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1085 jpm 1
<?php
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// declare(encoding='UTF-8');
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// Inclusion des dépendances à Proj4Php.
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require 'vendor/autoload.php';
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/**
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 * Transforme les coordonnées X et y d'un point en fonction d'un EPSG source (epsg-src) et d'un EPSG de
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 * destination (epsg-dest).
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 *
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 * Exemples d'EPSG fonctionnels :
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 * - Lambert 93 : EPSG:2154
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 * - WGS84 : EPSG:4326
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 *
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 * @category   eFlore
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 * @package    Services
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 * @subpackage Coord-transfo
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 * @version    0.1
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 * @author     Mathias CHOUET <mathias@tela-botanica.org>
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 * @author     Jean-Pascal MILCENT <jpm@tela-botanica.org>
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 * @author     Aurelien PERONNET <aurelien@tela-botanica.org>
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 * @license    GPL v3 <http://www.gnu.org/licenses/gpl.txt>
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 * @license    CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
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 * @copyright  1999-2014 Tela Botanica <accueil@tela-botanica.org>
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 */
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class Point {
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	private $parametres = array();
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	private $ressources = array();
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	private $coordonnees = array();
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	public function consulter($ressources, $parametres) {
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		$this->ressources = $ressources;
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		$this->parametres = $parametres;
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		$retour = null;
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		try {
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			$this->transformerCoordonnees();
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			$retour = $this->coordonnees;
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		} catch (Exception $erreur) {
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			$retour = $erreur->getMessage();
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		}
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		return $retour;
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	}
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	private function transformerCoordonnees() {
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		$proj4 = new Proj4php();
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		$projSource = new Proj4phpProj('EPSG:'.$this->parametres['epsg-src'], $proj4);
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		$projDestination = new Proj4phpProj('EPSG:'.$this->parametres['epsg-dest'], $proj4);
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		$pointSrc = new proj4phpPoint($this->parametres['x'], $this->parametres['y']);
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		$pointDest = $proj4->transform($projSource, $projDestination, $pointSrc);
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		$this->coordonnees['x'] = round($pointDest->x, 5);
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		$this->coordonnees['y'] = round($pointDest->y, 5);
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		$this->coordonnees['EPSG'] = $this->parametres['epsg-dest'];
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	}
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}