<?php
+namespace Nominatim;
+
class ReverseGeocode
{
protected $oDB;
protected $iMaxRank = 28;
- function ReverseGeocode(&$oDB)
+
+ public function __construct(&$oDB)
{
$this->oDB =& $oDB;
}
- function setZoom($iZoom)
+
+ 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
- );
+ 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;
}
- // returns { place_id =>, type => '(osm|tiger)' }
- // fails if no place was found
- function lookup($fLat, $fLon, $bDoInterpolation = true)
+
+ /* lookup()
+ * returns { place_id =>, type => '(osm|tiger)' }
+ * fails if no place was found
+ */
+
+
+ public function lookup($fLat, $fLon, $bDoInterpolation = true)
{
$sPointSQL = 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)';
$iMaxRank = $this->iMaxRank;
$sSQL .= ' OR ST_DWithin('.$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.");
+ $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';
+ $sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search, ST_LineLocatePoint(linegeo,'.$sPointSQL.') as fraction';
$sSQL .= ' FROM location_property_osmline';
$sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', linegeo, '.$fSearchDiam.')';
$sSQL .= ' and indexed_status = 0 ';
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.");
+ $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 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.");
+ $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.");
+ $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
// 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';
+ $sSQL = 'SELECT place_id,parent_place_id,30 as rank_search, ST_LineLocatePoint(linegeo,'.$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
}
}
- $aPlaceTiger = chksql($this->oDB->getRow($sSQL),
- "Could not determine closest Tiger place.");
+ $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;
$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.");
+ $iPlaceID = chksql($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);
+ return array(
+ 'place_id' => $iPlaceID,
+ 'type' => $bPlaceIsTiger ? 'tiger' : ($bPlaceIsLine ? 'interpolation' : 'osm'),
+ 'fraction' => ($bPlaceIsTiger || $bPlaceIsLine) ? $fFraction : -1
+ );
}
-
}
projects / nominatim.git / blobdiff