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

[nominatim.git] / lib / PlaceLookup.php

diff --git a/lib/PlaceLookup.php b/lib/PlaceLookup.php
index 04e45d5aba704657c933614900fdef835fd9c403..e29b6d0ae693aec509a40e590b145e0e09fbc514 100644 (file)
--- a/lib/PlaceLookup.php
+++ b/lib/PlaceLookup.php
@@ -6,6 +6,8 @@
                protected $iPlaceID;
 
                protected $sType = false;
+        
+        protected $fTigerFraction =-1;
 
                protected $aLangPrefOrder = array();
 
@@ -115,6 +117,7 @@
                        {
                                $this->setOSMID($details['osm_type'], $details['osm_id']);
                        }
+            if (isset($details['fraction'])) $this->fTigerFraction = $details['fraction'];
 
                        return $this->lookup();
                }
@@ -130,20 +133,24 @@
                                $sSQL = "select place_id,partition, 'T' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, housenumber, null as street, null as isin, postcode,";
                                $sSQL .= " 'us' as country_code, parent_place_id, null as linked_place_id, 30 as rank_address, 30 as rank_search,";
                                $sSQL .= " coalesce(null,0.75-(30::float/40)) as importance, null as indexed_status, null as indexed_date, null as wikipedia, 'us' as calculated_country_code, ";
-                               $sSQL .= " get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
+                               $sSQL .= " get_address_by_language(place_id, housenumber,$sLanguagePrefArraySQL) as langaddress,";
                                $sSQL .= " null as placename,";
                                $sSQL .= " null as ref,";
                                if ($this->bExtraTags) $sSQL .= " null as extra,";
                                if ($this->bNameDetails) $sSQL .= " null as names,";
-                               $sSQL .= " st_y(centroid) as lat,";
-                               $sSQL .= " st_x(centroid) as lon";
-                               $sSQL .= " from location_property_tiger where place_id = ".(int)$this->iPlaceID;
+                               $sSQL .= " ST_X(point) as lon, ST_Y(point) as lat from (select *, ST_LineInterpolatePoint(linegeo, (housenumber-startnumber::float)/(endnumber-startnumber)::float) as point from ";
+                               $sSQL .= " (select *, ";
+                $sSQL .= " CASE WHEN interpolationtype='odd' THEN floor((".$this->fTigerFraction."*(endnumber-startnumber)+startnumber)/2)::int*2+1";
+                $sSQL .= " WHEN interpolationtype='even' THEN ((".$this->fTigerFraction."*(endnumber-startnumber)+startnumber+1)/2)::int*2";
+                $sSQL .= " WHEN interpolationtype='all' THEN (".$this->fTigerFraction."*(endnumber-startnumber)+startnumber)::int";
+                $sSQL .= " END as housenumber";
+                $sSQL .= " from location_property_tiger where place_id = ".(int)$this->iPlaceID.") as blub1) as blub2";
                        }
                        else
                        {
                                $sSQL = "select placex.place_id, partition, osm_type, osm_id, class, type, admin_level, housenumber, street, isin, postcode, country_code, parent_place_id, linked_place_id, rank_address, rank_search, ";
                                $sSQL .= " coalesce(importance,0.75-(rank_search::float/40)) as importance, indexed_status, indexed_date, wikipedia, calculated_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->bExtraTags) $sSQL .= " hstore_to_json(extratags) as extra,";
@@ -165,7 +172,10 @@
 
                        if ($this->bAddressDetails)
                        {
-                               $aAddress = $this->getAddressNames();
+                if($this->sType == 'tiger') // to get addressdetails for tiger data, the housenumber is needed
+                    $aAddress = $this->getAddressNames($aPlace['housenumber']);
+                else
+                    $aAddress = $this->getAddressNames();
                                $aPlace['aAddress'] = $aAddress;
                        }
 
@@ -213,13 +223,13 @@
                        return $aPlace;
                }
 
-               function getAddressDetails($bAll = false)
+               function getAddressDetails($bAll = false, $housenumber = -1)
                {
                        if (!$this->iPlaceID) return null;
 
                        $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted", $this->aLangPrefOrder))."]";
 
-                       $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata(".$this->iPlaceID.")";
+                       $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata(".$this->iPlaceID.",".$housenumber.")";
                        if (!$bAll) $sSQL .= " WHERE isaddress OR type = 'country_code'";
                        $sSQL .= " order by rank_address desc,isaddress desc";
 
@@ -232,9 +242,9 @@
                        return $aAddressLines;
                }
 
-               function getAddressNames()
+               function getAddressNames($housenumber = -1)
                {
-                       $aAddressLines = $this->getAddressDetails(false);
+                       $aAddressLines = $this->getAddressDetails(false, $housenumber);
 
                        $aAddress = array();
                        $aFallback = array();