<?php
- class ReverseGeocode
- {
- protected $oDB;
- protected $iMaxRank = 28;
- function ReverseGeocode(&$oDB)
- {
- $this->oDB =& $oDB;
- }
+class ReverseGeocode
+{
+ protected $oDB;
+ protected $iMaxRank = 28;
- function setZoom($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 ReverseGeocode(&$oDB)
+ {
+ $this->oDB =& $oDB;
+ }
- // returns { place_id =>, type => '(osm|tiger)' }
- // fails if no place was found
- function lookup($fLat, $fLon, $bDoInterpolation = true)
- {
- $sPointSQL = 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)';
- $iMaxRank = $this->iMaxRank;
+ function setZoom($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;
+ }
- // Find the nearest point
- $fSearchDiam = 0.0004;
- $iPlaceID = null;
- $aArea = false;
- $fMaxAreaDistance = 1;
- $bIsInUnitedStates = false;
- $bPlaceIsTiger = false;
- $bPlaceIsLine = false;
- while(!$iPlaceID && $fSearchDiam < $fMaxAreaDistance)
- {
- $fSearchDiam = $fSearchDiam * 2;
+ // returns { place_id =>, type => '(osm|tiger)' }
+ // fails if no place was found
+ function lookup($fLat, $fLon, $bDoInterpolation = true)
+ {
+ $sPointSQL = 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)';
+ $iMaxRank = $this->iMaxRank;
- // If we have to expand the search area by a large amount then we need a larger feature
- // then there is a limit to how small the feature should be
- if ($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;
+ // 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;
- $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
- $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search, ST_line_locate_point(linegeo,'.$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);
+ // 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;
- $aAllHouses = chksql($this->oDB->getAll($sSQL));
- foreach($aAllHouses as $i)
- {
- echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "<br>\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;
- $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search, ST_line_locate_point(linegeo,'.$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.', linegeo, '.$fSearchDiam.')'; //no centroid anymore in Tiger data, now we have lines
- $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', linegeo) ASC limit 1';
+ $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
+ $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search, ST_line_locate_point(linegeo,'.$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);
- 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']. ' | '. "<br>\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;
+ $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search, ST_line_locate_point(linegeo,'.$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.', linegeo, '.$fSearchDiam.')'; //no centroid anymore in Tiger data, now we have lines
+ $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', linegeo) ASC limit 1';
- $aAllHouses = chksql($this->oDB->getAll($sSQL));
- foreach($aAllHouses as $i)
- {
- echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "<br>\n";
- }
- }
+ if (CONST_Debug)
+ {
+ $sSQL = preg_replace('/limit 1/', 'limit 100', $sSQL);
+ var_dump($sSQL);
- $aPlaceTiger = chksql($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;
- }
- }
+ $aAllHouses = chksql($this->oDB->getAll($sSQL));
+ foreach($aAllHouses as $i)
+ {
+ echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "<br>\n";
+ }
+ }
- // The point we found might be too small - use the address to find what it is a child of
- if ($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);
- }
-
- }
-?>
+ $aPlaceTiger = chksql($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);
+ }
+
+}
projects / nominatim.git / blobdiff