5 require_once(CONST_BasePath.'/lib/Result.php');
10 protected $iMaxRank = 28;
13 public function __construct(&$oDB)
19 public function setZoom($iZoom)
21 // Zoom to rank, this could probably be calculated but a lookup gives fine control
23 0 => 2, // Continent / Sea
35 12 => 18, // Town / Village
39 16 => 26, // Street, TODO: major street?
41 18 => 30, // or >, Building
42 19 => 30, // or >, Building
44 $this->iMaxRank = (isset($iZoom) && isset($aZoomRank[$iZoom]))?$aZoomRank[$iZoom]:28;
48 * Find the closest interpolation with the given search diameter.
50 * @param string $sPointSQL Reverse geocoding point as SQL
51 * @param float $fSearchDiam Search diameter
53 * @return Record of the interpolation or null.
55 protected function lookupInterpolation($sPointSQL, $fSearchDiam)
57 $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search,';
58 $sSQL .= ' ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,';
59 $sSQL .= ' startnumber, endnumber, interpolationtype,';
60 $sSQL .= ' ST_Distance(linegeo,'.$sPointSQL.') as distance';
61 $sSQL .= ' FROM location_property_osmline';
62 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
63 $sSQL .= ' and indexed_status = 0 and startnumber is not NULL ';
64 $sSQL .= ' ORDER BY distance ASC limit 1';
67 $this->oDB->getRow($sSQL),
68 'Could not determine closest housenumber on an osm interpolation line.'
72 protected function lookupPolygon($sPointSQL, $iMaxRank)
74 $sSQL = 'select place_id,parent_place_id,rank_search,country_code, geometry';
75 $sSQL .= ' FROM placex';
76 $sSQL .= ' WHERE ST_GeometryType(geometry) in (\'ST_Polygon\',\'ST_MultiPolygon\')';
77 $sSQL .= ' AND rank_search <= LEAST(25, '.$iMaxRank.')';
78 $sSQL .= ' AND ST_CONTAINS(geometry, '.$sPointSQL.' )';
79 $sSQL .= ' AND type != \'postcode\' ';
80 $sSQL .= ' AND name IS NOT NULL ';
81 $sSQL .= ' ORDER BY rank_search DESC LIMIT 1';
84 $this->oDB->getRow($sSQL),
85 'Could not determine polygon containing the point.'
88 $iParentPlaceID = $aPoly['parent_place_id'];
89 $iRankSearch = $aPoly['rank_search'];
90 $iPlaceID = $aPoly['place_id'];
92 $sSQL = 'select place_id,parent_place_id,rank_search,country_code, linked_place_id,';
93 $sSQL .=' ST_distance('.$sPointSQL.', geometry) as distance';
94 $sSQL .= ' FROM placex';
95 $sSQL .= ' WHERE osm_type = \'N\'';
96 $sSQL .= ' AND rank_search >= '.$iRankSearch;
97 $sSQL .= ' AND rank_search <= LEAST(25, '.$iMaxRank.')';
98 $sSQL .= ' AND ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )';
99 $sSQL .= ' AND type != \'postcode\'';
100 $sSQL .= ' AND name IS NOT NULL ';
101 $sSQL .= ' AND class not in ( \'waterway\')';
102 $sSQL .= ' ORDER BY distance ASC,';
103 $sSQL .= ' rank_search DESC';
105 if (CONST_Debug) var_dump($sSQL);
107 $this->oDB->getRow($sSQL),
108 'Could not determine place node.'
117 public function lookup($fLat, $fLon, $bDoInterpolation = true)
119 return $this->lookupPoint(
120 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)',
125 public function lookupPoint($sPointSQL, $bDoInterpolation = true)
128 $iMaxRank = $this->iMaxRank;
130 // Find the nearest point
131 $fSearchDiam = 0.006;
134 $fMaxAreaDistance = 1;
135 $bIsTigerStreet = false;
137 // for POI or street level
138 if ( $iMaxRank >= 26 ) {
140 $sSQL = 'select place_id,parent_place_id,rank_search,country_code,';
141 $sSQL .= 'CASE WHEN ST_GeometryType(geometry) in (\'ST_Polygon\',\'ST_MultiPolygon\') THEN ST_distance('.$sPointSQL.', centroid)';
142 $sSQL .= ' ELSE ST_distance('.$sPointSQL.', geometry) ';
143 $sSQL .= ' END as distance';
146 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
149 if ($iMaxRank == 26) {
150 $sSQL .= ' rank_search != 28 and rank_search = 26';
152 $sSQL .= ' rank_search != 28 and rank_search >= 26';
154 $sSQL .= ' and (name is not null or housenumber is not null';
155 $sSQL .= ' or rank_search between 26 and 27)';
156 $sSQL .= ' and type not in (\'proposed\')';
157 $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
158 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
159 $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') ';
160 $sSQL .= ' OR ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.'))';
161 $sSQL .= ' ORDER BY distance ASC limit 1';
162 if (CONST_Debug) var_dump($sSQL);
164 $this->oDB->getRow($sSQL),
165 'Could not determine closest place.'
169 $iPlaceID = $aPlace['place_id'];
170 $oResult = new Result($iPlaceID);
171 $iParentPlaceID = $aPlace['parent_place_id'];
172 // if street and maxrank > streetlevel
173 if (($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27)&& $iMaxRank > 27 ) {
174 // find the closest object (up to a certain radius) of which the street is a parent of
175 $sSQL = ' select place_id,parent_place_id,rank_search,country_code,';
176 $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
180 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, 0.003)';
181 $sSQL .= ' AND parent_place_id = '.$iPlaceID;
182 $sSQL .= ' and (name is not null or housenumber is not null)';
183 $sSQL .= ' ORDER BY distance ASC limit 1';
184 if (CONST_Debug) var_dump($sSQL);
186 $this->oDB->getRow($sSQL),
187 'Could not determine closest place.'
190 $iPlaceID = $aStreet['place_id'];
191 $oResult = new Result($iPlaceID);
192 $iParentPlaceID = $aStreet['parent_place_id'];
196 $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
198 // if place node is found adress goes over linked_place_id
199 if (!empty($aPlace['linked_place_id'])) {
200 $oResult = new Result($aPlace['linked_place_id']);
202 $oResult = new Result($aPlace['place_id']);
206 // lower than street level ($iMaxRank < 26 )
208 $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
210 // if place node is found adress goes over linked_place_id
211 if (!empty($aPlace['linked_place_id'])) {
212 $oResult = new Result($aPlace['linked_place_id']);
214 $oResult = new Result($aPlace['place_id']);