]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/ReverseGeocode.php
index on geometry of interpolation lines, and more improvements.
[nominatim.git] / lib / ReverseGeocode.php
index 75a9b71c3fd902c1bbcc8a613afa5e2acd0ce162..05093af388cfaf36ddd192290f3d96409d8af7d3 100644 (file)
                        $fMaxAreaDistance = 1;
                        $bIsInUnitedStates = false;
                        $bPlaceIsTiger = false;
+                       $bPlaceIsLine = false;
                        while(!$iPlaceID && $fSearchDiam < $fMaxAreaDistance)
                        {
                                $fSearchDiam = $fSearchDiam * 2;
                                $iParentPlaceID = $aPlace['parent_place_id'];
                                $bIsInUnitedStates = ($aPlace['calculated_country_code'] == 'us');
                        }
+                       // if a street or house was found, look in interpolation lines table
+                       if ($iMaxRank_orig >= 28 && $aPlace && $aPlace['rank_search'] >= 26)
+                       {
+                               // if a house was found, search the interpolation line that is at least as close as the house
+                               $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search, ST_line_locate_point(linegeo,'.$sPointSQL.') as fraction';
+                               $sSQL .= ' FROM location_property_osmline';
+                               $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
+                               $sSQL .= ' and indexed_status = 0 ';
+                               $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', linegeo) ASC limit 1';
+                               
+                               if (CONST_Debug)
+                               {
+                                       $sSQL = preg_replace('/limit 1/', 'limit 100', $sSQL);
+                                       var_dump($sSQL);
 
+                                       $aAllHouses = $this->oDB->getAll($sSQL);
+                                       foreach($aAllHouses as $i)
+                                       {
+                                               echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "<br>\n";
+                                       }
+                               }
+                               $aPlaceLine = $this->oDB->getRow($sSQL);
+                               if (PEAR::IsError($aPlaceLine))
+                               {
+                                       failInternalError("Could not determine closest housenumber on an osm interpolation line.", $sSQL, $aPlaceLine);
+                               }
+                               if ($aPlaceLine)
+                               {
+                                       if (CONST_Debug) var_dump('found housenumber in interpolation lines table', $aPlaceLine);
+                                       if ($aPlace['rank_search'] == 30)
+                                       {
+                                               // if a house was already found in placex, we have to find out, 
+                                               // if the placex house or the interpolated house are closer to the searched point
+                                               // distance between point and placex house
+                                               $sSQL = 'SELECT ST_distance('.$sPointSQL.', house.geometry) as distance FROM placex as house WHERE house.place_id='.$iPlaceID;
+                                               $aDistancePlacex = $this->oDB->getRow($sSQL);
+                                               if (PEAR::IsError($aDistancePlacex))
+                                               {
+                                                       failInternalError("Could not determine distance between searched point and placex house.", $sSQL, $aDistancePlacex);
+                                               }
+                                               $fDistancePlacex = $aDistancePlacex['distance'];
+                                               // distance between point and interpolated house (fraction on interpolation line)
+                                               $sSQL = 'SELECT ST_distance('.$sPointSQL.', ST_LineInterpolatePoint(linegeo, '.$aPlaceLine['fraction'].')) as distance';
+                                               $sSQL .= ' FROM location_property_osmline WHERE place_id = '.$aPlaceLine['place_id'];
+                                               $aDistanceInterpolation = $this->oDB->getRow($sSQL);
+                                               if (PEAR::IsError($aDistanceInterpolation))
+                                               {
+                                                       failInternalError("Could not determine distance between searched point and interpolated house.", $sSQL, $aDistanceInterpolation);
+                                               }
+                                               $fDistanceInterpolation = $aDistanceInterpolation['distance'];
+                                               if ($fDistanceInterpolation < $fDistancePlacex)
+                                               {
+                                                       // interpolation is closer to point than placex house
+                                                       $bPlaceIsLine = true;
+                                                       $aPlace = $aPlaceLine;
+                                                       $iPlaceID = $aPlaceLine['place_id'];
+                                                       $iParentPlaceID = $aPlaceLine['parent_place_id']; // the street
+                                                       $fFraction = $aPlaceLine['fraction'];
+                                               }
+                                               // else: nothing to do, take placex house from above
+                                       }
+                                       else
+                                       {
+                                               $bPlaceIsLine = true;
+                                               $aPlace = $aPlaceLine;
+                                               $iPlaceID = $aPlaceLine['place_id'];
+                                               $iParentPlaceID = $aPlaceLine['parent_place_id']; // the street
+                                               $fFraction = $aPlaceLine['fraction'];
+                                       }
+                               }
+                       }
+                       
                        // Only street found? If it's in the US we can check TIGER data for nearest housenumber
                        if (CONST_Use_US_Tiger_Data && $bIsInUnitedStates && $iMaxRank_orig >= 28 && $iPlaceID && ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27 ))
                        {
                                }
 
                                $aPlaceTiger = $this->oDB->getRow($sSQL);
-                               if (PEAR::IsError($aPlace))
+                               if (PEAR::IsError($aPlaceTiger))
                                {
                                        failInternalError("Could not determine closest Tiger place.", $sSQL, $aPlaceTiger);
                                }
                                if ($aPlaceTiger)
                                {
-                                       if (CONST_Debug) var_dump('found Tiger place', $aPlaceTiger);
+                                       if (CONST_Debug) var_dump('found Tiger housenumber', $aPlaceTiger);
                                        $bPlaceIsTiger = true;
                                        $aPlace = $aPlaceTiger;
                                        $iPlaceID = $aPlaceTiger['place_id'];
                                        $iParentPlaceID = $aPlaceTiger['parent_place_id']; // the street
-                                       $iFraction = $aPlaceTiger['fraction'];
+                                       $fFraction = $aPlaceTiger['fraction'];
                                }
                        }
 
                        // The point we found might be too small - use the address to find what it is a child of
                        if ($iPlaceID && $iMaxRank < 28)
                        {
-                               if ($aPlace['rank_search'] > 28 && $iParentPlaceID && !$bPlaceIsTiger)
+                               if (($aPlace['rank_search'] > 28 || $bPlaceIsTiger || $bPlaceIsLine) && $iParentPlaceID)
                                {
                                        $iPlaceID = $iParentPlaceID;
                                }
                                        $iPlaceID = $aPlace['place_id'];
                                }
                        }
-
                        return array('place_id' => $iPlaceID,
-                                               'type' => $bPlaceIsTiger ? 'tiger' : 'osm',
-                                               'fraction' => $bPlaceIsTiger ? $iFraction : -1);
+                                               'type' => $bPlaceIsTiger ? 'tiger' : $bPlaceIsLine ? 'interpolation' : 'osm',
+                                               'fraction' => ($bPlaceIsTiger || $bPlaceIsLine) ? $fFraction : -1);
                }
                
        }