X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/991bd0004a400c84c2a63053eb6671a6442204f8..cecbfb8e4c8c3265a9d9222d7dadeb11ebdd034c:/lib/ReverseGeocode.php?ds=sidebyside diff --git a/lib/ReverseGeocode.php b/lib/ReverseGeocode.php index d9652764..d9554920 100644 --- a/lib/ReverseGeocode.php +++ b/lib/ReverseGeocode.php @@ -1,227 +1,216 @@ oDB =& $oDB; - } - - function setLanguagePreference($aLangPref) - { - $this->aLangPrefOrder = $aLangPref; - } - - function setLatLon($fLat, $fLon) - { - $this->fLat = (float)$fLat; - $this->fLon = (float)$fLon; - } - - function setRank($iRank) - { - $this->iMaxRank = $iRank; - } - - function setZoom($iZoom) - { - // Zoom to rank, this could probably be calculated but a lookup gives fine control - $aZoomRank = array( - 0 => 2, // Continent / Sea - 1 => 2, - 2 => 2, - 3 => 4, // Country - 4 => 4, - 5 => 8, // State - 6 => 10, // Region - 7 => 10, - 8 => 12, // County - 9 => 12, - 10 => 17, // City - 11 => 17, - 12 => 18, // Town / Village - 13 => 18, - 14 => 22, // Suburb - 15 => 22, - 16 => 26, // Street, TODO: major street? - 17 => 26, - 18 => 30, // or >, Building - 19 => 30, // or >, Building - ); - $this->iMaxRank = (isset($iZoom) && isset($aZoomRank[$iZoom]))?$aZoomRank[$iZoom]:28; - } - - function setIncludePolygonAsPoints($b = true) - { - $this->bIncludePolygonAsPoints = $b; - } - - function getIncludePolygonAsPoints() - { - return $this->bIncludePolygonAsPoints; - } - - function setIncludePolygonAsText($b = true) - { - $this->bIncludePolygonAsText = $b; - } - - function getIncludePolygonAsText() - { - return $this->bIncludePolygonAsText; - } - - function setIncludePolygonAsGeoJSON($b = true) - { - $this->bIncludePolygonAsGeoJSON = $b; - } - - function setIncludePolygonAsKML($b = true) - { - $this->bIncludePolygonAsKML = $b; - } - - function setIncludePolygonAsSVG($b = true) - { - $this->bIncludePolygonAsSVG = $b; - } - - function setPolygonSimplificationThreshold($f) - { - $this->fPolygonSimplificationThreshold = $f; - } - - // returns { place_id =>, type => '(osm|tiger)' } - // fails if no place was found - function lookup() - { - $sPointSQL = 'ST_SetSRID(ST_Point('.$this->fLon.','.$this->fLat.'),4326)'; - $iMaxRank = $this->iMaxRank; - $iMaxRank_orig = $this->iMaxRank; - - // Find the nearest point - $fSearchDiam = 0.0004; - $iPlaceID = null; - $aArea = false; - $fMaxAreaDistance = 1; - $bIsInUnitedStates = false; - $bPlaceIsTiger = false; - while(!$iPlaceID && $fSearchDiam < $fMaxAreaDistance) - { - $fSearchDiam = $fSearchDiam * 2; - - // If we have to expand the search area by a large amount then we need a larger feature - // then there is a limit to how small the feature should be - if ($fSearchDiam > 2 && $iMaxRank > 4) $iMaxRank = 4; - if ($fSearchDiam > 1 && $iMaxRank > 9) $iMaxRank = 8; - if ($fSearchDiam > 0.8 && $iMaxRank > 10) $iMaxRank = 10; - if ($fSearchDiam > 0.6 && $iMaxRank > 12) $iMaxRank = 12; - if ($fSearchDiam > 0.2 && $iMaxRank > 17) $iMaxRank = 17; - if ($fSearchDiam > 0.1 && $iMaxRank > 18) $iMaxRank = 18; - if ($fSearchDiam > 0.008 && $iMaxRank > 22) $iMaxRank = 22; - if ($fSearchDiam > 0.001 && $iMaxRank > 26) $iMaxRank = 26; - - $sSQL = 'select place_id,parent_place_id,rank_search,calculated_country_code'; - $sSQL .= ' FROM placex'; - $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')'; - $sSQL .= ' and rank_search != 28 and rank_search >= '.$iMaxRank; - $sSQL .= ' and (name is not null or housenumber is not null)'; - $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')'; - $sSQL .= ' and indexed_status = 0 '; - $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') '; - $sSQL .= ' OR ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.'))'; - $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', geometry) ASC limit 1'; - if (CONST_Debug) var_dump($sSQL); - $aPlace = $this->oDB->getRow($sSQL); - if (PEAR::IsError($aPlace)) - { - failInternalError("Could not determine closest place.", $sSQL, $aPlace); - } - $iPlaceID = $aPlace['place_id']; - $iParentPlaceID = $aPlace['parent_place_id']; - $bIsInUnitedStates = ($aPlace['calculated_country_code'] == 'us'); - } - - // Only street found? If it's in the US we can check TIGER data for nearest housenumber - 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'; } - $sSQL .= ' FROM location_property_tiger WHERE parent_place_id = '.$iPlaceID; - $sSQL .= ' AND ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.')'; - $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', centroid) ASC limit 1'; - - - // print all house numbers in the parent (street) - 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']. ' | '. "
\n"; - } - } - - $aPlaceTiger = $this->oDB->getRow($sSQL); - if (PEAR::IsError($aPlace)) - { - failInternalError("Could not determine closest Tiger place.", $sSQL, $aPlaceTiger); - } - if ($aPlaceTiger) - { - if (CONST_Debug) var_dump('found Tiger place', $aPlaceTiger); - $bPlaceIsTiger = true; - $aPlace = $aPlaceTiger; - $iPlaceID = $aPlaceTiger['place_id']; - $iParentPlaceID = $aPlaceTiger['parent_place_id']; // the street - } - } - - // The point we found might be too small - use the address to find what it is a child of - if ($iPlaceID && $iMaxRank < 28) - { - if ($aPlace['rank_search'] > 28 && $iParentPlaceID && !$bPlaceIsTiger) - { - $iPlaceID = $iParentPlaceID; - } - $sSQL = 'select address_place_id'; - $sSQL .= ' FROM place_addressline'; - $sSQL .= " WHERE place_id = $iPlaceID"; - $sSQL .= " ORDER BY abs(cached_rank_address - $iMaxRank) asc,cached_rank_address desc,isaddress desc,distance desc"; - $sSQL .= ' LIMIT 1'; - $iPlaceID = $this->oDB->getOne($sSQL); - if (PEAR::IsError($iPlaceID)) - { - failInternalError("Could not get parent for place.", $sSQL, $iPlaceID); - } - if (!$iPlaceID) - { - $iPlaceID = $aPlace['place_id']; - } - } - - return array('place_id' => $iPlaceID, - 'type' => $bPlaceIsTiger ? 'tiger' : 'osm'); - } - - } -?> + +namespace Nominatim; + +class ReverseGeocode +{ + protected $oDB; + protected $iMaxRank = 28; + + + public function __construct(&$oDB) + { + $this->oDB =& $oDB; + } + + + public function setZoom($iZoom) + { + // Zoom to rank, this could probably be calculated but a lookup gives fine control + $aZoomRank = array( + 0 => 2, // Continent / Sea + 1 => 2, + 2 => 2, + 3 => 4, // Country + 4 => 4, + 5 => 8, // State + 6 => 10, // Region + 7 => 10, + 8 => 12, // County + 9 => 12, + 10 => 17, // City + 11 => 17, + 12 => 18, // Town / Village + 13 => 18, + 14 => 22, // Suburb + 15 => 22, + 16 => 26, // Street, TODO: major street? + 17 => 26, + 18 => 30, // or >, Building + 19 => 30, // or >, Building + ); + $this->iMaxRank = (isset($iZoom) && isset($aZoomRank[$iZoom]))?$aZoomRank[$iZoom]:28; + } + + + /* lookup() + * returns { place_id =>, type => '(osm|tiger)' } + * fails if no place was found + */ + + + public function lookup($fLat, $fLon, $bDoInterpolation = true) + { + $sPointSQL = 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)'; + $iMaxRank = $this->iMaxRank; + + // Find the nearest point + $fSearchDiam = 0.0004; + $iPlaceID = null; + $aArea = false; + $fMaxAreaDistance = 1; + $bIsInUnitedStates = false; + $bPlaceIsTiger = false; + $bPlaceIsLine = false; + while (!$iPlaceID && $fSearchDiam < $fMaxAreaDistance) { + $fSearchDiam = $fSearchDiam * 2; + + // If we have to expand the search area by a large amount then we need a larger feature + // then there is a limit to how small the feature should be + if ($fSearchDiam > 2 && $iMaxRank > 4) $iMaxRank = 4; + if ($fSearchDiam > 1 && $iMaxRank > 9) $iMaxRank = 8; + if ($fSearchDiam > 0.8 && $iMaxRank > 10) $iMaxRank = 10; + if ($fSearchDiam > 0.6 && $iMaxRank > 12) $iMaxRank = 12; + if ($fSearchDiam > 0.2 && $iMaxRank > 17) $iMaxRank = 17; + if ($fSearchDiam > 0.1 && $iMaxRank > 18) $iMaxRank = 18; + if ($fSearchDiam > 0.008 && $iMaxRank > 22) $iMaxRank = 22; + if ($fSearchDiam > 0.001 && $iMaxRank > 26) $iMaxRank = 26; + + $sSQL = 'select place_id,parent_place_id,rank_search,calculated_country_code'; + $sSQL .= ' FROM placex'; + $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')'; + $sSQL .= ' and rank_search != 28 and rank_search >= '.$iMaxRank; + $sSQL .= ' and (name is not null or housenumber is not null)'; + $sSQL .= ' and class not in (\'waterway\',\'railway\',\'tunnel\',\'bridge\',\'man_made\')'; + $sSQL .= ' and indexed_status = 0 '; + $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') '; + $sSQL .= ' OR ST_DWithin('.$sPointSQL.', centroid, '.$fSearchDiam.'))'; + $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', geometry) ASC limit 1'; + if (CONST_Debug) var_dump($sSQL); + $aPlace = chksql( + $this->oDB->getRow($sSQL), + "Could not determine closest place." + ); + $iPlaceID = $aPlace['place_id']; + $iParentPlaceID = $aPlace['parent_place_id']; + $bIsInUnitedStates = ($aPlace['calculated_country_code'] == 'us'); + } + // if a street or house was found, look in interpolation lines table + if ($bDoInterpolation && $this->iMaxRank >= 28 && $aPlace && $aPlace['rank_search'] >= 26) { + // if a house was found, search the interpolation line that is at least as close as the house + $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search, ST_LineLocatePoint(linegeo,'.$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); + + $aAllHouses = chksql($this->oDB->getAll($sSQL)); + foreach ($aAllHouses as $i) { + echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "
\n"; + } + } + $aPlaceLine = chksql( + $this->oDB->getRow($sSQL), + "Could not determine closest housenumber on an osm interpolation line." + ); + 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 = chksql( + $this->oDB->getRow($sSQL), + "Could not determine distance between searched point and placex house." + ); + $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 = chksql( + $this->oDB->getRow($sSQL), + "Could not determine distance between searched point and interpolated house." + ); + $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']; + $iMaxRank = 30; + } + // 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']; + $iMaxRank = 30; + } + } + } + + // Only street found? If it's in the US we can check TIGER data for nearest housenumber + if (CONST_Use_US_Tiger_Data && $bDoInterpolation && $bIsInUnitedStates && $this->iMaxRank >= 28 && $iPlaceID && ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27 )) { + $fSearchDiam = 0.001; + $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search, ST_LineLocatePoint(linegeo,'.$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.', linegeo, '.$fSearchDiam.')'; //no centroid anymore in Tiger data, now we have lines + $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', linegeo) ASC limit 1'; + + if (CONST_Debug) { + $sSQL = preg_replace('/limit 1/', 'limit 100', $sSQL); + var_dump($sSQL); + + $aAllHouses = chksql($this->oDB->getAll($sSQL)); + foreach ($aAllHouses as $i) { + echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "
\n"; + } + } + + $aPlaceTiger = chksql( + $this->oDB->getRow($sSQL), + "Could not determine closest Tiger place." + ); + if ($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 + $fFraction = $aPlaceTiger['fraction']; + $iMaxRank = 30; + } + } + + // The point we found might be too small - use the address to find what it is a child of + if ($iPlaceID && $iMaxRank < 28) { + if (($aPlace['rank_search'] > 28 || $bPlaceIsTiger || $bPlaceIsLine) && $iParentPlaceID) { + $iPlaceID = $iParentPlaceID; + } + $sSQL = 'select address_place_id'; + $sSQL .= ' FROM place_addressline'; + $sSQL .= " WHERE place_id = $iPlaceID"; + $sSQL .= " ORDER BY abs(cached_rank_address - $iMaxRank) asc,cached_rank_address desc,isaddress desc,distance desc"; + $sSQL .= ' LIMIT 1'; + $iPlaceID = chksql($this->oDB->getOne($sSQL), "Could not get parent for place."); + if (!$iPlaceID) { + $iPlaceID = $aPlace['place_id']; + } + } + return array( + 'place_id' => $iPlaceID, + 'type' => $bPlaceIsTiger ? 'tiger' : ($bPlaceIsLine ? 'interpolation' : 'osm'), + 'fraction' => ($bPlaceIsTiger || $bPlaceIsLine) ? $fFraction : -1 + ); + } +}