org.djunits.unit.unitsystem

Class UnitSystem

java.lang.Object

org.djunits.unit.unitsystem.UnitSystem

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AU, CGS, Imperial, MTS, Other, SI

public abstract class UnitSystem
extends Object
implements Serializable

Systems of Units such as SI, including SI-derived; cgs (centimeter-gram-second).

Copyright (c) 2015-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See DJUNITS License.

$LastChangedDate: 2019-01-18 00:35:01 +0100 (Fri, 18 Jan 2019) $, @version $Revision: 324 $, by $Author: averbraeck $, initial version Jun 6, 2014

Author:

Alexander Verbraeck

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static AU	AU AU: Atomic Unit system.
static CGS	CGS CGS: centimeter-gram-second system.
static CGS_EMU	CGS_EMU CGS_EMU: centimeter-gram-second system, electromagnetic units.
static CGS_ESU	CGS_ESU CGS_ESU: centimeter-gram-second system, electrostatic units.
static Imperial	IMPERIAL Imperial system.
static MTS	MTS MTS: meter-tonne-second system.
static Other	OTHER Other (or no) system.
static SIAccepted	SI_ACCEPTED SI units, accepted for use in addition to SI.
static SIBase	SI_BASE SI base units: temperature, time, length, mass, luminous intensity, amount of substance and electric current.
static SIDerived	SI_DERIVED SI derived units, by combining SI-base elements (and quantifiers such as milli or kilo).
static USCustomary	US_CUSTOMARY US additions to the Imperial system.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UnitSystem(String abbreviationKey, String nameKey)

Method Summary

Modifier and Type	Method and Description
String	getAbbreviation()
String	getAbbreviationKey()
String	getName()
String	getNameKey()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CGS

public static final CGS CGS

CGS: centimeter-gram-second system.

CGS_ESU

public static final CGS_ESU CGS_ESU

CGS_ESU: centimeter-gram-second system, electrostatic units.

CGS_EMU

public static final CGS_EMU CGS_EMU

CGS_EMU: centimeter-gram-second system, electromagnetic units.

IMPERIAL

public static final Imperial IMPERIAL

Imperial system.

MTS

public static final MTS MTS

MTS: meter-tonne-second system.

OTHER

public static final Other OTHER

Other (or no) system.

SI_ACCEPTED

public static final SIAccepted SI_ACCEPTED

SI units, accepted for use in addition to SI.

SI_BASE

public static final SIBase SI_BASE

SI base units: temperature, time, length, mass, luminous intensity, amount of substance and electric current.

SI_DERIVED

public static final SIDerived SI_DERIVED

SI derived units, by combining SI-base elements (and quantifiers such as milli or kilo).

US_CUSTOMARY

public static final USCustomary US_CUSTOMARY

US additions to the Imperial system.

AU

public static final AU AU

AU: Atomic Unit system.

Constructor Detail

UnitSystem

protected UnitSystem(String abbreviationKey,
                     String nameKey)

Parameters:

abbreviationKey - String; the abbreviation of the unit system, such as cgs

nameKey - String; the name of the unit system, such as centimeter-gram-second

Method Detail

getName

public final String getName()

Returns:

name, e.g. centimeter-gram-second

getNameKey

public final String getNameKey()

Returns:

name key, e.g. CGS.centimeter-gram-second

getAbbreviation

public final String getAbbreviation()

Returns:

abbreviation, e.g., CGS.cgs

getAbbreviationKey

public final String getAbbreviationKey()

Returns:

abbreviation key, e.g. cgs