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

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This commit is contained in:
Markus Gail
2016-03-10 16:22:39 +01:00
parent 49d0ce1de4
commit 26e30bf8e1
14 changed files with 450 additions and 76 deletions
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106
lib/Geocode.php
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@@ -44,10 +44,6 @@
protected $sQuery = false;
protected $aStructuredQuery = false;
//for Tiger housenumber interpolation
protected $searchedHousenumber=-1;
protected $housenumberFound=false;
function Geocode(&$oDB)
{
@@ -395,19 +391,20 @@
function getDetails($aPlaceIDs)
{
//$aPlaceIDs is an array with key: placeID and value: tiger-housenumber, if found, else -1
if (sizeof($aPlaceIDs) == 0) return array();
$sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
// Get the details for display (is this a redundant extra step?)
$sPlaceIDs = join(',',$aPlaceIDs);
$sPlaceIDs = join(',',array_keys($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, min(parent_place_id) as parent_place_id, calculated_country_code as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
$sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
if ($this->bIncludeExtraTags) $sSQL .= "hstore_to_json(extratags)::text as extra,";
@@ -434,32 +431,42 @@
if (30 >= $this->iMinAddressRank && 30 <= $this->iMaxAddressRank)
{
//query also location_property_tiger_line and location_property_aux
//Tiger search only if it was searched for a housenumber (searchedHousenumber >=0) and if it was found (housenumberFound = true)
//query also location_property_tiger and location_property_aux
//Tiger search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
//only Tiger housenumbers need to be interpolated, because they are saved as lines with start- and endnumber, the common osm housenumbers are usually saved as points
if($this->searchedHousenumber>=0 && $this->housenumberFound){
$sSQL .= "union ";
$sSQL .= "select 'T' as osm_type, place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id,'us' as country_code";
$sSQL .= ", get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress ";
$sSQL .= ", null as placename";
$sSQL .= ", null as ref";
if ($this->bIncludeExtraTags) $sSQL .= ", null as extra";
if ($this->bIncludeNameDetails) $sSQL .= ", null as names";
$sSQL .= ", avg(st_x(point)) as lon, avg(st_y(point)) as lat";
$sSQL .= $sImportanceSQL.", -1.15 as importance ";
$sSQL .= ", 1.0 as addressimportance "; //not sure how the addressimportance is/should be calculated for Tiger data
$sSQL .= ", null as extra_place ";
$sSQL .= " from (select place_id";
//interpolate the Tiger housenumbers here
$sSQL .= ",ST_LineInterpolatePoint(linegeo, ($this->searchedHousenumber::float-startnumber::float)/(endnumber-startnumber)::float) as point, parent_place_id ";
$sSQL .= "from location_property_tiger_line where place_id in ($sPlaceIDs) ";
$sSQL .= "and 30 between $this->iMinAddressRank and $this->iMaxAddressRank) as blub"; //postgres wants an alias here
$sSQL .= " group by place_id"; //why group by place_id, isnt place_id unique?
if (!$this->bDeDupe) $sSQL .= ",place_id ";
$sHousenumbers = "";
$i=0;
$length=count($aPlaceIDs);
foreach($aPlaceIDs as $placeID => $housenumber){
$i++;
$sHousenumbers .= "(".$placeID.",".$housenumber.")";
if($i<$length)
$sHousenumbers .= ",";
}
$sSQL .= "union ";
$sSQL .= "select 'T' as osm_type, place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id,'us' as country_code";
$sSQL .= ", get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) as langaddress ";
$sSQL .= ", null as placename";
$sSQL .= ", null as ref";
if ($this->bIncludeExtraTags) $sSQL .= ", null as extra";
if ($this->bIncludeNameDetails) $sSQL .= ", null as names";
$sSQL .= ", avg(st_x(point)) as lon, avg(st_y(point)) as lat";
$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(blub.parent_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 (select place_id";
//interpolate the Tiger housenumbers here
$sSQL .= ",ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) as point, parent_place_id, housenumber_for_place ";
$sSQL .= "from (location_property_tiger ";
$sSQL .= " join (values ".$sHousenumbers.") as housenumbers(place_id,housenumber_for_place) using(place_id)) ";
$sSQL .= " where housenumber_for_place>=0 and 30 between $this->iMinAddressRank and $this->iMaxAddressRank) as blub"; //postgres wants an alias here
$sSQL .= " group by place_id, housenumber_for_place"; //is this group by really needed?, place_id + housenumber (in combination) are unique
if (!$this->bDeDupe) $sSQL .= ",place_id ";
$sSQL .= " union ";
$sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id,'us' as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "null as placename,";
$sSQL .= "null as ref,";
if ($this->bIncludeExtraTags) $sSQL .= "null as extra,";
@@ -472,7 +479,7 @@
$sSQL .= "and 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
$sSQL .= "group by place_id";
if (!$this->bDeDupe) $sSQL .= ",place_id";
$sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
$sSQL .= ",get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) ";
}
$sSQL .= " order by importance desc";
@@ -1089,6 +1096,7 @@
// TODO: suggestions
// Start the search process
// array with: placeid => -1 | tiger-housenumber
$aResultPlaceIDs = array();
$aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases);
@@ -1206,6 +1214,7 @@
foreach($aSearches as $aSearch)
{
$iQueryLoop++;
$searchedHousenumber=-1;
if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
@@ -1431,18 +1440,18 @@
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $this->oDB->getCol($sSQL);
}
//if nothing was found in placex or location_property_aux, then search in Tiger data for this housenumber(location_property_tiger_line)
//if nothing was found in placex or location_property_aux, then search in Tiger data for this housenumber(location_property_tiger)
$searchedHousenumber = intval($aSearch['sHouseNumber']);
if (!sizeof($aPlaceIDs))
{
//$sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
//new query for lines, not housenumbers anymore
$this->searchedHousenumber = intval($aSearch['sHouseNumber']);
if($this->searchedHousenumber%2==0){
if($searchedHousenumber%2==0){
//if housenumber is even, look for housenumber in streets with interpolationtype even or all
$sSQL = "select distinct place_id from location_property_tiger_line where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='even' or interpolationtype='all') and ".$this->searchedHousenumber.">=startnumber and ".$this->searchedHousenumber."<=endnumber";
$sSQL = "select distinct place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='even' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
}else{
//look for housenumber in streets with interpolationtype odd or all
$sSQL = "select distinct place_id from location_property_tiger_line where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='odd' or interpolationtype='all') and ".$this->searchedHousenumber.">=startnumber and ".$this->searchedHousenumber."<=endnumber";
$sSQL = "select distinct place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='odd' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
}
if (sizeof($this->aExcludePlaceIDs))
@@ -1459,11 +1468,10 @@
if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
{
$aPlaceIDs = $aRoadPlaceIDs;
//set to false, if no housenumbers were found
$this->housenumberFound=false;
//set to -1, if no housenumbers were found
$searchedHousenumber=-1;
}else{
//housenumber was found
$this->housenumberFound=true;
//housenumber was found, remains saved in searchedHousenumber
}
}
@@ -1594,7 +1602,8 @@
foreach($aPlaceIDs as $iPlaceID)
{
$aResultPlaceIDs[$iPlaceID] = $iPlaceID;
// array for placeID => -1 | Tiger housenumber
$aResultPlaceIDs[$iPlaceID] = $searchedHousenumber;
}
if ($iQueryLoop > 20) break;
}
@@ -1602,16 +1611,22 @@
if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30))
{
// Need to verify passes rank limits before dropping out of the loop (yuk!)
$sSQL = "select place_id from placex where place_id in (".join(',',$aResultPlaceIDs).") ";
// reduces the number of place id, like a filter
$sSQL = "select place_id from placex where place_id in (".join(',',array_keys($aResultPlaceIDs)).") ";
$sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
if ($this->aAddressRankList) $sSQL .= " OR placex.rank_address in (".join(',',$this->aAddressRankList).")";
$sSQL .= ") UNION select place_id from location_property_tiger where place_id in (".join(',',$aResultPlaceIDs).") ";
$sSQL .= ") UNION select place_id from location_property_tiger where place_id in (".join(',',array_keys($aResultPlaceIDs)).") ";
$sSQL .= "and (30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
if ($this->aAddressRankList) $sSQL .= " OR 30 in (".join(',',$this->aAddressRankList).")";
$sSQL .= ")";
if (CONST_Debug) var_dump($sSQL);
$aResultPlaceIDs = $this->oDB->getCol($sSQL);
$aFilteredPlaceIDs = $this->oDB->getCol($sSQL);
$tempIDs = array();
foreach($aFilteredPlaceIDs as $placeID){
$tempIDs[$placeID]= $aResultPlaceIDs[$placeID]; //assign housenumber to placeID
}
$aResultPlaceIDs=$tempIDs;
}
//exit;
@@ -1796,17 +1811,16 @@
{
$aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
}
/* Implement this function later. if tag '&addressdetails=1' is set in query
// if tag '&addressdetails=1' is set in query
if ($this->bIncludeAddressDetails)
{
* getAddressDetails() is defined in lib.php and uses the SQL function get_addressdata in functions.sql
$aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
// getAddressDetails() is defined in lib.php and uses the SQL function get_addressdata in functions.sql
$aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code'], $aResultPlaceIDs[$aResult['place_id']]);
if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city']))
{
$aResult['address'] = array_merge(array('city' => array_shift(array_values($aResult['address']))), $aResult['address']);
}
}
*/
if ($this->bIncludeExtraTags)
{
if ($aResult['extra'])