Package org.djunits.quantity

Class LinearObjectDensity

java.lang.Object
java.lang.Number
org.djunits.quantity.def.Quantity<LinearObjectDensity,LinearObjectDensity.Unit>
org.djunits.quantity.LinearObjectDensity
All Implemented Interfaces:
Serializable, Comparable<LinearObjectDensity>, Additive<LinearObjectDensity>, Scalable<LinearObjectDensity>, Value<LinearObjectDensity.Unit,LinearObjectDensity>
public class LinearObjectDensity extends Quantity<LinearObjectDensity,LinearObjectDensity.Unit>
Linear object density counts the number of objects per unit of length, measured in number per meter (/m).

Copyright (c) 2025-2026 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information https://djunits.org. The DJUNITS project is distributed under a three-clause BSD-style license.

Author:
Alexander Verbraeck
See Also:

  • Field Details

  • Constructor Details

    • LinearObjectDensity

      public LinearObjectDensity(double value, LinearObjectDensity.Unit unit)
      Instantiate a LinearObjectDensity quantity with a unit.
      Parameters:
      value - the value, expressed in the unit
      unit - the unit in which the value is expressed

    • LinearObjectDensity

      public LinearObjectDensity(double value, String abbreviation)
      Instantiate a LinearObjectDensity quantity with a unit, expressed as a String.
      Parameters:
      value - the value, expressed in the unit
      abbreviation - the String abbreviation of the unit in which the value is expressed

    • LinearObjectDensity

      public LinearObjectDensity(LinearObjectDensity value)
      Construct LinearObjectDensity quantity.
      Parameters:
      value - Scalar from which to construct this instance

  • Method Details

    • ofSi

      public static LinearObjectDensity ofSi(double si)
      Return a LinearObjectDensity instance based on an SI value.
      Parameters:
      si - the si value
      Returns:
      the LinearObjectDensity instance based on an SI value

    • instantiate

      public LinearObjectDensity instantiate(double si)
      Description copied from class: Quantity
      Instantiate a quantity with an SI or base value.
      Specified by:
      instantiate in class Quantity<LinearObjectDensity,LinearObjectDensity.Unit>
      Parameters:
      si - the value expressed in the base (SI) unit
      Returns:
      a quantity with the given SI-value and base (SI) unit

    • siUnit

      public SIUnit siUnit()
      Description copied from class: Quantity
      Return the SI unit of this quantity.
      Overrides:
      siUnit in class Quantity<LinearObjectDensity,LinearObjectDensity.Unit>
      Returns:
      the SI unit of this quantity

    • valueOf

      public static LinearObjectDensity valueOf(String text)
      Returns a LinearObjectDensity representation of a textual representation of a value with a unit. The String representation that can be parsed is the double value in the unit, followed by a localized or English abbreviation of the unit. Spaces are allowed, but not required, between the value and the unit.
      Parameters:
      text - the textual representation to parse into a LinearObjectDensity
      Returns:
      the Scalar representation of the value in its unit
      Throws:
      IllegalArgumentException - when the text cannot be parsed
      NullPointerException - when the text argument is null

    • of

      public static LinearObjectDensity of(double value, String unitString)
      Returns a LinearObjectDensity based on a value and the textual representation of the unit, which can be localized.
      Parameters:
      value - the value to use
      unitString - the textual representation of the unit
      Returns:
      the Scalar representation of the value in its unit
      Throws:
      IllegalArgumentException - when the unit cannot be parsed or is incorrect
      NullPointerException - when the unitString argument is null

    • divide

      public final Dimensionless divide(LinearObjectDensity v)
      Calculate the division of LinearObjectDensity and LinearObjectDensity, which results in a Dimensionless quantity.
      Parameters:
      v - quantity
      Returns:
      quantity as a division of LinearObjectDensity and LinearObjectDensity

    • multiply

      public final Dimensionless multiply(Length v)
      Calculate the multiplication of LinearObjectDensity and Length, which results in a Dimensionless scalar.
      Parameters:
      v - scalar
      Returns:
      scalar as a multiplication of LinearObjectDensity and Length

    • multiply

      public final Length multiply(Area v)
      Calculate the multiplication of LinearObjectDensity and Area, which results in a Length scalar.
      Parameters:
      v - scalar
      Returns:
      scalar as a multiplication of LinearObjectDensity and Area

    • multiply

      public final Force multiply(Energy v)
      Calculate the multiplication of LinearObjectDensity and Energy, which results in a Force scalar.
      Parameters:
      v - scalar
      Returns:
      scalar as a multiplication of LinearObjectDensity and Energy

    • multiply

      public final Frequency multiply(Speed v)
      Calculate the multiplication of LinearObjectDensity and Speed, which results in a Frequency scalar.
      Parameters:
      v - scalar
      Returns:
      scalar as a multiplication of LinearObjectDensity and Speed

    • reciprocal

      public Length reciprocal()
      Description copied from class: Quantity
      Return the reciprocal of this quantity (1/q).
      Overrides:
      reciprocal in class Quantity<LinearObjectDensity,LinearObjectDensity.Unit>
      Returns:
      the reciprocal of this quantity, with the correct SI units