90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
#ifndef OBSERVER_H_
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#define OBSERVER_H_
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#include "CoordGeodetic.h"
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#include "Eci.h"
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class DateTime;
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class CoordTopographic;
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class Observer
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{
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public:
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/**
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* Constructor
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* @param[in] latitude observers latitude in degrees
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* @param[in] longitude observers longitude in degrees
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* @param[in] altitude observers altitude in kilometers
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*/
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Observer(const double latitude,
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const double longitude,
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const double altitude)
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: m_geo(latitude, longitude, altitude),
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m_eci(DateTime(), m_geo)
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{
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}
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/**
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* Constructor
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* @param[in] geo the observers position
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*/
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Observer(const CoordGeodetic &geo)
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: m_geo(geo),
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m_eci(DateTime(), geo)
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{
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}
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/**
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* Destructor
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*/
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virtual ~Observer()
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{
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}
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/**
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* Set the observers location
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* @param[in] geo the observers position
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*/
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void SetLocation(const CoordGeodetic& geo)
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{
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m_geo = geo;
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m_eci.Update(m_eci.GetDateTime(), m_geo);
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}
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/**
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* Get the observers location
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* @returns the observers position
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*/
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CoordGeodetic GetLocation() const
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{
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return m_geo;
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}
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/**
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* Get the look angle for the observers position to the object
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* @param[in] eci the object to find the look angle to
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* @returns the lookup angle
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*/
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CoordTopographic GetLookAngle(const Eci &eci);
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private:
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/**
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* @param[in] dt the date to update the observers position for
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*/
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void Update(const DateTime &dt)
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{
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if (m_eci != dt)
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{
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m_eci.Update(dt, m_geo);
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}
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}
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/** the observers position */
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CoordGeodetic m_geo;
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/** the observers Eci for a particular time */
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Eci m_eci;
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};
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#endif
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