uavsim.datatypes
Class Airspeed

java.lang.Object
  uavsim.datatypes.Airspeed

All Implemented Interfaces:

java.lang.Comparable<Airspeed>, I_Unitable<Airspeed>

public class Airspeed
extends java.lang.Object
implements I_Unitable<Airspeed>

Defines an airspeed. The units are arbitrary as either miles per hour or knots. No internal calculations rely on the units.

Author:

Dan Tappan [21.06.11]

Field Summary

private double	_airspeed the airspeed
private static double	DEFAULT_AIRSPEED the default airspeed

Constructor Summary

Airspeed()
Creates an airspeed object with a default speed of zero.

Airspeed(double speed)
Creates an airspeed object.

Method Summary

Airspeed	add_(Airspeed airspeed) Adds another unit to this one.
int	compareTo(Airspeed airspeed)
double	getValue_() Returns the numerical value of this unit.
Airspeed	interpolate(Airspeed airspeed, Scaler scaler) Interpolates between this airspeed and another in the forward direction.
private void	setValue(double airspeed) Sets the airspeed.
Airspeed	subtract_(Airspeed airspeed) Subtract another unit from this one.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

_airspeed

private double _airspeed

the airspeed

DEFAULT_AIRSPEED

private static final double DEFAULT_AIRSPEED

the default airspeed

See Also:

Constant Field Values

Constructor Detail

Airspeed

public Airspeed()

Creates an airspeed object with a default speed of zero.

Airspeed

public Airspeed(double speed)

Creates an airspeed object.

Parameters:

speed - - the speed

Method Detail

add_

public Airspeed add_(Airspeed airspeed)

Adds another unit to this one.

Specified by:

add_ in interface I_Unitable<Airspeed>

Parameters:

airspeed - - the unit

Returns:

the result as a new unit

compareTo

public int compareTo(Airspeed airspeed)

Specified by:

compareTo in interface java.lang.Comparable<Airspeed>

getValue_

public double getValue_()

Returns the numerical value of this unit.

Specified by:

getValue_ in interface I_Unitable<Airspeed>

Returns:

the value

interpolate

public Airspeed interpolate(Airspeed airspeed,
                            Scaler scaler)

Interpolates between this airspeed and another in the forward direction.

Parameters:

airspeed - - the other airspeed

scaler - - the scaler between the airspeeds

Returns:

the interpolated airspeed

setValue

private void setValue(double airspeed)

Sets the airspeed.

Parameters:

airspeed - - the airspeed

subtract_

public Airspeed subtract_(Airspeed airspeed)

Subtract another unit from this one. A negative result is illegal.

Specified by:

subtract_ in interface I_Unitable<Airspeed>

Parameters:

airspeed - - the unit

Returns:

the result as a new unit

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object