class ReverseGeocode
{
protected $oDB;
-
- protected $fLat;
- protected $fLon;
protected $iMaxRank = 28;
- protected $aLangPrefOrder = array();
-
function ReverseGeocode(&$oDB)
{
$this->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
$this->iMaxRank = (isset($iZoom) && isset($aZoomRank[$iZoom]))?$aZoomRank[$iZoom]:28;
}
- function lookup()
+ // returns { place_id =>, type => '(osm|tiger)' }
+ // fails if no place was found
+ function lookup($fLat, $fLon, $bDoInterpolation = true)
{
- $sPointSQL = 'ST_SetSRID(ST_Point('.$this->fLon.','.$this->fLat.'),4326)';
+ $sPointSQL = 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)';
$iMaxRank = $this->iMaxRank;
- $iMaxRank_orig = $this->iMaxRank;
// Find the nearest point
$fSearchDiam = 0.0004;
$fMaxAreaDistance = 1;
$bIsInUnitedStates = false;
$bPlaceIsTiger = false;
+ $bPlaceIsLine = false;
while(!$iPlaceID && $fSearchDiam < $fMaxAreaDistance)
{
$fSearchDiam = $fSearchDiam * 2;
if ($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 from placex';
+ $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)';
$sSQL .= ' OR ST_DWithin('.$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);
- }
+ $aPlace = chksql($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);
+ $aAllHouses = chksql($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'];
+ $iMaxRank = 30;
+ }
+ }
+ }
+
// Only street found? If it's in the US we can check TIGER data for nearest housenumber
- if ($bIsInUnitedStates && $iMaxRank_orig >= 28 && $iPlaceID && ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27 ))
+ 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';
$sSQL .= ' AND ST_DWithin('.$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);
- $aAllHouses = $this->oDB->getAll($sSQL);
+ $aAllHouses = chksql($this->oDB->getAll($sSQL));
foreach($aAllHouses as $i)
{
echo $i['housenumber'] . ' | ' . $i['distance'] * 1000 . ' | ' . $i['lat'] . ' | ' . $i['lon']. ' | '. "<br>\n";
}
- }*/
-
- $aPlaceTiger = $this->oDB->getRow($sSQL);
- if (PEAR::IsError($aPlace))
- {
- failInternalError("Could not determine closest Tiger place.", $sSQL, $aPlaceTiger);
}
+
+ $aPlaceTiger = chksql($this->oDB->getRow($sSQL),
+ "Could not determine closest Tiger place.");
if ($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'];
+ $iMaxRank = 30;
}
}
// The point we found might be too small - use the address to find what it is a child of
if ($iPlaceID && $iMaxRank < 28)
{
- if ($aPlace['rank_search'] > 28 && $iParentPlaceID && !$bPlaceIsTiger)
+ if (($aPlace['rank_search'] > 28 || $bPlaceIsTiger || $bPlaceIsLine) && $iParentPlaceID)
{
$iPlaceID = $iParentPlaceID;
}
- $sSQL = "select address_place_id from place_addressline where place_id = $iPlaceID order by abs(cached_rank_address - $iMaxRank) asc,cached_rank_address desc,isaddress desc,distance desc limit 1";
- $iPlaceID = $this->oDB->getOne($sSQL);
- if (PEAR::IsError($iPlaceID))
- {
- failInternalError("Could not get parent for place.", $sSQL, $iPlaceID);
- }
+ $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' : 'osm',
- 'fraction' => $bPlaceIsTiger ? $iFraction : -1 );
+ 'type' => $bPlaceIsTiger ? 'tiger' : ($bPlaceIsLine ? 'interpolation' : 'osm'),
+ 'fraction' => ($bPlaceIsTiger || $bPlaceIsLine) ? $fFraction : -1);
}
+
}
?>
projects / nominatim.git / blobdiff