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
52 * @param integer $iParentPlaceID Id of parent object
54 * @return Record of the interpolation or null.
56 protected function lookupInterpolation($sPointSQL, $fSearchDiam, $iParentPlaceID = null)
58 $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search,';
59 $sSQL .= ' ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,';
60 $sSQL .= ' startnumber, endnumber, interpolationtype,';
61 $sSQL .= ' ST_Distance(linegeo,'.$sPointSQL.') as distance';
62 $sSQL .= ' FROM location_property_osmline';
63 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
64 $sSQL .= ' and indexed_status = 0 and startnumber is not NULL ';
65 if (isset($iParentPlaceID)) {
66 $sSQL .= ' and parent_place_id = '.$iParentPlaceID;
68 $sSQL .= ' ORDER BY distance ASC limit 1';
71 $this->oDB->getRow($sSQL),
72 'Could not determine closest housenumber on an osm interpolation line.'
76 protected function polygonFunctions($sPointSQL, $iMaxRank)
80 $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
82 $oResult = new Result($aPlace['place_id']);
83 } elseif (!$aPlace && $iMaxRank > 4) {
84 $aPlace = $this->noPolygonFound($sPointSQL, $iMaxRank);
86 $oResult = new Result($aPlace['place_id']);
92 protected function noPolygonFound($sPointSQL, $iMaxRank)
94 // searches for polygon in table country_osm_grid which contains the searchpoint
95 $sSQL = 'SELECT * FROM country_osm_grid';
96 $sSQL .= ' WHERE ST_CONTAINS (geometry, '.$sPointSQL.' )';
99 $this->oDB->getRow($sSQL),
100 'Could not determine polygon containing the point.'
103 $sCountryCode = $aPoly['country_code'];
105 $sSQL = 'SELECT *, ST_distance('.$sPointSQL.', geometry) as distance';
106 $sSQL .= ' FROM placex';
107 $sSQL .= ' WHERE osm_type = \'N\'';
108 $sSQL .= ' AND country_code = \''.$sCountryCode.'\'';
109 $sSQL .= ' AND rank_address > 0';
110 $sSQL .= ' AND rank_address <= ' .$iMaxRank;
111 $sSQL .= ' AND type != \'postcode\'';
112 $sSQL .= ' AND name IS NOT NULL ';
113 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
114 $sSQL .= ' ORDER BY distance ASC, rank_address DESC';
117 if (CONST_Debug) var_dump($sSQL);
119 $this->oDB->getRow($sSQL),
120 'Could not determine place node.'
128 protected function lookupPolygon($sPointSQL, $iMaxRank)
130 // polygon search begins at suburb-level
131 if ($iMaxRank > 25) $iMaxRank = 25;
132 // no polygon search over country-level
133 if ($iMaxRank < 4) $iMaxRank = 4;
135 $sSQL = 'SELECT * FROM';
136 $sSQL .= '(select place_id,parent_place_id,rank_address, rank_search, country_code, geometry';
137 $sSQL .= ' FROM placex';
138 $sSQL .= ' WHERE ST_GeometryType(geometry) in (\'ST_Polygon\', \'ST_MultiPolygon\')';
139 $sSQL .= ' AND rank_address Between 4 AND ' .$iMaxRank;
140 $sSQL .= ' AND geometry && '.$sPointSQL;
141 $sSQL .= ' AND type != \'postcode\' ';
142 $sSQL .= ' AND name is not null';
143 $sSQL .= ' AND indexed_status = 0 and linked_place_id is null';
144 $sSQL .= ' ORDER BY rank_address DESC LIMIT 50 ) as a';
145 $sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.' )';
146 $sSQL .= ' ORDER BY rank_address DESC LIMIT 1';
149 $this->oDB->getRow($sSQL),
150 'Could not determine polygon containing the point.'
153 $iParentPlaceID = $aPoly['parent_place_id'];
154 $iRankAddress = $aPoly['rank_address'];
155 $iRankSearch = $aPoly['rank_search'];
156 $iPlaceID = $aPoly['place_id'];
158 if ($iRankAddress != $iMaxRank) {
159 //search diameter for the place node search
160 if ($iMaxRank <= 4) {
162 } elseif ($iMaxRank <= 8) {
164 } elseif ($iMaxRank <= 10) {
166 } elseif ($iMaxRank <= 12) {
168 } elseif ($iMaxRank <= 17) {
170 } elseif ($iMaxRank <= 18) {
172 } elseif ($iMaxRank <= 25) {
178 $sSQL .= ' SELECT place_id, rank_address,country_code, geometry,';
179 $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
180 $sSQL .= ' FROM placex';
181 $sSQL .= ' WHERE osm_type = \'N\'';
182 if ($iRankAddress = 16) {
183 // using rank_search because of a better differentiation for place nodes at rank_address 16
184 $sSQL .= ' AND rank_search > '.$iRankSearch;
185 $sSQL .= ' AND rank_search <= ' .$iMaxRank;
186 $sSQL .= ' AND class = \'place\'';
188 $sSQL .= ' AND rank_address > '.$iRankAddress;
189 $sSQL .= ' AND rank_address <= ' .$iMaxRank;
191 $sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
192 $sSQL .= ' AND type != \'postcode\'';
193 $sSQL .= ' AND name IS NOT NULL ';
194 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
195 // preselection through bbox
196 $sSQL .= ' AND (SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.') && geometry';
197 $sSQL .= ' ORDER BY distance ASC,';
198 $sSQL .= ' rank_address DESC';
199 $sSQL .= ' limit 500) as a';
200 $sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )';
201 $sSQL .= ' ORDER BY distance ASC, rank_address DESC';
204 if (CONST_Debug) var_dump($sSQL);
206 $this->oDB->getRow($sSQL),
207 'Could not determine place node.'
218 public function lookup($fLat, $fLon, $bDoInterpolation = true)
220 return $this->lookupPoint(
221 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)',
226 public function lookupPoint($sPointSQL, $bDoInterpolation = true)
229 $iMaxRank = $this->iMaxRank;
231 // Find the nearest point
232 $fSearchDiam = 0.006;
235 $fMaxAreaDistance = 1;
236 $bIsTigerStreet = false;
238 // for POI or street level
239 if ($iMaxRank >= 26) {
240 $sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
241 $sSQL .= 'CASE WHEN ST_GeometryType(geometry) in (\'ST_Polygon\',\'ST_MultiPolygon\') THEN ST_distance('.$sPointSQL.', centroid)';
242 $sSQL .= ' ELSE ST_distance('.$sPointSQL.', geometry) ';
243 $sSQL .= ' END as distance';
246 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
249 if ($iMaxRank == 26) {
250 $sSQL .= ' rank_address = 26';
252 $sSQL .= ' rank_address between 26 and '.$iMaxRank;
254 $sSQL .= ' and (name is not null or housenumber is not null';
255 $sSQL .= ' or rank_address between 26 and 27)';
256 $sSQL .= ' and class not in (\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
257 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
258 $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') ';
259 $sSQL .= ' OR ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.'))';
260 $sSQL .= ' ORDER BY distance ASC limit 1';
261 if (CONST_Debug) var_dump($sSQL);
263 $this->oDB->getRow($sSQL),
264 'Could not determine closest place.'
269 $iDistance = $aPlace['distance'];
270 $iPlaceID = $aPlace['place_id'];
271 $oResult = new Result($iPlaceID);
272 $iParentPlaceID = $aPlace['parent_place_id'];
274 if ($bDoInterpolation && $iMaxRank >= 30) {
275 if ($aPlace['rank_address'] <=27) {
278 $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance);
281 $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE);
282 $oResult->iHouseNumber = closestHouseNumber($aHouse);
286 // if street and maxrank > streetlevel
287 if (($aPlace['rank_address'] <=27)&& $iMaxRank > 27) {
288 // find the closest object (up to a certain radius) of which the street is a parent of
289 $sSQL = ' select place_id,parent_place_id,rank_address,country_code,';
290 $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
294 $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, 0.001)';
295 $sSQL .= ' AND parent_place_id = '.$iPlaceID;
296 $sSQL .= ' and rank_address != 28';
297 $sSQL .= ' and (name is not null or housenumber is not null)';
298 $sSQL .= ' and class not in (\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
299 $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
300 $sSQL .= ' ORDER BY distance ASC limit 1';
301 if (CONST_Debug) var_dump($sSQL);
303 $this->oDB->getRow($sSQL),
304 'Could not determine closest place.'
307 $iDistance = $aStreet['distance'];
308 $iPlaceID = $aStreet['place_id'];
309 $oResult = new Result($iPlaceID);
310 $iParentPlaceID = $aStreet['parent_place_id'];
312 if ($bDoInterpolation && $iMaxRank >= 30) {
313 $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance, $iParentPlaceID);
316 $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE);
317 $oResult->iHouseNumber = closestHouseNumber($aHouse);
323 // In the US we can check TIGER data for nearest housenumber
324 if (CONST_Use_US_Tiger_Data && $aPlace['country_code'] == 'us' && $this->iMaxRank >= 28) {
325 $fSearchDiam = $aPlace['rank_search'] > 28 ? $aPlace['distance'] : 0.001;
326 $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search,';
327 $sSQL .= 'ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,';
328 $sSQL .= 'ST_distance('.$sPointSQL.', linegeo) as distance,';
329 $sSQL .= 'startnumber,endnumber,interpolationtype';
330 $sSQL .= ' FROM location_property_tiger WHERE parent_place_id = '.$oResult->iId;
331 $sSQL .= ' AND ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
332 $sSQL .= ' ORDER BY distance ASC limit 1';
333 if (CONST_Debug) var_dump($sSQL);
334 $aPlaceTiger = chksql(
335 $this->oDB->getRow($sSQL),
336 'Could not determine closest Tiger place.'
339 if (CONST_Debug) var_dump('found Tiger housenumber', $aPlaceTiger);
340 $aPlace = $aPlaceTiger;
341 $oResult = new Result($aPlace['place_id'], Result::TABLE_TIGER);
342 $oResult->iHouseNumber = closestHouseNumber($aPlaceTiger);
345 // if no POI or street is found ...
347 $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank);
349 // lower than street level ($iMaxRank < 26 )
351 $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank);