WebSVN – eFlore/Applications.cel – Diff – /trunk/jrest/lib/CartoGroupage.php

 <?php
 class CartoGroupage {
 	const MARQUEUR_GROUPE = 'GROUPE';
 	const MARQUEUR_COMMUNE = 'COMMUNE';
 	const MARQUEUR_STATION = 'STATION';
 	private static $seuilClusterisation = 200;
 	private static $zoomDefaut = 3;
 	private static $zoomMaxClustering = 12;
 	private static $pasZoomDefaut = 1;
 	private static $pasZoomMaxClustering = 0.05;
 	private static $profondeurMin = 0;
 	private static $profondeurMax = 8;
 	private static $pasCorrectionCentre = null;
 	private static $coefficientReductionPas = null;
 	private static $coefficientProfondeurMax = null;
 	private static $nbElements = array('stations' => 0,'communes' => 0, 'points' => 0);
 	private static $listeNoeudsSelectionnes = array();
 	private static $bornesMax = array('latMin' => null, 'lngMin' => null, 'latMax' => null, 'lngMax' => null);
 	private static $id_traites = array();
 	/*
 	  +---------+---------+
 	  |         |         |
 	  +---------*---------+
 	  |         |         |
 	  |    D    |    C    |
 	  |         |         |
 	  +---------+---------+
 	  Quatres cadrans sont considérés par le quad tree
 	  * = centre de la fenetre
 	 */
 	public static function creerGroupesQuadtree(&$markers, $neLat, $neLng, $swLat, $swLng, $zoom = 3) {
-		if(count($markers) > self::$seuilClusterisation) {
+		if (count($markers) > self::$seuilClusterisation) {
 			self::calculerProfondeurMax($zoom);
 			self::calculerPasCorrectionCentre($zoom);
 			$noeudRacine = array('nbrePoints' => count($markers), 'points' => $markers);
 			self::attribuerAuCadran($noeudRacine, $neLat, $neLng, $swLat, $swLng);
 		} else {
 			foreach($markers as &$marker) {
 				if(!self::estUnPointAExclure($marker)) {
-					$emplacement = self::formaterPointPourAjout(&$marker);
+					$emplacement = self::formaterPointPourAjout($marker);
-					self::mettreAJourBornes(&$marker);
+					self::mettreAJourBornes($marker);
 					$points = array($marker);
 					$noeudSimple = array('points' => $points, 'nbrePoints' => 1);
 					self::$nbElements[$emplacement]++;
 					self::$listeNoeudsSelectionnes[] = self::ajouterGroupeOuPoint($noeudSimple);
+				}
 				self::$nbElements['points']++;
+			}
+		}
 		return self::$listeNoeudsSelectionnes;
 	}
 	private function calculerCoefficientReductionPas() {
 		if(self::$coefficientReductionPas == null) {
 			self::$coefficientReductionPas = (self::$pasZoomMaxClustering - self::$pasZoomDefaut)/(self::$zoomMaxClustering - self::$zoomDefaut);
 		}
 		return self::$coefficientReductionPas;
 	}
 	private function calculerPasCorrectionCentre($zoom) {
 		self::$pasCorrectionCentre = ($zoom - self::$zoomDefaut) * self::calculerCoefficientReductionPas() + self::$pasZoomDefaut;
 	}
 	private function calculerCoefficientProfondeurMax() {
 		if(self::$coefficientProfondeurMax == null) {
 			self::$coefficientProfondeurMax = (self::$profondeurMax - self::$profondeurMin)/(self::$zoomMaxClustering - self::$zoomDefaut);
 		}
 		return self::$coefficientProfondeurMax;
 	}
 	private function calculerProfondeurMax($zoom) {
 		if($zoom > self::$zoomDefaut) {
 			self::$profondeurMax = round(($zoom - self::$zoomDefaut) * self::calculerCoefficientProfondeurMax() + self::$profondeurMin,0);
 		} else {
 			self::$profondeurMax = 1;
+		}
 	}
 	public static function getNbElements() {
 		return self::$nbElements;
 	}
-	public static function mettreAJourBornes(&$point) {
+	public static function mettreAJourBornes(&$point) {
-		if(!is_numeric($point['lat']) || abs($point['lat']) > 90) return;
+		if (!is_numeric($point['lat']) || abs($point['lat']) > 90) return;
-		if(!is_numeric($point['lng']) || abs($point['lng']) > 180) return;
+		if (!is_numeric($point['lng']) || abs($point['lng']) > 180) return;
 		self::$bornesMax['latMin'] = ($point['lat'] < self::$bornesMax['latMin'] || self::$bornesMax['latMin'] == null) ? $point['lat'] : self::$bornesMax['latMin'] ;
 		self::$bornesMax['lngMin'] = ($point['lng'] < self::$bornesMax['lngMin'] || self::$bornesMax['lngMin'] == null) ? $point['lng'] : self::$bornesMax['lngMin'] ;
 		self::$bornesMax['latMax'] = ($point['lat'] > self::$bornesMax['latMax'] || self::$bornesMax['latMax'] == null) ? $point['lat'] : self::$bornesMax['latMax'] ;
 		self::$bornesMax['lngMax'] = ($point['lng'] > self::$bornesMax['lngMax'] || self::$bornesMax['lngMax'] == null) ? $point['lng'] : self::$bornesMax['lngMax'] ;
 	}
 	public static function getBornes() {
 		return self::$bornesMax;
 	}
 	/**
+	 *
 	 * @param mixed $noeud Le noeud à traiter par le quadtree
 	 * @param float $neLat Latitude du coin nord est de la fenetre
 	 * @param float $neLng Longitude du coin nord est de la fenetre
 	 * @param float $swLat Latitude du coin sud ouest de la fenetre
 	 * @param float $swLng Longitude du coin sud ouest de la fenetre
 	 * @param int $profondeur profondeur courante de l'arbre
 	 */
-	private static function attribuerAuCadran(&$noeud, $neLat, $neLng, $swLat, $swLng, $profondeur = 0) {
 	private static function attribuerAuCadran(&$noeud, $neLat, $neLng, $swLat, $swLng, $profondeur = 0) {
 		$latCentre = round((($neLat+$swLat)/2)/self::$pasCorrectionCentre,0)*self::$pasCorrectionCentre;
 		$lngCentre = round((($neLng+$swLng)/2)/self::$pasCorrectionCentre,0)*self::$pasCorrectionCentre;
 		foreach ($noeud['points'] as &$point) {
 			if(!self::estUnPointAExclure($point)) {
-				$emplacement = self::formaterPointPourAjout(&$point);
+				$emplacement = self::formaterPointPourAjout($point);
-				self::mettreAJourBornes(&$point);
+				self::mettreAJourBornes($point);
 				$cadran = self::obtenirCadranPourPoint($latCentre, $lngCentre, $point);
 				self::ajouterFils($noeud,$cadran,$point);
 				self::$nbElements[$emplacement]++;
+			}
 			self::$nbElements['points']++;
 		}
 		$profondeur++;
 		if($profondeur <= self::$profondeurMax) {
 			(isset($noeud['A']) && $noeud['A'] != null) ? self::attribuerAuCadran($noeud['A'], $neLat, $lngCentre , $latCentre, $swLng, $profondeur) : '';
 			(isset($noeud['B']) && $noeud['B'] != null) ? self::attribuerAuCadran($noeud['B'], $neLat, $neLng, $latCentre, $lngCentre, $profondeur) : '';
 			(isset($noeud['C']) && $noeud['C'] != null) ? self::attribuerAuCadran($noeud['C'], $latCentre, $neLng, $swLat, $lngCentre, $profondeur) : '';
 			(isset($noeud['D']) && $noeud['D'] != null) ? self::attribuerAuCadran($noeud['D'], $latCentre, $lngCentre, $swLat, $swLng, $profondeur) : '';
 		}
 		if(self::estUnParentFeuilles($noeud)) {
 			self::$listeNoeudsSelectionnes[] = self::ajouterGroupeOuPoint($noeud);
+		}
 	}
 	private static function estUnPointAExclure(&$point) {
 		return self::estSensible($point) &&
 		self::coordonneesCommuneSontNulles($point);
 	}
 	private static function coordonneesCommuneSontNulles(&$point) {
 		$coord_nulles = ($point['wgs84_latitude'] == null ||
 		$point['wgs84_latitude'] == '' ||
 		$point['wgs84_longitude'] == null ||
 		$point['wgs84_longitude'] == '');
 		return $coord_nulles;
 	}
-	private static function coordonneesSontNulles(&$point) {
 	private static function coordonneesSontNulles(&$point) {
 		$coord_nulles = ($point['latitude'] == '000null' ||
 				$point['latitude'] == 0 ||
 				$point['latitude'] == '' ||
 				$point['longitude'] == '000null' ||
 				$point['longitude'] == 0 ||
 				$point['longitude'] == '');
 		return $coord_nulles;
 	}
 	private static function estSensible(&$point) {
 		$sensible = isset($point['mots_cles_texte']) && substr_count(strtolower($point['mots_cles_texte']), 'sensible') != 0;
 		return $sensible;
 	}
 	private static function formaterNomStation(&$point, $type_emplacement) {
 		$station = '';
 		if($type_emplacement == 'stations' && $point['station'] != '' && $point['station'] != '000null') {
 			$station = $point['station'];
 		} else {
 			$id_zone_geo = $point['ce_zone_geo'];
 			$station = $point['zone_geo'].(($id_zone_geo != '' && $id_zone_geo != '000null') ? ' ('.self::formaterNomZoneGeo($id_zone_geo).')' : '');
 		}
 		return $station;
 	}
 	private static function formaterNomZoneGeo($zone_geo) {
 		$zone_geo = str_replace('INSEE-C:', '', $zone_geo);
 		$zone_geo = strlen($zone_geo) >= 2 ? substr($zone_geo, 0, 2) : $zone_geo;
 		return $zone_geo;
 	}
-	private static function formaterPointPourAjout(&$point) {
 	private static function formaterPointPourAjout(&$point) {
 		if(isset($point['type_emplacement'])) {
 			return $point['type_emplacement'];
 		}
 		if(self::coordonneesSontNulles($point) || self::estSensible($point)) {
 			$point_allege = array();
 			$point_allege['id'] = self::MARQUEUR_COMMUNE.':'.$point['wgs84_latitude'].'|'.$point['wgs84_longitude'];
 			$point_allege['type_emplacement'] = 'communes';
 			$point_allege['nom'] = self::formaterNomStation($point, 'communes');
 			$point_allege['lat'] = (float)$point['wgs84_latitude'];
 			$point_allege['lng'] = (float)$point['wgs84_longitude'];
 			$point = $point_allege;
 		} else {
 			$point_allege = array();
 			$point_allege['id'] = self::MARQUEUR_STATION.':'.$point['latitude'].'|'.$point['longitude'];
 			$point_allege['type_emplacement'] = 'stations';
 			$point_allege['nom'] = self::formaterNomStation($point, 'stations');
 			$point_allege['lat'] = (float)$point['latitude'];
 			$point_allege['lng'] = (float)$point['longitude'];
 			$point = $point_allege;
 		}
 		return $point['type_emplacement'];
 	}
 	private function obtenirCadranPourPoint($latCentre,$lngCentre, &$point) {
 		if ($point['lng'] < $lngCentre) {
 			if ($point['lat'] > $latCentre) {
 					$cadran = 'A';
 			if ($point['lat'] > $latCentre) {
 				$cadran = 'B';
 			} else {
 				$cadran = 'C';
+			}
 		}
 		return $cadran;
+	}
 	private static function ajouterFils(&$noeud, $cadran, &$point) {
 		if(!isset($noeud[$cadran])) {
 			$noeud[$cadran] = array('points' => array(),'nbrePoints' => 0, 'latMoyenne' => 0, 'lngMoyenne' => 0);
 		}
 		$noeud[$cadran]['points'][] = $point;
 		$noeud[$cadran]['nbrePoints']++;
 		$noeud[$cadran]['latMoyenne'] += $point['lat'];
 		$noeud[$cadran]['lngMoyenne'] += $point['lng'];
+	}
 	private static function ajouterGroupeOuPoint(&$noeud) {
 		$groupe = array();
 		if ($noeud['nbrePoints'] > 1 && isset($noeud['latMoyenne']) && isset($noeud['lngMoyenne'])) {
 			$groupe['lat'] = $noeud['latMoyenne']/$noeud['nbrePoints'];
 			$groupe['lng'] = $noeud['lngMoyenne']/$noeud['nbrePoints'];
 		} else {
 			$groupe = $noeud['points'][0];
+		}
 		return $groupe;
+	}
 	private static function estUnParentFeuilles(&$noeud) {
 		return  self::estUneFeuille($noeud['A']) &&
 				self::estUneFeuille($noeud['B']) &&
 				self::estUneFeuille($noeud['C']) &&
 				self::estUneFeuille($noeud['D']);
+	}
 	private static function estUneFeuille(&$noeud) {
 		return $noeud == null ||
 		(!isset($noeud['A']) || $noeud['A'] == null) &&
 		(!isset($noeud['B']) || $noeud['B'] == null) &&
 		(!isset($noeud['C']) || $noeud['C'] == null) &&
 		(!isset($noeud['D']) || $noeud['D'] == null);
+	}
+}
 ?>

Subversion Repositories eFlore/Applications.cel

(root)/trunk/jrest/lib/CartoGroupage.php @ 2027 – Rev 1483 → 1585