PressureUnit.java
package org.djunits.unit;
import static org.djunits.unit.unitsystem.UnitSystem.CGS;
import static org.djunits.unit.unitsystem.UnitSystem.IMPERIAL;
import static org.djunits.unit.unitsystem.UnitSystem.MTS;
import static org.djunits.unit.unitsystem.UnitSystem.OTHER;
import static org.djunits.unit.unitsystem.UnitSystem.SI_DERIVED;
import org.djunits.unit.unitsystem.UnitSystem;
/**
* The units of pressure.
* <p>
* Copyright (c) 2015-2016 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="http://djunits.org/docs/license.html">DJUNITS License</a>.
* <p>
* $LastChangedDate: 2016-05-28 14:25:52 +0200 (Sat, 28 May 2016) $, @version $Revision: 202 $, by $Author: averbraeck $,
* initial version May 15, 2014 <br>
* @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
*/
public class PressureUnit extends LinearUnit<PressureUnit>
{
/** */
private static final long serialVersionUID = 20140607L;
/** the unit of mass for the pressure unit, e.g., kilogram. */
private final MassUnit massUnit;
/** the unit of length for the pressure unit, e.g., meter. */
private final LengthUnit lengthUnit;
/** the unit of time for the pressure unit, e.g., second. */
private final TimeUnit timeUnit;
/** The SI unit for pressure is Pascal. */
public static final PressureUnit SI;
/** Pascal. */
public static final PressureUnit PASCAL;
/** hectoPascal. */
public static final PressureUnit HECTOPASCAL;
/** kiloPascal. */
public static final PressureUnit KILOPASCAL;
/** standard atmosphere. */
public static final PressureUnit ATMOSPHERE_STANDARD;
/** torr. */
public static final PressureUnit TORR;
/** technical atmosphere. */
public static final PressureUnit ATMOSPHERE_TECHNICAL;
/** barye. */
public static final PressureUnit BARYE;
/** bar. */
public static final PressureUnit BAR;
/** millibar. */
public static final PressureUnit MILLIBAR;
/** cm Hg. */
public static final PressureUnit CENTIMETER_MERCURY;
/** mm Hg. */
public static final PressureUnit MILLIMETER_MERCURY;
/** foot Hg. */
public static final PressureUnit FOOT_MERCURY;
/** inch Hg. */
public static final PressureUnit INCH_MERCURY;
/** kilogram-force per square millimeter. */
public static final PressureUnit KGF_PER_SQUARE_MM;
/** pound per square foot. */
public static final PressureUnit POUND_PER_SQUARE_FOOT;
/** pound per square inch. */
public static final PressureUnit POUND_PER_SQUARE_INCH;
/** pieze. */
public static final PressureUnit PIEZE;
static
{
SI =
new PressureUnit(MassUnit.KILOGRAM, LengthUnit.METER, TimeUnit.SECOND, "PressureUnit.pascal",
"PressureUnit.Pa", SI_DERIVED, true);
PASCAL = SI;
HECTOPASCAL = new PressureUnit("PressureUnit.hectopascal", "PressureUnit.hPa", SI_DERIVED, PASCAL, 100.0, true);
KILOPASCAL = new PressureUnit("PressureUnit.kilopascal", "PressureUnit.kPa", SI_DERIVED, PASCAL, 1000.0, true);
ATMOSPHERE_STANDARD =
new PressureUnit("PressureUnit.atmosphere_(standard)", "PressureUnit.atm", OTHER, PASCAL, 101325.0, true);
TORR = new PressureUnit("PressureUnit.torr", "PressureUnit.Torr", OTHER, ATMOSPHERE_STANDARD, 1.0 / 760.0, true);
ATMOSPHERE_TECHNICAL =
new PressureUnit(ForceUnit.KILOGRAM_FORCE, AreaUnit.SQUARE_CENTIMETER, "PressureUnit.atmosphere_(technical)",
"PressureUnit.at", OTHER, true);
BARYE =
new PressureUnit(ForceUnit.DYNE, AreaUnit.SQUARE_CENTIMETER, "PressureUnit.barye", "PressureUnit.Ba", CGS, true);
BAR = new PressureUnit("PressureUnit.bar_(full)", "PressureUnit.bar", OTHER, PASCAL, 1E5, true);
MILLIBAR = new PressureUnit("PressureUnit.millibar", "PressureUnit.mbar", OTHER, PressureUnit.BAR, 0.001, true);
CENTIMETER_MERCURY =
new PressureUnit("PressureUnit.centimeter_mercury", "PressureUnit.cmHg", OTHER, PASCAL, 1333.224, true);
MILLIMETER_MERCURY =
new PressureUnit("PressureUnit.millimeter_mercury", "PressureUnit.mmHg", OTHER, PASCAL, 133.3224, true);
FOOT_MERCURY = new PressureUnit("PressureUnit.foot_mercury", "PressureUnit.ftHg", IMPERIAL, PASCAL, 40.63666E3, true);
INCH_MERCURY = new PressureUnit("PressureUnit.inch_mercury", "PressureUnit.inHg", IMPERIAL, PASCAL, 3.386389E3, true);
KGF_PER_SQUARE_MM =
new PressureUnit(ForceUnit.KILOGRAM_FORCE, AreaUnit.SQUARE_MILLIMETER,
"PressureUnit.kilogram-force_per_square_millimeter", "PressureUnit.kgf/mm^2", OTHER, true);
POUND_PER_SQUARE_FOOT =
new PressureUnit(ForceUnit.POUND_FORCE, AreaUnit.SQUARE_FOOT, "PressureUnit.pound_per_square_foot",
"PressureUnit.lbf/ft^2", IMPERIAL, true);
POUND_PER_SQUARE_INCH =
new PressureUnit(ForceUnit.POUND_FORCE, AreaUnit.SQUARE_INCH, "PressureUnit.pound_per_square_inch",
"PressureUnit.lbf/in^2", IMPERIAL, true);
PIEZE =
new PressureUnit(MassUnit.TONNE, LengthUnit.METER, TimeUnit.SECOND, "PressureUnit.pieze", "PressureUnit.pz",
MTS, true);
}
/**
* Construct a pressure unit from mass, length and time units, e.g., a Pascal = kg/m.s^2.
* @param massUnit the unit of mass for the pressure unit, e.g., kilogram
* @param lengthUnit the unit of length for the pressure unit, e.g., meter
* @param timeUnit the unit of time for the pressure unit, e.g., second
* @param nameOrNameKey if standardUnit: the key to the locale file for the long name of the unit, otherwise the name itself
* @param abbreviationOrAbbreviationKey if standardUnit: the key to the locale file for the abbreviation of the unit,
* otherwise the abbreviation itself
* @param unitSystem the unit system, e.g. SI or Imperial
* @param standardUnit indicates whether it is a standard unit with a definition in the locale, or a user-defined unit
*/
private PressureUnit(final MassUnit massUnit, final LengthUnit lengthUnit, final TimeUnit timeUnit,
final String nameOrNameKey, final String abbreviationOrAbbreviationKey, final UnitSystem unitSystem,
final boolean standardUnit)
{
super(nameOrNameKey, abbreviationOrAbbreviationKey, unitSystem, PASCAL, massUnit.getConversionFactorToStandardUnit()
/ (lengthUnit.getConversionFactorToStandardUnit() * timeUnit.getConversionFactorToStandardUnit() * timeUnit
.getConversionFactorToStandardUnit()), standardUnit);
this.massUnit = massUnit;
this.lengthUnit = lengthUnit;
this.timeUnit = timeUnit;
}
/**
* Construct a user-defined pressure unit from mass, length and time units, e.g., a Pascal = kg/m.s^2.
* @param massUnit the unit of mass for the pressure unit, e.g., kilogram
* @param lengthUnit the unit of length for the pressure unit, e.g., meter
* @param timeUnit the unit of time for the pressure unit, e.g., second
* @param name the long name of the unit
* @param abbreviation the abbreviation of the unit
* @param unitSystem the unit system, e.g. SI or Imperial
*/
public PressureUnit(final MassUnit massUnit, final LengthUnit lengthUnit, final TimeUnit timeUnit, final String name,
final String abbreviation, final UnitSystem unitSystem)
{
this(massUnit, lengthUnit, timeUnit, name, abbreviation, unitSystem, false);
}
/**
* Construct a pressure unit from force and area units, e.g. a Pascal = N/m^2.
* @param forceUnit the unit of force for the pressure unit, e.g., Newton
* @param areaUnit the unit of area for the pressure unit, e.g., m^2
* @param nameOrNameKey if standardUnit: the key to the locale file for the long name of the unit, otherwise the name itself
* @param abbreviationOrAbbreviationKey if standardUnit: the key to the locale file for the abbreviation of the unit,
* otherwise the abbreviation itself
* @param unitSystem the unit system, e.g. SI or Imperial
* @param standardUnit indicates whether it is a standard unit with a definition in the locale, or a user-defined unit
*/
private PressureUnit(final ForceUnit forceUnit, final AreaUnit areaUnit, final String nameOrNameKey,
final String abbreviationOrAbbreviationKey, final UnitSystem unitSystem, final boolean standardUnit)
{
super(nameOrNameKey, abbreviationOrAbbreviationKey, unitSystem, PASCAL, forceUnit.getConversionFactorToStandardUnit()
/ areaUnit.getConversionFactorToStandardUnit(), standardUnit);
this.massUnit = forceUnit.getMassUnit();
this.lengthUnit = forceUnit.getLengthUnit();
this.timeUnit = forceUnit.getTimeUnit();
}
/**
* Construct a user-defined pressure unit from force and area units, e.g. a Pascal = N/m^2.
* @param forceUnit the unit of force for the pressure unit, e.g., Newton
* @param areaUnit the unit of area for the pressure unit, e.g., m^2
* @param name the long name of the unit
* @param abbreviation the abbreviation of the unit
* @param unitSystem the unit system, e.g. SI or Imperial
*/
public PressureUnit(final ForceUnit forceUnit, final AreaUnit areaUnit, final String name, final String abbreviation,
final UnitSystem unitSystem)
{
this(forceUnit, areaUnit, name, abbreviation, unitSystem, false);
}
/**
* Build a PressureUnit with a conversion factor to another PressureUnit.
* @param nameOrNameKey if standardUnit: the key to the locale file for the long name of the unit, otherwise the name itself
* @param abbreviationOrAbbreviationKey if standardUnit: the key to the locale file for the abbreviation of the unit,
* otherwise the abbreviation itself
* @param unitSystem the unit system, e.g. SI or Imperial
* @param referenceUnit the unit to convert to
* @param conversionFactorToReferenceUnit multiply a value in this unit by the factor to convert to the given reference unit
* @param standardUnit indicates whether it is a standard unit with a definition in the locale, or a user-defined unit
*/
private PressureUnit(final String nameOrNameKey, final String abbreviationOrAbbreviationKey, final UnitSystem unitSystem,
final PressureUnit referenceUnit, final double conversionFactorToReferenceUnit, final boolean standardUnit)
{
super(nameOrNameKey, abbreviationOrAbbreviationKey, unitSystem, referenceUnit, conversionFactorToReferenceUnit,
standardUnit);
this.massUnit = referenceUnit.getMassUnit();
this.lengthUnit = referenceUnit.getLengthUnit();
this.timeUnit = referenceUnit.getTimeUnit();
}
/**
* Build a user-defined PressureUnit with a conversion factor to another PressureUnit.
* @param name the long name of the unit
* @param abbreviation the abbreviation of the unit
* @param unitSystem the unit system, e.g. SI or Imperial
* @param referenceUnit the unit to convert to
* @param conversionFactorToReferenceUnit multiply a value in this unit by the factor to convert to the given reference unit
*/
public PressureUnit(final String name, final String abbreviation, final UnitSystem unitSystem,
final PressureUnit referenceUnit, final double conversionFactorToReferenceUnit)
{
this(name, abbreviation, unitSystem, referenceUnit, conversionFactorToReferenceUnit, false);
}
/**
* @return massUnit
*/
public final MassUnit getMassUnit()
{
return this.massUnit;
}
/**
* @return lengthUnit
*/
public final LengthUnit getLengthUnit()
{
return this.lengthUnit;
}
/**
* @return timeUnit
*/
public final TimeUnit getTimeUnit()
{
return this.timeUnit;
}
/** {@inheritDoc} */
@Override
public final PressureUnit getStandardUnit()
{
return PASCAL;
}
/** {@inheritDoc} */
@Override
public final String getSICoefficientsString()
{
return "kg/ms2";
}
}