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<?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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Pressure.php 16220 2009-06-21 19:49:21Z thomas $
*/
/**
* Implement needed classes
*/
require_once 'Zend/Measure/Abstract.php';
require_once 'Zend/Locale.php';
/**
* Class for handling pressure conversions
*
* @category Zend
* @package Zend_Measure
* @subpackage Zend_Measure_Pressure
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Measure_Pressure extends Zend_Measure_Abstract
{
const STANDARD = 'NEWTON_PER_SQUARE_METER';
const ATMOSPHERE = 'ATMOSPHERE';
const ATMOSPHERE_TECHNICAL = 'ATMOSPHERE_TECHNICAL';
const ATTOBAR = 'ATTOBAR';
const ATTOPASCAL = 'ATTOPASCAL';
const BAR = 'BAR';
const BARAD = 'BARAD';
const BARYE = 'BARYE';
const CENTIBAR = 'CENTIBAR';
const CENTIHG = 'CENTIHG';
const CENTIMETER_MERCURY_0C = 'CENTIMETER_MERCURY_0C';
const CENTIMETER_WATER_4C = 'CENTIMETER_WATER_4C';
const CENTIPASCAL = 'CENTIPASCAL';
const CENTITORR = 'CENTITORR';
const DECIBAR = 'DECIBAR';
const DECIPASCAL = 'DECIPASCAL';
const DECITORR = 'DECITORR';
const DEKABAR = 'DEKABAR';
const DEKAPASCAL = 'DEKAPASCAL';
const DYNE_PER_SQUARE_CENTIMETER = 'DYNE_PER_SQUARE_CENTIMETER';
const EXABAR = 'EXABAR';
const EXAPASCAL = 'EXAPASCAL';
const FEMTOBAR = 'FEMTOBAR';
const FEMTOPASCAL = 'FEMTOPASCAL';
const FOOT_AIR_0C = 'FOOT_AIR_0C';
const FOOT_AIR_15C = 'FOOT_AIR_15C';
const FOOT_HEAD = 'FOOT_HEAD';
const FOOT_MERCURY_0C = 'FOOT_MERCURY_0C';
const FOOT_WATER_4C = 'FOOT_WATER_4C';
const GIGABAR = 'GIGABAR';
const GIGAPASCAL = 'GIGAPASCAL';
const GRAM_FORCE_SQUARE_CENTIMETER = 'GRAM_FORCE_SQUARE_CENTIMETER';
const HECTOBAR = 'HECTOBAR';
const HECTOPASCAL = 'HECTOPASCAL';
const INCH_AIR_0C = 'INCH_AIR_0C';
const INCH_AIR_15C = 'INCH_AIR_15C';
const INCH_MERCURY_0C = 'INCH_MERCURY_0C';
const INCH_WATER_4C = 'INCH_WATER_4C';
const KILOBAR = 'KILOBAR';
const KILOGRAM_FORCE_PER_SQUARE_CENTIMETER = 'KILOGRAM_FORCE_PER_SQUARE_CENTIMETER';
const KILOGRAM_FORCE_PER_SQUARE_METER = 'KILOGRAM_FORCE_PER_SQUARE_METER';
const KILOGRAM_FORCE_PER_SQUARE_MILLIMETER = 'KILOGRAM_FORCE_PER_SQUARE_MILLIMETER';
const KILONEWTON_PER_SQUARE_METER = 'KILONEWTON_PER_SQUARE_METER';
const KILOPASCAL = 'KILOPASCAL';
const KILOPOND_PER_SQUARE_CENTIMETER = 'KILOPOND_PER_SQUARE_CENTIMETER';
const KILOPOND_PER_SQUARE_METER = 'KILOPOND_PER_SQUARE_METER';
const KILOPOND_PER_SQUARE_MILLIMETER = 'KILOPOND_PER_SQUARE_MILLIMETER';
const KIP_PER_SQUARE_FOOT = 'KIP_PER_SQUARE_FOOT';
const KIP_PER_SQUARE_INCH = 'KIP_PER_SQUARE_INCH';
const MEGABAR = 'MEGABAR';
const MEGANEWTON_PER_SQUARE_METER = 'MEGANEWTON_PER_SQUARE_METER';
const MEGAPASCAL = 'MEGAPASCAL';
const METER_AIR_0C = 'METER_AIR_0C';
const METER_AIR_15C = 'METER_AIR_15C';
const METER_HEAD = 'METER_HEAD';
const MICROBAR = 'MICROBAR';
const MICROMETER_MERCURY_0C = 'MICROMETER_MERCURY_0C';
const MICROMETER_WATER_4C = 'MICROMETER_WATER_4C';
const MICRON_MERCURY_0C = 'MICRON_MERCURY_0C';
const MICROPASCAL = 'MICROPASCAL';
const MILLIBAR = 'MILLIBAR';
const MILLIHG = 'MILLIHG';
const MILLIMETER_MERCURY_0C = 'MILLIMETER_MERCURY_0C';
const MILLIMETER_WATER_4C = 'MILLIMETER_WATER_4C';
const MILLIPASCAL = 'MILLIPASCAL';
const MILLITORR = 'MILLITORR';
const NANOBAR = 'NANOBAR';
const NANOPASCAL = 'NANOPASCAL';
const NEWTON_PER_SQUARE_METER = 'NEWTON_PER_SQUARE_METER';
const NEWTON_PER_SQUARE_MILLIMETER = 'NEWTON_PER_SQUARE_MILLIMETER';
const OUNCE_PER_SQUARE_INCH = 'OUNCE_PER_SQUARE_INCH';
const PASCAL = 'PASCAL';
const PETABAR = 'PETABAR';
const PETAPASCAL = 'PETAPASCAL';
const PICOBAR = 'PICOBAR';
const PICOPASCAL = 'PICOPASCAL';
const PIEZE = 'PIEZE';
const POUND_PER_SQUARE_FOOT = 'POUND_PER_SQUARE_FOOT';
const POUND_PER_SQUARE_INCH = 'POUND_PER_SQUARE_INCH';
const POUNDAL_PER_SQUARE_FOOT = 'POUNDAL_PER_SQUARE_FOOT';
const STHENE_PER_SQUARE_METER = 'STHENE_PER_SQUARE_METER';
const TECHNICAL_ATMOSPHERE = 'TECHNICAL_ATMOSPHERE';
const TERABAR = 'TERABAR';
const TERAPASCAL = 'TERAPASCAL';
const TON_PER_SQUARE_FOOT = 'TON_PER_SQUARE_FOOT';
const TON_PER_SQUARE_FOOT_SHORT = 'TON_PER_SQUARE_FOOT_SHORT';
const TON_PER_SQUARE_INCH = 'TON_PER_SQUARE_INCH';
const TON_PER_SQUARE_INCH_SHORT = 'TON_PER_SQUARE_INCH_SHORT';
const TON_PER_SQUARE_METER = 'TON_PER_SQUARE_METER';
const TORR = 'TORR';
const WATER_COLUMN_CENTIMETER = 'WATER_COLUMN_CENTIMETER';
const WATER_COLUMN_INCH = 'WATER_COLUMN_INCH';
const WATER_COLUMN_MILLIMETER = 'WATER_COLUMN_MILLIMETER';
const YOCTOBAR = 'YOCTOBAR';
const YOCTOPASCAL = 'YOCTOPASCAL';
const YOTTABAR = 'YOTTABAR';
const YOTTAPASCAL = 'YOTTAPASCAL';
const ZEPTOBAR = 'ZEPTOBAR';
const ZEPTOPASCAL = 'ZEPTOPASCAL';
const ZETTABAR = 'ZETTABAR';
const ZETTAPASCAL = 'ZETTAPASCAL';
/**
* Calculations for all pressure units
*
* @var array
*/
protected $_units = array(
'ATMOSPHERE' => array('101325.01', 'atm'),
'ATMOSPHERE_TECHNICAL' => array('98066.5', 'atm'),
'ATTOBAR' => array('1.0e-13', 'ab'),
'ATTOPASCAL' => array('1.0e-18', 'aPa'),
'BAR' => array('100000', 'b'),
'BARAD' => array('0.1', 'barad'),
'BARYE' => array('0.1', 'ba'),
'CENTIBAR' => array('1000', 'cb'),
'CENTIHG' => array('1333.2239', 'cHg'),
'CENTIMETER_MERCURY_0C' => array('1333.2239', 'cm mercury (0°C)'),
'CENTIMETER_WATER_4C' => array('98.0665', 'cm water (4°C)'),
'CENTIPASCAL' => array('0.01', 'cPa'),
'CENTITORR' => array('1.3332237', 'cTorr'),
'DECIBAR' => array('10000', 'db'),
'DECIPASCAL' => array('0.1', 'dPa'),
'DECITORR' => array('13.332237', 'dTorr'),
'DEKABAR' => array('1000000', 'dab'),
'DEKAPASCAL' => array('10', 'daPa'),
'DYNE_PER_SQUARE_CENTIMETER' => array('0.1', 'dyn/cm²'),
'EXABAR' => array('1.0e+23', 'Eb'),
'EXAPASCAL' => array('1.0e+18', 'EPa'),
'FEMTOBAR' => array('1.0e-10', 'fb'),
'FEMTOPASCAL' => array('1.0e-15', 'fPa'),
'FOOT_AIR_0C' => array('3.8640888', 'ft air (0°C)'),
'FOOT_AIR_15C' => array('3.6622931', 'ft air (15°C)'),
'FOOT_HEAD' => array('2989.0669', 'ft head'),
'FOOT_MERCURY_0C' => array('40636.664', 'ft mercury (0°C)'),
'FOOT_WATER_4C' => array('2989.0669', 'ft water (4°C)'),
'GIGABAR' => array('1.0e+14', 'Gb'),
'GIGAPASCAL' => array('1.0e+9', 'GPa'),
'GRAM_FORCE_SQUARE_CENTIMETER' => array('98.0665', 'gf'),
'HECTOBAR' => array('1.0e+7', 'hb'),
'HECTOPASCAL' => array('100', 'hPa'),
'INCH_AIR_0C' => array(array('' => '3.8640888', '/' => '12'), 'in air (0°C)'),
'INCH_AIR_15C' => array(array('' => '3.6622931', '/' => '12'), 'in air (15°C)'),
'INCH_MERCURY_0C' => array(array('' => '40636.664', '/' => '12'), 'in mercury (0°C)'),
'INCH_WATER_4C' => array(array('' => '2989.0669', '/' => '12'), 'in water (4°C)'),
'KILOBAR' => array('1.0e+8', 'kb'),
'KILOGRAM_FORCE_PER_SQUARE_CENTIMETER' => array('98066.5', 'kgf/cm²'),
'KILOGRAM_FORCE_PER_SQUARE_METER' => array('9.80665', 'kgf/m²'),
'KILOGRAM_FORCE_PER_SQUARE_MILLIMETER' => array('9806650', 'kgf/mm²'),
'KILONEWTON_PER_SQUARE_METER' => array('1000', 'kN/m²'),
'KILOPASCAL' => array('1000', 'kPa'),
'KILOPOND_PER_SQUARE_CENTIMETER' => array('98066.5', 'kp/cm²'),
'KILOPOND_PER_SQUARE_METER' => array('9.80665', 'kp/m²'),
'KILOPOND_PER_SQUARE_MILLIMETER' => array('9806650', 'kp/mm²'),
'KIP_PER_SQUARE_FOOT' => array(array('' => '430.92233', '/' => '0.009'), 'kip/ft²'),
'KIP_PER_SQUARE_INCH' => array(array('' => '62052.81552', '/' => '0.009'), 'kip/in²'),
'MEGABAR' => array('1.0e+11', 'Mb'),
'MEGANEWTON_PER_SQUARE_METER' => array('1000000', 'MN/m²'),
'MEGAPASCAL' => array('1000000', 'MPa'),
'METER_AIR_0C' => array('12.677457', 'm air (0°C)'),
'METER_AIR_15C' => array('12.015397', 'm air (15°C)'),
'METER_HEAD' => array('9804.139432', 'm head'),
'MICROBAR' => array('0.1', 'µb'),
'MICROMETER_MERCURY_0C' => array('0.13332239', 'µm mercury (0°C)'),
'MICROMETER_WATER_4C' => array('0.00980665', 'µm water (4°C)'),
'MICRON_MERCURY_0C' => array('0.13332239', 'µ mercury (0°C)'),
'MICROPASCAL' => array('0.000001', 'µPa'),
'MILLIBAR' => array('100', 'mb'),
'MILLIHG' => array('133.32239', 'mHg'),
'MILLIMETER_MERCURY_0C' => array('133.32239', 'mm mercury (0°C)'),
'MILLIMETER_WATER_4C' => array('9.80665', 'mm water (0°C)'),
'MILLIPASCAL' => array('0.001', 'mPa'),
'MILLITORR' => array('0.13332237', 'mTorr'),
'NANOBAR' => array('0.0001', 'nb'),
'NANOPASCAL' => array('1.0e-9', 'nPa'),
'NEWTON_PER_SQUARE_METER' => array('1', 'N/m²'),
'NEWTON_PER_SQUARE_MILLIMETER' => array('1000000', 'N/mm²'),
'OUNCE_PER_SQUARE_INCH' => array('430.92233', 'oz/in²'),
'PASCAL' => array('1', 'Pa'),
'PETABAR' => array('1.0e+20', 'Pb'),
'PETAPASCAL' => array('1.0e+15', 'PPa'),
'PICOBAR' => array('0.0000001', 'pb'),
'PICOPASCAL' => array('1.0e-12', 'pPa'),
'PIEZE' => array('1000', 'pz'),
'POUND_PER_SQUARE_FOOT' => array(array('' => '430.92233', '/' => '9'), 'lb/ft²'),
'POUND_PER_SQUARE_INCH' => array('6894.75728', 'lb/in²'),
'POUNDAL_PER_SQUARE_FOOT' => array('1.4881639', 'pdl/ft²'),
'STHENE_PER_SQUARE_METER' => array('1000', 'sn/m²'),
'TECHNICAL_ATMOSPHERE' => array('98066.5', 'at'),
'TERABAR' => array('1.0e+17', 'Tb'),
'TERAPASCAL' => array('1.0e+12', 'TPa'),
'TON_PER_SQUARE_FOOT' => array(array('' => '120658.2524', '/' => '1.125'), 't/ft²'),
'TON_PER_SQUARE_FOOT_SHORT' => array(array('' => '430.92233', '/' => '0.0045'), 't/ft²'),
'TON_PER_SQUARE_INCH' => array(array('' => '17374788.3456', '/' => '1.125'), 't/in²'),
'TON_PER_SQUARE_INCH_SHORT' => array(array('' => '62052.81552', '/' => '0.0045'), 't/in²'),
'TON_PER_SQUARE_METER' => array('9806.65', 't/m²'),
'TORR' => array('133.32237', 'Torr'),
'WATER_COLUMN_CENTIMETER' => array('98.0665', 'WC (cm)'),
'WATER_COLUMN_INCH' => array(array('' => '2989.0669', '/' => '12'), 'WC (in)'),
'WATER_COLUMN_MILLIMETER' => array('9.80665', 'WC (mm)'),
'YOCTOBAR' => array('1.0e-19', 'yb'),
'YOCTOPASCAL' => array('1.0e-24', 'yPa'),
'YOTTABAR' => array('1.0e+29', 'Yb'),
'YOTTAPASCAL' => array('1.0e+24', 'YPa'),
'ZEPTOBAR' => array('1.0e-16', 'zb'),
'ZEPTOPASCAL' => array('1.0e-21', 'zPa'),
'ZETTABAR' => array('1.0e+26', 'Zb'),
'ZETTAPASCAL' => array('1.0e+21', 'ZPa'),
'STANDARD' => 'NEWTON_PER_SQUARE_METER'
);
}
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