mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-11-27 00:49:55 +03:00
16794a84de
Always exclude line features (removes railways, tunnels, piers, historical streets etc.) and boundaries (removes electoral, historical boundaries etc.) Fixes #1313.
371 lines
16 KiB
PHP
371 lines
16 KiB
PHP
<?php
|
|
|
|
namespace Nominatim;
|
|
|
|
require_once(CONST_BasePath.'/lib/Result.php');
|
|
|
|
class ReverseGeocode
|
|
{
|
|
protected $oDB;
|
|
protected $iMaxRank = 28;
|
|
|
|
|
|
public function __construct(&$oDB)
|
|
{
|
|
$this->oDB =& $oDB;
|
|
}
|
|
|
|
|
|
public function setZoom($iZoom)
|
|
{
|
|
// Zoom to rank, this could probably be calculated but a lookup gives fine control
|
|
$aZoomRank = array(
|
|
0 => 2, // Continent / Sea
|
|
1 => 2,
|
|
2 => 2,
|
|
3 => 4, // Country
|
|
4 => 4,
|
|
5 => 8, // State
|
|
6 => 10, // Region
|
|
7 => 10,
|
|
8 => 12, // County
|
|
9 => 12,
|
|
10 => 17, // City
|
|
11 => 17,
|
|
12 => 18, // Town / Village
|
|
13 => 18,
|
|
14 => 22, // Suburb
|
|
15 => 22,
|
|
16 => 26, // Street, TODO: major street?
|
|
17 => 26,
|
|
18 => 30, // or >, Building
|
|
19 => 30, // or >, Building
|
|
);
|
|
$this->iMaxRank = (isset($iZoom) && isset($aZoomRank[$iZoom]))?$aZoomRank[$iZoom]:28;
|
|
}
|
|
|
|
/**
|
|
* Find the closest interpolation with the given search diameter.
|
|
*
|
|
* @param string $sPointSQL Reverse geocoding point as SQL
|
|
* @param float $fSearchDiam Search diameter
|
|
*
|
|
* @return Record of the interpolation or null.
|
|
*/
|
|
protected function lookupInterpolation($sPointSQL, $fSearchDiam)
|
|
{
|
|
$sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search,';
|
|
$sSQL .= ' ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,';
|
|
$sSQL .= ' startnumber, endnumber, interpolationtype,';
|
|
$sSQL .= ' ST_Distance(linegeo,'.$sPointSQL.') as distance';
|
|
$sSQL .= ' FROM location_property_osmline';
|
|
$sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
|
|
$sSQL .= ' and indexed_status = 0 and startnumber is not NULL ';
|
|
$sSQL .= ' ORDER BY distance ASC limit 1';
|
|
|
|
return chksql(
|
|
$this->oDB->getRow($sSQL),
|
|
'Could not determine closest housenumber on an osm interpolation line.'
|
|
);
|
|
}
|
|
|
|
protected function lookupLargeArea($sPointSQL, $iMaxRank)
|
|
{
|
|
$oResult = null;
|
|
|
|
if ($iMaxRank > 4) {
|
|
$aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
|
|
if ($aPlace) {
|
|
return new Result($aPlace['place_id']);
|
|
}
|
|
}
|
|
|
|
// If no polygon which contains the searchpoint is found,
|
|
// searches in the country_osm_grid table for a polygon.
|
|
return $this->lookupInCountry($sPointSQL, $iMaxRank);
|
|
}
|
|
|
|
protected function lookupInCountry($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';
|
|
|
|
$sCountryCode = chksql(
|
|
$this->oDB->getOne($sSQL),
|
|
'Could not determine country polygon containing the point.'
|
|
);
|
|
if ($sCountryCode) {
|
|
if ($iMaxRank > 4) {
|
|
// 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_search between 5 and ' .min(25, $iMaxRank);
|
|
$sSQL .= ' AND class = \'place\' 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, 1.8)) 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);
|
|
$aPlace = chksql(
|
|
$this->oDB->getRow($sSQL),
|
|
'Could not determine place node.'
|
|
);
|
|
if ($aPlace) {
|
|
return new Result($aPlace['place_id']);
|
|
}
|
|
}
|
|
|
|
// 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 .= ' AND linked_place_id is null';
|
|
$sSQL .= ' ORDER BY distance ASC';
|
|
|
|
if (CONST_Debug) var_dump($sSQL);
|
|
$aPlace = chksql(
|
|
$this->oDB->getRow($sSQL),
|
|
'Could not determine place node.'
|
|
);
|
|
if ($aPlace) {
|
|
return new Result($aPlace['place_id']);
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Search for areas or nodes for areas or nodes between state and suburb level.
|
|
*
|
|
* @param string $sPointSQL Search point as SQL string.
|
|
* @param int $iMaxRank Maximum address rank of the feature.
|
|
*
|
|
* @return Record of the found feature or null.
|
|
*
|
|
* Searches first for polygon that contains the search point.
|
|
* If such a polygon is found, place nodes with a higher rank are
|
|
* searched inside the polygon.
|
|
*/
|
|
protected function lookupPolygon($sPointSQL, $iMaxRank)
|
|
{
|
|
// polygon search begins at suburb-level
|
|
if ($iMaxRank > 25) $iMaxRank = 25;
|
|
// no polygon search over country-level
|
|
if ($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\')';
|
|
$sSQL .= ' AND rank_address Between 5 AND ' .$iMaxRank;
|
|
$sSQL .= ' AND geometry && '.$sPointSQL;
|
|
$sSQL .= ' AND type != \'postcode\' ';
|
|
$sSQL .= ' AND name is not null';
|
|
$sSQL .= ' AND indexed_status = 0 and linked_place_id is null';
|
|
$sSQL .= ' ORDER BY rank_address DESC LIMIT 50 ) as a';
|
|
$sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.' )';
|
|
$sSQL .= ' ORDER BY rank_address DESC LIMIT 1';
|
|
|
|
$aPoly = chksql(
|
|
$this->oDB->getRow($sSQL),
|
|
'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 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\'';
|
|
// 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';
|
|
$sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, reverse_place_diameter('.$iRankSearch.'::smallint))';
|
|
$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 .= ' 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),
|
|
'Could not determine place node.'
|
|
);
|
|
if ($aPlacNode) {
|
|
return $aPlacNode;
|
|
}
|
|
}
|
|
}
|
|
return $aPoly;
|
|
}
|
|
|
|
|
|
public function lookup($fLat, $fLon, $bDoInterpolation = true)
|
|
{
|
|
return $this->lookupPoint(
|
|
'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)',
|
|
$bDoInterpolation
|
|
);
|
|
}
|
|
|
|
public function lookupPoint($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
|
|
$fSearchDiam = 0.006;
|
|
$oResult = null;
|
|
$aPlace = null;
|
|
|
|
// for POI or street level
|
|
if ($iMaxRank >= 26) {
|
|
$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.')';
|
|
$sSQL .= ' AND';
|
|
// only streets
|
|
if ($iMaxRank == 26) {
|
|
$sSQL .= ' rank_address = 26';
|
|
} else {
|
|
$sSQL .= ' rank_address between 26 and '.$iMaxRank;
|
|
}
|
|
$sSQL .= ' and (name is not null or housenumber is not null';
|
|
$sSQL .= ' or rank_address between 26 and 27)';
|
|
$sSQL .= ' and (rank_address between 26 and 27';
|
|
$sSQL .= ' or ST_GeometryType(geometry) != \'ST_LineString\')';
|
|
$sSQL .= ' and class not in (\'boundary\')';
|
|
$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.'))';
|
|
$sSQL .= ' ORDER BY distance ASC limit 1';
|
|
if (CONST_Debug) var_dump($sSQL);
|
|
$aPlace = chksql(
|
|
$this->oDB->getRow($sSQL),
|
|
'Could not determine closest place.'
|
|
);
|
|
|
|
if (CONST_Debug) var_dump($aPlace);
|
|
if ($aPlace) {
|
|
$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, $fDistance);
|
|
|
|
if ($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) {
|
|
// 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';
|
|
$sSQL .= ' FROM ';
|
|
$sSQL .= ' placex';
|
|
// radius ?
|
|
$sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, 0.001)';
|
|
$sSQL .= ' AND parent_place_id = '.$iPlaceID;
|
|
$sSQL .= ' and rank_address != 28';
|
|
$sSQL .= ' and ST_GeometryType(geometry) != \'ST_LineString\'';
|
|
$sSQL .= ' and (name is not null or housenumber is not null)';
|
|
$sSQL .= ' and class not in (\'boundary\')';
|
|
$sSQL .= ' and indexed_status = 0 and linked_place_id is null';
|
|
$sSQL .= ' ORDER BY distance ASC limit 1';
|
|
if (CONST_Debug) var_dump($sSQL);
|
|
$aStreet = chksql(
|
|
$this->oDB->getRow($sSQL),
|
|
'Could not determine closest place.'
|
|
);
|
|
if ($aStreet) {
|
|
if (CONST_Debug) var_dump($aStreet);
|
|
$oResult = new Result($aStreet['place_id']);
|
|
}
|
|
}
|
|
|
|
// In the US we can check TIGER data for nearest housenumber
|
|
if (CONST_Use_US_Tiger_Data
|
|
&& $iRankAddress <= 27
|
|
&& $aPlace['country_code'] == 'us'
|
|
&& $this->iMaxRank >= 28
|
|
) {
|
|
$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, 0.001)';
|
|
$sSQL .= ' ORDER BY distance ASC limit 1';
|
|
if (CONST_Debug) var_dump($sSQL);
|
|
$aPlaceTiger = chksql(
|
|
$this->oDB->getRow($sSQL),
|
|
'Could not determine closest Tiger place.'
|
|
);
|
|
if ($aPlaceTiger) {
|
|
if (CONST_Debug) var_dump('found Tiger housenumber', $aPlaceTiger);
|
|
$oResult = new Result($aPlaceTiger['place_id'], Result::TABLE_TIGER);
|
|
$oResult->iHouseNumber = closestHouseNumber($aPlaceTiger);
|
|
}
|
|
}
|
|
} else {
|
|
// if no POI or street is found ...
|
|
$oResult = $this->lookupLargeArea($sPointSQL, 25);
|
|
}
|
|
} else {
|
|
// lower than street level ($iMaxRank < 26 )
|
|
$oResult = $this->lookupLargeArea($sPointSQL, $iMaxRank);
|
|
}
|
|
return $oResult;
|
|
}
|
|
}
|