address + 2))';
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$sSQL .= ' FROM place_addressline ai_s, placex ai_p';
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$sSQL .= ' WHERE ai_s.place_id = '.$sPlaceId;
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$sSQL .= ' AND ai_p.place_id = ai_s.address_place_id ';
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$sSQL .= ' AND ai_s.isaddress ';
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$sSQL .= ' AND ai_p.importance is not null)';
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}
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return $sSQL.' AS addressimportance,';
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}
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private function langAddressSql($sHousenumber)
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{
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return 'get_address_by_language(place_id,'.$sHousenumber.','.$this->aLangPrefOrderSql.') AS langaddress,';
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}
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public function lookupOSMID($sType, $iID)
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{
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$sSQL = "select place_id from placex where osm_type = '".$sType."' and osm_id = ".$iID;
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$iPlaceID = chksql($this->oDB->getOne($sSQL));
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if (!$iPlaceID) {
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return null;
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}
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$aResults = $this->lookup(array($iPlaceID => new Result($iPlaceID)));
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return empty($aResults) ? null : reset($aResults);
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}
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public function lookup($aResults, $iMinRank = 0, $iMaxRank = 30)
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{
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Debug::newFunction('Place lookup');
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if (empty($aResults)) {
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return array();
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}
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$aSubSelects = array();
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$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
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if ($sPlaceIDs) {
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Debug::printVar('Ids from placex', $sPlaceIDs);
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$sSQL = 'SELECT ';
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$sSQL .= ' osm_type,';
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$sSQL .= ' osm_id,';
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$sSQL .= ' class,';
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$sSQL .= ' type,';
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$sSQL .= ' admin_level,';
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$sSQL .= ' rank_search,';
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$sSQL .= ' rank_address,';
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$sSQL .= ' min(place_id) AS place_id,';
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$sSQL .= ' min(parent_place_id) AS parent_place_id,';
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$sSQL .= ' -1 as housenumber,';
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$sSQL .= ' country_code,';
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$sSQL .= $this->langAddressSql('-1');
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$sSQL .= ' get_name_by_language(name,'.$this->aLangPrefOrderSql.') AS placename,';
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$sSQL .= " get_name_by_language(name, ARRAY['ref']) AS ref,";
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if ($this->bExtraTags) {
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$sSQL .= 'hstore_to_json(extratags)::text AS extra,';
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}
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if ($this->bNameDetails) {
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$sSQL .= 'hstore_to_json(name)::text AS names,';
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}
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$sSQL .= ' avg(ST_X(centroid)) AS lon, ';
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$sSQL .= ' avg(ST_Y(centroid)) AS lat, ';
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$sSQL .= ' COALESCE(importance,0.75-(rank_search::float/40)) AS importance, ';
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$sSQL .= $this->addressImportanceSql(
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'ST_Collect(centroid)',
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'min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END)'
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);
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$sSQL .= " (extratags->'place') AS extra_place ";
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$sSQL .= ' FROM placex';
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$sSQL .= " WHERE place_id in ($sPlaceIDs) ";
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$sSQL .= ' AND (';
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$sSQL .= " placex.rank_address between $iMinRank and $iMaxRank ";
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if (14 >= $iMinRank && 14 <= $iMaxRank) {
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$sSQL .= " OR (extratags->'place') = 'city'";
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}
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if ($this->sAddressRankListSql) {
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$sSQL .= ' OR placex.rank_address in '.$this->sAddressRankListSql;
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}
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$sSQL .= ' ) ';
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if ($this->sAllowedTypesSQLList) {
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$sSQL .= 'AND placex.class in '.$this->sAllowedTypesSQLList;
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}
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$sSQL .= ' AND linked_place_id is null ';
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$sSQL .= ' GROUP BY ';
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$sSQL .= ' osm_type, ';
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$sSQL .= ' osm_id, ';
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$sSQL .= ' class, ';
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$sSQL .= ' type, ';
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$sSQL .= ' admin_level, ';
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$sSQL .= ' rank_search, ';
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$sSQL .= ' rank_address, ';
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$sSQL .= ' housenumber,';
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$sSQL .= ' country_code, ';
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$sSQL .= ' importance, ';
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if (!$this->bDeDupe) $sSQL .= 'place_id,';
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$sSQL .= ' langaddress, ';
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$sSQL .= ' placename, ';
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$sSQL .= ' ref, ';
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if ($this->bExtraTags) $sSQL .= 'extratags, ';
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if ($this->bNameDetails) $sSQL .= 'name, ';
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$sSQL .= " extratags->'place' ";
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$aSubSelects[] = $sSQL;
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}
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// postcode table
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$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_POSTCODE);
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if ($sPlaceIDs) {
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Debug::printVar('Ids from location_postcode', $sPlaceIDs);
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$sSQL = 'SELECT';
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$sSQL .= " 'P' as osm_type,";
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$sSQL .= ' (SELECT osm_id from placex p WHERE p.place_id = lp.parent_place_id) as osm_id,';
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$sSQL .= " 'place' as class, 'postcode' as type,";
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$sSQL .= ' null as admin_level, rank_search, rank_address,';
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$sSQL .= ' place_id, parent_place_id,';
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$sSQL .= ' null as housenumber,';
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$sSQL .= ' country_code,';
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$sSQL .= $this->langAddressSql('-1');
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$sSQL .= ' postcode as placename,';
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$sSQL .= ' postcode as ref,';
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if ($this->bExtraTags) $sSQL .= 'null AS extra,';
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if ($this->bNameDetails) $sSQL .= 'null AS names,';
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$sSQL .= ' ST_x(geometry) AS lon, ST_y(geometry) AS lat,';
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$sSQL .= ' (0.75-(rank_search::float/40)) AS importance, ';
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$sSQL .= $this->addressImportanceSql('geometry', 'lp.parent_place_id');
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$sSQL .= ' null AS extra_place ';
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$sSQL .= 'FROM location_postcode lp';
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$sSQL .= " WHERE place_id in ($sPlaceIDs) ";
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$sSQL .= " AND lp.rank_address between $iMinRank and $iMaxRank";
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$aSubSelects[] = $sSQL;
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}
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// All other tables are rank 30 only.
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if ($iMaxRank == 30) {
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// TIGER table
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if (CONST_Use_US_Tiger_Data) {
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$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_TIGER);
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if ($sPlaceIDs) {
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Debug::printVar('Ids from Tiger table', $sPlaceIDs);
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$sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_TIGER);
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// Tiger search only if a housenumber was searched and if it was found
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// (realized through a join)
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$sSQL = ' SELECT ';
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$sSQL .= " 'T' AS osm_type, ";
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$sSQL .= ' (SELECT osm_id from placex p WHERE p.place_id=blub.parent_place_id) as osm_id, ';
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$sSQL .= " 'place' AS class, ";
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$sSQL .= " 'house' AS type, ";
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$sSQL .= ' null AS admin_level, ';
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$sSQL .= ' 30 AS rank_search, ';
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$sSQL .= ' 30 AS rank_address, ';
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$sSQL .= ' place_id, ';
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$sSQL .= ' parent_place_id, ';
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$sSQL .= ' housenumber_for_place as housenumber,';
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$sSQL .= " 'us' AS country_code, ";
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$sSQL .= $this->langAddressSql('housenumber_for_place');
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$sSQL .= ' null AS placename, ';
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$sSQL .= ' null AS ref, ';
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if ($this->bExtraTags) $sSQL .= 'null AS extra,';
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if ($this->bNameDetails) $sSQL .= 'null AS names,';
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$sSQL .= ' st_x(centroid) AS lon, ';
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$sSQL .= ' st_y(centroid) AS lat,';
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$sSQL .= ' -1.15 AS importance, ';
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$sSQL .= $this->addressImportanceSql('centroid', 'blub.parent_place_id');
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$sSQL .= ' null AS extra_place ';
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$sSQL .= ' FROM (';
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$sSQL .= ' SELECT place_id, '; // interpolate the Tiger housenumbers here
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$sSQL .= ' ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) AS centroid, ';
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$sSQL .= ' parent_place_id, ';
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$sSQL .= ' housenumber_for_place';
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$sSQL .= ' FROM (';
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$sSQL .= ' location_property_tiger ';
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$sSQL .= ' JOIN (values '.$sHousenumbers.') AS housenumbers(place_id, housenumber_for_place) USING(place_id)) ';
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$sSQL .= ' WHERE ';
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$sSQL .= ' housenumber_for_place >= startnumber';
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$sSQL .= ' AND housenumber_for_place <= endnumber';
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$sSQL .= ' ) AS blub'; //postgres wants an alias here
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$aSubSelects[] = $sSQL;
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}
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}
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// osmline - interpolated housenumbers
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$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_OSMLINE);
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if ($sPlaceIDs) {
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Debug::printVar('Ids from interpolation', $sPlaceIDs);
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$sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_OSMLINE);
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// interpolation line search only if a housenumber was searched
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// (realized through a join)
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$sSQL = 'SELECT ';
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$sSQL .= " 'W' AS osm_type, ";
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$sSQL .= ' osm_id, ';
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$sSQL .= " 'place' AS class, ";
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$sSQL .= " 'house' AS type, ";
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$sSQL .= ' 15 AS admin_level, ';
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$sSQL .= ' 30 AS rank_search, ';
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$sSQL .= ' 30 AS rank_address, ';
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$sSQL .= ' place_id, ';
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$sSQL .= ' parent_place_id, ';
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$sSQL .= ' housenumber_for_place as housenumber,';
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$sSQL .= ' country_code, ';
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$sSQL .= $this->langAddressSql('housenumber_for_place');
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$sSQL .= ' null AS placename, ';
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$sSQL .= ' null AS ref, ';
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if ($this->bExtraTags) $sSQL .= 'null AS extra, ';
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if ($this->bNameDetails) $sSQL .= 'null AS names, ';
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$sSQL .= ' st_x(centroid) AS lon, ';
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$sSQL .= ' st_y(centroid) AS lat, ';
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// slightly smaller than the importance for normal houses
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$sSQL .= ' -0.1 AS importance, ';
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$sSQL .= $this->addressImportanceSql('centroid', 'blub.parent_place_id');
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$sSQL .= ' null AS extra_place ';
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$sSQL .= ' FROM (';
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$sSQL .= ' SELECT ';
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$sSQL .= ' osm_id, ';
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$sSQL .= ' place_id, ';
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$sSQL .= ' country_code, ';
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$sSQL .= ' CASE '; // interpolate the housenumbers here
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$sSQL .= ' WHEN startnumber != endnumber ';
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$sSQL .= ' THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ';
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$sSQL .= ' ELSE ST_LineInterpolatePoint(linegeo, 0.5) ';
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$sSQL .= ' END as centroid, ';
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$sSQL .= ' parent_place_id, ';
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$sSQL .= ' housenumber_for_place ';
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$sSQL .= ' FROM (';
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$sSQL .= ' location_property_osmline ';
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$sSQL .= ' JOIN (values '.$sHousenumbers.') AS housenumbers(place_id, housenumber_for_place) USING(place_id)';
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$sSQL .= ' ) ';
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$sSQL .= ' WHERE housenumber_for_place >= 0 ';
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$sSQL .= ' ) as blub'; //postgres wants an alias here
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$aSubSelects[] = $sSQL;
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}
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if (CONST_Use_Aux_Location_data) {
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$sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_AUX);
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if ($sPlaceIDs) {
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$sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_AUX);
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$sSQL = ' SELECT ';
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$sSQL .= " 'L' AS osm_type, ";
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$sSQL .= ' place_id AS osm_id, ';
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$sSQL .= " 'place' AS class,";
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$sSQL .= " 'house' AS type, ";
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$sSQL .= ' null AS admin_level, ';
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$sSQL .= ' 30 AS rank_search,';
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$sSQL .= ' 30 AS rank_address, ';
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$sSQL .= ' place_id,';
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$sSQL .= ' parent_place_id, ';
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$sSQL .= ' housenumber,';
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$sSQL .= " 'us' AS country_code, ";
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$sSQL .= $this->langAddressSql('-1');
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$sSQL .= ' null AS placename, ';
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$sSQL .= ' null AS ref, ';
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if ($this->bExtraTags) $sSQL .= 'null AS extra, ';
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if ($this->bNameDetails) $sSQL .= 'null AS names, ';
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$sSQL .= ' ST_X(centroid) AS lon, ';
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$sSQL .= ' ST_Y(centroid) AS lat, ';
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$sSQL .= ' -1.10 AS importance, ';
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$sSQL .= $this->addressImportanceSql(
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'centroid',
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'location_property_aux.parent_place_id'
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);
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$sSQL .= ' null AS extra_place ';
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$sSQL .= ' FROM location_property_aux ';
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$sSQL .= " WHERE place_id in ($sPlaceIDs) ";
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$aSubSelects[] = $sSQL;
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}
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}
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}
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if (empty($aSubSelects)) {
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return array();
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}
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$sSQL = join(' UNION ', $aSubSelects);
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Debug::printSQL($sSQL);
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$aPlaces = chksql($this->oDB->getAll($sSQL), 'Could not lookup place');
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$aClassType = getClassTypes();
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foreach ($aPlaces as &$aPlace) {
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if ($this->bAddressDetails) {
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// to get addressdetails for tiger data, the housenumber is needed
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$aPlace['aAddress'] = $this->getAddressNames(
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$aPlace['place_id'],
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$aPlace['housenumber']
|
|
);
|
|
}
|
|
|
|
if ($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();
|
|
}
|
|
}
|
|
|
|
$sAddressType = '';
|
|
$sClassType = $aPlace['class'].':'.$aPlace['type'].':'.$aPlace['admin_level'];
|
|
if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel'])) {
|
|
$sAddressType = $aClassType[$aClassType]['simplelabel'];
|
|
} else {
|
|
$sClassType = $aPlace['class'].':'.$aPlace['type'];
|
|
if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel']))
|
|
$sAddressType = $aClassType[$sClassType]['simplelabel'];
|
|
else $sAddressType = $aPlace['class'];
|
|
}
|
|
|
|
$aPlace['addresstype'] = $sAddressType;
|
|
}
|
|
|
|
Debug::printVar('Places', $aPlaces);
|
|
|
|
return $aPlaces;
|
|
}
|
|
|
|
public function getAddressDetails($iPlaceID, $bAll = false, $sHousenumber = -1)
|
|
{
|
|
$sSQL = 'SELECT *,';
|
|
$sSQL .= ' get_name_by_language(name,'.$this->aLangPrefOrderSql.') as localname';
|
|
$sSQL .= ' FROM get_addressdata('.$iPlaceID.','.$sHousenumber.')';
|
|
if (!$bAll) {
|
|
$sSQL .= " WHERE isaddress OR type = 'country_code'";
|
|
}
|
|
$sSQL .= ' ORDER BY rank_address desc,isaddress DESC';
|
|
|
|
return chksql($this->oDB->getAll($sSQL));
|
|
}
|
|
|
|
public function getAddressNames($iPlaceID, $sHousenumber = null)
|
|
{
|
|
$aAddressLines = $this->getAddressDetails(
|
|
$iPlaceID,
|
|
false,
|
|
$sHousenumber === null ? -1 : $sHousenumber
|
|
);
|
|
|
|
$aAddress = array();
|
|
$aFallback = array();
|
|
$aClassType = getClassTypes();
|
|
foreach ($aAddressLines as $aLine) {
|
|
$bFallback = false;
|
|
$aTypeLabel = false;
|
|
if (isset($aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']])) {
|
|
$aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']];
|
|
} elseif (isset($aClassType[$aLine['class'].':'.$aLine['type']])) {
|
|
$aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type']];
|
|
} elseif (isset($aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))])) {
|
|
$aTypeLabel = $aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))];
|
|
$bFallback = true;
|
|
} else {
|
|
$aTypeLabel = array('simplelabel' => 'address'.$aLine['rank_address']);
|
|
$bFallback = true;
|
|
}
|
|
if ($aTypeLabel && ((isset($aLine['localname']) && $aLine['localname']) || (isset($aLine['housenumber']) && $aLine['housenumber']))) {
|
|
$sTypeLabel = strtolower(isset($aTypeLabel['simplelabel'])?$aTypeLabel['simplelabel']:$aTypeLabel['label']);
|
|
$sTypeLabel = str_replace(' ', '_', $sTypeLabel);
|
|
if (!isset($aAddress[$sTypeLabel]) || (isset($aFallback[$sTypeLabel]) && $aFallback[$sTypeLabel]) || $aLine['class'] == 'place') {
|
|
$aAddress[$sTypeLabel] = $aLine['localname']?$aLine['localname']:$aLine['housenumber'];
|
|
}
|
|
$aFallback[$sTypeLabel] = $bFallback;
|
|
}
|
|
}
|
|
return $aAddress;
|
|
}
|
|
|
|
|
|
|
|
/* returns an array which will contain the keys
|
|
* aBoundingBox
|
|
* and may also contain one or more of the keys
|
|
* asgeojson
|
|
* askml
|
|
* assvg
|
|
* astext
|
|
* lat
|
|
* lon
|
|
*/
|
|
|
|
|
|
public function getOutlines($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 .= ' CASE WHEN (class = \'highway\') AND (ST_GeometryType(geometry) = \'ST_LineString\') THEN';
|
|
$sSQL .= ' ST_Y(ST_LineInterpolatePoint(geometry,';
|
|
$sSQL .= ' ST_LineLocatePoint(geometry, ST_SetSRID(ST_Point('.$fLatReverse.','.$fLonReverse.'),4326))))';
|
|
$sSQL .= ' ELSE ST_Y(centroid) ';
|
|
$sSQL .= ' END as centrelat, ';
|
|
$sSQL .= ' CASE WHEN (class = \'highway\') AND (ST_GeometryType(geometry) = \'ST_LineString\') THEN';
|
|
$sSQL .= ' ST_X(ST_LineInterpolatePoint(geometry,';
|
|
$sSQL .= ' ST_LineLocatePoint(geometry, ST_SetSRID(ST_Point('.$fLatReverse.','.$fLonReverse.'),4326))))';
|
|
$sSQL .= ' ELSE ST_X(centroid) ';
|
|
$sSQL .= ' END 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';
|
|
$sFrom = ' from placex where place_id = '.$iPlaceID;
|
|
if ($this->fPolygonSimplificationThreshold > 0) {
|
|
$sSQL .= ' from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,'.$this->fPolygonSimplificationThreshold.') as geometry'.$sFrom.') as plx';
|
|
} else {
|
|
$sSQL .= $sFrom;
|
|
}
|
|
|
|
$aPointPolygon = chksql($this->oDB->getRow($sSQL), 'Could not get outline');
|
|
|
|
if ($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;
|
|
}
|
|
}
|