LinearDensityUnit.java
package org.djunits.unit;
import static org.djunits.unit.unitsystem.UnitSystem.IMPERIAL;
import static org.djunits.unit.unitsystem.UnitSystem.OTHER;
import static org.djunits.unit.unitsystem.UnitSystem.SI_DERIVED;
import org.djunits.unit.unitsystem.UnitSystem;
/**
* Objects per unit of distance.
* <p>
* Copyright (c) 2013-2019 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: 2019-03-02 19:06:46 +0100 (Sat, 02 Mar 2019) $, @version $Revision: 342 $, by $Author: averbraeck $,
* initial version 11 nov. 2014 <br>
* @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
*/
public class LinearDensityUnit extends LinearUnit<LinearDensityUnit>
{
/** */
private static final long serialVersionUID = 20141111L;
/** the actual length unit, e.g. meter. */
private final LengthUnit lengthUnit;
/** The SI unit for objects per unit of distance is 1/meter. */
public static final LinearDensityUnit SI;
/** 1/am. */
public static final LinearDensityUnit PER_ATTOMETER;
/** 1/fm. */
public static final LinearDensityUnit PER_FEMTOMETER;
/** 1/pm. */
public static final LinearDensityUnit PER_PICOMETER;
/** 1/nm. */
public static final LinearDensityUnit PER_NANOMETER;
/** 1/µm. */
public static final LinearDensityUnit PER_MICROMETER;
/** 1/meter. */
public static final LinearDensityUnit PER_METER;
/** 1/millimeter. */
public static final LinearDensityUnit PER_MILLIMETER;
/** 1/centimeter. */
public static final LinearDensityUnit PER_CENTIMETER;
/** 1/decimeter. */
public static final LinearDensityUnit PER_DECIMETER;
/** 1/decameter. */
public static final LinearDensityUnit PER_DEKAMETER;
/** 1/hectometer. */
public static final LinearDensityUnit PER_HECTOMETER;
/** 1/kilometer. */
public static final LinearDensityUnit PER_KILOMETER;
/** 1/megameter. */
public static final LinearDensityUnit PER_MEGAMETER;
/** 1/foot (international) = 0.3048 m = 1/3 yd = 12 inches. */
public static final LinearDensityUnit PER_FOOT;
/** 1/inch (international) = 2.54 cm = 1/36 yd = 1/12 ft. */
public static final LinearDensityUnit PER_INCH;
/** 1/mile (international) = 5280 ft = 1760 yd. */
public static final LinearDensityUnit PER_MILE;
/** 1/nautical mile (international) = 1852 m. */
public static final LinearDensityUnit PER_NAUTICAL_MILE;
/** 1/yard (international) = 0.9144 m = 3 ft = 36 in. */
public static final LinearDensityUnit PER_YARD;
/** 1/Astronomical Unit. */
public static final LinearDensityUnit PER_ASTRONOMICAL_UNIT;
/** 1/Lightyear. */
public static final LinearDensityUnit PER_LIGHTYEAR;
/** 1/Parsec. */
public static final LinearDensityUnit PER_PARSEC;
/** 1/Angstrom. */
public static final LinearDensityUnit PER_ANGSTROM;
static
{
SI = new LinearDensityUnit(LengthUnit.METER, "LinearDensityUnit./m", SI_DERIVED);
PER_METER = SI;
PER_ATTOMETER = new LinearDensityUnit("LinearDensityUnit./am", SI_DERIVED, PER_METER, 1.0E18);
PER_FEMTOMETER = new LinearDensityUnit("LinearDensityUnit./fm", SI_DERIVED, PER_METER, 1.0E15);
PER_PICOMETER = new LinearDensityUnit("LinearDensityUnit./pm", SI_DERIVED, PER_METER, 1.0E12);
PER_NANOMETER = new LinearDensityUnit("LinearDensityUnit./nm", SI_DERIVED, PER_METER, 1.0E9);
PER_MICROMETER = new LinearDensityUnit("LinearDensityUnit./mum", SI_DERIVED, PER_METER, 1.0E6);
PER_MILLIMETER = new LinearDensityUnit("LinearDensityUnit./mm", SI_DERIVED, PER_METER, 1000.0);
PER_CENTIMETER = new LinearDensityUnit("LinearDensityUnit./cm", SI_DERIVED, PER_METER, 100.0);
PER_DECIMETER = new LinearDensityUnit("LinearDensityUnit./dm", SI_DERIVED, PER_METER, 10.0);
PER_DEKAMETER = new LinearDensityUnit("LinearDensityUnit./dam", SI_DERIVED, PER_METER, 0.1);
PER_HECTOMETER = new LinearDensityUnit("LinearDensityUnit./hm", SI_DERIVED, PER_METER, 0.01);
PER_KILOMETER = new LinearDensityUnit("LinearDensityUnit./km", SI_DERIVED, PER_METER, 0.001);
PER_MEGAMETER = new LinearDensityUnit("LinearDensityUnit./Mm", SI_DERIVED, PER_METER, 1.0E-6);
PER_FOOT = new LinearDensityUnit("LinearDensityUnit./ft", IMPERIAL, PER_METER, 1.0 / 0.3048);
PER_INCH = new LinearDensityUnit("LinearDensityUnit./in", IMPERIAL, PER_FOOT, 12.0);
PER_MILE = new LinearDensityUnit("LinearDensityUnit./mi", IMPERIAL, PER_FOOT, 1.0 / 5280.0);
PER_NAUTICAL_MILE = new LinearDensityUnit("LinearDensityUnit./NM", IMPERIAL, PER_METER, 1.0 / 1852.0);
PER_YARD = new LinearDensityUnit("LinearDensityUnit./yd", IMPERIAL, PER_FOOT, 1.0 / 3.0);
PER_ASTRONOMICAL_UNIT = new LinearDensityUnit("LinearDensityUnit./AU", OTHER, PER_METER, 1.0 / 149597870700.0);
PER_LIGHTYEAR = new LinearDensityUnit("LinearDensityUnit./ly", OTHER, PER_METER, 1.0 / 9460730472580800.0);
PER_PARSEC = new LinearDensityUnit("LinearDensityUnit./pc", OTHER, PER_LIGHTYEAR, Math.PI / 648000.0);
PER_ANGSTROM = new LinearDensityUnit("LinearDensityUnit./A", OTHER, PER_METER, 1.0 / 1E-10);
}
/**
* Define a LinearDensityUnit based on length. You can define unit like "per meter" here.
* @param lengthUnit LengthUnit; the unit of length for the linear density unit, e.g., meter
* @param abbreviationKey String; the key to the locale file for the abbreviation of the unit
* @param unitSystem UnitSystem; the unit system, e.g. SI or Imperial
*/
private LinearDensityUnit(final LengthUnit lengthUnit, final String abbreviationKey, final UnitSystem unitSystem)
{
super(abbreviationKey, unitSystem, PER_METER, 1.0 / lengthUnit.getScaleFactor());
this.lengthUnit = lengthUnit;
}
/**
* Define a user-defined LinearDensityUnit based on length. You can define unit like "per furlong" here.
* @param lengthUnit LengthUnit; the unit of length for the linear density unit, e.g., meter
* @param name String; the long name of the unit
* @param abbreviation String; the abbreviation of the unit
* @param unitSystem UnitSystem; the unit system, e.g. SI or Imperial
*/
public LinearDensityUnit(final LengthUnit lengthUnit, final String name, final String abbreviation,
final UnitSystem unitSystem)
{
super(name, abbreviation, unitSystem, PER_METER, 1.0 / lengthUnit.getScaleFactor());
this.lengthUnit = lengthUnit;
}
/**
* Build a LinearDensityUnit with a conversion factor to another LinearDensityUnit.
* @param abbreviationKey String; the key to the locale file for the abbreviation of the unit
* @param unitSystem UnitSystem; the unit system, e.g. SI or Imperial
* @param referenceUnit LinearDensityUnit; the unit to convert to
* @param scaleFactorToReferenceUnit double; multiply a value in this unit by the factor to convert to the given reference
* unit
*/
private LinearDensityUnit(final String abbreviationKey, final UnitSystem unitSystem, final LinearDensityUnit referenceUnit,
final double scaleFactorToReferenceUnit)
{
super(abbreviationKey, unitSystem, referenceUnit, scaleFactorToReferenceUnit);
this.lengthUnit = referenceUnit.getLengthUnit();
}
/**
* Build a user-defined LinearDensityUnit with a conversion factor to another LinearDensityUnit.
* @param name String; the long name of the unit
* @param abbreviation String; the abbreviation of the unit
* @param unitSystem UnitSystem; the unit system, e.g. SI or Imperial
* @param referenceUnit LinearDensityUnit; the unit to convert to
* @param scaleFactorToReferenceUnit double; multiply a value in this unit by the factor to convert to the given reference
* unit
*/
public LinearDensityUnit(final String name, final String abbreviation, final UnitSystem unitSystem,
final LinearDensityUnit referenceUnit, final double scaleFactorToReferenceUnit)
{
super(name, abbreviation, unitSystem, referenceUnit, scaleFactorToReferenceUnit);
this.lengthUnit = referenceUnit.getLengthUnit();
}
/**
* @return durationUnit
*/
public final LengthUnit getLengthUnit()
{
return this.lengthUnit;
}
/** {@inheritDoc} */
@Override
public final LinearDensityUnit getStandardUnit()
{
return PER_METER;
}
/** {@inheritDoc} */
@Override
public final String getSICoefficientsString()
{
return "1/m";
}
}