X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/b67b60f7d9cc7dfa6a079ef3c4496f7bc9c22f24..1e60e5426317c52d1b0ac8bb9eb229e1c3c8f9d7:/lib/lib.php diff --git a/lib/lib.php b/lib/lib.php index 1a320a18..d8ff2f64 100644 --- a/lib/lib.php +++ b/lib/lib.php @@ -1,9 +1,34 @@

Internal Server Error

"; + echo '

Nominatim has encountered an internal error while processing your request. This is most likely because of a bug in the software.

'; + echo "

Details: ".$sError,"

"; + echo '

Feel free to report the bug in the OSM bug database. Please include the error message above an the URL you used.

'; + if (CONST_Debug) + { + echo "

Debugging Information


"; + if ($sSQL) { + echo "

SQL query

".$sSQL.""; + } + if ($vDumpVar) { + echo "

Result

"; + var_dump($vDumpVar); + echo ""; + } + } + echo "\n\n"; + exit; + + } + function fail($sError, $sUserError = false) { if (!$sUserError) $sUserError = $sError; - log('ERROR:'.$sError); + error_log('ERROR: '.$sError); echo $sUserError."\n"; exit; } @@ -179,6 +204,10 @@ return array(array('lat' => $aNearPostcodes[0]['lat'], 'lon' => $aNearPostcodes[0]['lon'], 'radius' => 0.005)); } + return false; + + /* partial search disabled because it sequentially scans placex + $sSQL = 'select substring(upper(postcode) from \'^[A-Z][A-Z]?[0-9][0-9A-Z]? [0-9]([A-Z][A-Z])$\'),ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from placex where country_code::text = \'gb\'::text AND substring(postcode from \'^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9])[A-Z][A-Z]$\') = \''.$sPostcodeSector.'\' and class=\'place\' and type=\'postcode\' '; $sSQL .= ' union '; $sSQL .= 'select substring(upper(postcode) from \'^[A-Z][A-Z]?[0-9][0-9A-Z]? [0-9]([A-Z][A-Z])$\'),ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from gb_postcode where substring(postcode from \'^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9])[A-Z][A-Z]$\') = \''.$sPostcodeSector.'\''; @@ -217,7 +246,7 @@ return array(array('lat' => $fLat, 'lon' => $fLon, 'radius' => $fRadius)); } return false; - + */ /* $fTotalFac is a suprisingly good indicator of accuracy $iZoom = 18 + round(log($fTotalFac,32)); @@ -568,6 +597,7 @@ 'amenity:shopping' => array('label'=>'Shopping','frequency'=>21,'icon'=>'',), 'natural:scrub' => array('label'=>'Scrub','frequency'=>20,'icon'=>'',), 'natural:fen' => array('label'=>'Fen','frequency'=>20,'icon'=>'',), + 'building:yes' => array('label'=>'Building','frequency'=>200,'icon'=>'',), 'amenity:parking' => array('label'=>'Parking','frequency'=>3157,'icon'=>'',), 'highway:bus_stop' => array('label'=>'Bus Stop','frequency'=>35777,'icon'=>'transport_bus_stop2',), @@ -815,3 +845,102 @@ $aSimilar = $oDB->getAll($sSQL); return $aSimilar; } + + function geocodeReverse($fLat, $fLon, $iZoom=18) + { + $oDB =& getDB(); + + $sPointSQL = "ST_SetSRID(ST_Point($fLon,$fLat),4326)"; + + // 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 + ); + $iMaxRank = isset($aZoomRank[$iZoom])?$aZoomRank[$iZoom]:28; + + // Find the nearest point + $fSearchDiam = 0.0001; + $iPlaceID = null; + $aArea = false; + $fMaxAreaDistance = 1; + while(!$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 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\')'; + $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') '; + $sSQL .= ' OR ST_DWithin('.$sPointSQL.', ST_Centroid(geometry), '.$fSearchDiam.'))'; + $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', geometry) ASC limit 1'; +//var_dump($sSQL); + $aPlace = $oDB->getRow($sSQL); + $iPlaceID = $aPlace['place_id']; + if (PEAR::IsError($iPlaceID)) + { + var_Dump($sSQL, $iPlaceID); + exit; + } + } + + // The point we found might be too small - use the address to find what it is a child of + if ($iPlaceID) + { + $sSQL = "select address_place_id from place_addressline where cached_rank_address <= $iMaxRank and place_id = $iPlaceID order by cached_rank_address desc,isaddress desc,distance desc limit 1"; + $iPlaceID = $oDB->getOne($sSQL); + if (PEAR::IsError($iPlaceID)) + { + var_Dump($sSQL, $iPlaceID); + exit; + } + + if ($iPlaceID && $aPlace['place_id'] && $iMaxRank < 28) + { + $sSQL = "select address_place_id from place_addressline where cached_rank_address <= $iMaxRank and place_id = ".$aPlace['place_id']." order by cached_rank_address desc,isaddress desc,distance desc"; + $iPlaceID = $oDB->getOne($sSQL); + if (PEAR::IsError($iPlaceID)) + { + var_Dump($sSQL, $iPlaceID); + exit; + } + } + if (!$iPlaceID) + { + $iPlaceID = $aPlace['place_id']; + } + } + + return $iPlaceID; + }