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<?php
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//declare(encoding='UTF-8');
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/**
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* Classe permettant de :
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* - convertir la latitude et longitude en degre, et rajouter l'objet point centroide de la commune.
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* - charger la bdd
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* Exemple de lancement du script : :
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* /opt/lampp/bin/php cli.php lion1906 -a chargerTous
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*
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* @category php 5.2
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* @package eFlore/Scripts
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* @author Mohcen BENMOUNAH <mohcen@tela-botanica.org>
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @copyright Copyright (c) 2011, Tela Botanica (accueil@tela-botanica.org)
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* @license http://www.cecill.info/licences/Licence_CeCILL_V2-fr.txt Licence CECILL
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* @license http://www.gnu.org/licenses/gpl.html Licence GNU-GPL
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* @version $Id$
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*/
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class Lion1906 extends EfloreScript {
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public function executer() {
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try {
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$this->initialiserProjet('lion1906');
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jpm |
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// Lancement de l'action demandée
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$cmd = $this->getParametre('a');
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switch ($cmd) {
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case 'chargerTous' :
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$this->chargerStructureSql();
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$this->chargerMetaDonnees();
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$this->chargerLion1906();
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$this->preparerTable();
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$this->convertirRadianEnDegre();
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break;
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case 'convertir' :
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$this->preparerTable();
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$this->convertirRadianEnDegre();
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break;
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case 'supprimerTous' :
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$this->supprimerTous();
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break;
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default :
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throw new Exception("Erreur : la commande '$cmd' n'existe pas!");
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}
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} catch (Exception $e) {
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$this->traiterErreur($e->getMessage());
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}
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}
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protected function chargerMetaDonnees() {
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$contenuSql = $this->recupererContenu(Config::get('chemins.lion1906Meta'));
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$this->executerScripSql($contenuSql);
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}
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private function chargerLion1906() {
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$chemin = Config::get('chemins.lion1906');
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$table = Config::get('tables.lion1906');
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$requete = "LOAD DATA INFILE '$chemin' ".
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"REPLACE INTO TABLE $table ".
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'CHARACTER SET latin1 '.
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'FIELDS '.
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" TERMINATED BY ';' ".
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" ENCLOSED BY '' ".
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" ESCAPED BY '\\\' ".
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'IGNORE 1 LINES';
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$this->getBdd()->requeter($requete);
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}
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private function convertirRadianEnDegre() {
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$table = Config::get('tables.lion1906');
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$requete = 'SELECT insee, latitude_radian, longitude_radian '.
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"FROM $table ";
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$LatLons = $this->getBdd()->recupererTous($requete);
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foreach ($LatLons as $LatLon) {
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$insee = $LatLon['insee'] ;
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$latitude_degre = $LatLon['latitude_radian'] * 180 / pi();
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$longitude_degre = $LatLon['longitude_radian'] * 180 / pi();
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$latitude_degre = str_replace(',', '.', $latitude_degre);
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$longitude_degre = str_replace(',', '.', $longitude_degre);
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$this->formerPointCentre($latitude_degre, $longitude_degre, $insee);
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$this->afficherAvancement('Analyse des communes Lion1906');
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}
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}
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private function preparerTable() {
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$table = Config::get('tables.lion1906');
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$requete = "ALTER TABLE $table ".
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'DROP latitude_degre, '.
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'DROP longitude_degre, '.
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'DROP centroide, '.
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'DROP INDEX insee ';
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$this->getBdd()->requeter($requete);
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$requete = "ALTER TABLE $table ".
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' ADD latitude_degre double NOT NULL , '.
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' ADD longitude_degre double NOT NULL , '.
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' ADD centroide point NOT NULL ';
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$this->getBdd()->requeter($requete);
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$requete = "ALTER TABLE $table ".
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'ADD INDEX insee (insee, latitude_degre, longitude_degre, centroide) ';
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$this->getBdd()->requeter($requete);
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}
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private function formerPointCentre($latitude_degre, $longitude_degre, $insee) {
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$centre = "$latitude_degre $longitude_degre" ;
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$table = Config::get('tables.lion1906');
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$requete = "UPDATE $table ".
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"SET latitude_degre = '$latitude_degre', longitude_degre = '$longitude_degre', ".
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" centroide = POINTFROMTEXT('POINT($centre)') ".
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"WHERE insee = '$insee' ";
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$this->getBdd()->requeter($requete);
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}
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private function supprimerTous() {
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$requete = "DROP TABLE IF EXISTS lion1906_meta, lion1906_communes_v2008";
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$this->getBdd()->requeter($requete);
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}
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}
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?>
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