point3D.php
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point3D.php
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	<?php

	/*
	* Geo point 3D class
	*
	* 0.1 2010-02-23 14:14 DcK
	*
	* @package Zed
	* @subpackage Geo
	* @copyright Copyright (c) 2010, Dereckson
	* @license Released under BSD license
	* @version 0.1
	*
	*/
	class GeoPoint3D implements IteratorAggregate {
	//
	// x, y, z public properties
	//

	/*
	* @var integer the x coordinate
	*/
	public $x;

	/*
	* @var integer the y coordinate
	*/
	public $y;

	/*
	* @var integer the z coordinate
	*/
	public $z;

	//
	// constructor / toString
	//

	/*
	* Initializes a new instance of GeoPoint3D class
	*/
	function __construct ($x, $y, $z) {
	$this->x = $x;
	$this->y = $y;
	$this->z = $z;
	}

	/*
	* Returns a xyz: [x, y, z] string representation of the point coordinates
	*/
	function __toString () {
	return sprintf("xyz: [%d, %d, %d]", $this->x, $this->y, $this->z);
	}

	//
	// Implementing IteratorAggregate
	//

	/*
	* Retrieves class iterator. It traverses x, y and z.
	* @return Traversable the iterator
	*/
	function getIterator () {
	return new ArrayIterator($this);
	}
	}

	?>