UnitSystem

java.lang.Object
- etomica.units.systems.UnitSystem

Direct Known Subclasses:

CGS, LJ, MKS, UnitSystem.Sim
```
public abstract class UnitSystem
extends java.lang.Object
```
Specifies a system of units. Defines methods that return specific units for various types of quantities.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class UnitSystem.Sim
System of units based on simulation units of Daltons, picoseconds, and Angstroms

Nested Classes
Modifier and Type	Class	Description
`static class`	`UnitSystem.Sim`	System of units based on simulation units of Daltons, picoseconds, and Angstroms

Field Summary

Fields
Modifier and Type Field Description

static UnitSystem SIM
Instance of simulation units, the unit system used for internal calculations.

Fields
Modifier and Type	Field	Description
`static UnitSystem`	`SIM`	Instance of simulation units, the unit system used for internal calculations.

Constructor Summary

Constructors
Constructor Description

UnitSystem()

Constructors
Constructor	Description
`UnitSystem()`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract Unit`	`angle()`
`abstract Unit`	`area()`
`Unit[]`	`baseUnits()`	Base dimensions are {length, mass, time, current, temperature, quantity, luminous intensity}
`abstract Unit`	`charge()`
`abstract Unit`	`current()`
`abstract Unit`	`dipole()`
`abstract Unit`	`energy()`
`abstract Unit`	`force()`
`abstract Unit`	`fraction()`
`abstract Unit`	`length()`
`Unit`	`luminousIntensity()`
`abstract Unit`	`mass()`
`abstract Unit`	`power()`
`abstract Unit`	`pressure()`
`abstract Unit`	`quantity()`
`abstract Unit`	`temperature()`
`abstract Unit`	`time()`
`abstract Unit`	`viscosity()`
`abstract Unit`	`volume()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - SIM
```
public static final UnitSystem SIM
```
    Instance of simulation units, the unit system used for internal calculations.
- Constructor Detail
  - UnitSystem
```
public UnitSystem()
```
- Method Detail
  - quantity
```
public abstract Unit quantity()
```
    Returns:
    
    unit defining an amount in this unit system, typically a direct count or a mole
  - fraction
```
public abstract Unit fraction()
```
    Returns:
    
    unit defining a fractional amount in this unit system, typically a decimal or percent
  - mass
```
public abstract Unit mass()
```
    Returns:
    
    mass unit defined in this unit system
  - length
```
public abstract Unit length()
```
    Returns:
    
    length unit defined in this unit system
  - time
```
public abstract Unit time()
```
    Returns:
    
    time unit defined in this unit system
  - angle
```
public abstract Unit angle()
```
    Returns:
    
    angle unit defined in this unit system, typically radians or degrees
  - charge
```
public abstract Unit charge()
```
    Returns:
    
    electric-charge unit defined in this unit system
  - current
```
public abstract Unit current()
```
    Returns:
    
    electric-current unit defined in this unit system
  - dipole
```
public abstract Unit dipole()
```
    Returns:
    
    electric-dipole unit defined in this unit system
  - force
```
public abstract Unit force()
```
    Returns:
    
    force unit defined in this unit system
  - energy
```
public abstract Unit energy()
```
    Returns:
    
    energy unit defined in this unit system
  - power
```
public abstract Unit power()
```
    Returns:
    
    power (energy/time) unit defined in this unit system
  - temperature
```
public abstract Unit temperature()
```
    Returns:
    
    temperature unit defined in this unit system
  - pressure
```
public abstract Unit pressure()
```
    Returns:
    
    pressure unit defined in this unit system
  - volume
```
public abstract Unit volume()
```
    Returns:
    
    volume unit defined in this unit system
  - area
```
public abstract Unit area()
```
    Returns:
    
    area unit defined in this unit system
  - viscosity
```
public abstract Unit viscosity()
```
    Returns:
    
    viscosity unit defined in this unit system
  - luminousIntensity
```
public Unit luminousIntensity()
```
    Returns:
    
    luminous intensity unit defined in this unit system
  - baseUnits
```
public Unit[] baseUnits()
```
    Base dimensions are {length, mass, time, current, temperature, quantity, luminous intensity}
    
    Returns:
    
    a list of the base units defined for this unit system

Class UnitSystem

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

SIM

Constructor Detail

UnitSystem

Method Detail

quantity

fraction

mass

length

time

angle

charge

current

dipole

force

energy

power

temperature

pressure

volume

area

viscosity

luminousIntensity

baseUnits