Package ucar.visad.quantities

Class PolarHorizontalWind

java.lang.Object

ucar.visad.quantities.Quantity

ucar.visad.quantities.VectorQuantity

ucar.visad.quantities.Wind

ucar.visad.quantities.HorizontalWind

ucar.visad.quantities.PolarHorizontalWind

public final class PolarHorizontalWind
extends HorizontalWind

Provides support for the quantity of horizontal wind in polar coordinates. Instances of this class have CartesianHorizontalWind as their reference CoordinateSystem.

Author:

Steven R. Emmerson

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	PolarHorizontalWind.PolarCoordinateSystem	Provides support for transforming wind coordinates between polar and cartesian representations.

Field Summary

Fields inherited from class ucar.visad.quantities.HorizontalWind

DEFAULT_SPEED_UNIT

Method Summary

Modifier and Type	Method	Description
static RealType	getDirectionRealType()	Obtain the RealType of the direction component.
static RealTupleType	getRealTupleType()	Obtains the RealTupleType associated with this class.
static RealType	getSpeedRealType()	Obtain the RealType of the speed component.
static RealTuple	newRealTuple(RealTuple uv)	Returns a (speed,direction) tuple constructed from a (u,v) tuple.

Methods inherited from class ucar.visad.quantities.VectorQuantity

earthVectorType

Methods inherited from class ucar.visad.quantities.Quantity

realTupleType, setRealTupleType

Methods inherited from class java.lang.Object

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

Method Details

getRealTupleType

public static RealTupleType getRealTupleType()
                                      throws VisADException

Obtains the RealTupleType associated with this class.

Returns:

The RealTupleType associated with this class.

Throws:

VisADException - Couldn't perform necessary VisAD operation.

getSpeedRealType

public static RealType getSpeedRealType()
                                 throws VisADException

Obtain the RealType of the speed component.

Returns:

The RealType of the speed compoment.

Throws:

VisADException - if a core VisAD failure occurs.

getDirectionRealType

public static RealType getDirectionRealType()
                                     throws VisADException

Obtain the RealType of the direction component.

Returns:

The RealType of the direction compoment.

Throws:

VisADException - if a core VisAD failure occurs.

newRealTuple

public static RealTuple newRealTuple(RealTuple uv)
                              throws VisADException,
RemoteException

Returns a (speed,direction) tuple constructed from a (u,v) tuple.

Parameters:

uv - The (westerly,southerly) wind.

Returns:

The wind in polar coordinates.

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.