edu.nps.moves.dismobile
Class Vector3Double

java.lang.Object
  edu.nps.moves.dismobile.Vector3Double

All Implemented Interfaces:

java.io.Serializable

public class Vector3Double
extends java.lang.Object
implements java.io.Serializable

Section 5.3.34. Three double precision floating point values, x, y, and z Copyright (c) 2008-2010, MOVES Institute, Naval Postgraduate School. All rights reserved. This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html

Author:

DMcG

See Also:

Serialized Form

Field Summary

protected double	x X value
protected double	y Y value
protected double	z Z value

Constructor Summary

Vector3Double()
Constructor

Method Summary

void	convertDisToLatitudeLongitudeAltitude() Assuming that the Vector3Double contains DIS coordinate system values, converts them in place to latitude in the x value, longitude in the y value, (in degrees) and altitude in meters for the z value.
void	convertLatitudeLongitudeAltitudeToDis() Assuming that the x,y,z values of this Vector3Double are x=latitude, y=longitude, (in degrees) and z=altitude (in meters), converts them to DIS coordinates
boolean	equals(java.lang.Object obj)
boolean	equalsImpl(java.lang.Object obj) Compare all fields that contribute to the state, ignoring transient and static fields, for this and the supplied object
int	getMarshalledSize()
double	getX()
double	getY()
double	getZ()
void	marshal(java.nio.ByteBuffer buff) Packs a Pdu into the ByteBuffer.
void	marshal(java.io.DataOutputStream dos)
void	setX(double pX)
void	setY(double pY)
void	setZ(double pZ)
void	unmarshal(java.nio.ByteBuffer buff) Unpacks a Pdu from the underlying data.
void	unmarshal(java.io.DataInputStream dis)

Methods inherited from class java.lang.Object

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

Field Detail

x

protected double x

X value

y

protected double y

Y value

z

protected double z

Z value

Constructor Detail

Vector3Double

public Vector3Double()

Constructor

Method Detail

getMarshalledSize

public int getMarshalledSize()

setX

public void setX(double pX)

getX

public double getX()

setY

public void setY(double pY)

getY

public double getY()

setZ

public void setZ(double pZ)

getZ

public double getZ()

marshal

public void marshal(java.io.DataOutputStream dos)

unmarshal

public void unmarshal(java.io.DataInputStream dis)

marshal

public void marshal(java.nio.ByteBuffer buff)

Packs a Pdu into the ByteBuffer.

Parameters:

buff - The ByteBuffer at the position to begin writing

Throws:

java.nio.BufferOverflowException - if buff is too small

java.nio.ReadOnlyBufferException - if buff is read only

Since:

??

See Also:

ByteBuffer

unmarshal

public void unmarshal(java.nio.ByteBuffer buff)

Unpacks a Pdu from the underlying data.

Parameters:

buff - The ByteBuffer at the position to begin reading

Throws:

java.nio.BufferUnderflowException - if buff is too small

Since:

??

See Also:

ByteBuffer

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

equalsImpl

public boolean equalsImpl(java.lang.Object obj)

Compare all fields that contribute to the state, ignoring transient and static fields, for this and the supplied object

Parameters:

obj - the object to compare to

Returns:

true if the objects are equal, false otherwise.

convertLatitudeLongitudeAltitudeToDis

public void convertLatitudeLongitudeAltitudeToDis()

Assuming that the x,y,z values of this Vector3Double are x=latitude, y=longitude, (in degrees) and z=altitude (in meters), converts them to DIS coordinates

Vector3Double is very often ued for setting the entity position. This is a convienience method that allows the programmer to set a latitude, longitude, and altitude, and have it converted to the DIS coordiinate system

The DIS standard uses an earth-centered, rectilinear coordinate system with the Z axis pointing through the north pole, the X axis pointing out at the intersection of the equator and prime meridian, and the Y axis pointing out at the equator and 90 deg east. Since pretty much no one else uses this, it can make finding the "DIS standard" x,y,z difficult if you have only latitude, longitude, and altitude. This method does the converstion from those three values to the DIS coordinate system.

The conversion is always somewhat problematic, depending on what model of the earth's surface you use. This uses the WGS84 elipsoid model, and may not be accurate around the poles.

convertDisToLatitudeLongitudeAltitude

public void convertDisToLatitudeLongitudeAltitude()

Assuming that the Vector3Double contains DIS coordinate system values, converts them in place to latitude in the x value, longitude in the y value, (in degrees) and altitude in meters for the z value.