Merge remote-tracking branch 'upstream/master'

[nominatim.git] / lib / Geocode.php

diff --git a/lib/Geocode.php b/lib/Geocode.php
index 85aa31f08202d99ac1e26ba80ee3444ee4c785e4..c79dcf1ea5d41e49af50b7c0cbd4168af264c28d 100644 (file)
--- a/lib/Geocode.php
+++ b/lib/Geocode.php
@@ -12,6 +12,7 @@
                protected $bIncludePolygonAsGeoJSON = false;
                protected $bIncludePolygonAsKML = false;
                protected $bIncludePolygonAsSVG = false;
                protected $bIncludePolygonAsGeoJSON = false;
                protected $bIncludePolygonAsKML = false;
                protected $bIncludePolygonAsSVG = false;

+               protected $fPolygonSimplificationThreshold = 0.0;

 
                protected $aExcludePlaceIDs = array();
                protected $bDeDupe = true;
 
                protected $aExcludePlaceIDs = array();
                protected $bDeDupe = true;


@@ -102,6 +103,11 @@
                        $this->bIncludePolygonAsSVG = $b;
                }
 
                        $this->bIncludePolygonAsSVG = $b;
                }
 

+               function setPolygonSimplificationThreshold($f)
+               {
+                       $this->fPolygonSimplificationThreshold = $f;
+               }
+

                function setDeDupe($bDeDupe = true)
                {
                        $this->bDeDupe = (bool)$bDeDupe;
                function setDeDupe($bDeDupe = true)
                {
                        $this->bDeDupe = (bool)$bDeDupe;


@@ -222,9 +228,12 @@
                                foreach(explode(',',$aParams['exclude_place_ids']) as $iExcludedPlaceID)
                                {
                                        $iExcludedPlaceID = (int)$iExcludedPlaceID;
                                foreach(explode(',',$aParams['exclude_place_ids']) as $iExcludedPlaceID)
                                {
                                        $iExcludedPlaceID = (int)$iExcludedPlaceID;

-                                       if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
+                                       if ($iExcludedPlaceID)
+                                               $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;

                                }
                                }

-                               $this->aExcludePlaceIDs = $aExcludePlaceIDs;
+
+                               if (isset($aExcludePlaceIDs))
+                                       $this->aExcludePlaceIDs = $aExcludePlaceIDs;

                        }
 
                        // Only certain ranks of feature
                        }
 
                        // Only certain ranks of feature


@@ -443,7 +452,7 @@
                        return $aSearchResults;
                }
 
                        return $aSearchResults;
                }
 

-               function getGroupedSearches($aSearches, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases)
+               function getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases)

                {
                        /*
                           Calculate all searches using aValidTokens i.e.
                {
                        /*
                           Calculate all searches using aValidTokens i.e.


@@ -528,7 +537,7 @@
 
                                                                                        if (sizeof($aSearch['aName']))
                                                                                        {
 
                                                                                        if (sizeof($aSearch['aName']))
                                                                                        {

-                                                                                               if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
+                                                                                               if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strpos($sToken, ' ') !== false))

                                                                                                {
                                                                                                        $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                }
                                                                                                {
                                                                                                        $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                }


@@ -555,6 +564,8 @@
                                                                                        // sanity check: if the housenumber is not mainly made
                                                                                        // up of numbers, add a penalty
                                                                                        if (preg_match_all("/[^0-9]/", $sToken, $aMatches) > 2) $aSearch['iSearchRank']++;
                                                                                        // sanity check: if the housenumber is not mainly made
                                                                                        // up of numbers, add a penalty
                                                                                        if (preg_match_all("/[^0-9]/", $sToken, $aMatches) > 2) $aSearch['iSearchRank']++;

+                                                                                       // also housenumbers should appear in the first or second phrase
+                                                                                       if ($iPhrase > 1) $aSearch['iSearchRank'] += 1;

                                                                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        /*
                                                                                        // Fall back to not searching for this item (better than nothing)
                                                                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        /*
                                                                                        // Fall back to not searching for this item (better than nothing)


@@ -575,18 +586,6 @@
                                                                                        else $aSearch['sOperator'] = 'near'; // near = in for the moment
                                                                                        if (strlen($aSearchTerm['operator']) == 0) $aSearch['iSearchRank'] += 1;
 
                                                                                        else $aSearch['sOperator'] = 'near'; // near = in for the moment
                                                                                        if (strlen($aSearchTerm['operator']) == 0) $aSearch['iSearchRank'] += 1;
 

-                                                                                       // Do we have a shortcut id?
-                                                                                       if ($aSearch['sOperator'] == 'name')
-                                                                                       {
-                                                                                               $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
-                                                                                               if ($iAmenityID = $this->oDB->getOne($sSQL))
-                                                                                               {
-                                                                                                       $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
-                                                                                                       $aSearch['aName'][$iAmenityID] = $iAmenityID;
-                                                                                                       $aSearch['sClass'] = '';
-                                                                                                       $aSearch['sType'] = '';
-                                                                                               }
-                                                                                       }

                                                                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                }
                                                                        }
                                                                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                }
                                                                        }


@@ -594,7 +593,7 @@
                                                                        {
                                                                                if (sizeof($aSearch['aName']))
                                                                                {
                                                                        {
                                                                                if (sizeof($aSearch['aName']))
                                                                                {

-                                                                                       if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
+                                                                                       if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strpos($sToken, ' ') !== false))

                                                                                        {
                                                                                                $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                        }
                                                                                        {
                                                                                                $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                        }


@@ -613,7 +612,10 @@
                                                                        }
                                                                }
                                                        }
                                                                        }
                                                                }
                                                        }

-                                                       if (isset($aValidTokens[$sToken]))
+                                                       // Look for partial matches.
+                                                       // Note that there is no point in adding country terms here
+                                                       // because country are omitted in the address.
+                                                       if (isset($aValidTokens[$sToken]) && $sPhraseType != 'country')

                                                        {
                                                                // Allow searching for a word - but at extra cost
                                                                foreach($aValidTokens[$sToken] as $aSearchTerm)
                                                        {
                                                                // Allow searching for a word - but at extra cost
                                                                foreach($aValidTokens[$sToken] as $aSearchTerm)


@@ -629,7 +631,7 @@
                                                                                                $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                                $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }

-                                                                                       elseif (isset($aValidTokens[' '.$sToken]) && strlen($sToken) >= 4) // revert to the token version?
+                                                                                       elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?

                                                                                        {
                                                                                                $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                $aSearch['iSearchRank'] += 1;
                                                                                        {
                                                                                                $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                $aSearch['iSearchRank'] += 1;


@@ -762,7 +764,6 @@
                        if (!$this->sQuery && !$this->aStructuredQuery) return false;
 
                        $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
                        if (!$this->sQuery && !$this->aStructuredQuery) return false;
 
                        $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";

-

                        $sCountryCodesSQL = false;
                        if ($this->aCountryCodes && sizeof($this->aCountryCodes))
                        {
                        $sCountryCodesSQL = false;
                        if ($this->aCountryCodes && sizeof($this->aCountryCodes))
                        {


@@ -865,10 +866,10 @@
 
                                preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
                                $aSpecialTerms = array();
 
                                preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
                                $aSpecialTerms = array();

-                               if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
+                               if (isset($this->aStructuredQuery['amenity']) && $this->aStructuredQuery['amenity'])

                                {
                                {

-                                       $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
-                                       unset($aStructuredQuery['amenity']);
+                                       $aSpecialTermsRaw[] = array('['.$this->aStructuredQuery['amenity'].']', $this->aStructuredQuery['amenity']);
+                                       unset($this->aStructuredQuery['amenity']);

                                }
                                foreach($aSpecialTermsRaw as $aSpecialTerm)
                                {
                                }
                                foreach($aSpecialTermsRaw as $aSpecialTerm)
                                {


@@ -966,8 +967,8 @@
                                        foreach($aDatabaseWords as $aToken)
                                        {
                                                // Very special case - require 2 letter country param to match the country code found
                                        foreach($aDatabaseWords as $aToken)
                                        {
                                                // Very special case - require 2 letter country param to match the country code found

-                                               if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country'])
-                                                               && strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
+                                               if ($bStructuredPhrases && $aToken['country_code'] && !empty($this->aStructuredQuery['country'])
+                                                               && strlen($this->aStructuredQuery['country']) == 2 && strtolower($this->aStructuredQuery['country']) != $aToken['country_code'])

                                                {
                                                        continue;
                                                }
                                                {
                                                        continue;
                                                }


@@ -1041,7 +1042,7 @@
                                        // Start the search process
                                        $aResultPlaceIDs = array();
 
                                        // Start the search process
                                        $aResultPlaceIDs = array();
 

-                                       $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases);
+                                       $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases);

 
                                        if ($this->bReverseInPlan)
                                        {
 
                                        if ($this->bReverseInPlan)
                                        {


@@ -1053,9 +1054,9 @@
                                                if (sizeof($aPhrases) > 1)
                                                {
                                                        $aFinalPhrase = end($aPhrases);
                                                if (sizeof($aPhrases) > 1)
                                                {
                                                        $aFinalPhrase = end($aPhrases);

-                                                       $aFinalPhrase['wordsets'] = getInverseWordSets($aFinalPhrase['words'], 0);
+                                                       $aPhrases[sizeof($aPhrases)-1]['wordsets'] = getInverseWordSets($aFinalPhrase['words'], 0);

                                                }
                                                }

-                                               $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $aValidTokens, $aWordFrequencyScores, false);
+                                               $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, null, $aPhrases, $aValidTokens, $aWordFrequencyScores, false);

 
                                                foreach($aGroupedSearches as $aSearches)
                                                {
 
                                                foreach($aGroupedSearches as $aSearches)
                                                {


@@ -1091,7 +1092,7 @@
 
                                if (CONST_Debug) var_Dump($aGroupedSearches);
 
 
                                if (CONST_Debug) var_Dump($aGroupedSearches);
 

-                               if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
+                               if (CONST_Search_TryDroppedAddressTerms && sizeof($this->aStructuredQuery) > 0)

                                {
                                        $aCopyGroupedSearches = $aGroupedSearches;
                                        foreach($aCopyGroupedSearches as $iGroup => $aSearches)
                                {
                                        $aCopyGroupedSearches = $aGroupedSearches;
                                        foreach($aCopyGroupedSearches as $iGroup => $aSearches)


@@ -1171,7 +1172,7 @@
                                                                        $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
                                                                        if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
                                     if ($bBoundingBoxSearch)
                                                                        $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
                                                                        if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
                                     if ($bBoundingBoxSearch)

-                                        $sSQL .= " and st_overlaps($this->sViewboxSmallSQL, geometry)";
+                                        $sSQL .= " and _st_intersects($this->sViewboxSmallSQL, geometry)";

                                                                        $sSQL .= " order by st_area(geometry) desc limit 1";
                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        $aPlaceIDs = $this->oDB->getCol($sSQL);
                                                                        $sSQL .= " order by st_area(geometry) desc limit 1";
                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        $aPlaceIDs = $this->oDB->getCol($sSQL);


@@ -1237,6 +1238,12 @@
                                                        $aTerms = array();
                                                        $aOrder = array();
 
                                                        $aTerms = array();
                                                        $aOrder = array();
 

+                                                       if ($aSearch['sHouseNumber'] && sizeof($aSearch['aAddress']))
+                                                       {
+                                                               $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
+                                                               $aOrder[] = "exists(select place_id from placex where parent_place_id = search_name.place_id and transliteration(housenumber) ~* E'".$sHouseNumberRegex."' limit 1) desc";
+                                                       }
+

                                                        // TODO: filter out the pointless search terms (2 letter name tokens and less)
                                                        // they might be right - but they are just too darned expensive to run
                                                        if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
                                                        // TODO: filter out the pointless search terms (2 letter name tokens and less)
                                                        // they might be right - but they are just too darned expensive to run
                                                        if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";


@@ -1318,7 +1325,7 @@
                                                                $sSQL .= " where ".join(' and ',$aTerms);
                                                                $sSQL .= " order by ".join(', ',$aOrder);
                                                                if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
                                                                $sSQL .= " where ".join(' and ',$aTerms);
                                                                $sSQL .= " order by ".join(', ',$aOrder);
                                                                if ($aSearch['sHouseNumber'] || $aSearch['sClass'])

-                                                                       $sSQL .= " limit 50";
+                                                                       $sSQL .= " limit 20";

                                                                elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
                                                                        $sSQL .= " limit 1";
                                                                else
                                                                elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
                                                                        $sSQL .= " limit 1";
                                                                else


@@ -1585,23 +1592,49 @@
                        $aRecheckWords = preg_split('/\b[\s,\\-]*/u',$sQuery);
                        foreach($aRecheckWords as $i => $sWord)
                        {
                        $aRecheckWords = preg_split('/\b[\s,\\-]*/u',$sQuery);
                        foreach($aRecheckWords as $i => $sWord)
                        {

-                               if (!$sWord) unset($aRecheckWords[$i]);
+                               if (!preg_match('/\pL/', $sWord)) unset($aRecheckWords[$i]);

                        }
 
                        }
 

+            if (CONST_Debug) { echo '<i>Recheck words:<\i>'; var_dump($aRecheckWords); }
+

                        foreach($aSearchResults as $iResNum => $aResult)
                        {
                        foreach($aSearchResults as $iResNum => $aResult)
                        {

+                               // Default
+                               $fDiameter = 0.0001;
+
+                               if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
+                                               && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
+                               {
+                                       $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
+                               }
+                               elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
+                                               && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
+                               {
+                                       $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
+                               }
+                               $fRadius = $fDiameter / 2;
+

                                if (CONST_Search_AreaPolygons)
                                {
                                        // Get the bounding box and outline polygon
                                        $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
                                        $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
                                if (CONST_Search_AreaPolygons)
                                {
                                        // Get the bounding box and outline polygon
                                        $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
                                        $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";

-                                       $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
-                                       $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
+                                       $sSQL .= "ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,";
+                                       $sSQL .= "ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon";

                                        if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
                                        if ($this->bIncludePolygonAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
                                        if ($this->bIncludePolygonAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
                                        if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ",ST_AsText(geometry) as astext";
                                        if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
                                        if ($this->bIncludePolygonAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
                                        if ($this->bIncludePolygonAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
                                        if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ",ST_AsText(geometry) as astext";

-                                       $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
+                                       $sFrom = " from placex where place_id = ".$aResult['place_id'];
+                                       if ($this->fPolygonSimplificationThreshold > 0)
+                                       {
+                                               $sSQL .= " from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,".$this->fPolygonSimplificationThreshold.") as geometry".$sFrom.") as plx";
+                                       }
+                                       else
+                                       {
+                                               $sSQL .= $sFrom;
+                                       }
+

                                        $aPointPolygon = $this->oDB->getRow($sSQL);
                                        if (PEAR::IsError($aPointPolygon))
                                        {
                                        $aPointPolygon = $this->oDB->getRow($sSQL);
                                        if (PEAR::IsError($aPointPolygon))
                                        {


@@ -1623,7 +1656,7 @@
 
                                                if ($this->bIncludePolygonAsPoints)
                                                {
 
                                                if ($this->bIncludePolygonAsPoints)
                                                {

-                                                       // Translate geometary string to point array
+                                                       // Translate geometry string to point array

                                                        if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
                                                        {
                                                                preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
                                                        if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
                                                        {
                                                                preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);


@@ -1636,7 +1669,6 @@
                             */
                                                        elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
                                                        {
                             */
                                                        elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
                                                        {

-                                                               $fRadius = 0.01;

                                                                $iSteps = ($fRadius * 40000)^2;
                                                                $fStepSize = (2*pi())/$iSteps;
                                                                $aPolyPoints = array();
                                                                $iSteps = ($fRadius * 40000)^2;
                                                                $fStepSize = (2*pi())/$iSteps;
                                                                $aPolyPoints = array();


@@ -1644,10 +1676,6 @@
                                                                {
                                                                        $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
                                                                }
                                                                {
                                                                        $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
                                                                }

-                                                               $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
-                                                               $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
-                                                               $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
-                                                               $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;

                                                        }
                                                }
 
                                                        }
                                                }
 


@@ -1660,6 +1688,17 @@
                                                                $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
                                                        }
                                                }
                                                                $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
                                                        }
                                                }

+
+                                               if (abs($aPointPolygon['minlat'] - $aPointPolygon['maxlat']) < 0.0000001)
+                                               {
+                                                       $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
+                                                       $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
+                                               }
+                                               if (abs($aPointPolygon['minlon'] - $aPointPolygon['maxlon']) < 0.0000001)
+                                               {
+                                                       $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
+                                                       $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
+                                               }

                                                $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
                                        }
                                }
                                                $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
                                        }
                                }


@@ -1673,28 +1712,8 @@
 
                                if (!isset($aResult['aBoundingBox']))
                                {
 
                                if (!isset($aResult['aBoundingBox']))
                                {

-                                       // Default
-                                       $fDiameter = 0.0001;
-
-                                       if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
-                                                       && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
-                                       {
-                                               $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
-                                       }
-                                       elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
-                                                       && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
-                                       {
-                                               $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
-                                       }
-                                       $fRadius = $fDiameter / 2;
-

                                        $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
                                        $fStepSize = (2*pi())/$iSteps;
                                        $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
                                        $fStepSize = (2*pi())/$iSteps;

-                                       $aPolyPoints = array();
-                                       for($f = 0; $f < 2*pi(); $f += $fStepSize)
-                                       {
-                                               $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
-                                       }

                                        $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
                                        $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
                                        $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
                                        $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
                                        $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
                                        $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;


@@ -1703,6 +1722,11 @@
                                        // Output data suitable for display (points and a bounding box)
                                        if ($this->bIncludePolygonAsPoints)
                                        {
                                        // Output data suitable for display (points and a bounding box)
                                        if ($this->bIncludePolygonAsPoints)
                                        {

+                                               $aPolyPoints = array();
+                                               for($f = 0; $f < 2*pi(); $f += $fStepSize)
+                                               {
+                                                       $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
+                                               }

                                                $aResult['aPolyPoints'] = array();
                                                foreach($aPolyPoints as $aPoint)
                                                {
                                                $aResult['aPolyPoints'] = array();
                                                foreach($aPolyPoints as $aPoint)
                                                {


@@ -1748,7 +1772,7 @@
                                        if (stripos($sAddress, $sWord)!==false)
                                        {
                                                $iCountWords++;
                                        if (stripos($sAddress, $sWord)!==false)
                                        {
                                                $iCountWords++;

-                                               if (preg_match("/(^|,)\s*$sWord\s*(,|$)/", $sAddress)) $iCountWords += 0.1;
+                                               if (preg_match("/(^|,)\s*".preg_quote($sWord, '/')."\s*(,|$)/", $sAddress)) $iCountWords += 0.1;

                                        }
                                }
 
                                        }
                                }
 


@@ -1767,11 +1791,11 @@
                                if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
                                        && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
                                {
                                if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
                                        && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
                                {

-                                       $aResult['foundorder'] = $aResult['foundorder'] + 0.000001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
+                                       $aResult['foundorder'] += 0.0001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];

                                }
                                else
                                {
                                }
                                else
                                {

-                                       $aResult['foundorder'] = $aResult['foundorder'] + 0.001;
+                                       $aResult['foundorder'] += 0.01;

                                }
                                $aSearchResults[$iResNum] = $aResult;
                        }
                                }
                                $aSearchResults[$iResNum] = $aResult;
                        }


@@ -1785,7 +1809,6 @@
                        $bFirst = true;
                        foreach($aToFilter as $iResNum => $aResult)
                        {
                        $bFirst = true;
                        foreach($aToFilter as $iResNum => $aResult)
                        {

-                               if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';

                                $this->aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
                                if ($bFirst)
                                {
                                $this->aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
                                if ($bFirst)
                                {