Implement geocoding and reverse geocoding with tiger interpolation lines instead...

[nominatim.git] / lib / ReverseGeocode.php

diff --git a/lib/ReverseGeocode.php b/lib/ReverseGeocode.php
index ae83af1e90a710aa0341cbd427210c781d70205d..e8a85867f1702e08cfa0335c2dff048e37c02493 100644 (file)
--- a/lib/ReverseGeocode.php
+++ b/lib/ReverseGeocode.php
@@ -9,7 +9,13 @@
 
                protected $aLangPrefOrder = array();
 
-               protected $bShowAddressDetails = true;
+               protected $bIncludePolygonAsPoints = false;
+               protected $bIncludePolygonAsText = false;
+               protected $bIncludePolygonAsGeoJSON = false;
+               protected $bIncludePolygonAsKML = false;
+               protected $bIncludePolygonAsSVG = false;
+               protected $fPolygonSimplificationThreshold = 0.0;
+
 
                function ReverseGeocode(&$oDB)
                {
@@ -21,11 +27,6 @@
                        $this->aLangPrefOrder = $aLangPref;
                }
 
-               function setIncludeAddressDetails($bAddressDetails = true)
-               {
-                       $this->bAddressDetails = $bAddressDetails;
-               }
-
                function setLatLon($fLat, $fLon)
                {
                        $this->fLat = (float)$fLat;
@@ -65,6 +66,48 @@
                        $this->iMaxRank = (isset($iZoom) && isset($aZoomRank[$iZoom]))?$aZoomRank[$iZoom]:28;
                }
 
+                               function setIncludePolygonAsPoints($b = true)
+               {
+                       $this->bIncludePolygonAsPoints = $b;
+               }
+
+               function getIncludePolygonAsPoints()
+               {
+                       return $this->bIncludePolygonAsPoints;
+               }
+
+               function setIncludePolygonAsText($b = true)
+               {
+                       $this->bIncludePolygonAsText = $b;
+               }
+
+               function getIncludePolygonAsText()
+               {
+                       return $this->bIncludePolygonAsText;
+               }
+
+               function setIncludePolygonAsGeoJSON($b = true)
+               {
+                       $this->bIncludePolygonAsGeoJSON = $b;
+               }
+
+               function setIncludePolygonAsKML($b = true)
+               {
+                       $this->bIncludePolygonAsKML = $b;
+               }
+
+               function setIncludePolygonAsSVG($b = true)
+               {
+                       $this->bIncludePolygonAsSVG = $b;
+               }
+
+               function setPolygonSimplificationThreshold($f)
+               {
+                       $this->fPolygonSimplificationThreshold = $f;
+               }
+
+               // returns { place_id =>, type => '(osm|tiger)' }
+               // fails if no place was found
                function lookup()
                {
                        $sPointSQL = 'ST_SetSRID(ST_Point('.$this->fLon.','.$this->fLat.'),4326)';
@@ -93,11 +136,12 @@
                                if ($fSearchDiam > 0.008 && $iMaxRank > 22) $iMaxRank = 22;
                                if ($fSearchDiam > 0.001 && $iMaxRank > 26) $iMaxRank = 26;
 
-                               $sSQL = 'select place_id,parent_place_id,rank_search,calculated_country_code from placex';
+                               $sSQL = 'select place_id,parent_place_id,rank_search,calculated_country_code';
+                               $sSQL .= ' FROM placex';
                                $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
                                $sSQL .= ' and rank_search != 28 and rank_search >= '.$iMaxRank;
                                $sSQL .= ' and (name is not null or housenumber is not null)';
-                               $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\')';
+                               $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
                                $sSQL .= ' and indexed_status = 0 ';
                                $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') ';
                                $sSQL .= ' OR ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.'))';
@@ -117,15 +161,15 @@
                        if ($bIsInUnitedStates && $iMaxRank_orig >= 28 && $iPlaceID && ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27 )) 
                        {
                                $fSearchDiam = 0.001;
-                               $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search ';
-                               if (CONST_Debug) { $sSQL .= ', housenumber, ST_distance('.$sPointSQL.', centroid) as distance, st_y(centroid) as lat, st_x(centroid) as lon'; }
+                               $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search, ST_line_locate_point(linegeo,'.$sPointSQL.') as fraction';
+                               //if (CONST_Debug) { $sSQL .= ', housenumber, ST_distance('.$sPointSQL.', centroid) as distance, st_y(centroid) as lat, st_x(centroid) as lon'; }
                                $sSQL .= ' FROM location_property_tiger WHERE parent_place_id = '.$iPlaceID;
-                               $sSQL .= ' AND ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.')';
-                               $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', centroid) ASC limit 1';
+                               $sSQL .= ' AND ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';  //no centroid anymore in Tiger data, now we have lines
+                               $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', linegeo) ASC limit 1';
 
 
                                // print all house numbers in the parent (street)
-                               if (CONST_Debug)
+                               /*if (CONST_Debug)
                                {
                                        $sSQL = preg_replace('/limit 1/', 'limit 100', $sSQL);
                                        var_dump($sSQL);
@@ -135,7 +179,7 @@
                                        {
                                                echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "<br>\n";
                                        }
-                               }
+                               }*/
 
                                $aPlaceTiger = $this->oDB->getRow($sSQL);
                                if (PEAR::IsError($aPlace))
@@ -149,6 +193,7 @@
                                        $aPlace = $aPlaceTiger;
                                        $iPlaceID = $aPlaceTiger['place_id'];
                                        $iParentPlaceID = $aPlaceTiger['parent_place_id']; // the street
+                    $iFraction = $aPlaceTiger['fraction'];
                                }
                        }
 
@@ -159,7 +204,11 @@
                                {
                                        $iPlaceID = $iParentPlaceID;
                                }
-                               $sSQL = "select address_place_id from place_addressline where place_id = $iPlaceID order by abs(cached_rank_address - $iMaxRank) asc,cached_rank_address desc,isaddress desc,distance desc limit 1";
+                               $sSQL  = 'select address_place_id';
+                               $sSQL .= ' FROM place_addressline';
+                               $sSQL .= " WHERE place_id = $iPlaceID";
+                               $sSQL .= " ORDER BY abs(cached_rank_address - $iMaxRank) asc,cached_rank_address desc,isaddress desc,distance desc";
+                               $sSQL .= ' LIMIT 1';
                                $iPlaceID = $this->oDB->getOne($sSQL);
                                if (PEAR::IsError($iPlaceID))
                                {
@@ -171,13 +220,9 @@
                                }
                        }
 
-                       $oPlaceLookup = new PlaceLookup($this->oDB);
-                       $oPlaceLookup->setLanguagePreference($this->aLangPrefOrder);
-                       $oPlaceLookup->setIncludeAddressDetails($this->bAddressDetails);
-                       $oPlaceLookup->setPlaceId($iPlaceID);
-                       $oPlaceLookup->setIsTiger($bPlaceIsTiger);
-
-                       return $oPlaceLookup->lookup();
+                       return array('place_id' => $iPlaceID,
+                                    'type' => $bPlaceIsTiger ? 'tiger' : 'osm');
                }
+               
        }
 ?>