org.das2.datum

Class SIUnits

java.lang.Object

org.das2.datum.Units

org.das2.datum.NumberUnits

org.das2.datum.SIUnits

public class SIUnits
extends NumberUnits

Finally introduce SI Units library, which preserves units through multiplication and division.

Field Summary

Fields inherited from class org.das2.datum.Units

ampRatio, bytes, bytesPerSecond, cdfEpoch, cdfTT2000, celciusDegrees, centigrade, centimeters, cm_2s_1keV_1, cm_2s_1MeV_1, cmps, days, dB, decimalYear, deg, degrees, degrees2, dimensionless, dollars, euros, ev, eV, fahrenheitDegrees, fahrenheitScale, gigaHertz, hertz, hours, hours2, inches, julianDay, kelvin, keV, kiloBytes, kiloBytesPerSecond, kiloHertz, kiloMeters, log10Ratio, logERatio, megaHertz, meters, MeV, microseconds, microseconds2, microseconds3, millimeters, milliseconds, milliseconds2, minutes, mj1958, mjd, mps, ms1970, nanoseconds, ns, nT, pcm3, percent, percentIncrease, picoseconds, radians, rgbColor, rupee, seconds, seconds2, t1970, t2000, t2010, typographicPoints, us1970, us1980, us2000, us2020, v2pm2Hz, wpm2, years, yen

Method Summary

Modifier and Type	Method and Description
Datum	add(java.lang.Number a, java.lang.Number b, Units bUnits)
static SIUnits	create(java.lang.String id)
static SIUnits	create(java.lang.String id, java.lang.String desc, int m, int kg, int s)
static SIUnits	create(java.lang.String id, java.lang.String desc, int m, int kg, int s, double multiplier)
static SIUnits	create(java.lang.String id, java.lang.String desc, int m, int kg, int s, int A, int K)
static SIUnits	create(java.lang.String id, java.lang.String desc, Ratio m, Ratio k, Ratio s, RationalNumber multiplier)
static SIUnits	create(java.lang.String id, java.lang.String desc, Ratio m, Ratio kg, Ratio s, Ratio A, Ratio K, RationalNumber multiplier)
Datum	divide(java.lang.Number a, java.lang.Number b, Units bUnits)
static SIUnits	fromClusterCDFSIConversion(java.lang.String si, java.lang.String id, java.lang.String desc) Cluster CDFs had "SI_Conversion" that showed how to convert to SI units.
static void	main(java.lang.String[] args)
Datum	multiply(java.lang.Number a, java.lang.Number b, Units bUnits)
static SIUnits	multiply(SIUnits s1, SIUnits s2)
static SIUnits	multiply(java.lang.String id, java.lang.String desc, SIUnits s1, RationalNumber s)
static SIUnits	pow(SIUnits s1, int pow) apply the power to the exponent.
Datum	subtract(java.lang.Number a, java.lang.Number b, Units bUnits)
java.lang.String	toString()

Methods inherited from class org.das2.datum.NumberUnits

add, createDatum, createDatum, createDatum, createDatum, createDatum, createDatum, divide, getDatumFormatterFactory, multiply, parse, subtract

Methods inherited from class org.das2.datum.Units

convertDoubleTo, format, getAllUnits, getBasis, getByName, getCanonicalUnit, getConverter, getConverter, getConvertibleUnits, getFillDatum, getFillDouble, getId, getOffsetUnits, grannyFormat, isConvertibleTo, isFill, isFill, isValid, lookupTimeLengthUnit, lookupTimeUnits, lookupTimeUnits, lookupUnits, nominal, nominal, registerConverter

Methods inherited from class java.lang.Object

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

Method Detail

create

public static SIUnits create(java.lang.String id)

create

public static SIUnits create(java.lang.String id,
                             java.lang.String desc,
                             Ratio m,
                             Ratio kg,
                             Ratio s,
                             Ratio A,
                             Ratio K,
                             RationalNumber multiplier)

create

public static SIUnits create(java.lang.String id,
                             java.lang.String desc,
                             int m,
                             int kg,
                             int s,
                             double multiplier)

create

public static SIUnits create(java.lang.String id,
                             java.lang.String desc,
                             int m,
                             int kg,
                             int s)

create

public static SIUnits create(java.lang.String id,
                             java.lang.String desc,
                             int m,
                             int kg,
                             int s,
                             int A,
                             int K)

create

public static SIUnits create(java.lang.String id,
                             java.lang.String desc,
                             Ratio m,
                             Ratio k,
                             Ratio s,
                             RationalNumber multiplier)

multiply

public static SIUnits multiply(SIUnits s1,
                               SIUnits s2)

multiply

public static SIUnits multiply(java.lang.String id,
                               java.lang.String desc,
                               SIUnits s1,
                               RationalNumber s)

pow

public static SIUnits pow(SIUnits s1,
                          int pow)

apply the power to the exponent. For example pow(Units.kg,2)→ kg**2 pow(Units.cm,2)→ cm**2 == .01^2 * m^2. Units.kg

Parameters:

s1 - the unit, e.g. SIUnits.si_Hz

pow - the exponent e.g. -1

Returns:

SI unit, e.g. SIUnits.si_s

toString

public java.lang.String toString()

Overrides:

toString in class Units

add

public Datum add(java.lang.Number a,
                 java.lang.Number b,
                 Units bUnits)

Overrides:

add in class NumberUnits

subtract

public Datum subtract(java.lang.Number a,
                      java.lang.Number b,
                      Units bUnits)

Overrides:

subtract in class NumberUnits

multiply

public Datum multiply(java.lang.Number a,
                      java.lang.Number b,
                      Units bUnits)

Overrides:

multiply in class NumberUnits

divide

public Datum divide(java.lang.Number a,
                    java.lang.Number b,
                    Units bUnits)

Overrides:

divide in class NumberUnits

fromClusterCDFSIConversion

public static SIUnits fromClusterCDFSIConversion(java.lang.String si,
                                                 java.lang.String id,
                                                 java.lang.String desc)

Cluster CDFs had "SI_Conversion" that showed how to convert to SI units. Parse this string. For example: SI_conversion=

Parameters:

si - the string.

Returns:

the SIUnits

main

public static void main(java.lang.String[] args)