org.jeospace.navigation
Class Globe

java.lang.Object
  org.jeospace.navigation.Globe

All Implemented Interfaces:

Horizon

public class Globe

extends java.lang.Object

implements Horizon

An orientation for the plane of the horizon about a world. This orientation directs the gravitation vector (Y axis) towards the center of the world and aligns the X and Z axes along the lines of latitude and longitude respectively of a conventional spherical coordinate system.

Version:

$Revision: 1.1.1.1 $

Author:

Rex Melton

See Also:

Cartesian, Quaternion

Constructor Summary

Globe()
Constructor

Method Summary

void	get(Cartesian cart, Quaternion quat) Calculate the plane of the horizon orientation for the argument cartesian coordinate.

Methods inherited from class java.lang.Object

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

Constructor Detail

Globe

public Globe()

Constructor

Method Detail

get

public void get(Cartesian cart,
                Quaternion quat)

Calculate the plane of the horizon orientation for the argument cartesian coordinate.

Specified by:

get in interface Horizon

Parameters:

cart - the position coordinate for which to calculate the plane of the horizon.

quat - the quaternion object to initialize with the plane of the horizon orientation.