<?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
namespace Nominatim;
protected function lookupLargeArea($sPointSQL, $iMaxRank)
{
- $oResult = null;
-
if ($iMaxRank > 4) {
$aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
if ($aPlace) {
$sSQL .= ' FROM placex';
$sSQL .= ' WHERE osm_type = \'N\'';
$sSQL .= ' AND country_code = \''.$sCountryCode.'\'';
+ $sSQL .= ' AND rank_search < 26 '; // needed to select right index
$sSQL .= ' AND rank_search between 5 and ' .min(25, $iMaxRank);
$sSQL .= ' AND class = \'place\' AND type != \'postcode\'';
$sSQL .= ' AND name IS NOT NULL ';
{
Debug::newFunction('lookupPolygon');
// polygon search begins at suburb-level
- if ($iMaxRank > 25) $iMaxRank = 25;
+ if ($iMaxRank > 25) {
+ $iMaxRank = 25;
+ }
// no polygon search over country-level
- if ($iMaxRank < 5) $iMaxRank = 5;
+ if ($iMaxRank < 5) {
+ $iMaxRank = 5;
+ }
// search for polygon
$sSQL = 'SELECT place_id, parent_place_id, rank_address, rank_search FROM';
$sSQL .= '(select place_id, parent_place_id, rank_address, rank_search, country_code, geometry';
if ($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'];
// for place nodes at rank_address 16
$sSQL .= ' AND rank_search > '.$iRankSearch;
$sSQL .= ' AND rank_search <= '.$iMaxRank;
+ $sSQL .= ' AND rank_search < 26 '; // needed to select right index
$sSQL .= ' AND rank_address > 0';
$sSQL .= ' AND class = \'place\'';
$sSQL .= ' AND type != \'postcode\'';
public function lookupPoint($sPointSQL, $bDoInterpolation = true)
{
Debug::newFunction('lookupPoint');
- // 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
$fSearchDiam = 0.006;
$oResult = null;
$aPlace = null;
// for POI or street level
- if ($iMaxRank >= 26) {
+ if ($this->iMaxRank >= 26) {
+ // 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.
$sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
$sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
$sSQL .= ' FROM ';
$sSQL .= ' placex';
$sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
$sSQL .= ' AND';
- $sSQL .= ' rank_address between 26 and '.$iMaxRank;
+ $sSQL .= ' rank_address between 26 and '.$this->iMaxRank;
$sSQL .= ' and (name is not null or housenumber is not null';
$sSQL .= ' or rank_address between 26 and 27)';
$sSQL .= ' and (rank_address between 26 and 27';
$iPlaceID = $aPlace['place_id'];
$oResult = new Result($iPlaceID);
$iRankAddress = $aPlace['rank_address'];
- $iParentPlaceID = $aPlace['parent_place_id'];
- }
-
- if ($bDoInterpolation && $iMaxRank >= 30) {
- $fDistance = $fSearchDiam;
- if ($aPlace) {
- // We can't reliably go from the closest street to an
- // interpolation line because the closest interpolation
- // may have a different street segments as a parent.
- // Therefore allow an interpolation line to take precendence
- // even when the street is closer.
- $fDistance = $iRankAddress < 28 ? 0.001 : $aPlace['distance'];
- }
-
- $aHouse = $this->lookupInterpolation($sPointSQL, $fDistance);
- Debug::printVar('Interpolation result', $aPlace);
-
- if ($aHouse) {
- $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE);
- $oResult->iHouseNumber = closestHouseNumber($aHouse);
- $aPlace = $aHouse;
- $iRankAddress = 30;
- }
}
if ($aPlace) {
// if street and maxrank > streetlevel
- if ($iRankAddress <= 27 && $iMaxRank > 27) {
+ if ($iRankAddress <= 27 && $this->iMaxRank > 27) {
// find the closest object (up to a certain radius) of which the street is a parent of
$sSQL = ' select place_id,';
$sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
Debug::printVar('Closest POI result', $aStreet);
if ($aStreet) {
+ $aPlace = $aStreet;
$oResult = new Result($aStreet['place_id']);
+ $iRankAddress = 30;
}
}
Debug::printVar('Tiger house number result', $aPlaceTiger);
if ($aPlaceTiger) {
+ $aPlace = $aPlaceTiger;
$oResult = new Result($aPlaceTiger['place_id'], Result::TABLE_TIGER);
$oResult->iHouseNumber = closestHouseNumber($aPlaceTiger);
+ $iRankAddress = 30;
}
}
- } else {
+ }
+
+ if ($bDoInterpolation && $this->iMaxRank >= 30) {
+ $fDistance = $fSearchDiam;
+ if ($aPlace) {
+ // We can't reliably go from the closest street to an
+ // interpolation line because the closest interpolation
+ // may have a different street segments as a parent.
+ // Therefore allow an interpolation line to take precendence
+ // even when the street is closer.
+ $fDistance = $iRankAddress < 28 ? 0.001 : $aPlace['distance'];
+ }
+
+ $aHouse = $this->lookupInterpolation($sPointSQL, $fDistance);
+ Debug::printVar('Interpolation result', $aPlace);
+
+ if ($aHouse) {
+ $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE);
+ $oResult->iHouseNumber = closestHouseNumber($aHouse);
+ $aPlace = $aHouse;
+ }
+ }
+
+ if (!$aPlace) {
// if no POI or street is found ...
$oResult = $this->lookupLargeArea($sPointSQL, 25);
}
} else {
// lower than street level ($iMaxRank < 26 )
- $oResult = $this->lookupLargeArea($sPointSQL, $iMaxRank);
+ $oResult = $this->lookupLargeArea($sPointSQL, $this->iMaxRank);
}
Debug::printVar('Final result', $oResult);