org.geolatte.geom.crs

Class Unit

java.lang.Object

org.geolatte.geom.crs.CrsIdentifiable

org.geolatte.geom.crs.Unit

Direct Known Subclasses:

AngularUnit, LinearUnit

public abstract class Unit
extends CrsIdentifiable

Describes the units of a CoordinateSystemAxis.

Field Summary

Fields

Modifier and Type	Field and Description
private double	conversionFactor
static AngularUnit	DEGREE
static LinearUnit	METER
static AngularUnit	RADIAN
static AngularUnit	UNKNOWN_Angular
static LinearUnit	UNKNOWN_LINEAR

Constructor Summary

Constructors

Constructor and Description
Unit(CrsId crsId, java.lang.String name, double conversionFactor) Creates an instance.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
double	getConversionFactor() Returns the conversion factor: the scalar value that converts a value of this Unit to the fundamental unit for this type of unit.
abstract Unit	getFundamentalUnit() Returns the fundamental unit for this type of Unit.
int	hashCode()
abstract boolean	isAngular() Returns true if this Unit is angular.
java.lang.String	toString()

Methods inherited from class org.geolatte.geom.crs.CrsIdentifiable

getCrsId, getName

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEGREE

public static final AngularUnit DEGREE

RADIAN

public static final AngularUnit RADIAN

METER

public static final LinearUnit METER

UNKNOWN_LINEAR

public static final LinearUnit UNKNOWN_LINEAR

UNKNOWN_Angular

public static final AngularUnit UNKNOWN_Angular

conversionFactor

private final double conversionFactor

Constructor Detail

Unit

public Unit(CrsId crsId,
            java.lang.String name,
            double conversionFactor)

Creates an instance.

Parameters:

crsId -

name -

conversionFactor -

Method Detail

getFundamentalUnit

public abstract Unit getFundamentalUnit()

Returns the fundamental unit for this type of Unit.

Returns:

Meter for linear, Radian for angular units.

getConversionFactor

public double getConversionFactor()

Returns the conversion factor: the scalar value that converts a value of this Unit to the fundamental unit for this type of unit.

Returns:

isAngular

public abstract boolean isAngular()

Returns true if this Unit is angular.

Returns:

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class CrsIdentifiable

hashCode

public int hashCode()

Overrides:

hashCode in class CrsIdentifiable

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object