namespace Nominatim;
+require_once(CONST_BasePath.'/lib/NearPoint.php');
require_once(CONST_BasePath.'/lib/PlaceLookup.php');
require_once(CONST_BasePath.'/lib/ReverseGeocode.php');
protected $bFallback = false;
protected $aCountryCodes = false;
- protected $aNearPoint = false;
protected $bBoundedSearch = false;
protected $aViewBox = false;
);
}
- public function setNearPoint($aNearPoint, $fRadiusDeg = 0.1)
- {
- $this->aNearPoint = array((float)$aNearPoint[0], (float)$aNearPoint[1], (float)$fRadiusDeg);
- }
-
public function setQuery($sQueryString)
{
$this->sQuery = $sQueryString;
}
// Do we have anything that looks like a lat/lon pair?
- if ($aLooksLike = looksLikeLatLonPair($sQuery)) {
- $this->setNearPoint(array($aLooksLike['lat'], $aLooksLike['lon']));
+ $oNearPoint = false;
+ if ($aLooksLike = NearPoint::extractFromQuery($sQuery)) {
+ $oNearPoint = $aLooksLike['pt'];
$sQuery = $aLooksLike['query'];
}
);
// Do we have a radius search?
- $sNearPointSQL = false;
- if ($this->aNearPoint) {
- $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$this->aNearPoint[1].",".(float)$this->aNearPoint[0]."),4326)";
- $aSearches[0]['fLat'] = (float)$this->aNearPoint[0];
- $aSearches[0]['fLon'] = (float)$this->aNearPoint[1];
- $aSearches[0]['fRadius'] = (float)$this->aNearPoint[2];
+ if ($oNearPoint) {
+ $aSearches[0]['fLat'] = $oNearPoint->lat();
+ $aSearches[0]['fLon'] = $oNearPoint->lon();
+ $aSearches[0]['fRadius'] = $oNearPoint->radius();
}
// Any 'special' terms in the search?
}
if ($bBoundingBoxSearch) $aTerms[] = "centroid && $this->sViewboxSmallSQL";
- if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) ASC";
+ if ($oNearPoint) {
+ $aOrder[] = $oNearPoint->distanceSQL('centroid');
+ }
if ($aSearch['sHouseNumber']) {
$sImportanceSQL = '- abs(26 - address_rank) + 3';
$fRange = 0.05;
$sOrderBySQL = '';
- if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
- elseif ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
- elseif ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
+ if ($oNearPoint) {
+ $sOrderBySQL = $oNearPoint->distanceSQL('l.centroid');
+ } elseif ($sPlaceIDs) {
+ $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
+ } elseif ($sPlaceGeom) {
+ $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
+ }
$sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
$sOrderBySQL = '';
- if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
- else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
+ if ($oNearPoint) {
+ $sOrderBySQL = $oNearPoint->distanceSQL('l.geometry');
+ } else {
+ $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
+ }
$sSQL = "SELECT distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'');
$sSQL .= " FROM placex as l, placex as f ";
$oReverse->setZoom(18);
$aLookup = $oReverse->lookup(
- (float)$this->aNearPoint[0],
- (float)$this->aNearPoint[1],
+ $oNearPoint->lat(),
+ $oNearPoint->lon(),
false
);
--- /dev/null
+<?php
+
+namespace Nominatim;
+
+/**
+ * A geographic point with a search radius.
+ */
+class NearPoint
+{
+ private $fLat;
+ private $fLon;
+ private $fRadius;
+
+ private $sSQL;
+
+ public function __construct($lat, $lon, $radius = 0.1)
+ {
+ $this->fLat = (float)$lat;
+ $this->fLon = (float)$lon;
+ $this->fRadius = (float)$radius;
+ $this->sSQL = 'ST_SetSRID(ST_Point('.$this->fLon.','.$this->fLat.'),4326)';
+ }
+
+ public function lat() { return $this->fLat; }
+
+ public function lon() { return $this->fLon; }
+
+ public function radius() { return $this->fRadius; }
+
+ public function distanceSQL($sObj)
+ {
+ return 'ST_Distance('.$this->sSQL.", $sObj)";
+ }
+
+ /**
+ * Check that the coordinates are valid WSG84 coordinates.
+ */
+ public function isValid()
+ {
+ return ($this->fLat <= 90.1
+ && $this->fLat >= -90.1
+ && $this->fLon <= 180.1
+ && $this->fLon >= -180.1);
+ }
+
+ /**
+ * Extract a coordinate point from a query string.
+ *
+ * If a coordinate is found an array of a new NearPoint and the
+ * remaining query is returned or false otherwise.
+ */
+ public static function extractFromQuery($sQuery)
+ {
+ // Do we have anything that looks like a lat/lon pair?
+ // returns array(lat,lon,query_with_lat_lon_removed)
+ // or null
+ $sFound = null;
+ $fQueryLat = null;
+ $fQueryLon = null;
+
+ if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*?\\b/', $sQuery, $aData)) {
+ /* 1 2 3 4 5 6
+ * degrees decimal minutes
+ * N 40 26.767, W 79 58.933
+ * N 40°26.767′, W 79°58.933′
+ */
+ $sFound = $aData[0];
+ $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
+ $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
+ } elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\b/', $sQuery, $aData)) {
+ /* 1 2 3 4 5 6
+ * degrees decimal minutes
+ * 40 26.767 N, 79 58.933 W
+ * 40° 26.767′ N 79° 58.933′ W
+ */
+ $sFound = $aData[0];
+ $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
+ $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
+ } elseif (preg_match('/\\b([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\b/', $sQuery, $aData)) {
+ /* 1 2 3 4 5 6 7 8
+ * degrees decimal seconds
+ * N 40 26 46 W 79 58 56
+ * N 40° 26′ 46″, W 79° 58′ 56″
+ */
+ $sFound = $aData[0];
+ $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60 + $aData[4]/3600);
+ $fQueryLon = ($aData[5]=='E'?1:-1) * ($aData[6] + $aData[7]/60 + $aData[8]/3600);
+ } elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([EW])\\b/', $sQuery, $aData)) {
+ /* 1 2 3 4 5 6 7 8
+ * degrees decimal seconds
+ * 40 26 46 N 79 58 56 W
+ * 40° 26′ 46″ N, 79° 58′ 56″ W
+ */
+ $sFound = $aData[0];
+ $fQueryLat = ($aData[4]=='N'?1:-1) * ($aData[1] + $aData[2]/60 + $aData[3]/3600);
+ $fQueryLon = ($aData[8]=='E'?1:-1) * ($aData[5] + $aData[6]/60 + $aData[7]/3600);
+ } elseif (preg_match('/\\b([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\b/', $sQuery, $aData)) {
+ /* 1 2 3 4
+ * degrees decimal
+ * N 40.446° W 79.982°
+ */
+ $sFound = $aData[0];
+ $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2]);
+ $fQueryLon = ($aData[3]=='E'?1:-1) * ($aData[4]);
+ } elseif (preg_match('/\\b([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\b/', $sQuery, $aData)) {
+ /* 1 2 3 4
+ * degrees decimal
+ * 40.446° N 79.982° W
+ */
+ $sFound = $aData[0];
+ $fQueryLat = ($aData[2]=='N'?1:-1) * ($aData[1]);
+ $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[3]);
+ } elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]|$|\\b)/', $sQuery, $aData)) {
+ /* 1 2 3 4
+ * degrees decimal
+ * 12.34, 56.78
+ * [12.456,-78.90]
+ */
+ $sFound = $aData[0];
+ $fQueryLat = $aData[2];
+ $fQueryLon = $aData[3];
+ } else {
+ return False;
+ }
+
+ $oPt = new NearPoint($fQueryLat, $fQueryLon);
+
+ if (!$oPt->isValid()) return False;
+
+ $sQuery = trim(str_replace($sFound, ' ', $sQuery));
+
+ return array('pt' => $oPt, 'query' => $sQuery);
+ }
+
+}
return "'".$s."'";
}
-function validLatLon($fLat, $fLon)
-{
- return ($fLat <= 90.1 && $fLat >= -90.1 && $fLon <= 180.1 && $fLon >= -180.1);
-}
-
-function looksLikeLatLonPair($sQuery)
-{
- // Do we have anything that looks like a lat/lon pair?
- // returns array(lat,lon,query_with_lat_lon_removed)
- // or null
- $sFound = null;
- $fQueryLat = null;
- $fQueryLon = null;
-
- if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*?\\b/', $sQuery, $aData)) {
- /* 1 2 3 4 5 6
- * degrees decimal minutes
- * N 40 26.767, W 79 58.933
- * N 40°26.767′, W 79°58.933′
- */
- $sFound = $aData[0];
- $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
- $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
- } elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\b/', $sQuery, $aData)) {
- /* 1 2 3 4 5 6
- * degrees decimal minutes
- * 40 26.767 N, 79 58.933 W
- * 40° 26.767′ N 79° 58.933′ W
- */
- $sFound = $aData[0];
- $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
- $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
- } elseif (preg_match('/\\b([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\b/', $sQuery, $aData)) {
- /* 1 2 3 4 5 6 7 8
- * degrees decimal seconds
- * N 40 26 46 W 79 58 56
- * N 40° 26′ 46″, W 79° 58′ 56″
- */
- $sFound = $aData[0];
- $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60 + $aData[4]/3600);
- $fQueryLon = ($aData[5]=='E'?1:-1) * ($aData[6] + $aData[7]/60 + $aData[8]/3600);
- } elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([EW])\\b/', $sQuery, $aData)) {
- /* 1 2 3 4 5 6 7 8
- * degrees decimal seconds
- * 40 26 46 N 79 58 56 W
- * 40° 26′ 46″ N, 79° 58′ 56″ W
- */
- $sFound = $aData[0];
- $fQueryLat = ($aData[4]=='N'?1:-1) * ($aData[1] + $aData[2]/60 + $aData[3]/3600);
- $fQueryLon = ($aData[8]=='E'?1:-1) * ($aData[5] + $aData[6]/60 + $aData[7]/3600);
- } elseif (preg_match('/\\b([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\b/', $sQuery, $aData)) {
- /* 1 2 3 4
- * degrees decimal
- * N 40.446° W 79.982°
- */
- $sFound = $aData[0];
- $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2]);
- $fQueryLon = ($aData[3]=='E'?1:-1) * ($aData[4]);
- } elseif (preg_match('/\\b([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\b/', $sQuery, $aData)) {
- /* 1 2 3 4
- * degrees decimal
- * 40.446° N 79.982° W
- */
- $sFound = $aData[0];
- $fQueryLat = ($aData[2]=='N'?1:-1) * ($aData[1]);
- $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[3]);
- } elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]|$|\\b)/', $sQuery, $aData)) {
- /* 1 2 3 4
- * degrees decimal
- * 12.34, 56.78
- * [12.456,-78.90]
- */
- $sFound = $aData[0];
- $fQueryLat = $aData[2];
- $fQueryLon = $aData[3];
- }
-
- if (!validLatLon($fQueryLat, $fQueryLon)) return;
- $sQuery = trim(str_replace($sFound, ' ', $sQuery));
-
- return array('lat' => $fQueryLat, 'lon' => $fQueryLon, 'query' => $sQuery);
-}
-
function geometryText2Points($geometry_as_text, $fRadius)
{
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