<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category  Zend

 * @package   Zend_Measure

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 * @version   $Id: Angle.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * Implement needed classes

 */

require_once 'Zend/Measure/Abstract.php';

require_once 'Zend/Locale.php';

/**

 * Class for handling angle conversions

 *

 * @category   Zend

 * @package    Zend_Measure

 * @subpackage Zend_Measure_Angle

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Measure_Angle extends Zend_Measure_Abstract

{

    const STANDARD = 'RADIAN';

    const RADIAN      = 'RADIAN';

    const MIL         = 'MIL';

    const GRAD        = 'GRAD';

    const DEGREE      = 'DEGREE';

    const MINUTE      = 'MINUTE';

    const SECOND      = 'SECOND';

    const POINT       = 'POINT';

    const CIRCLE_16   = 'CIRCLE_16';

    const CIRCLE_10   = 'CIRCLE_10';

    const CIRCLE_8    = 'CIRCLE_8';

    const CIRCLE_6    = 'CIRCLE_6';

    const CIRCLE_4    = 'CIRCLE_4';

    const CIRCLE_2    = 'CIRCLE_2';

    const FULL_CIRCLE = 'FULL_CIRCLE';

    /**

     * Calculations for all angle units

     *

     * @var array

     */

    protected $_units = array(

        'RADIAN'      => array('1','rad'),

        'MIL'         => array(array('' => M_PI,'/' => '3200'),   'mil'),

        'GRAD'        => array(array('' => M_PI,'/' => '200'),    'gr'),

        'DEGREE'      => array(array('' => M_PI,'/' => '180'),    '°'),

        'MINUTE'      => array(array('' => M_PI,'/' => '10800'),  "'"),

        'SECOND'      => array(array('' => M_PI,'/' => '648000'), '"'),

        'POINT'       => array(array('' => M_PI,'/' => '16'),     'pt'),

        'CIRCLE_16'   => array(array('' => M_PI,'/' => '8'),      'per 16 circle'),

        'CIRCLE_10'   => array(array('' => M_PI,'/' => '5'),      'per 10 circle'),

        'CIRCLE_8'    => array(array('' => M_PI,'/' => '4'),      'per 8 circle'),

        'CIRCLE_6'    => array(array('' => M_PI,'/' => '3'),      'per 6 circle'),

        'CIRCLE_4'    => array(array('' => M_PI,'/' => '2'),      'per 4 circle'),

        'CIRCLE_2'    => array(M_PI,                            'per 2 circle'),

        'FULL_CIRCLE' => array(array('' => M_PI,'*' => '2'),      'cir'),

        'STANDARD'    => 'RADIAN'

    );

}