Merge remote-tracking branch 'upstream/master'

[nominatim.git] / lib / ReverseGeocode.php

diff --git a/lib/ReverseGeocode.php b/lib/ReverseGeocode.php
index 41da26676f771cbd1750b66a3a790400be469e0d..032f442eb03b48051e14ee977efc54883373c3bd 100644 (file)
--- a/lib/ReverseGeocode.php
+++ b/lib/ReverseGeocode.php
@@ -36,8 +36,8 @@ class ReverseGeocode
                       13 => 18,
                       14 => 22, // Suburb
                       15 => 22,
                       13 => 18,
                       14 => 22, // Suburb
                       15 => 22,

-                      16 => 26, // Street, TODO: major street?
-                      17 => 26,
+                      16 => 26, // major street
+                      17 => 27, // minor street

                       18 => 30, // or >, Building
                       19 => 30, // or >, Building
                      );
                       18 => 30, // or >, Building
                       19 => 30, // or >, Building
                      );


@@ -47,14 +47,14 @@ class ReverseGeocode
     /**
      * Find the closest interpolation with the given search diameter.
      *
     /**
      * Find the closest interpolation with the given search diameter.
      *

-     * @param string  $sPointSQL      Reverse geocoding point as SQL
-     * @param float   $fSearchDiam    Search diameter
-     * @param integer $iParentPlaceID Id of parent object
+     * @param string $sPointSQL   Reverse geocoding point as SQL
+     * @param float  $fSearchDiam Search diameter

      *
      * @return Record of the interpolation or null.
      */
      *
      * @return Record of the interpolation or null.
      */

-    protected function lookupInterpolation($sPointSQL, $fSearchDiam, $iParentPlaceID = null)
+    protected function lookupInterpolation($sPointSQL, $fSearchDiam)

     {
     {

+        Debug::newFunction('lookupInterpolation');

         $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search,';
         $sSQL .= '  ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,';
         $sSQL .= '  startnumber, endnumber, interpolationtype,';
         $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search,';
         $sSQL .= '  ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction,';
         $sSQL .= '  startnumber, endnumber, interpolationtype,';


@@ -62,88 +62,120 @@ class ReverseGeocode
         $sSQL .= ' FROM location_property_osmline';
         $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
         $sSQL .= ' and indexed_status = 0 and startnumber is not NULL ';
         $sSQL .= ' FROM location_property_osmline';
         $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
         $sSQL .= ' and indexed_status = 0 and startnumber is not NULL ';

-        if (isset($iParentPlaceID)) {
-            $sSQL .= ' and parent_place_id = '.$iParentPlaceID;
-        }

         $sSQL .= ' ORDER BY distance ASC limit 1';
         $sSQL .= ' ORDER BY distance ASC limit 1';

+        Debug::printSQL($sSQL);

 
 

-        return chksql(
-            $this->oDB->getRow($sSQL),
+        return $this->oDB->getRow(
+            $sSQL,
+            null,

             'Could not determine closest housenumber on an osm interpolation line.'
         );
     }
             'Could not determine closest housenumber on an osm interpolation line.'
         );
     }

-    
-    protected function polygonFunctions($sPointSQL, $iMaxRank)
+
+    protected function lookupLargeArea($sPointSQL, $iMaxRank)

     {
     {

-        // starts the nopolygonFound function if no polygon is found with the lookupPolygon function

         $oResult = null;
         $oResult = null;

-        
-        $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
-        if ($aPlace) {
-            $oResult = new Result($aPlace['place_id']);
-        // if no polygon which contains the searchpoint is found,
-        // the noPolygonFound function searches in the country_osm_grid table for a polygon
-        } elseif (!$aPlace && $iMaxRank > 4) {
-            $aPlace = $this->noPolygonFound($sPointSQL, $iMaxRank);
+
+        if ($iMaxRank > 4) {
+            $aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);

             if ($aPlace) {
             if ($aPlace) {

-                $oResult = new Result($aPlace['place_id']);
+                return new Result($aPlace['place_id']);

             }
         }
             }
         }

-        return $oResult;
+
+        // 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 noPolygonFound($sPointSQL, $iMaxRank)
+
+    protected function lookupInCountry($sPointSQL, $iMaxRank)

     {
     {

+        Debug::newFunction('lookupInCountry');

         // 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
         // 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 * FROM country_osm_grid';
-        $sSQL .= ' WHERE ST_CONTAINS (geometry, '.$sPointSQL.' )';
-        
-        $aPoly = chksql(
-            $this->oDB->getRow($sSQL),
-            'Could not determine polygon containing the point.'
+        $sSQL = 'SELECT country_code FROM country_osm_grid';
+        $sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.') LIMIT 1';
+        Debug::printSQL($sSQL);
+
+        $sCountryCode = $this->oDB->getOne(
+            $sSQL,
+            null,
+            'Could not determine country polygon containing the point.'

         );
         );

-        if ($aPoly) {
-            $sCountryCode = $aPoly['country_code'];
-            
-            $sSQL = 'SELECT *, ST_distance('.$sPointSQL.', geometry) as distance';
+        Debug::printVar('Country code', $sCountryCode);
+
+        if ($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';
+                $sSQL .= ' LIMIT 1';
+                Debug::printSQL($sSQL);
+
+                $aPlace = $this->oDB->getRow($sSQL, null, 'Could not determine place node.');
+                Debug::printVar('Country node', $aPlace);
+
+                if ($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 .= ' FROM placex';

-            $sSQL .= ' WHERE osm_type = \'N\'';
-            $sSQL .= ' AND country_code = \''.$sCountryCode.'\'';
-            $sSQL .= ' AND rank_address > 0';
-            $sSQL .= ' AND rank_address <= ' .$iMaxRank;
-            $sSQL .= ' AND type != \'postcode\'';
-            $sSQL .= ' AND name IS NOT NULL ';
-            $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
-            $sSQL .= ' ORDER BY distance ASC, rank_address 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;
+            $sSQL .= ' WHERE country_code = \''.$sCountryCode.'\'';
+            $sSQL .= ' AND rank_search = 4 AND rank_address = 4';
+            $sSQL .= ' AND class in (\'boundary\',  \'place\')';
+            $sSQL .= ' AND linked_place_id is null';
+            $sSQL .= ' ORDER BY distance ASC';
+            Debug::printSQL($sSQL);
+
+            $aPlace = $this->oDB->getRow($sSQL, null, 'Could not determine place node.');
+            Debug::printVar('Country place', $aPlace);
+            if ($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, $iMaxRank)
     {
     protected function lookupPolygon($sPointSQL, $iMaxRank)
     {

-        // searches for polygon where the searchpoint is within
-        // if a polygon is found, placenodes with a higher rank are searched inside the polygon
-    
+        Debug::newFunction('lookupPolygon');

         // polygon search begins at suburb-level
         if ($iMaxRank > 25) $iMaxRank = 25;
         // no polygon search over country-level
         // polygon search begins at suburb-level
         if ($iMaxRank > 25) $iMaxRank = 25;
         // no polygon search over country-level

-        if ($iMaxRank < 4) $iMaxRank = 4;
+        if ($iMaxRank < 5) $iMaxRank = 5;

         // search for polygon
         // search for polygon

-        $sSQL = 'SELECT * FROM';
-        $sSQL .= '(select place_id,parent_place_id,rank_address, rank_search, country_code, geometry';
+        $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 .= ' FROM placex';
         $sSQL .= ' WHERE ST_GeometryType(geometry) in (\'ST_Polygon\', \'ST_MultiPolygon\')';

-        $sSQL .= ' AND rank_address Between 4 AND ' .$iMaxRank;
+        $sSQL .= ' AND rank_address Between 5 AND ' .$iMaxRank;

         $sSQL .= ' AND geometry && '.$sPointSQL;
         $sSQL .= ' AND type != \'postcode\' ';
         $sSQL .= ' AND name is not null';
         $sSQL .= ' AND geometry && '.$sPointSQL;
         $sSQL .= ' AND type != \'postcode\' ';
         $sSQL .= ' AND name is not null';


@@ -151,77 +183,53 @@ class ReverseGeocode
         $sSQL .= ' ORDER BY rank_address DESC LIMIT 50 ) as a';
         $sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.' )';
         $sSQL .= ' ORDER BY rank_address DESC LIMIT 1';
         $sSQL .= ' ORDER BY rank_address DESC LIMIT 50 ) as a';
         $sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.' )';
         $sSQL .= ' ORDER BY rank_address DESC LIMIT 1';

+        Debug::printSQL($sSQL);
+
+        $aPoly = $this->oDB->getRow($sSQL, null, 'Could not determine polygon containing the point.');
+        Debug::printVar('Polygon result', $aPoly);

 
 

-        $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 = $aPoly['place_id'];
         if ($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 != $iMaxRank) {
             if ($iRankAddress != $iMaxRank) {

-            //search diameter for the place node search
-                if ($iMaxRank <= 4) {
-                    $fSearchDiam = 4;
-                } elseif ($iMaxRank <= 8) {
-                    $fSearchDiam = 2;
-                } elseif ($iMaxRank <= 10) {
-                    $fSearchDiam = 1;
-                } elseif ($iMaxRank <= 12) {
-                    $fSearchDiam = 0.8;
-                } elseif ($iMaxRank <= 17) {
-                    $fSearchDiam = 0.6;
-                } elseif ($iMaxRank <= 18) {
-                    $fSearchDiam = 0.2;
-                } elseif ($iMaxRank <= 25) {
-                    $fSearchDiam = 0.1;
-                }
-                
-                $sSQL = 'SELECT *';
-                $sSQL .= ' FROM (';
-                $sSQL .= ' SELECT place_id, rank_address,country_code, geometry,';
+                $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\'';
                 $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
                 $sSQL .= ' FROM placex';
                 $sSQL .= ' WHERE osm_type = \'N\'';

-                if ($iRankAddress = 16) {
-                // 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\'';
-                } else {
-                    $sSQL .= ' AND rank_address > '.$iRankAddress;
-                    $sSQL .= ' AND rank_address <= ' .$iMaxRank;
-                }
-                $sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
+                // 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 rank_address > 0';
+                $sSQL .= ' AND class = \'place\'';

                 $sSQL .= ' AND type != \'postcode\'';
                 $sSQL .= ' AND name IS NOT NULL ';
                 $sSQL .= ' AND type != \'postcode\'';
                 $sSQL .= ' AND name IS NOT NULL ';

-                $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
-                // preselection through bbox
-                $sSQL .= ' AND (SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.') && geometry';
+                $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 .= ' 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 .= ' ORDER BY distance ASC, rank_address DESC';
+                $sSQL .= ' AND distance <= reverse_place_diameter(rank_search)';
+                $sSQL .= ' ORDER BY distance ASC, rank_search DESC';

                 $sSQL .= ' LIMIT 1';
                 $sSQL .= ' LIMIT 1';

-                
-                if (CONST_Debug) var_dump($sSQL);
-                $aPlacNode = chksql(
-                    $this->oDB->getRow($sSQL),
-                    'Could not determine place node.'
-                );
-                if ($aPlacNode) {
-                    return $aPlacNode;
+                Debug::printSQL($sSQL);
+
+                $aPlaceNode = $this->oDB->getRow($sSQL, null, 'Could not determine place node.');
+                Debug::printVar('Nearest place node', $aPlaceNode);
+                if ($aPlaceNode) {
+                    return $aPlaceNode;

                 }
             }
         }
         return $aPoly;
     }
                 }
             }
         }
         return $aPoly;
     }

-    
+

 
     public function lookup($fLat, $fLon, $bDoInterpolation = true)
     {
 
     public function lookup($fLat, $fLon, $bDoInterpolation = true)
     {


@@ -233,6 +241,7 @@ class ReverseGeocode
 
     public function lookupPoint($sPointSQL, $bDoInterpolation = true)
     {
 
     public function lookupPoint($sPointSQL, $bDoInterpolation = true)
     {

+        Debug::newFunction('lookupPoint');

         // 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,
         // 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,


@@ -243,124 +252,119 @@ class ReverseGeocode
         $fSearchDiam = 0.006;
         $oResult = null;
         $aPlace = null;
         $fSearchDiam = 0.006;
         $oResult = null;
         $aPlace = null;

-        $fMaxAreaDistance = 1;
-        $bIsTigerStreet = false;
-       
+

         // for POI or street level
         if ($iMaxRank >= 26) {
             $sSQL = 'select place_id,parent_place_id,rank_address,country_code,';
         // for POI or street level
         if ($iMaxRank >= 26) {
             $sSQL = 'select place_id,parent_place_id,rank_address,country_code,';

-            $sSQL .= 'CASE WHEN ST_GeometryType(geometry) in (\'ST_Polygon\',\'ST_MultiPolygon\') THEN ST_distance('.$sPointSQL.', centroid)';
-            $sSQL .= ' ELSE ST_distance('.$sPointSQL.', geometry) ';
-            $sSQL .= ' END as distance';
+            $sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';

             $sSQL .= ' FROM ';
             $sSQL .= ' placex';
             $sSQL .= '   WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
             $sSQL .= '   AND';
             $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;
-            }
+            $sSQL .= ' rank_address between 26 and '.$iMaxRank;

             $sSQL .= ' and (name is not null or housenumber is not null';
             $sSQL .= ' or rank_address between 26 and 27)';
             $sSQL .= ' and (name is not null or housenumber is not null';
             $sSQL .= ' or rank_address between 26 and 27)';

-            $sSQL .= ' and class not in (\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
+            $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';
             $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.'
-            );
-            
+            Debug::printSQL($sSQL);
+
+            $aPlace = $this->oDB->getRow($sSQL, null, 'Could not determine closest place.');
+
+            Debug::printVar('POI/street level result', $aPlace);

             if ($aPlace) {
             if ($aPlace) {

-                    
-                $iDistance = $aPlace['distance'];

                 $iPlaceID = $aPlace['place_id'];
                 $oResult = new Result($iPlaceID);
                 $iPlaceID = $aPlace['place_id'];
                 $oResult = new Result($iPlaceID);

+                $iRankAddress = $aPlace['rank_address'];

                 $iParentPlaceID = $aPlace['parent_place_id'];
                 $iParentPlaceID = $aPlace['parent_place_id'];

-                
-                if ($bDoInterpolation && $iMaxRank >= 30) {
-                    if ($aPlace['rank_address'] <=27) {
-                        $iDistance = 0.001;
-                    }
-                    $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance);
+            }

 
 

-                    if ($aHouse) {
-                        $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE);
-                        $oResult->iHouseNumber = closestHouseNumber($aHouse);
-                    }
+            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);
+                Debug::printVar('Interpolation result', $aPlace);
+
+                if ($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 street and maxrank > streetlevel

-                if (($aPlace['rank_address'] <=27)&& $iMaxRank > 27) {
+                if ($iRankAddress <= 27 && $iMaxRank > 27) {

                     // find the closest object (up to a certain radius) of which the street is a parent of
                     // find the closest object (up to a certain radius) of which the street is a parent of

-                    $sSQL = ' select place_id,parent_place_id,rank_address,country_code,';
+                    $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;
                     $sSQL .= ' ST_distance('.$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 rank_address > 28';
+                    $sSQL .= ' and ST_GeometryType(geometry) != \'ST_LineString\'';

                     $sSQL .= ' and (name is not null or housenumber is not null)';
                     $sSQL .= ' and (name is not null or housenumber is not null)';

-                    $sSQL .= ' and class not in (\'railway\',\'tunnel\',\'bridge\',\'man_made\')';
+                    $sSQL .= ' and class not in (\'boundary\')';

                     $sSQL .= ' and indexed_status = 0 and linked_place_id is null';
                     $sSQL .= ' ORDER BY distance ASC limit 1';
                     $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.'
-                    );
+                    Debug::printSQL($sSQL);
+
+                    $aStreet = $this->oDB->getRow($sSQL, null, 'Could not determine closest place.');
+                    Debug::printVar('Closest POI result', $aStreet);
+

                     if ($aStreet) {
                     if ($aStreet) {

-                        $iDistance = $aStreet['distance'];
-                        $iPlaceID = $aStreet['place_id'];
-                        $oResult = new Result($iPlaceID);
-                        $iParentPlaceID = $aStreet['parent_place_id'];
-                            
-                        if ($bDoInterpolation && $iMaxRank >= 30) {
-                            $aHouse = $this->lookupInterpolation($sPointSQL, $iDistance, $iParentPlaceID);
-
-                            if ($aHouse) {
-                                $oResult = new Result($aHouse['place_id'], Result::TABLE_OSMLINE);
-                                $oResult->iHouseNumber = closestHouseNumber($aHouse);
-                            }
-                        }
+                        $oResult = new Result($aStreet['place_id']);

                     }
                 }
                     }
                 }

-                
+

                   // In the US we can check TIGER data for nearest housenumber
                   // In the US we can check TIGER data for nearest housenumber

-                if (CONST_Use_US_Tiger_Data && $aPlace['country_code'] == 'us' && $this->iMaxRank >= 28) {
-                    $fSearchDiam = $aPlace['rank_address'] > 28 ? $aPlace['distance'] : 0.001;
+                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 = '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, '.$fSearchDiam.')';
+                    $sSQL .= ' AND ST_DWithin('.$sPointSQL.', linegeo, 0.001)';

                     $sSQL .= ' ORDER BY distance ASC limit 1';
                     $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.'
-                    );
+                    Debug::printSQL($sSQL);
+
+                    $aPlaceTiger = $this->oDB->getRow($sSQL, null, 'Could not determine closest Tiger place.');
+                    Debug::printVar('Tiger house number result', $aPlaceTiger);
+

                     if ($aPlaceTiger) {
                     if ($aPlaceTiger) {

-                        if (CONST_Debug) var_dump('found Tiger housenumber', $aPlaceTiger);
-                        $aPlace = $aPlaceTiger;
-                        $oResult = new Result($aPlace['place_id'], Result::TABLE_TIGER);
+                        $oResult = new Result($aPlaceTiger['place_id'], Result::TABLE_TIGER);

                         $oResult->iHouseNumber = closestHouseNumber($aPlaceTiger);
                     }
                 }
                         $oResult->iHouseNumber = closestHouseNumber($aPlaceTiger);
                     }
                 }

-            // if no POI or street is found ...

             } else {
             } else {

-                $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank);
+                // if no POI or street is found ...
+                $oResult = $this->lookupLargeArea($sPointSQL, 25);

             }
             }

-            // lower than street level ($iMaxRank < 26 )

         } else {
         } else {

-            $oResult = $this->PolygonFunctions($sPointSQL, $iMaxRank);
+            // lower than street level ($iMaxRank < 26 )
+            $oResult = $this->lookupLargeArea($sPointSQL, $iMaxRank);

         }
         }

+
+        Debug::printVar('Final result', $oResult);

         return $oResult;
     }
 }
         return $oResult;
     }
 }