From 2e14c7b337b9540ab03a4ed3c3cb21b16f1be6cd Mon Sep 17 00:00:00 2001 From: Sarah Hoffmann Date: Tue, 10 Sep 2013 21:09:11 +0200 Subject: [PATCH] give mild preference to results in viewbox --- lib/Geocode.php | 46 ++++++++++++++++++++++++++-------------------- 1 file changed, 26 insertions(+), 20 deletions(-) diff --git a/lib/Geocode.php b/lib/Geocode.php index 89d8c4a6..979f1ed8 100644 --- a/lib/Geocode.php +++ b/lib/Geocode.php @@ -26,6 +26,8 @@ protected $bBoundedSearch = false; protected $aViewBox = false; + protected $sViewboxSmallSQL = false; + protected $sViewboxLargeSQL = false; protected $aRoutePoints = false; protected $iMaxRank = 20; @@ -225,12 +227,16 @@ // Get the details for display (is this a redundant extra step?) $sPlaceIDs = join(',',$aPlaceIDs); + $sImportanceSQL = ''; + if ($this->sViewboxSmallSQL) $sImportanceSQL .= " case when ST_Contains($this->sViewboxSmallSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * "; + if ($this->sViewboxLargeSQL) $sImportanceSQL .= " case when ST_Contains($this->sViewboxLargeSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * "; + $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,"; $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,"; $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,"; $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,"; $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, "; - $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, "; + $sSQL .= $sImportanceSQL."coalesce(importance,0.75-(rank_search::float/40)) as importance, "; $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(placex.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, "; $sSQL .= "(extratags->'place') as extra_place "; $sSQL .= "from placex where place_id in ($sPlaceIDs) "; @@ -255,7 +261,7 @@ $sSQL .= "null as placename,"; $sSQL .= "null as ref,"; $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, "; - $sSQL .= "-0.15 as importance, "; + $sSQL .= $sImportanceSQL."-1.15 as importance, "; $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_tiger.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, "; $sSQL .= "null as extra_place "; $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) "; @@ -269,7 +275,7 @@ $sSQL .= "null as placename,"; $sSQL .= "null as ref,"; $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, "; - $sSQL .= "-0.10 as importance, "; + $sSQL .= $sImportanceSQL."-1.10 as importance, "; $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, "; $sSQL .= "null as extra_place "; $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) "; @@ -316,7 +322,7 @@ } // View Box SQL - $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false; + $sViewboxCentreSQL; $bBoundingBoxSearch = false; if ($this->aViewBox) { @@ -327,8 +333,8 @@ $aBigViewBox[1] = $this->aViewBox[1] + $fWidth; $aBigViewBox[3] = $this->aViewBox[3] - $fWidth; - $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$this->aViewBox[0].",".(float)$this->aViewBox[1]."),ST_Point(".(float)$this->aViewBox[2].",".(float)$this->aViewBox[3].")),4326)"; - $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aBigViewBox[0].",".(float)$aBigViewBox[1]."),ST_Point(".(float)$aBigViewBox[2].",".(float)$aBigViewBox[3].")),4326)"; + $this->sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$this->aViewBox[0].",".(float)$this->aViewBox[1]."),ST_Point(".(float)$this->aViewBox[2].",".(float)$this->aViewBox[3].")),4326)"; + $this->sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aBigViewBox[0].",".(float)$aBigViewBox[1]."),ST_Point(".(float)$aBigViewBox[2].",".(float)$aBigViewBox[3].")),4326)"; $bBoundingBoxSearch = $this->bBoundedSearch; } @@ -345,20 +351,20 @@ $sViewboxCentreSQL .= ")'::geometry,4326)"; $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")"; - $sViewboxSmallSQL = $this->oDB->getOne($sSQL); - if (PEAR::isError($sViewboxSmallSQL)) + $this->sViewboxSmallSQL = $this->oDB->getOne($sSQL); + if (PEAR::isError($this->sViewboxSmallSQL)) { - failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL); + failInternalError("Could not get small viewbox.", $sSQL, $this->sViewboxSmallSQL); } - $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry"; + $this->sViewboxSmallSQL = "'".$this->sViewboxSmallSQL."'::geometry"; $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")"; - $sViewboxLargeSQL = $this->oDB->getOne($sSQL); - if (PEAR::isError($sViewboxLargeSQL)) + $this->sViewboxLargeSQL = $this->oDB->getOne($sSQL); + if (PEAR::isError($this->sViewboxLargeSQL)) { - failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL); + failInternalError("Could not get large viewbox.", $sSQL, $this->sViewboxLargeSQL); } - $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry"; + $this->sViewboxLargeSQL = "'".$this->sViewboxLargeSQL."'::geometry"; $bBoundingBoxSearch = $this->bBoundedSearch; } @@ -1006,7 +1012,7 @@ { $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct"; if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)"; - $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)"; + $sSQL .= " where st_contains($this->sViewboxSmallSQL, ct.centroid)"; if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)"; if (sizeof($this->aExcludePlaceIDs)) { @@ -1024,7 +1030,7 @@ { $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct"; if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)"; - $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)"; + $sSQL .= " where st_contains($this->sViewboxLargeSQL, ct.centroid)"; if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)"; if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc"; $sSQL .= " limit $this->iLimit"; @@ -1035,7 +1041,7 @@ else { $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'"; - $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null"; + $sSQL .= " and st_contains($this->sViewboxSmallSQL, geometry) and linked_place_id is null"; if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)"; if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc"; $sSQL .= " limit $this->iLimit"; @@ -1087,12 +1093,12 @@ $aTerms[] = "country_code in ($sCountryCodesSQL)"; } - if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL"; + if ($bBoundingBoxSearch) $aTerms[] = "centroid && $this->sViewboxSmallSQL"; if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc"; $sImportanceSQL = '(case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end)'; - if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END"; - if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END"; + if ($this->sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($this->sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END"; + if ($this->sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($this->sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END"; $aOrder[] = "$sImportanceSQL DESC"; if (sizeof($aSearch['aFullNameAddress'])) { -- 2.39.5