X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/41fce277cd75f866365d4fc64fdbd16fa10e25ac..c2629bc08d081262a7fd1cbd9d52acb5f44bd8ec:/lib/NearPoint.php diff --git a/lib/NearPoint.php b/lib/NearPoint.php index 836e017c..30845b76 100644 --- a/lib/NearPoint.php +++ b/lib/NearPoint.php @@ -13,6 +13,7 @@ class NearPoint private $sSQL; + public function __construct($lat, $lon, $radius = 0.1) { $this->fLat = (float)$lat; @@ -21,19 +22,35 @@ class NearPoint $this->sSQL = 'ST_SetSRID(ST_Point('.$this->fLon.','.$this->fLat.'),4326)'; } - public function lat() { return $this->fLat; } + public function lat() + { + return $this->fLat; + } - public function lon() { return $this->fLon; } + public function lon() + { + return $this->fLon; + } - public function radius() { return $this->fRadius; } + public function radius() + { + return $this->fRadius; + } public function distanceSQL($sObj) { return 'ST_Distance('.$this->sSQL.", $sObj)"; } + public function withinSQL($sObj) + { + return sprintf('ST_DWithin(%s, %s, %F)', $sObj, $this->sSQL, $this->fRadius); + } + /** * Check that the coordinates are valid WSG84 coordinates. + * + * @return bool True if the coordinates are correctly bounded. */ public function isValid() { @@ -48,6 +65,12 @@ class NearPoint * * If a coordinate is found an array of a new NearPoint and the * remaining query is returned or false otherwise. + * + * @param string $sQuery Query to scan. + * + * @return array|false If a coordinate was found, an array with + * `pt` as the NearPoint coordinates and `query` + * with the remaining query string. False otherwiese. */ public static function extractFromQuery($sQuery) { @@ -58,8 +81,8 @@ class NearPoint $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 + if (preg_match('/\\s*([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*\\s*/', $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′ @@ -67,8 +90,8 @@ class NearPoint $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 + } elseif (preg_match('/\\s*([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\s*/', $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 @@ -76,8 +99,8 @@ class NearPoint $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 + } elseif (preg_match('/\\s*([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\s*/', $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″ @@ -85,8 +108,8 @@ class NearPoint $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 + } elseif (preg_match('/\\s*([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([EW])\\s*/', $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 @@ -94,42 +117,42 @@ class NearPoint $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 + } elseif (preg_match('/\\s*([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\s*/', $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 + } elseif (preg_match('/\\s*([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\s*/', $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, $aData)) { - /* 1 2 3 4 + } elseif (preg_match('/(\\s*\\[|^\\s*|\\s*)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]\\s*|\\s*$|\\s*)/', $sQuery, $aData)) { + /* 1 2 3 4 * degrees decimal * 12.34, 56.78 + * 12.34 56.78 * [12.456,-78.90] */ $sFound = $aData[0]; $fQueryLat = $aData[2]; $fQueryLon = $aData[3]; } else { - return False; + return false; } $oPt = new NearPoint($fQueryLat, $fQueryLon); - if (!$oPt->isValid()) return False; + if (!$oPt->isValid()) return false; $sQuery = trim(str_replace($sFound, ' ', $sQuery)); return array('pt' => $oPt, 'query' => $sQuery); } - }