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

[nominatim.git] / lib / ReverseGeocode.php

diff --git a/lib/ReverseGeocode.php b/lib/ReverseGeocode.php
index e40ce6cceaa23f2904be061914c46a3bdf73b718..a296114f4759c1405847408e62a1a25130c90914 100644 (file)
--- a/lib/ReverseGeocode.php
+++ b/lib/ReverseGeocode.php
@@ -110,15 +110,15 @@
                        if ($bIsInUnitedStates && $iMaxRank_orig >= 28 && $iPlaceID && ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27 )) 
                        {
                                $fSearchDiam = 0.001;
-                               $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search ';
-                               if (CONST_Debug) { $sSQL .= ', housenumber, ST_distance('.$sPointSQL.', centroid) as distance, st_y(centroid) as lat, st_x(centroid) as lon'; }
+                               $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search, ST_line_locate_point(linegeo,'.$sPointSQL.') as fraction';
+                               //if (CONST_Debug) { $sSQL .= ', housenumber, ST_distance('.$sPointSQL.', centroid) as distance, st_y(centroid) as lat, st_x(centroid) as lon'; }
                                $sSQL .= ' FROM location_property_tiger WHERE parent_place_id = '.$iPlaceID;
-                               $sSQL .= ' AND ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.')';
-                               $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', centroid) ASC limit 1';
+                               $sSQL .= ' AND ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';  //no centroid anymore in Tiger data, now we have lines
+                               $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', linegeo) ASC limit 1';
 
 
                                // print all house numbers in the parent (street)
-                               if (CONST_Debug)
+                               /*if (CONST_Debug)
                                {
                                        $sSQL = preg_replace('/limit 1/', 'limit 100', $sSQL);
                                        var_dump($sSQL);
@@ -128,7 +128,7 @@
                                        {
                                                echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "<br>\n";
                                        }
-                               }
+                               }*/
 
                                $aPlaceTiger = $this->oDB->getRow($sSQL);
                                if (PEAR::IsError($aPlace))
@@ -142,6 +142,7 @@
                                        $aPlace = $aPlaceTiger;
                                        $iPlaceID = $aPlaceTiger['place_id'];
                                        $iParentPlaceID = $aPlaceTiger['parent_place_id']; // the street
+                    $iFraction = $aPlaceTiger['fraction'];
                                }
                        }
 
@@ -165,7 +166,8 @@
                        }
 
                        return array('place_id' => $iPlaceID,
-                                            'type' => $bPlaceIsTiger ? 'tiger' : 'osm');
+                                            'type' => $bPlaceIsTiger ? 'tiger' : 'osm',
+                         'fraction' => $bPlaceIsTiger ? $iFraction : -1 );
                }
        }
 ?>