Documentation of 'jhplot.UCalc' Java class.
UCalc
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jhplot

Class UCalc


  • public class UCalc
extends java.lang.Object
    Calculations using different measurement and physics unit systems.

    • Constructor Summary

      Constructors 
      Constructor and Description
      UCalc()
      Initialaze calculations with units.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      java.lang.String eval(java.lang.String havestr, java.lang.String wantstr)
      Performs the computation with units.
      java.lang.String getUnit()
      Returns expected unit.
      double getValue()
      Returns answer as double.
      void help()
      Show help topics in a window.
      void search()
      Shows units and functions with names containing the current unit.
      void search(java.lang.String name)
      Shows units and functions with names containing a given substring.
      void showConformable()
      Shows units, functions, and aliases conformable to given Value.
      java.lang.String showDef(java.lang.String name)
      If the argument is the name of a function or unit list, returns its definition.
      void showSource()
      Show source.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • UCalc

        public UCalc()
        Initialaze calculations with units.

    • Method Detail

      • eval

        public java.lang.String eval(java.lang.String havestr,
                             java.lang.String wantstr)
        Performs the computation with units.
        Parameters:
        havestr - expression specifying the value to be converted.
        toString - string specifying unit of the desired result: expression, function name, unit list name, or unit list.
        Returns:
        answer as a string. If "error", then there was an error

      • getValue

        public double getValue()
        Returns answer as double.
        Returns:
        anser as double value

      • getUnit

        public java.lang.String getUnit()
        Returns expected unit.
        Returns:
        expected unit.

      • showSource

        public void showSource()
        Show source.

      • showConformable

        public void showConformable()
        Shows units, functions, and aliases conformable to given Value. (Originally part of 'tryallunits'.)

      • search

        public void search()
        Shows units and functions with names containing the current unit. (Originally part of 'tryallunits'.)

      • search

        public void search(java.lang.String name)
        Shows units and functions with names containing a given substring. (Originally part of 'tryallunits'.)
        Parameters:
        name - the name of the unit.

      • showDef

        public java.lang.String showDef(java.lang.String name)
        If the argument is the name of a function or unit list, returns its definition. Otherwise returns null.
        Parameters:
        name - the name.
        Returns:
        definition or null.

      • help

        public void help()
        Show help topics in a window.
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