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 noPolygonfound($sPointSQL, $iMaxRank)
74 // search_rank => search diameter
84 foreach ($aRankDiam as $key => $value) {
85 if ($key > $iMaxRank) continue;
89 $sSQL .= ' SELECT place_id, rank_address,country_code, geometry,';
90 $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
91 $sSQL .= ' FROM placex';
92 $sSQL .= ' WHERE osm_type = \'N\'';
93 $sSQL .= ' AND rank_address > 0';
94 $sSQL .= ' AND rank_address <= ' .$key;
95 $sSQL .= ' AND type != \'postcode\'';
96 $sSQL .= ' AND name IS NOT NULL ';
97 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
98 $sSQL .= ' ORDER BY rank_address DESC, distance ASC';
99 $sSQL .= ' limit 500) as a';
100 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$value.')';
101 $sSQL .= ' ORDER BY rank_address DESC, distance ASC';
104 if (CONST_Debug) var_dump($sSQL);
106 $this->oDB->getRow($sSQL),
107 'Could not determine place node.'
116 protected function lookupPolygon($sPointSQL, $iMaxRank)
122 $sSQL = 'SELECT * FROM';
123 $sSQL .= '(select place_id,parent_place_id,rank_address,country_code, geometry';
124 $sSQL .= ' FROM placex';
125 $sSQL .= ' WHERE ST_GeometryType(geometry) in (\'ST_Polygon\', \'ST_MultiPolygon\')';
126 $sSQL .= ' AND rank_address <= ' .Min(25, $iMaxRank);
127 $sSQL .= ' AND geometry && '.$sPointSQL;
128 $sSQL .= ' AND type != \'postcode\' ';
129 $sSQL .= ' AND name is not null';
130 $sSQL .= ' AND indexed_status = 0 and linked_place_id is null';
131 $sSQL .= ' ORDER BY rank_address DESC LIMIT 50 ) as a';
132 $sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.' )';
133 $sSQL .= ' ORDER BY rank_address DESC LIMIT 1';
136 $this->oDB->getRow($sSQL),
137 'Could not determine polygon containing the point.'
140 $iParentPlaceID = $aPoly['parent_place_id'];
141 $iRankAddress = $aPoly['rank_address'];
142 $iPlaceID = $aPoly['place_id'];
144 if ($iRankAddress != $iMaxRank) {
147 $sSQL .= ' SELECT place_id, rank_address,country_code, geometry,';
148 $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
149 $sSQL .= ' FROM placex';
150 $sSQL .= ' WHERE osm_type = \'N\'';
151 $sSQL .= ' AND rank_address > '.$iRankAddress;
152 $sSQL .= ' AND rank_address <= ' .Min(25, $iMaxRank);
153 $sSQL .= ' AND type != \'postcode\'';
154 $sSQL .= ' AND name IS NOT NULL ';
155 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
156 // preselection through bbox
157 $sSQL .= ' AND (SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.') && geometry';
158 $sSQL .= ' ORDER BY distance ASC,';
159 $sSQL .= ' rank_address DESC';
160 $sSQL .= ' limit 500) as a';
161 $sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )';
162 $sSQL .= ' ORDER BY distance ASC, rank_address DESC';
165 if (CONST_Debug) var_dump($sSQL);
167 $this->oDB->getRow($sSQL),
168 'Could not determine place node.'
175 return $this->noPolygonfound ($sPointSQL, $iMaxRank);
180 public function lookup($fLat, $fLon, $bDoInterpolation = true)
182 return $this->lookupPoint(
183 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)',
188 public function lookupPoint($sPointSQL, $bDoInterpolation = true)
191 $iMaxRank = $this->iMaxRank;
193 // Find the nearest point
194 $fSearchDiam = 0.006;
197 $fMaxAreaDistance = 1;
198 $bIsTigerStreet = false;
200 // for POI or street level
201 if ($iMaxRank >= 26) {
202 $sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
203 $sSQL .= 'CASE WHEN ST_GeometryType(geometry) in (\'ST_Polygon\',\'ST_MultiPolygon\') THEN ST_distance('.$sPointSQL.', centroid)';
204 $sSQL .= ' ELSE ST_distance('.$sPointSQL.', geometry) ';
205 $sSQL .= ' END as distance';
208 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
211 if ($iMaxRank == 26) {
212 $sSQL .= ' rank_address = 26';
214 $sSQL .= ' rank_address >= 26';
216 $sSQL .= ' and (name is not null or housenumber is not null';
217 $sSQL .= ' or rank_address between 26 and 27)';
218 $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
219 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
220 $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') ';
221 $sSQL .= ' OR ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.'))';
222 $sSQL .= ' ORDER BY distance ASC limit 1';
223 if (CONST_Debug) var_dump($sSQL);
225 $this->oDB->getRow($sSQL),
226 'Could not determine closest place.'
230 $iPlaceID = $aPlace['place_id'];
231 $oResult = new Result($iPlaceID);
232 $iParentPlaceID = $aPlace['parent_place_id'];
233 // if street and maxrank > streetlevel
234 if (($aPlace['rank_address'] == 26 || $aPlace['rank_address'] == 27)&& $iMaxRank > 27) {
235 // find the closest object (up to a certain radius) of which the street is a parent of
236 $sSQL = ' select place_id,parent_place_id,rank_address,country_code,';
237 $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
241 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, 0.001)';
242 $sSQL .= ' AND parent_place_id = '.$iPlaceID;
243 $sSQL .= ' and rank_address != 28';
244 $sSQL .= ' and (name is not null or housenumber is not null';
245 $sSQL .= ' or rank_address between 26 and 27)';
246 $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
247 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
248 $sSQL .= ' ORDER BY distance ASC limit 1';
249 if (CONST_Debug) var_dump($sSQL);
251 $this->oDB->getRow($sSQL),
252 'Could not determine closest place.'
255 $iPlaceID = $aStreet['place_id'];
256 $oResult = new Result($iPlaceID);
257 $iParentPlaceID = $aStreet['parent_place_id'];
261 $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
263 $oResult = new Result($aPlace['place_id']);
266 // lower than street level ($iMaxRank < 26 )
268 $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
270 $oResult = new Result($aPlace['place_id']);